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Potent reactive oxygen species-JNK-p38 activation by sodium salicylate potentiates death of primary effusion lymphoma cells.

Anticancer research (2014-04-03)
Kulthida Vaeteewoottacharn, Manthana Mitchai, Pattaravadee Srikoon, Shinichiro Hattori, Ryusho Kariya, Kouki Matsuda, Sopit Wongkham, Seiji Okada
RESUMEN

Primary effusion lymphoma (PEL) is a rare but aggressive form of non-Hodgkin's B-cell lymphoma in immunodeficient patients. Resistance to conventional chemotherapeutic regimens is common in PEL and contributes to a very poor prognosis; hence, novel potent anti-PEL agents are required. Anticancer effects of non-steroidal anti-inflammatory drugs (NSAIDs) are well-established in epithelial cancer but are unclear in hematological malignancies. Therefore, the anticancer activities of selected NSAIDs, sodium salicylate (NaS), on PEL cell lines are of interest. Anti-proliferation of NaS on PEL cell lines was shown by MTT. Apoptosis induction and caspase activations were determined by flow cytometry analysis. ROS production was accessed by DCFH-DA. Western blot was performed to determine molecular mechanisms. NaS effectively inhibited cell proliferation of all PEL cell lines. Caspase-dependent apoptosis was demonstrated and simultaneous induction of reactive oxygen species production and c-Jun N-terminal kinases (JNK)-p38 activation was observed prior to apoptosis induction, and these might be responsible for NaS-induced apoptosis. Significant anticancer effects of NaS on PEL cell lines were found. A novel role of NaS for PEL treatment is suggested.

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Salicilato de sodio, ReagentPlus®, ≥99.5% (titration)
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Salicilato de sodio, 98.0-102.0% anhydrous basis, meets USP testing specifications
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Salicilato de sodio, ≥99.5% (HPLC), puriss. p.a.
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Salicilato de sodio, puriss. p.a., reag. Ph. Eur., 99.5-101.0% (calc. to the dried substance)
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Salicilato de sodio, SAJ first grade, ≥99.5%
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Salicilato de sodio, European Pharmacopoeia (EP) Reference Standard
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