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char = t;code = 116
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char = v;code = 118
char = e;code = 101
char = s;code = 115
char = .;code = 46
result sql = Structure-dependent inhibition of bladder and pancreatic cancer cell growth by 2-substituted glycyrrhetinic and ursolic acid derivatives.
Structure-dependent inhibition of bladder and pancreatic cancer cell growth by 2-substituted glycyrrhetinic and ursolic acid derivatives.
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result sql = Derivatives of oleanolic acid, ursolic acid and glycyrrhetinic acid substituted with electron-withdrawing groups at the 2-position in the A-ring which also contains a 1-en-3-one structure are potent inhibitors of cancer cell growth. In this study, we have compared the effects of several 2-substituted analogs of triterpenoid acid methyl esters derived from ursolic and glycyrrhetinic acid on proliferation of KU7 and 253JB-V bladder and Panc-1 and Panc-28 pancreatic cancer cells. The results show that the 2-cyano and 2-trifluoromethyl derivatives were the most active compounds. The glycyrrhetinic acid derivatives with the rearranged C-ring containing the 9(11)-en-12-one structure were generally more active than the corresponding 12-en-11-one isomers. However, differences in growth inhibitory IC(50) values were highly variable and dependent on the 2-substituent (CN vs CF(3)) and cancer cell context.

Publication: Bioorg. Med. Chem. Lett. 2008 Apr 15 ;18(8)::2633-9. :doi: 10.1016/j.bmcl.2008.03.031.
Publication Date: 2008 Apr 15
Study Author(s): Chadalapaka, Gayathri;Jutooru, Indira;McAlees, Alan;Stefanac, Tom;Safe, Stephen;
Institution: Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, TX 77843-4466, USA.
Shortcut link to this study:
Derivatives of oleanolic acid, ursolic acid and glycyrrhetinic acid substituted with electron-withdrawing groups at the 2-position in the A-ring which also contains a 1-en-3-one structure are potent inhibitors of cancer cell growth. In this study, we have compared the effects of several 2-substituted analogs of triterpenoid acid methyl esters derived from ursolic and glycyrrhetinic acid on proliferation of KU7 and 253JB-V bladder and Panc-1 and Panc-28 pancreatic cancer cells. The results show that the 2-cyano and 2-trifluoromethyl derivatives were the most active compounds. The glycyrrhetinic acid derivatives with the rearranged C-ring containing the 9(11)-en-12-one structure were generally more active than the corresponding 12-en-11-one isomers. However, differences in growth inhibitory IC(50) values were highly variable and dependent on the 2-substituent (CN vs CF(3)) and cancer cell context.
PMID: 18359628

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