Isopteropodine Inhibitor

Solid. Powder

98.00%

Store at -20 degree C for 3 years powder
-80 degree C for 2 years in solvent

368.43

<1mg/ml refers to the product slightly soluble or insoluble

C21H24N2O4

C[C@H]1[C@@H]2CN3CC[C@@]4([C@@H]3C[C@@H]2C(=CO1)C(=O)OC)C5=CC=CC=C5NC4=O

5171-37-9

Antifection

Here, we investigated for the first time the antiproliferative and apoptotic effects of highly purified oxindole alkaloids, namely Isopteropodine (A1), pteropodine (A2), isomitraphylline (A3), uncarine F (A4) and mitraphylline (A5) obtained from Uncaria tomentosa, a South American Rubiaceae, on human lymphoblastic leukaemia T cells (CCRF-CEM-C7H2). Four of the five tested alkaloids inhibited proliferation of acute lymphoblastic leukaemia cells. Furthermore, the antiproliferative effect of the most potent alkaloids pteropodine (A2) and uncarine F (A4) correlated with induction of apoptosis. After 48 hours, 100microMol/l A2 or A4 increased apoptotic cells by 57%. CEM-C7H2 sublines with tetracycline-regulated expression of bcl-2, p16ink4A or constitutively expressing the cowpox virus protein crm-A were used for further studies of the apoptosis-inducing properties of these alkaloids. Neither overexpression of bcl-2 or crm-A nor cell-cycle arrest in G0/G1 phase by tetracycline-regulated expression of p16INK4A could prevent alkaloid-induced apoptosis[1]

Microbiology/Virology; Antifection