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学科主题基础医学
Transgenic human programmed cell death 5 expression in mice suppresses skin cancer development by enhancing apoptosis
Li, Yanhui1; Zhou, Gang2; La, Lijun1; Chi, Xiaochun1; Cao, Ye1; Liu, Jing1; Zhang, Zhanhui1; Chen, Yingyu3; Wu, Baiyan1
关键词PDCD5 Transgenic mice Apoptosis Tumor suppressor gene Cancer therapy
刊名LIFE SCIENCES
2013-07-10
DOI10.1016/j.lfs.2013.05.005
92期:24-26页:1208-1214
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Medicine, Research & Experimental ; Pharmacology & Pharmacy
研究领域[WOS]Research & Experimental Medicine ; Pharmacology & Pharmacy
关键词[WOS]RADIATION-INDUCED APOPTOSIS ; PDCD5 ; P53 ; OVEREXPRESSION ; TRANSCRIPTOME ; RADIOTHERAPY ; PROFILES ; LEUKEMIA ; TFAR19
英文摘要

Aims: We sought to probe the role of human programmed cell death 5 (PDCD5) in vivo and to understand its mechanisms.

Main methods: A transgenic mouse model of human PDCD5 was generated by pronuclear microinjection. Apoptosis in tissues of three independent transgenic mouse lines was quantified by terminal deoxynucleotidyl transferase mediated dUTP Nick End Labeling (TUNEL) and compared to wild type littermates. Their lifespan was compared. 8-Week PDCD5 mice and wild type mice (at a group of 5) were treated with carcinogen 3-methylcholanthrene (3-MC) at 5 mu g per week to induce skin cancer. Cancer development was measured by examining hematoxylin and eosin (H&E) stained skin sections after 5 weeks and 10 weeks treatment. Protein expression was determined by Western blot and apoptosis of skin cells was quantified by TUNEL.

Key findings: Starting from 5 months after birth, significant autonomous apoptosis was observed in multiple tissues of transgenic mice including skin, liver, spleen, adrenal gland and thyroid gland comparing to their wild type littermates. The average lifespan of PDCD5 mice was reduced to 9.75 months (normally 24-30 months). Moreover, carcinogen 3-MC induced skin cancer development was attenuated in the lesion of PDCD5 transgenic mice by enhancing apoptosis. Pro-apoptotic protein Bax expression was up-regulated in the 3-MC treated skin of transgenic mice.

Significance: These results suggest PDCD5 plays an antitumor role by enhancing apoptosis in animal physiological settings. Therefore, PDCD5 is a potential target for cancer therapy. (C) 2013 Elsevier Inc. All rights reserved.

语种英语
WOS记录号WOS:000321072400009
项目编号2011CB910103 ; 30871263
资助机构National Key Project for Basic Research of China (973) ; National Natural Science Foundation of China
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.bjmu.edu.cn/handle/400002259/54896
专题北京大学基础医学院_医学遗传学系
北京大学基础医学院
北京大学口腔医学院_口腔修复科
作者单位1.Peking Univ, Hlth Sci Ctr, Dept Med Genet, Sch Basic Sci, Beijing 100191, Peoples R China
2.Cleveland Clin, Lerner Res Inst, Dept Cellular & Mol Med, Cleveland, OH 44106 USA
3.Peking Univ, Hlth Sci Ctr, Dept Immunol, Sch Basic Sci, Beijing 100191, Peoples R China
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GB/T 7714
Li, Yanhui,Zhou, Gang,La, Lijun,et al. Transgenic human programmed cell death 5 expression in mice suppresses skin cancer development by enhancing apoptosis[J]. LIFE SCIENCES,2013,92(24-26):1208-1214.
APA Li, Yanhui.,Zhou, Gang.,La, Lijun.,Chi, Xiaochun.,Cao, Ye.,...&Wu, Baiyan.(2013).Transgenic human programmed cell death 5 expression in mice suppresses skin cancer development by enhancing apoptosis.LIFE SCIENCES,92(24-26),1208-1214.
MLA Li, Yanhui,et al."Transgenic human programmed cell death 5 expression in mice suppresses skin cancer development by enhancing apoptosis".LIFE SCIENCES 92.24-26(2013):1208-1214.
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