Abstract:
:The novel orally available inhibitor of the molecular chaperone heat shock protein 90 (Hsp90), BIIB021, induces the apoptosis of various types of tumor cell in vitro and in vivo. However, the effects and mechanisms of this agent on myelodysplastic syndrome (MDS) cell lines remain unknown. The aim of this study was to investigate the effects of BIIB021 on SKM-1 cells (a MDS cell line) and examine its mechanisms of action. The results showed that BIIB021 inhibited the growth of SKM-1 cells effectively in vitro. The treatment of SKM-1 cells with BIIB021 resulted in the inhibition of cell growth through G0/G1-phase cell cycle arrest and induced apoptosis by activating caspase-3, -8 and -9. Furthermore, this study also demonstrated that the mechanisms of apoptosis in SKM-1 cells were associated with the suppression of the phosphatidylinositide 3-kinase/Akt and nuclear factor-κB signaling pathways. Therefore, the findings indicate a novel approach for the treatment of high-risk MDS.
journal_name
Exp Ther Medjournal_title
Experimental and therapeutic medicineauthors
Lin S,Li J,Zhou W,Qian W,Wang B,Chen Zdoi
10.3892/etm.2014.1651subject
Has Abstractpub_date
2014-06-01 00:00:00pages
1539-1544issue
6eissn
1792-0981issn
1792-1015pii
etm-07-06-1539journal_volume
7pub_type
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journal_title:Experimental and therapeutic medicine
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journal_title:Experimental and therapeutic medicine
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journal_title:Experimental and therapeutic medicine
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journal_title:Experimental and therapeutic medicine
pub_type: 杂志文章
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