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Title: Pyrazolo[3,4-d]pyrimidines as potent antiproliferative and proapoptotic agents toward A431 and 8701-BC cells in culture via inhibition of c-Src phosphorylation.
Authors: Carraro, Fabio
Naldini, Antonella
Pucci, Annalisa
Locatelli, Ga
Maga, G
Schenone, S
Bruno, O
Ranise, A
Bondavalli, F
Brullo, C
Fossa, P
Menozzi, G
Mosti, L
Modugno, M
Tintori, Cristina
Manetti, Fabrizio 
Botta, Maurizio 
Issue Date: 2006
Project: None 
We report here the synthesis of new pyrazolo[3,4-d]pyrimidine derivatives along with their biological properties as inhibitors of isolated Src and cell line proliferation (A431 and 8701-BC cells). Such compounds block the growth of cancer cells by interfering with the phosphorylation of Src, and they act as proapoptotic agents through the inhibition of the anti apoptotic gene BCL2. Several of them were found to be more active than the reference compound (1-(tert-butyl)-3-(4-chlorophenyl)-4-aminopyrazolo[3,4-d]pyrimidine, PP2) in inhibiting cell proliferation and in inducing apoptosis, and as active as PP2 in the inhibition of the phosphorylation of isolated Src. Moreover, molecular modeling simulations have been performed to hypothesize the way, at the molecular level, by which the inhibitors were able to act as antiproliferative agents.
ISSN: 0022-2623
DOI: 10.1021/jm050603r
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