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Genome-wide search for the genes accountable for the induced resistance to HIV-1 infection in activated CD4+T cells: apparent transcriptional signatures, co-expression networks and possible cellular processes

文献类型：期刊论文

作者Xu WW1,3; Han MJ1,3; Chen D4; Chen L5; Guo Y1; Willden A6; Liu DQ1; Zhang HT[*]1,2
刊名BMC MEDICAL GENOMICS
出版日期2013
卷号6期号:X页码:e15
关键词HIV-1 Susceptibility Resistance CD4+T cells CD3/CD28 costimulation
通讯作者zhanght@mail.kiz.ac.cn
合作状况其它
英文摘要Background: Upon co-stimulation with CD3/CD28 antibodies, activated CD4 + T cells were found to lose their susceptibility to HIV-1 infection, exhibiting an induced resistant phenotype. This rather unexpected phenomenon has been repeatedly confirmed but the underlying cell and molecular mechanisms are still unknown. 

Methods: We first replicated the reported system using the specified Dynal beads with PHA/IL-2-stimulated and un-stimulated cells as controls. Genome-wide expression and analysis were then performed by using Agilent whole genome microarrays and established bioinformatics tools. 

Results: We showed that following CD3/CD28 co-stimulation, a homogeneous population emerged with uniform expression of activation markers CD25 and CD69 as well as a memory marker CD45RO at high levels. These cells differentially expressed 7,824 genes when compared with the controls on microarrays. Series-Cluster analysis identified 6 distinct expression profiles containing 1,345 genes as the representative signatures in the permissive and resistant cells. Of them, 245 (101 potentially permissive and 144 potentially resistant) were significant in gene ontology categories related to immune response, cell adhesion and metabolism. Co-expression networks analysis identified 137 "key regulatory" genes (84 potentially permissive and 53 potentially resistant), holding hub positions in the gene interactions. By mapping these genes on KEGG pathways, the predominance of actin cytoskeleton functions, proteasomes, and cell cycle arrest in induced resistance emerged. We also revealed an entire set of previously unreported novel genes for further mining and functional validation. 

Conclusions: This initial microarray study will stimulate renewed interest in exploring this system and open new avenues for research into HIV-1 susceptibility and its reversal in target cells, serving as a foundation for the development of novel therapeutic and clinical treatments.
收录类别SCI
资助信息This work was supported by the “100 Talents” Program of the Chinese Academy of Sciences (No. A0820), National Natural Science Foundation of China (NSFC, Nos. 31070817 & 30771951), and Applied Fundamental Research Program of Yunnan Province (Nos. 2008CC001 & 2010CD101).
语种英语
WOS记录号WOS:000319015100001
公开日期2013-07-01
源URL[http://159.226.149.42:8088/handle/152453/7538]  
专题昆明动物研究所_分子免疫生物学
昆明动物研究所_动物模型与人类重大疾病机理重点实验室
作者单位1.Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, Jiaochang East Road 32, Kunming, Yunnan Province 650223, China
2.Chongqing Center for Biomedical Research and Equipment Development, Chongqing Academy of Science and Technology, Chongqing, China
3.Graduate University of Chinese Academy of Sciences, Beijing, China
4.Novel Bioinformatics Co., Ltd, Shanghai, China
5.Yunnan centers for disease control and prevention, Kunming, China
6.Editorial Department, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, China
推荐引用方式
GB/T 7714		 Xu WW,Han MJ,Chen D,et al. Genome-wide search for the genes accountable for the induced resistance to HIV-1 infection in activated CD4+T cells: apparent transcriptional signatures, co-expression networks and possible cellular processes[J]. BMC MEDICAL GENOMICS,2013,6(X):e15.
APA Xu WW.,Han MJ.,Chen D.,Chen L.,Guo Y.,...&Zhang HT[*].(2013).Genome-wide search for the genes accountable for the induced resistance to HIV-1 infection in activated CD4+T cells: apparent transcriptional signatures, co-expression networks and possible cellular processes.BMC MEDICAL GENOMICS,6(X),e15.
MLA Xu WW,et al."Genome-wide search for the genes accountable for the induced resistance to HIV-1 infection in activated CD4+T cells: apparent transcriptional signatures, co-expression networks and possible cellular processes".BMC MEDICAL GENOMICS 6.X(2013):e15.

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来源：昆明动物研究所

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