Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UNIPROT:P42574 (caspase-3)
 45,978 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

D-(-)-Lentiginosine [(-)-4], the nonnatural enantiomer of the iminosugar indolizidine alkaloid L-(+)-lentiginosine, acts as apoptosis inducer on tumor cells of different origin, in contrast to its natural enantiomer. Although D-(-)-4 exhibited a proapoptotic activity towards tumor cells at level lower than the chemotherapeutic agent, SN38, it was less proapoptotic towards normal cells and less cytotoxic. Apoptosis induced by D-(-)-4 was caspase-dependent, as shown by the increased expression and activity of caspase-3 and -8 in treated cells, and by inhibition following treatment with the pan caspase inhibitor, ZVAD-FMK. This study highlighted how a natural iminosugar alkaloid and its synthetic enantiomer, which were simply known for their inhibition against a fungal glucoamylase, could behave in a complete different way when tested towards cell growth and death of cells of different origin.
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PMID:The novel proapoptotic activity of nonnatural enantiomer of Lentiginosine. 2005 29