Methods for preventing and treating cancer using N...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C424S009200

Reexamination Certificate

active

07635693

ABSTRACT:
The subject invention concerns N-thiolated β-lactam compounds of formula A,wherein R1is a hydrocarbon group having 1-8 carbon atoms; R3is an organothio group; and R4is alkyl, alkenyl, alkynyl, aryl, heteroaryl, cycloalkyl, heterocycloalkyl, cycloalkenyl, or heterocycloalkenyl, and analogs and pharmaceutically acceptable salts, esters and amides thereof. The subject invention also concerns methods for inducing tumor cell death or inhibiting tumor cell proliferation, and methods for inducing DNA damage, inhibiting DNA replication, activating p38 MAP kinase, or activating caspase cascade activation, or releasing cytochrome C from mitochondria into the cytoplasm in a tumor cell. Methods for treating cancer using N-thiolated β-lactam compounds, as well as pharmaceutical compositions comprising the same are further disclosed.

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