Quantification of CCR5 mRNA in Human Lymphocytes and Macrophages by Real-Time Reverse Transcriptase PCR Assay

AUTOR(ES)

Lai, Jian-Ping

FONTE

American Society for Microbiology

RESUMO

CCR5, a β-chemokine receptor, plays an important role in human immunodeficiency virus (HIV) infection of human immune cells, as it is a primary coreceptor for HIV entry into macrophages. We have applied a newly developed real-time reverse transcriptase PCR (RT-PCR) assay for the quantification of CCR5 mRNA in human blood immune cells. The CCR5 real-time RT-PCR assay has a sensitivity of 100 mRNA copies, with a dynamic range of detection between 102 and 106 copies of the CCR5 mRNA transcripts per reaction. The assay is highly reproducible, with an intra-assay coefficient of variation of the threshold cycle of less than 2.07%. When used for quantification of CCR5 mRNA in human monocyte-derived macrophages (MDM) and peripheral blood lymphocytes (PBL), the assay has precision and reproducibility. MDM expressed higher levels of CCR5 mRNA than did PBL. Thus, this assay has the potential and a wide application for the investigation of the role of CCR5 in inflammatory diseases and viral infections, including HIV disease.

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