Abstract:
:A series of 4,5-indolyl-N-hydroxyphenylacrylamides, as HDAC inhibitors, has been synthesized and evaluated in vitro and in vivo. 4-Indolyl compounds 13 and 17 functions as potent inhibitors of HDAC1 (IC50 1.28 nM and 1.34 nM) and HDAC 2 (IC50 0.90 and 0.53 nM). N-Hydroxy-3-{4-[2-(1H-indol-4-yl)-ethylsulfamoyl]-phenyl}-acrylamide (13) inhibited the human cancer cell growth of PC3, A549, MDA-MB-231 and AsPC-1 with a GI50 of 0.14, 0.25, 0.32, and 0.24 μM, respectively. In in vivo evaluations bearing prostate PC3 xenografts nude mice model, compound 13 suppressed tumor growth with a tumor growth inhibition (TGI) of 62.2%. Immunohistochemistry of protein expressions, in PC-3 xenograft model indicated elevated acetyl-histone 3 and prominently inhibited HDAC2 protein expressions. Therefore, compound 13 could be a suitable lead for further investigation and the development of selective HDAC 2 inhibitors as potent anti-cancer compounds.
journal_name
Eur J Med Chemjournal_title
European journal of medicinal chemistryauthors
Mehndiratta S,Wang RS,Huang HL,Su CJ,Hsu CM,Wu YW,Pan SL,Liou JPdoi
10.1016/j.ejmech.2017.03.079subject
Has Abstractpub_date
2017-07-07 00:00:00pages
13-23eissn
0223-5234issn
1768-3254pii
S0223-5234(17)30247-7journal_volume
134pub_type
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