Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

Dataset Information

Transcription profiling of human HeLa CD4+ cells transfected with epitope-tagged eTat plasmid, or parental plasmid pCep4

ABSTRACT: Expression profiles of HeLa CD4+ cells transfected with epitope-tagged eTat plasmid, or parental plasmid pCep4. Cells are unsynchronized and untreated.

ORGANISM(S): Homo sapiens

SUBMITTER: Winnie Liang

PROVIDER: E-GEOD-570 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Therapeutic targets for HIV-1 infection in the host proteome.

Liang Winnie S WS Maddukuri Anil A Teslovich Tanya M TM de la Fuente Cynthia C Agbottah Emmanuel E Dadgar Shabnam S Kehn Kylene K Hautaniemi Sampsa S Pumfery Anne A Stephan Dietrich A DA Kashanchi Fatah F

Retrovirology 20050321

<h4>Background</h4>Despite the success of HAART, patients often stop treatment due to the inception of side effects. Furthermore, viral resistance often develops, making one or more of the drugs ineffective. Identification of novel targets for therapy that may not develop resistance is sorely needed. Therefore, to identify cellular proteins that may be up-regulated in HIV infection and play a role in infection, we analyzed the effects of Tat on cellular gene expression during various phases of t ...[more]

PMID: 15780141

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Project description:Despite the success of Highly Active Anti-Retroviral Therapy (HAART), patients often stop treatment due to the inception of side effects. Furthermore, viral resistance often develops, making one or more of the drugs ineffective. Identification of novel targets for therapy that may not develop resistance is sorely needed. Therefore, to identify cellular proteins that may be up-regulated in HIV infection and play a role in infection, we analyzed the effects of Tat on cellular gene expression during various phases of the cell cycle. RESULTS: SOM and k-means clustering analyses revealed a dramatic alteration in transcriptional activity at the G1/S checkpoint. Tat regulates the expression of a variety of genes, including DNA-binding proteins, receptors, and membrane proteins. Using siRNA to knock down expression of several gene targets, we show that an Oct1/2 binding protein, an HIV Rev binding protein, cyclin A, and PPGB, a cathepsin that binds NA, are important for viral replication following induction from latency and de novo infection of PBMCs. CONCLUSION: Based on exhaustive and stringent data analysis, we have compiled a list of gene products that may serve as potential therapeutic targets for the inhibition of HIV-1 replication. Several genes have been established as important for HIV-1 infection and replication, including Pou2AF1 (OBF-1), complement factor H related 3, CD4 receptor, ICAM-1, NA, and cyclin A1. There were also several genes whose role in relation to HIV-1 infection have not been established and may also be novel and efficacious therapeutic targets and thus necessitate further study. Importantly, targeting certain cellular protein kinases, receptors, membrane proteins, and/or cytokines/chemokines may result in adverse effects. If there is the presence of two or more proteins with similar functions, where only one protein is critical for HIV-1 transcription, and thus, targeted, we may decrease the chance of developing treatments with negative side effects.

Dataset Information

Transcription profiling of human HeLa CD4+ cells transfected with epitope-tagged eTat plasmid, or parental plasmid pCep4

Publications

Therapeutic targets for HIV-1 infection in the host proteome.

Similar Datasets

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