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  • Han, YangCollege of Basic Medical Sciences, First Affiliated Hospital of China Medical University, Shenyang, China (författare)

X-radiation inhibits histone deacetylase 1 and 2, upregulates Axin expression and induces apoptosis in non-small cell lung cancer

  • Artikel/kapitelEngelska2012

Förlag, utgivningsår, omfång ...

  • BioMed Central,2012
  • electronicrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:liu-88759
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-88759URI
  • https://doi.org/10.1186/1748-717X-7-183DOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • BackgroundHistone deacetylase (HDAC) plays an important role in the deacetylation of histone, which can alter gene expression patterns and affect cell behavior associated with malignant transformation. The aims of this study were to investigate the relationships between HDAC1, HDAC2, clinicopathologic characteristics, patient prognosis and apoptosis, to clarify the mechanism of upregulation of the Axis inhibitor Axin (an important regulator of the Wnt pathway) by X-radiation and to elucidate the effect of siRNA on radiation therapy of non-small cell lung cancer (NSCLC).MethodsHDAC1 and HDAC2 expression levels were measured by immunohistochemistry and reverse transcription PCR. Apoptosis was determined by terminal deoxynucleotidyl transferase-mediated dUTP-nick end labeling and fluorescence activated cell sorting. BE1 cells expressing Axin were exposed to 2 Gy of X-radiation.ResultsExpression of HDAC1 and that of HDAC2 were correlated, and significantly higher in NSCLC tissues than in normal lung tissues (P < 0.05). HDAC1 and HDAC2 expression was correlated with pTNM stage and negatively correlated with differentiation of NSCLC and apoptotic index (P < 0.05). The prognosis of patients with low expression of HDAC1 and HDAC2 was better than that of those with high expression. X-radiation and siRNA inhibited HDAC1 and HDAC2 expression in NSCLC cells and Axin levels were significantly higher in BE1 cells.ConclusionsX-radiation and siRNA inhibit expression of HDAC1 and HDAC2, weaken the inhibitory effect of HDAC on Axin, upregulate Axin expression and induce apoptosis of lung cancer cells. Inhibition of HDAC1 and HDAC2 is a means of enhancing the radiosensitivity of NSCLC.

Ämnesord och genrebeteckningar

  • HDAC1; HDAC2; Axin; Lung neoplasm; Radiosensitization

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Zhang, YongCollege of Basic Medical Sciences, First Affiliated Hospital of China Medical University, Shenyang, China (författare)
  • Yang, Lian-heCollege of Basic Medical Sciences, First Affiliated Hospital of China Medical University, Shenyang, China (författare)
  • Mi, Xiao-yiCollege of Basic Medical Sciences, First Affiliated Hospital of China Medical University, Shenyang, China (författare)
  • Dai, Shun-dongCollege of Basic Medical Sciences, First Affiliated Hospital of China Medical University, Shenyang, China (författare)
  • Li, Qing-changCollege of Basic Medical Sciences, First Affiliated Hospital of China Medical University, Shenyang, China (författare)
  • Xu, Hong-taoCollege of Basic Medical Sciences, First Affiliated Hospital of China Medical University, Shenyang, China (författare)
  • Yu, Juan-hanCollege of Basic Medical Sciences, First Affiliated Hospital of China Medical University, Shenyang, China (författare)
  • Li, GuangFirst Affiliated Hospital of China Medical University, Shenyang, China (författare)
  • Zhao, JingFirst Affiliated Hospital of China Medical University, Shenyang, China (författare)
  • Han, ChongFirst Affiliated Hospital of China Medical University, Shenyang, China (författare)
  • Yuan, Xi-mingÖstergötlands Läns Landsting,Linköpings universitet,Experimentell patologi,Hälsouniversitetet,Arbets- och miljömedicin(Swepub:liu)ximyu81 (författare)
  • Wang, En-huaCollege of Basic Medical Sciences, First Affiliated Hospital of China Medical University, Shenyang, China (författare)
  • College of Basic Medical Sciences, First Affiliated Hospital of China Medical University, Shenyang, ChinaFirst Affiliated Hospital of China Medical University, Shenyang, China (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Radiation Oncology: BioMed Central7:1831748-717X

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