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Synergistic Inhibition of HTLV-1-infected Cell Proliferation by Combination of Cepharanthine and a Tetramethylnaphthalene Derivative.
MedLine Citation:
PMID:  22753721     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
The tetrahydrotetramethylnaphthalene derivative TMNAA has recently been identified as a selective inhibitor of human T-lymphotropic virus type 1 (HTLV-1)-infected T-cell lines and adult T-cell leukemia (ATL) cells but not of uninfected T-cell lines and peripheral blood mononuclear cells (PBMCs). Although the target molecule of TMNAA is still unknown, it does not inhibit nuclear factor-κB (NF-κB) activity. Therefore, TMNAA was examined for its inhibitory effect on the cell proliferation in combination with the NF-κB inhibitor cepharanthine. Synergism was observed for the combination, in inhibiting the proliferation of HTLV-1-infected T-cell lines. Although TMNAA alone did not induce the apoptosis of HTLV-1-infected T-cell lines, it strongly enhanced their apoptosis induced by cepharanthine. Thus, TMNAA may have potential as a therapeutic agent against ATL either alone or in combination with cepharanthine, which is clinically used as an anti-inflammatory drug in Japan.
Authors:
Masaaki Toyama; Takayuki Hamasaki; Tomofumi Uto; Hiroshi Aoyama; Mika Okamoto; Yuichi Hashmoto; Masanori Baba
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Anticancer research     Volume:  32     ISSN:  1791-7530     ISO Abbreviation:  Anticancer Res.     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-07-03     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8102988     Medline TA:  Anticancer Res     Country:  Greece    
Other Details:
Languages:  eng     Pagination:  2639-45     Citation Subset:  IM    
Affiliation:
Division of Antiviral Chemotherapy, Center for Chronic Viral Diseases, Graduate School of Medical and Dental Sciences, Kagoshima University, 8-35-1, Sakuragaoka, Kagoshima 890-8544, Japan. m-baba@m2.kufm.kagoshima-u.ac.jp.
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