Compounds for treating cancer and other diseases

This application is a continuation of Ser. No. 13/259,480, filed Sep. 23, 2011, which is a national stage of PCT/US2011/044233, filed Jul. 15, 2011, which is a continuation-in-part of International App'l No. PCT/US/2010/0042240, filed Jul. 16, 2010, and continuation-in-part of U.S. Ser. No. 12/856,322, filed Aug. 13, 2010. The entire contents of these preceding applications are hereby incorporated by reference into this application.

This invention provides compounds, compositions, extracts and methods for inhibiting cancer invasion, cell invasion, or cancer cell invasion.

This invention provides methods of synthesizing new compounds for pharmaceutical uses. This invention provides methods, compounds and compositions for treating cancer, inhibiting cancer invasion, cell invasion, or cancer cell invasion, wherein the cancers comprise breast, leukocytic, liver, ovarian, bladder, prostatic, skin, bone, brain, leukemia, lung, colon, CNS, melanoma, renal, cervical, esophageal, testicular, spleenic, kidney, lymphatic, pancreatic, stomach and thyroid cancers

This invention provides methods of synthesizing new compounds for pharmaceutical uses. This invention provides compounds, compositions, and methods for treating cancer, inhibiting cancer invasion, cell invasion, cancer cell invasion, and metastasis. This invention provides a use of compounds, compositions, for manufacturing medicament for treating cancer, inhibiting cancer invasion, and metastasis. This invention provides compounds for use as mediator or inhibitor of adhesion protein or angiopoietin, This invention provides compounds for use in a method of modulating attachment or adhesion of cells or angiogenesis, by modulating or inhibiting adhesion protein or angiopoietin, The compounds comprise the structures selected from the formulae in the present application, wherein the compounds are synthesized or isolated, wherein the compounds comprise the saponins, triterpenes, pentacyclic triterpenes, and compounds selected from formulae in the present application, wherein the cancers comprise breast, leukocytic, liver, ovarian, bladder, prostatic, skin, bone, brain, leukemia, lung, colon, CNS, melanoma, renal, cervical, esophageal, testicular, spleenic, kidney, lymphatic, pancreatic, stomach and thyroid cancers. This invention provides compounds for use as a mediator for cell circulating, cell moving and inflammatory diseases.

FIG. 1 HPLC profiles of esterification products of E4A with Tigloyl chloride (A) from different times of esterification reaction. Reaction products obtained from each time of reaction (5 sec, 1 min, 2 min, 5 min, and 10 min) were fractionated by HPLC. The profile is plotted according to HPLC elution time and optical density of fractions. Reaction was performed at Room temperature (Top row) and 0 C (bottom row).

FIG. 2 HPLC profiles of esterification products of E4A with 3,3-dimethylacryloly chloride (B) from different times of esterification reaction. Reaction products obtained from each time of reaction (5 sec, 1 min, 2 min, 5 min, and 10 min) were fractionated by HPLC. The profile is plotted according to HPLC elution time and optical density of fractions. Reaction was performed at Room temperature (Top row) and 0 C (bottom row).

FIG. 3 HPLC profiles of esterification products of E4A with 4-Pentenoyl chloride (C) from different times of esterification reaction. Reaction products obtained from each time of reaction (5 sec, 1 min, 2 min, 5 min, and 10 min) were fractionated by HPLC. The profile is plotted according to HPLC elution time and optical density of fractions. Reaction was performed at Room temperature.

FIG. 4 HPLC profiles of esterification products of E4A with Hexanoly chloride (D) from different times of esterification reaction. Reaction products obtained from each time of reaction (5 sec, 1 min, 2 min, and 10 min) were fractionated by HPLC. The profile is plotted according to HPLC elution time and optical density of fractions. Reaction was performed at 0 C (Top row); and shows the results of HPLC profiles of esterification products of E4A with 2-ethylbutyryl chloride (E) from different times of esterification reaction. Reaction products obtained from each time of reaction (5 sec, 1 min, 2 min, and 10 min) were fractionated by HPLC. The profile is plotted according to HPLC elution time and optical density of fractions. Reaction was performed at 0 C. (bottom row)

FIG. 5 HPLC profiles of esterification products of E4A with Acetyl chloride (H) from different times of esterification reaction. Reaction products obtained from each time of reaction (1 min, 2 min, 5 min and 10 min) were fractionated by HPLC. The profile is plotted according to HPLC elution time and optical density of fractions. Reaction was performed at Room temperature.

FIG. 6 HPLC profiles of esterification products of E4A with Crotonoyl chloride (I) from different times of esterification reaction. Reaction products obtained from each time of reaction (5 sec, 1 min, 2 min, 5 min and 10 min) were fractionated by HPLC. The profile is plotted according to HPLC elution time and optical density of fractions. Reaction was performed at Room temperature.

FIG. 7 HPLC profiles of esterification products of E4A with Cinnamoyl chloride (J) from different times of esterification reaction. Reaction products obtained from each time of reaction (1 min, 1 hour, 2 hours, 18 hours, 18 hours (heat)) were fractionated by HPLC. The profile is plotted according to HPLC elution time and optical density of fractions. Reaction was performed at Room temperature and 75 C.

FIG. 8 HPLC profiles of esterification products of E4A with Benzoyl chloride (K) from different times of esterification reaction. Reaction products obtained from each time of reaction (5 sec, 1 min, 2 min, 5 min, and 10 min) were fractionated by HPLC. The profile is plotted according to HPLC elution time and optical density of fractions. Reaction was performed at 0 C.

FIG. 9 MTT cytotoxic activity of times study at room temperature for A: E4A-Tigloyl; B: E4A-3,3-dimethylacryloly; C: E4A-4-pentenoyl.

FIG. 10 MTT cytotoxic activity of times study at 0 C for A: E4A-Tigloyl; B: E4A-3,3-dimethylacryloly; C: E4A-4-pentenoyl.

FIG. 11 MTT cytotoxic activity of times study for J: E4A-cinnamoyl; D: E4A-hexanoyl; E: E4A-2-ethylbutyryl; and controls: Tig control is tigloyl chloride without E4A; AC control is acetyl chloride without E4A; H is acetyl chloride with E4A reaction 1 min.

FIG. 12 MTT cytotoxic activity of times study for H: E4A-acetyl; I: E4A-crotonoyl

FIG. 13 MTT cytotoxic activity of times study for E4A-Tig in 1 min, 15 min, 30 min, 1 hour, 2 hours

FIG. 14 HPLC profiles of E4A-Tig in 1 min and 2 hours

FIG. 15 MTT cytotoxic activity of times study for E4A-Tig. Results: E4A-Tigs from reaction of 5 sec to 1 min are most active. Activity decrease after 1 min of reaction. Minimum to no activity was obtained at 10 minutes or longer.

FIG. 16 Results of HPLC profiles of E4A-Tigs: E4A, E4A-ASAP (5 sec), E4A-1 min, E4A-2 min, E4A-5 min, E4A-10 min, E4A-30 min.

FIG. 17 Results of Activity order: M, N, O, P, Q, R, S, T, E4A; M=E4A has no activity.

FIG. 18 Results of MTT cytotoxic activity of E4A-Tig-R in Cancer cells of different organs: A, Bone (U2OS) IC50=4.5 ug/ml; B, Bladder (TB9): IC50=2.5 ug/ml; C, Lung (H460): IC50=4.8 ug/ml; D, Ovary (ES2): IC50=2.8 ug/ml

FIG. 19 Results of MTT cytotoxic activity of E4A-Tig-R in Cancer cells of different organs: E, Colon (HCT116) IC50=5.2 ug/ml; F, Pancreas (Capan) IC50=2.4 ug/ml; G, Ovary (OVCAR3) IC50=5.8 ug/ml; H, Breast (MCF-7) IC50=4.5 ug/ml

FIG. 20 Results of MTT cytotoxic activity of E4A-Tig-R in Cancer cells of different organs: I, Prostate (DU145) IC50=3.6 ug/ml; J, Skin (SK-MeI-5) IC 50=5.1 ug/ml; K, Mouth (KB) IC 50=3 ug/ml; L, Kidney (A498) IC 50=3.5 ug/ml

FIG. 21 Results of MTT cytotoxic activity of E4A-Tig-R in Cancer cells of different organs: M, Liver (HepG2) IC50=6 ug/ml; N, Brain (T98G) IC50=8 ug/ml; P, Leukemia (K562) IC 50=2 ug/ml; Q, Cervix (HeLa) IC 50=5 ug/ml

FIG. 22 (A) Results: Tig-N, -Q, -R, -T-S and -V do not have hemolytic activity up to 20 ug/ml. The original compound ES lyse 100% red blood cells (RBC) at 5 ug/ml. (B) Results: compare to Y3, the ACH-Y3 is less potent in hemolytic activity. Tig-R has no hemolytic activity

FIG. 23 (A) Results of HPLC profiles of reaction products. Multiple fractions were obtained. Individual fractions were collected for further studies.

(B) Results of purification of E4A-Tig-R.

FIG. 24 Results of MTT assay of E4A-Tig-R with bone U2OS cell

FIG. 25 Results of HNMR of E4A-Tig-R.

FIG. 26 Results of CNMR of E4A-Tig-R.

FIG. 27 Results of HMQC of E4A-Tig-R.

FIG. 28 Results of HMBC of E4A-Tig-R.

FIG. 29 The Mass spectrum of Tig-R (M+H) is 671.4509. The mass is consistent with the proposed structure

FIG. 30 The Chemical Structure of E4A-Tig-R, 24,28-O-Tigloyl-3β,16α,21β,22α,24β,28-hexahydroxyolean-12-ene, Formular:C40H62O8, FW: 670.91548

FIG. 31 (A) Results of HPLC profiles of reaction products. Multiple fractions were obtained. Individual fractions were collected for further studies.

(B) Results of purification of E4A-Tig-N. (C) Results of purification of E4A-Tig-S; (D) Results of purification of E4A-Tig-T.

FIG. 32 (A) Results of MTT assay of E4A-Tig-N with bone U2OS cell; (B) Results of MTT assay of E4A-Tig-S with bone U2OS cell

FIG. 33 (A) Results of MTT assay of E4A-Tig-T with bone U2OS cell; (B) shows the results of MTT assay of E4A-Tig-V with bone Ovary ES2 cell. IC50=2 ug/ml; (C) shows the results of purification of E4A-Tig-V.

FIG. 34 Results of HNMR of E4A-Tig-V.

FIG. 35 Results of HMQC of E4A-Tig-V.

FIG. 36 Results of HMBC of E4A-Tig-V.

FIG. 37 Results of Mass Spectrum of E4A-Tig-V. The Tig-R (M+H) mass is 753.4924 which is consistent with the proposed formula (C45H68O9).

This invention provides a method of synthesising new active compounds for pharmaceutical uses. This invention provides an anti adhesion therapy which uses the compound as a mediator or inhibitor of adhesion proteins and angiopoietins. It inhibits excess adhesion and inhibits cell attachment. It modulates angiogenesis. The compounds also use as mediator of cell adhesion receptor.

This invention provides compounds or a composition comprising the compounds provided in the invention for treating cancers; for inhibiting cancer growth, for inhibiting viruses; for preventing cerebral aging; for improving memory; improving cerebral functions; for curing enuresis, frequent micturition, urinary incontinence; dementia, Alzheimer's disease, autism, brain trauma, Parkinson's disease or other diseases caused by cerebral dysfunctions; for treating arthritis, rheumatism, poor circulation, arteriosclerosis, Raynaud's syndrome, angina pectoris, cardiac disorder, coronary heart disease, headache, dizziness, kidney disorder; cerebrovascular disease; inhibiting NF-Kappa B activation; for treating brain edema, severe acute respiratory syndrome, respiratory viral diseases, chronic venous insufficiency, hypertension, chronic venous disease, oedema, inflammation, hemonhoids, peripheral edema formation, varicose vein disease, flu, post traumatic edema and postoperative swelling; for inhibiting blood clots, for inhibiting ethanol absorption; for lowering blood sugar; for regulating adrenocorticotropin and corticosterone levels. This invention provides a composition for AntiMS, antianeurysm, antiasthmatic, anti-oedematous, anti-inflammatory, antibradykinic, anticapillarihemorrhagic, anticephalagic, anticervicobrachialgic, antieclamptic, antiedemic, antiencaphalitic, antiepiglottitic, antiexudative, antiflu, antifracture, antigingivitic, antihematomic, antiherpetic, antihistaminic, antihydrathritic, antimeningitic, antioxidant, antiperiodontic, antiphlebitic, antipleuritic, antiraucedo, antirhinitic, antitonsilitic, antiulcer, antivaricose, antivertiginous, cancerostatic, corticosterogenic, diuretic, fungicide, hemolytic, hyaluronidase inhibitor, lymphagogue, natriuretic, pesticide, pituitary stimulant, thymolytic, vasoprotective, inhibiting leishmaniases, modulating adhesion or angiogenesis of cancer cells, antiparasitic; increase the expression of the genes: ANGPT2, DDIT3, LIF and NFKB1Z, and manufacturing an adjuvant composition and venotonic treatment.

This invention provides compounds, compositions and methods for treating cancer diseases, inhibiting cancer invasion, for inhibiting cancer growth or for inhibiting cancer metastasis, wherein the compounds comprise the structures selected from the formulae of the present application, wherein the compounds can be synthesized or isolated, wherein the compounds comprise the triterpenes, pentacyclic triterpenes, saponins, and compounds selected from formulae in this application, wherein the cancers comprise breast cancer, leukocytic cancer, liver cancer, ovarian cancer, bladder cancer, prostatic cancer, skin cancer, bone cancer, brain cancer, leukemia cancer, lung cancer, colon cancer, CNS cancer, melanoma cancer, renal cancer, cervical cancer, esophageal cancer, testicular cancer, spleenic cancer, kidney cancer, lymphatic cancer, pancreatic cancer, stomach cancer and thyroid cancer; wherein the cells comprise breast cell, leukocytic cell, liver cell, ovarian cell, bladder cell, prostatic cell, skin cell, bone cell, brain cell, leukemia cell, lung cell, colon cell, CNS cell, melanoma cell, renal cell, cervical cell, esophageal cell, testicular cell, spleenic cell, kidney cell, lymphatic cell, pancreatic cell, stomach cell and thyroid cell.

This invention shows that the presence of Tigloyl, angeloyl, Acetyl, Crotonoyl, 3,3-Dimethylartyloyl, senecioyl, Cinnamoyl, Pentenoyl, Hexanoyl, benzoyl, Ethylbutyryl, dibenzoyl, alkanoyl, alkenoyl, benzoyl alkyl substituted alkanoyl, alkanoyl substituted phenyl, alkenoyl substituted phenyl, aryl, acyl, heterocylic, heteroraryl, sugar moiety, or sugar moiety substituted with diangeloyl groups, at a pentacyclic triterpene, triterpene, triterpeniod, triterpeniod saponin or compound selected from formulae of the present application, produces inhibition of cancer growth, cancer invasion, cells invasion, cancer cell invasion, cell adhesion, cell circulation or cell attachment.

This invention shows that the presence of Tigloyl, angeloyl, Acetyl, Crotonoyl, 3,3-Dimethylartyloyl, senecioyl, Cinnamoyl, Pentenoyl, Hexanoyl, benzoyl, Ethylbutyryl, dibenzoyl, alkanoyl, alkenoyl, benzoyl alkyl substituted alkanoyl, alkanoyl substituted phenyl, alkenoyl substituted phenyl, aryl, acyl, heterocylic, heteroraryl, sugar moiety, or sugar moiety substituted with diangeloyl groups, at carbon position 21, 22, 24 and/or 28 of a pentacyclic triterpene, triterpene, triterpeniod, triterpeniod saponin or compound selected from formulae of the present application, produces inhibition of cancer growth, cancer invasion, cells invasion or cancer cell invasion. In an embodiment, the presence of group(s) selected from Tigloyl, angeloyl, Acetyl, Crotonoyl, 3,3-Dimethylartyloyl, senecioyl, Cinnamoyl, Pentenoyl, Hexanoyl, benzoyl, Ethylbutyryl, dibenzoyl, alkanoyl, alkenoyl, benzoyl alkyl substituted alkanoyl, alkanoyl substituted phenyl, alkenoyl substituted phenyl, aryl, acyl, heterocylic, heteroraryl, and sugar moiety, at carbon position 3, 8, 15, 21, 22, 24 and/or 28 of a triterpene, triterpeniod, triterpeniod saponin or compound selected from formulae of the present application produces activities including inhibition of cancer growth, cancer invasion, cells invasion, cancer cell invasion, cell adhesion, cell attachment or cell circulating. In embodiment, the presence of group at carbon position 24, produces activities. In embodiment, the presence of group at carbon position 24 and 28 produces activities. In embodiment, the presence of group at carbon position 24 and 21 produces activities. In embodiment, the presence of group at carbon position 24, 28 and 21, produces activities. In embodiment, the presence of group at carbon position 24, 28 and 22 produces activities. In embodiment, the presence of group at carbon position 24, 28 and 3 produces activities. In embodiment, the presence of group at carbon position 24, and 3 produces activities. In embodiment, the presence of group at carbon position 28 and 3 produces activities. In embodiment, the presence of group at carbon position 3 produces activities. In embodiment, the presence of group at carbon position 21 and 22 produces activities. This invention shows a method of synthesizing active compound by attaching functional group to a core compound, wherein the functional group(s) is/are selected from tigloyl, angeloyl, acetyl, crotonoyl, 3,3-Dimethylartyloyl, senecioyl, cinnamoyl, pentenoyl, hexanoyl, benzoyl, ethylbutyryl, dibenzoyl, alkanoyl, alkenoyl, benzoyl alkyl substituted alkanoyl, alkanoyl substituted phenyl, alkenoyl substituted phenyl, aryl, acyl, heterocylic, and heteroraryl, wherein the core compound is a 5 ring triterpene. In embodiment, the core compound is a 4 ring terpene. In embodiment, the core compound is a 3 ring terpene. In embodiment, the core compound is a 2 ring terpene. In embodiment, the core compound is a 1 ring terpene. The compounds provided in the invention are for treating cancers, inhibition of cancer growth, cancer invasion, cells invasion, cancer cell invasion; cell adhesion, cell attachment, cell circulating; for inhibiting viruses; for preventing cerebral aging; for improving memory; improving cerebral functions; for curing enuresis, frequent micturition, urinary incontinence; dementia, Alzheimer's disease, autism, brain trauma, Parkinson's disease or other diseases caused by cerebral dysfunctions; for treating arthritis, rheumatism, poor circulation, arteriosclerosis, Raynaud's syndrome, angina pectoris, cardiac disorder, coronary heart disease, headache, dizziness, kidney disorder; cerebrovascular diseasea; inhibiting NF-Kappa B activation; for treating brain edema, severe acute respiratory syndrome, respiratory viral diseases, chronic venous insufficiency, hypertension, chronic venous disease, oedema, inflammation, hemonhoids, peripheral edema formation, varicose vein disease, flu, post traumatic edema and postoperative swelling; for inhibiting blood clots, for inhibiting ethanol absorption; for lowering blood sugar; for regulating adrenocorticotropin and corticosterone levels. This invention provides a composition for AntiMS, antianeurysm, antiasthmatic, anti-oedematous, anti-inflammatory, antibradykinic, anticapillarihemorrhagic, anticephalagic, anticervicobrachialgic, antieclamptic, antiedemic, antiencaphalitic, antiepiglottitic, antiexudative, antiflu, antifracture, antigingivitic, antihematomic, antiherpetic, antihistaminic, antihydrathritic, antimeningitic, antioxidant, antiperiodontic, antiphlebitic, antipleuritic, antiraucedo, antirhinitic, antitonsilitic, antiulcer, antivaricose, antivertiginous, cancerostatic, corticosterogenic, diuretic, fungicide, hemolytic, hyaluronidase inhibitor, lymphagogue, natriuretic, pesticide, pituitary stimulant, thymolytic, vasoprotective, inhibiting leishmaniases, modulating adhesion or angiogenesis of cells, antiparasitic; increase the expression of the genes: ANGPT2, DDIT3, LIF and NFKB1Z, and manufacturing an adjuvant composition and venotonic treatment.

Experiments presented in this invention showed that the compound AKOH has no effect in inhibiting cancer growth, cancer invasion, cells invasion or cancer cell invasion. AKOH was obtained by removing the angeloyl groups from carbon positions 21 and 22 of the active Xanifolia Y(Y3). This invention shows that the ability for inhibiting cancer invasion, cells invasion or cancer cell invasion of Xanifolia Y(Y3) are lost by removing angeloyl groups from carbon positions 21 and 22.

Experiments presented in this invention showed that the core compound including E4A, E5A, Xanifolia Y-core have no effect in inhibiting cancer growth, cancer invasion, cells invasion or cancer cell invasion. Xanifolia Y-core was obtained by removing the angeloyl groups from carbon positions 21 and 22, and the sugar moieties from carbon 3 of the active Xanifolia Y(Y3). E4A (E IV A) was obtained by removing the groups from carbon positions 3, 21 and 22 of the active Escin. E5A (E V A) was obtained by removing the groups from carbon positions 3, 21 and 22 of the active Escin.

This invention showed that the core compound including E4A, E5A, Xanifolia Y-core and AKOH have no hemolytic activity and anti cancer activity.

This invention showed that Tig-N, Tig-Q, Tig-R, Tig-T Tig-S and Tig-V do not have hemolytic activity up to 20 ug/ml. The original compound ES lyse 100% red blood cells (RBC) at 5 ug/ml. Compare to Y3, the ACH-Y3 is less potent in hemolytic activity. Tig-R has no hemolytic activity. This invention showed that Tig-N, Tig-Q, Tig-R, Tig-T Tig-S and Tig-V have anti cancer activities.

This invention shows that the ability for inhibiting cancer growth, cancer invasion, cells invasion or cancer cell invasion are maintained when the sugar moieties are removed from carbon position 3 of an active compound, triterpene, triterpeniod, or triterpeniod saponin. Experiments presented in this invention showed that the compound ACH-Y3 has the ability to inhibit cancer invasion, cells invasion or cancer cell invasion. The compound ACH-Y3 was obtained by removing the sugar moieties from carbon position 3 of a active Xanifolia Y(Y3). This invention shows that the ability for inhibiting cancer invasion, cells invasion or cancer cell invasion are maintained when the sugar moieties are removed from the carbon position 3 of active Xanifolia Y(Y3).

A compound which has bio-activities including inhibiting cancer growth, inhibiting cancer invasion, cells invasion or cancer cell invasion is called active compound.

This invention provides a use for compounds, compositions, and methods for manufacturing medicament for treating cancers, inhibition of cancer growth, cancer invasion, cells invasion, cancer cell invasion; cell adhesion, cell attachment, cell circulating, or for inhibiting cancer metastasis, wherein the compounds comprise the structures selected from the formulae of the present application, wherein the compounds can be synthesized or isolated, wherein the compounds comprise the pentacyclic triterpenes, wherein the cells comprise cancer cells, wherein the cancers comprise breast cancer, leukocytic cancer, liver cancer, ovarian cancer, bladder cancer, prostatic cancer, skin cancer, bone cancer, brain cancer, leukemia cancer, lung cancer, colon cancer, CNS cancer, melanoma cancer, renal cancer, cervical cancer, esophageal cancer, testicular cancer, spleenic cancer, kidney cancer, lymphatic cancer, pancreatic cancer, stomach cancer and thyroid cancer. The method of inhibiting cancer invasion, cells invasion or cancer cell invasion activities uses non-cytotoxic drug concentrations. The method of inhibiting metastasis uses non-cytotoxic drug concentrations. There is no noticeable change in cell morphology.

This invention provides methods for treating cancers, inhibition of cancer growth, cancer invasion, cells invasion, cancer cell invasion; cell adhesion, cell attachment, cell circulating, migration, metastasis or growth of cancers, wherein the methods comprise affecting gene expression, wherein the methods comprise stimulating gene expression, or wherein the methods comprise inhibiting the gene expression, or wherein the methods comprise administering to a subject an effective amount of compounds, compositions in this application. In an embodiment, the method comprises contacting said cell with a compound selected from A1-18, A20-32, B1-18, B20-32, C1-18, C20-32, D1-18, D20-32, D1-18, D20-32, D1-18, D20-32, D1-18, D20-32, D1-18, D20-32, E1-18, E20-32, G1-18, G20-32, H1-18, H20-32, I1-18, I20-32, J1-18, J20-32, K1-18, K20-32, Xanifolia Y0, Y1, Y2, Y(Y3), Y5, Y7, Y8, Y9, Y10, Xanifolia (x), M10, Escin (bES), Aescin, ACH-Y(Y3), ACH-Y10, ACH-Y2, ACH-Y8, ACH-Y7, ACH-Y0, ACH-X, ACH-Z4, ACH-Z1, ACH-Escin (bES), ACH-M10 and a salt, ester, metabolite thereof, and the compounds selected from formulae 2A, and K.

In vitro studies show that a compound selected from structure (2A) or (K) inhibits cell adhesion to culture flasks. The compound blocks the function of these adhesive molecules on cells. In an embodiment, the selected compound blocks the function of these adhesive molecules on cells. In an embodiment, the selected compound blocks the function of these adhesive molecules on carcinoma cells. In an embodiment, the selected compound blocks the function of these adhesive molecules on the mesothelial cells. This invention provides an anti adhesion therapy which uses the compound as a mediator or inhibitor of adhesion proteins and angiopoietins. It inhibits excess adhesion and inhibits cell attachment. This invention provides compounds for use as a mediator for cell circulating, cell moving and inflammatory diseases. In an embodiment, the selected compound binds to the adhesive proteins (by masking) on the membrane and inhibits the interaction of adhesion proteins with their receptors. In an embodiment, the selected compound's action on the membrane affects adhesion proteins' function in the membrane. The lost of adhesion activity of cancer cells is result from direct or indirect action of the selected compound on membrane proteins.

(Our purification methods and biological assays include the MTT assay in International Application No. PCT/US05/31900, filed Sep. 7, 2005, U.S. Ser. No. 11/289,142, filed Nov. 28, 2005, and U.S. Ser. No. 11/131,551, filed May 17, 2005, and PCT/US2008/002086, 1188-ALA-PCT, filed Feb. 15, 2008, the cell invasion experiments methods in International Application PCT/US2010/0042240, filed Jul. 16, 2010, the contents of which are incorporated herein by reference)

This invention provides a use of compounds or methods for inhibiting cancer invasion, cell invasion, cancer cell invasion, migration, metastasis or growth of cancers, wherein this invention comprises a process and method for administration of the composition, wherein administration is by intravenous injection, intravenous drip, intraperitoneal injection or oral administration; wherein administration is by intravenous drip: 0.003-0.03 mg/kg body weight of compound dissolved in 250 ml of 10% glucose solution or in 250 ml of 0.9% NaCl solution, or by intravenous injection: 0.003-0.03 mg/kg body weight per day of compound dissolved in 10-20 ml of 10% glucose solution or of 0.9% NaCl solution, or 0.01-0.03 mg/kg body weight of compound dissolved in 250 ml of 10% glucose solution or in 250 ml of 0.9% NaCl solution, or by intravenous injection: 0.01-0.03 mg/kg body weight per day of compound dissolved in 10-20 ml of 10% glucose solution or of 0.9% NaCl solution, or 0.01-0.05 mg/kg body weight of compound dissolved in 250 ml of 10% glucose solution or in 250 ml of 0.9% NaCl solution, or by intravenous injection: 0.01-0.05 mg/kg body weight per day of compound dissolved in 10-20 ml of 10% glucose solution or of 0.9% NaCl solution, or 0.05-0.2 mg/kg body weight of compound dissolved in 250 ml of 10% glucose solution or in 250 ml of 0.9% NaCl solution, or by intravenous injection: 0.05-0.2 mg/kg body weight per day of compound dissolved in 10-20 ml of 10% glucose solution or of 0.9% NaCl solution, or by intravenous drip: 0.1-0.2 mg/kg body weight per day of compound dissolved in 250 ml of 10% glucose solution or in 250 ml of 0.9% NaCl solution, or by intravenous injection: 0.1-0.2 mg/kg body weight per day compound dissolved in 10-20 ml of 10% glucose solution or of 0.9% NaCl solution, or by intraperitoneal injection (I.P.): 2.5 mg/kg body weight per day compound dissolved in 10% glucose solution or of 0.9% NaCl solution, or by oral administration wherein the dosage of mammal is 1-10 mg/kg, 10-30 mg/kg, 30-60 mg/kg, or 60-90 mg/kg body weight of compound, or by intravenous injection or intravenous drip wherein the dosage of mammal is 0.01-0.1 mg/kg body weight, 0.1-0.2 mg/kg, 0.2-0.4 mg/kg body weight, or 0.4-0.6 mg/kg body weight of compound, or by intraperitoneal injection (I.P.) wherein the dosage of mammal is 1-3 mg/kg, 3-5 mg/kg, 4-6 mg/kg, or 6-10 mg/kg body weight of compound.

This invention provides a use of compounds or methods for treating cancers, inhibition of cancer growth, cancer invasion, cells invasion, cancer cell invasion; cell adhesion, cell attachment, cell circulating, migration, metastasis or growth of cancers, wherein the invention comprises a pharmaceutical composition comprising the compound of this invention or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier or diluent, wherein said compound is present in a concentration of 0.01 ug/ml to 65 ug/ml, or wherein said compound is present in a concentration of 0.01 ug/ml to 40 ug/ml, or wherein said compound is present in a concentration of 0.01 ug/ml to 30 ug/ml, or wherein said compound is present in a concentration of 0.01 ug/ml to 10 ug/ml, or wherein said compound is present in a concentration of 0.01 ug/ml to 5 ug/ml, or wherein said compound is present in a concentration of 5 ug/ml to 10 ug/ml, or wherein said compound is present in a concentration of 0.1 ug/ml to 5 ug/ml, or wherein said compound is present in a concentration of 0.1 ug/ml to 7.5 ug/ml, or wherein said compound is present in a concentration of 0.1 ug/ml to 10 ug/ml, or wherein said compound is present in a concentration of 0.1 ug/ml to 15 ug/ml, or wherein said compound is present in a concentration of 0.1 ug/ml to 20 ug/ml, or wherein said compound is present in a concentration of 0.1 ug/ml to 30 ug/ml, or wherein said compound is present in a concentration of 1 ug/ml to 5 ug/ml, or wherein said compound is present in a concentration of 1 ug/ml to 7.5 ug/ml, or wherein said compound is present in a concentration of 1 ug/ml to 10 ug/ml, or wherein said compound is present in a concentration of 1 ug/ml to 15 ug/ml, or wherein said compound is present in a concentration of 1 ug/ml to 20 ug/ml, or wherein said compound is present in a concentration of 1 ug/ml to 30 ug/ml, or wherein said compound is present in a concentration of 3 ug/ml to 5 ug/ml, or wherein said compound is present in a concentration of 3 ug/ml to 7.5 ug/ml, or wherein said compound is present in a concentration of 3 ug/ml to 10 ug/ml, or wherein said compound is present in a concentration of 3 ug/ml to 15 ug/ml, or wherein said compound is present in a concentration of 3 ug/ml to 20 ug/ml, or wherein said compound is present in a concentration of 3 ug/ml to 30 ug/ml, or wherein said compound is present in a concentration of 4 ug/ml to 5 ug/ml, or wherein said compound is present in a concentration of 4 ug/ml to 7.5 ug/ml, or wherein said compound is present in a concentration of 4 ug/ml to 10 ug/ml, or wherein said compound is present in a concentration of 4 ug/ml to 15 ug/ml, or wherein said compound is present in a concentration of 4 ug/ml to 20 ug/ml, or wherein said compound is present in a concentration of 4 ug/ml to 30 ug/ml, or wherein said compound is present in a concentration of 5 ug/ml to 8 ug/ml, or wherein said compound is present in a concentration of 5 ug/ml to 9 ug/ml, or wherein said compound is present in a concentration of 5 ug/ml to 10 ug/ml, or wherein said compound is present in a concentration of 5 ug/ml to 15 ug/ml, or wherein said compound is present in a concentration of 5 ug/ml to 20 ug/ml, or wherein said compound is present in a concentration of 5 ug/ml to 30 ug/ml, or wherein said compound is present in a concentration of 7 ug/ml to 8 ug/ml, or wherein said compound is present in a concentration of 7 ug/ml to 9 ug/ml, or wherein said compound is present in a concentration of 7 ug/ml to 10 ug/ml, or wherein said compound is present in a concentration of 7 ug/ml to 15 ug/ml, or wherein said compound is present in a concentration of 7 ug/ml to 20 ug/ml, or wherein said compound is present in a concentration of 7 ug/ml to 30 ug/ml.

This invention provides a use of compounds or methods for treating cancers, inhibition of cancer growth, cancer invasion, cells invasion, cancer cell invasion; cell adhesion, cell attachment, cell circulating, migration, metastasis or growth of cancers, wherein the invention comprises a pharmaceutical composition comprising the compound of this invention or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier or diluent, wherein said compound is present in a concentration of 0.008 uM to 80 uM, or wherein said compound is present in a concentration of 0.01 uM to 60 uM, or wherein said compound is present in a concentration of 0.01 uM to 50 uM, or wherein said compound is present in a concentration of 0.01 uM to 40 uM, or wherein said compound is present in a concentration of 0.01 uM to 30 uM, or wherein said compound is present in a concentration of 0.01 uM to 20 uM, or wherein said compound is present in a concentration of 0.01 uM to 10 uM, or wherein said compound is present in a concentration of 5 uM to 10 uM, or wherein said compound is present in a concentration of 0.1 uM to 5 uM, or wherein said compound is present in a concentration of 0.1 uM to 7.5 uM, or wherein said compound is present in a concentration of 0.1 uM to 10 uM, or wherein said compound is present in a concentration of 0.1 uM to 15 uM, or wherein said compound is present in a concentration of 0.1 uM to 20 uM, or wherein said compound is present in a concentration of 0.1 uM to 30 uM or wherein said compound is present in a concentration of 0.1 uM to 40 uM, or wherein said compound is present in a concentration of 0.1 uM to 50 uM or wherein said compound is present in a concentration of 0.1 uM to 60 uM, or wherein said compound is present in a concentration of 0.1 uM to 80 uM, or wherein said compound is present in a concentration of 1 uM to 5 uM, or wherein said compound is present in a concentration of 1 uM to 7.5 uM, or wherein said compound is present in a concentration of 1 uM to 10 uM, or wherein said compound is present in a concentration of 1 uM to 15 uM, or wherein said compound is present in a concentration of 1 uM to 20 uM, or wherein said compound is present in a concentration of 1 uM to 30 uM or wherein said compound is present in a concentration of 1 uM to 40 uM, or wherein said compound is present in a concentration of 1 uM to 50 uM or wherein said compound is present in a concentration of 1 uM to 60 uM, or wherein said compound is present in a concentration of 1 uM to 80 uM, or wherein said compound is present in a concentration of 3 uM to 5 uM, or wherein said compound is present in a concentration of 3 uM to 7.5 uM, or wherein said compound is present in a concentration of 3 uM to 10 uM, or wherein said compound is present in a concentration of 3 uM to 15 uM, or wherein said compound is present in a concentration of 3 uM to 20 uM, or wherein said compound is present in a concentration of 3 uM to 30 uM or wherein said compound is present in a concentration of 3 uM to 40 uM, or wherein said compound is present in a concentration of 3 uM to 50 uM or wherein said compound is present in a concentration of 3 uM to 60 uM, or wherein said compound is present in a concentration of 3 uM to 80 uM, or wherein said compound is present in a concentration of 5 uM to 8 uM, or wherein said compound is present in a concentration of 5 uM to 10 uM, or wherein said compound is present in a concentration of 5 uM to 15 uM, or wherein said compound is present in a concentration of 5 uM to 20 uM, or wherein said compound is present in a concentration of 5 uM to 30 uM or wherein said compound is present in a concentration of 5 uM to 40 uM, or wherein said compound is present in a concentration of 5 uM to 50 uM or wherein said compound is present in a concentration of 5 uM to 60 uM, or wherein said compound is present in a concentration of 5 uM to 80 uM. or wherein said compound is present in a concentration of 7 uM to 8 uM, or wherein said compound is present in a concentration of 7 uM to 10 uM, or wherein said compound is present in a concentration of 7 uM to 15 uM, or wherein said compound is present in a concentration of 7 uM to 20 uM, or wherein said compound is present in a concentration of 7 uM to 30 uM or wherein said compound is present in a concentration of 7 uM to 40 uM, or wherein said compound is present in a concentration of 7 uM to 50 uM or wherein said compound is present in a concentration of 7 uM to 60 uM, or wherein said compound is present in a concentration of 7 uM to 80 uM.

The invention will be better understood by reference to the Experimental Details which follow, but those skilled in the art will readily appreciate that the specific experiments detailed are only illustrative, and are not meant to limit the invention as described herein, which is defined by the claims which follow thereafter.

Throughout this application, various references or publications are cited. Disclosures of these references or publications in their entireties are hereby incorporated by reference into this application in order to more fully describe the state of the art to which this invention pertains.

It is to be noted that the transitional term “comprising”, which is synonymous with “including”, “containing” or “characterized by”, is inclusive or open-ended and does not exclude additional, un-recited elements or method steps.

Experiment details of herb extraction, analysis of extract components by HPLC, determination of the cell-growth activity effected by Xanifolia Y with cells derived from different human organs using MTT Assay, purification of the bioactive components from plant extract, fractionation of plant extracts with FPLC, isolation of component Ys with preparative HPLC, determination of the chemical structure, cell experiments and animal studying are disclosed in PCT/US05/31900, U.S. Ser. No. 11/289,142, U.S. Ser. No. 10/906,303, U.S. Ser. No. 11/131,551 and U.S. Ser. No. 11/683,198, filed on Mar. 7, 2007, PCT/US2007/077273, filed Aug. 30, 2007, U.S. Ser. No. 60/890,380, filed on Feb. 16, 2007, U.S. No. 60/947,705, filed on Jul. 3, 2007, PCT/US2008/002086, 1188-ALA-PCT, filed Feb. 15, 2008, App'l No. PCT/US09/34115, filed Feb. 13, 2009, the contents of which are incorporated herein by reference. Experiments 1-23 of PCT/US2008/002086, 1188-ALA-PCT, filed Feb. 15, 2008 are incorporated herein by reference.

Experiment 1

Removal of the Sugar Moiety from Saponin by Acid Hydrolysis

15 mg saponin was dissolved in 1 ml of Methanol. 1 ml of 2N HCl was then added. The mixture was refluxed in 80 C water bath for 5 hours. The solution was then neutralized by adding 2 ml of 1N NaOH (to final pH 4-6). The aglycone was then extracted with ethylacetate 3 ml×2. The extracts were collected and pooled. Further isolation of aglycone (sugar-removed saponin) was achieved by HPLC with isocratic elution of 80-100% acetonitrile.

Experiment 2

Removal of the Acyl Group by Alkaline Hydrolysis

Methods:

20 mg of saponin was dissolved in 0.5 ml of 1N NaOH. The solution was incubated in 80 C water bath for 4 hours. It was cooled to room temperature before neutralized with 0.5 ml 1N HCl (adjust pH to about 3). The mixture was extracted with 2 ml 1-butanol 3 times. The butanol fractions were collected and lyophilized. The hydrolyzed saponin with further purified with HPLC in a C-18 column eluted with 25% acetonitrile.

Experiment 3

Adding the Acyl Group to Triterpene by Esterification

Method: 40 mg of triterpene core (fraction IV) was dissolved in 1 ml pyridine in a 50 ml tube. Reaction is started by adding 0.2 ml of acyl chloride (Tigloyl chloride, angeloyl chloride, Acetyl chloride, Crotonoyl chloride, 3,3-Dimethylartyloyl chloride (senecioyl chloride), Cinnamoyl chloride, Pentenoyl chloride, Hexanoyl chloride, benzoyl chloride or Ethylbutyryl chloride). The mixture is stirred for 5 sec, 1 min, 2 min, 5 min, 10 min, 30 min, 1 hr, 2 hr, 18 hr, 2 days or 3 days at 0 C, 25 C or 75 C temperature. At the end of reaction, 5 ml of 2N HCl or 1M NaHCO3 is added to the reaction mixture. The solution is then extracted 3 times with 10 ml of ethyl acetate which is then evaporated under vacuum and at 45 C and lyophilization. The reaction product is dissolved in 80% acetonitrile-0.005% Trifluoroacetic acid or DMSO; and was separated with HPLC. Selecting the HPLC fractions for isolation is according to the cytotoxic activity of the reaction product obtained at a specific reaction time. The active esterification products are purified with HPLC. The reaction product of mixtures and individual compounds are tested with MTT cytotoxic assay. See examples FIGS. 1-12

Experiment 4

Preparation of E4A

1. Beta-Escin dissolved in 1M NaOH (20 mg/ml) was incubated at 70 C for 5 hours.

2. The hydrolyzed solution was neutralized with HCl and the water was evaporated by lyophilization.

3. The product was dissolved in 50% methanol and 1N HCl. The mixture was incubated at 70 C for 5 hours.

4. The solution was neutralized with NaOH.

5. The hydrolyzed product was extracted with ethylacetate, which was subsequently removed by evaporation.

6. Further purification of the hydrolyzed product (E4A) was archived with FPLC chromatography in a C18 column equilibrated with 70% acetonitrile/TFA at the flow rate of 1 ml/min.

Experiment 5

Esterification of E4A with Tigloyl Chloride

1. 50 mg of E4A in 1 ml pyridine, stir gently in a 50 ml tube. Esterification was carried out at 25 C by adding 200 ul Tigloyl chloride.

2. Stir for 1 minute; then immediately add 5 ml of 2N HCl.

3. Stir for 1 hour and sit at room-Temp over night.

4. Extract the esterification products with 10 ml ethylacetate.

5. Evaporate the ethylacetate.

6. Dissolve the sample with 1 ml DMSO.

7. Fractionate the reaction products with HPLC.

8. Collect samples.

Experiment 6

Isolation of E4A-Tig Active Compounds with HPLC

1. Column: ZORBAX ODS 9.4×250 mm, 5 um

2. Solvents: A: 45% AN/TFA; B: 100% AN/TFA

3. Chromatography conditions: a) Elution: Solvent A to B in 80 min; then with solvent B for 40 min; b) flow rate: 1 ml/mim. c) Monitor OD: at 207 nm;

Experiment 7

MTT Experiment

Cells.

HTB-9 (bladder), HeLa-S3 (cervix), DU145 (prostate), H460 (lung), MCF-7 (breast), K562 (leukemia), HCT116 (colon), HepG2 (liver), U2OS (bone), T98G (brain), SK-MEL-5 (Skin) and OVCAR 3, ES2 (ovary), Pancreas (Capan), Mouth (KB), Kidney (A498).

MTT Assay.

The procedure for MTT assay followed the method described by Carmichael et al. (1987) with modifications. The cells were seeded into a 96-well plate at for 24 hours before drug-treatment. The cells were then exposed to the drugs for 48, 72, or 96 hours. After the drug-treatment, MTT (0.5 mg/mL) was added to cultures and incubated for an hour. The formazan (product of the reduction of tetrazolium by viable cells) formed and was dissolved with DMSO and the O.D. at 490 nm, and was measured by an ELISA reader. The MTT level of the cells before drug-treatment was also measured (T0). The % cell-growth (% G) is calculated as: % G=(TD−T0/TC−T0)×100(1), where TC or TD represents O.D. readings of control or drug-treated cells. When T0>TD, then the cytotoxicity (LC) expressed as % of the control is calculated as: % LC=(TD−T0/T0)×100(2).

Experiment 8

Chemical Synthesis, Isolation and Characterization of E4A-Tig-R

Chemical synthesis of E4A-Tig-R: 1. Preparation of E4A; 2. Esterification of E4A with Tigloyl Chloride; 3. Isolation of E4A-Tig-R with HPLC

Cytotoxic activity determination: 1. MTT assay

Chemical structure determination: 1. NMR analysis; 2. Mass Spectrum analysis

See FIG. 23-30

See Table 1

Compound E4A-Tig-R

24,28-O-Tigloyl-3β,16α,21β,22α,24α,28-hexahydroxyolean-12-ene

Experiment 9

Chemical Synthesis, Isolation and Characterization of E4A-Tig-N

Chemical synthesis of E4A-Tig-R: 1. Preparation of E4A; 2. Esterification of E4A with Tigloyl Chloride; 3. Isolation of E4A-Tig-N with HPLC

Cytotoxic activity determination: 1. MTT assay

Chemical structure determination: 1. NMR analysis; 2. Mass Spectrum analysis

Experiment 10

Chemical Synthesis, Isolation and Characterization of E4A-Tig-Q

Chemical synthesis of E4A-Tig-R: 1. Preparation of E4A; 2. Esterification of E4A with Tigloyl Chloride; 3. Isolation of E4A-Tig-Q with HPLC

Cytotoxic activity determination: 1. MTT assay

Chemical structure determination: 1. NMR analysis; 2. Mass Spectrum analysis

Experiment 11

Chemical Synthesis, Isolation and Characterization of E4A-Tig-V

Chemical synthesis of E4A-Tig-V: 1. Preparation of E4A; 2. Esterification of E4A with Tigloyl Chloride; 3. Isolation of E4A-Tig-V with HPLC

Cytotoxic activity determination: 1. MTT assay

Chemical structure determination: 1. NMR analysis; 2. Mass Spectrum analysis

Experiment 12

Chemical Synthesis, Isolation and Characterization of E4A-Tig-T

Chemical synthesis of E4A-Tig-T: 1. Preparation of E4A; 2. Esterification of E4A with Tigloyl Chloride; 3. Isolation of E4A-Tig-T with HPLC

Cytotoxic activity determination: 1. MTT assay

Chemical structure determination: 1. NMR analysis; 2. Mass Spectrum analysis

Experiment 13

Chemical Synthesis, Isolation and Characterization of E4A-Tig-U

Chemical synthesis of E4A-Tig-S: 1. Preparation of E4A; 2. Esterification of E4A with Tigloyl Chloride; 3. Isolation of E4A-Tig-S with HPLC

Cytotoxic activity determination: 1. MTT assay

Chemical structure determination: 1. NMR analysis; 2. Mass Spectrum analysis

Experiment 14

Chemical Synthesis, Isolation and Characterization of E4A-Tig-S

Chemical synthesis of E4A-Tig-S: 1. Preparation of E4A; 2. Esterification of E4A with Tigloyl Chloride; 3. Isolation of E4A-Tig-S with HPLC

Cytotoxic activity determination: 1. MTT assay

Chemical structure determination: 1. NMR analysis; 2. Mass Spectrum analysis

Experiment 15

Using method in Experiment 8, esterification of E4A with acetyl, angeloyl, tigloyl, senecioyl, Crotonoyl, Cinnamoyl, Pentenoyl, Hexanoyl, Ethylbutyryl, gave the following compounds

Experiment 16

Esterification of E4A-Tig-N with Senecioyl Chloride

Chemical synthesis of E4A-Tig-Sen-1:1. Esterification of E4A-Tig-N with Senecioyl Chloride; 3. Isolation of E4A-Tig-Sen-1 with HPLC

Cytotoxic activity determination: 1. MTT assay

Chemical structure determination: 1. NMR analysis; 2. Mass Spectrum analysis

Experiment 17

Esterification of E4A-Tig-N with angeloyl chloride, Acetyl chloride, Crotonoyl chloride, 3,3-Dimethylartyloyl chloride, senecioyl chloride, Cinnamoyl chloride, Pentenoyl chloride, Hexanoyl chloride, benzoyl chloride or Ethylbutyryl chloride; Isolation with HPLC; Cytotoxic activity determination; Chemical structure determination with the method of Experiment 8, gave the following compounds:

Experiment 18

Inhibition of Cell Adhesion

Methods and Results. ES2 or Hey8A cells were plated in T25 flasks with medium containing 5 ug/ml of compounds selected from structure (2A) including E4A-Tig-R, E4A-Tig-V, E4A-Tig-S, E4A-Tig-N, E4A-Tig-Q, E4A-Tig-T. Cultures were incubated for 5 hours. Attached cells were removed from flasks by trypsinization and the amounts were counted. Compare to no drug controls, 80±4% of ES2 cells and 60±4% of Hey8A cells were found attached to flasks under this condition. At 5 ug/ml of above compounds, over 90% of unattached cells are alive as determined by the trypan Blue exclusion assay and by their ability to re-attach to flasks when plating in medium without tested compounds. However, with 10 ug/ml tested compounds, less than 40% of cells attached to flasks and many of them are dead cells. This experiment shows that tested compounds inhibit cells adhesion process.

Experiment 19

Fibronectin Secretion Experiment

Western blot is applied in this invention as a method to detect the specific proteins in treated and untreated cells with compounds in this invention, wherein the cells are bladder, cervix, prostate, lung, breast, leukemia, colon, liver, bone, brain, Skin, ovary, Pancreas (Capan), Mouth (KB), Kidney

Cells: targeted cells were grown in RPMI 1640 medium. 1.5 million cells were seeded in a T25 flask and grown for 24 hours before drug-treatment.

Drug-treatment: Cells cultures were replaced with fresh RPMI medium containing either 2.5 ul of DMSO (as control) [D]; or 10, 20, 30, 40, 80 ug/ml of tested compounds. After 24 hours, aliquot of culture medium was taken out for Fibronectin determination (Western blot method).

Cell viability at 24 hours was determined by MTT assay. Cultures were replaced with RPMI medium (5 ml) with MTT and incubated for an hour. The formation of formazan was dissolved in 10 ml of DMSO and OD at 570 nm was measured (MTT units). Western Blot Spent culture medium was mixed with SDS sample buffer, boiled for 3 minutes before loading to SDS gel. Samples were applied to a 6-10% SDS gel and electrophoresis was conducted with 100 volts for 2 hours. Protein was transferred to a nitrocellulose membrane electrophoretically. The nitrocellulose blot was incubated with the first antibody and second antibody (AP conjugated, Promega S3721). The immuno-bands were developed with BCIP/NBT color development system.

Determination of Western band intensity: The band-images of Western blot were captured with a digital camera and the intensity of bands was determined using “Image J” software.

Results show that compounds of E4A-Tig-R, E4A-Tig-V, E4A-Tig-S, E4A-Tig-N, E4A-Tig-Q, E4A-Tig-T inhibit fibronectin secretion from 20-40%. in bladder, cervix, prostate, lung, breast, leukemia, colon, liver, bone, brain, Skin, ovary, Pancreas (Capan), Mouth (KB), Kidney.