Can I get names of antimetabolite adenosine deaminase inhibitors?

Answers (1)

21 Jul 2010

Hello,

I AM NOT A DOCTOR/ONCOLOGIST NOR PRETEND TO BE ONE AT ALL.

I know you know this... but I also need to know in order to understand and be of some help to you.

The adenosine deaminase inhibitors deoxycoformycin and erythro-9-(2-hydroxy-3 nonyl) adenine (EHNA) induce single-strand DNA breaks in cultured human lymphocytes. Deoxycoformycin produced a significant number of strand breaks (4-fold increase compared to controls) and EHNA induced strand breaks in a dose-dependent manner. Strand breaks stimulate repair by poly (ADP-ribosylation) which requires NAD+ as a cofactor. Niacin is a precursor of NAD+ and when preincubated with human lymphocytes prior to exposure to adenosine deaminase inhibitors, strand breakage was reduced significantly. The administration of niacin may represent an approach to decreasing the toxicity associated with these agents.

Pentostatin (deoxycoformycin) is an anticancer chemotherapeutic drug.

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