Histone deacetylase inhibitors from Burkholderia thailandensis.

Histone deacetylase inhibitors from Burkholderia thailandensis.
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DOI:
10.1021/np200532d
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发表时间:
2011-10-28
影响因子:
5.1
通讯作者:
McCloud TG
McCloud TG
中科院分区:
生物学2区
文献类型:
--
作者:
Klausmeyer P;Shipley SM;Zuck KM;McCloud TG

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Bioactivity guided fractionation of an extract of Burkholderia thailandensis led to the isolation and identification of a new cytotoxic depsipeptide and its dimer. Both compounds potently inhibited the function of histone deacetylases 1 and 4. The monomer, spiruchostatin C (2), was tested side-by-side with the clinical depsipeptide FK228 (1, Istodax®, romidepsin) in a murine hollow fiber assay consisting of 12 implanted tumor cell lines. Spiruchostatin C (2) showed good activity towards LOX IMVI melanoma cells and NCI-H522 non small cell lung cancer cells. Overall, however, FK228 (1) showed a superior in vivo antitumor profile compared to the new compound.
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