detection of human t-lymphotropic virus type-i dna and mrna in the lymph nodes; using polymerase chain reaction in situ hybridization (pcr/ish) and reverse transcription (rt-pcr/ish).

NLM AIDSLINE Detection of human T-lymphotropic virus type-I DNA and mRNA in the lymph nodes; using polymerase chain reaction in situ hybridization (PCR/ISH) and reverse transcription (RT-PCR/ISH). Ohshima K; Suzumiya J; Izumo S; Mukai Y; Tashiro K; Kikuchi M;
August 30, 1996

Int J Cancer. 1996 Mar 28;66(1):18-23. Unique Identifier : AIDSLINE To examine the relationship between human T-lymphotrophic virus type I (HTLV-I) proviral DNA and its expression in the lymph nodes, HTLV-I DNA and tax/rex mRDA were directly amplified by polymerase chain reaction in situ hybridization (PCR/ISH), and reverse transcription (RT)-PCR/ISH [RT-PCR/ISH]. We studied 24 lymph nodes from patients with adult T-cell leukemia/lymphoma (ATLL), incipient ATLL (I-ATLL), and HTLV-I associated lymphadenitis dermatopathic type (HAL-D) and enlarged paracortical type (HAL-EP). In ATLL, 40-60% of the nucleated cells were positive for for HTLV-I proviral DNA by PCR/ISH, while in I-ATLL and HAL, respectively 5-20% and less than 1-5% of cells were positive. The number of mRNA expressing cells was smaller than that of the proviral DNA-positive cells. The mRNA-expressing cells varied in number among the ATLL and I-ATLL cases, while they were only rarely observed in HAL-D and HAL-EP. These results show that HTLV-I infection and activation might increase with malignant transformation of the target T helper cells. Adult Aged DNA, Viral/ANALYSIS Female Gene Expression Regulation, Neoplastic Gene Expression Regulation, Viral Human HTLV-I/GENETICS HTLV-I Infections/DIAGNOSIS/GENETICS In Situ Hybridization/METHODS Leukemia, T-Cell/MICROBIOLOGY Lymph Nodes/MICROBIOLOGY Male Middle Age Polymerase Chain Reaction/METHODS RNA, Viral/ANALYSIS JOURNAL ARTICLE

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Information in this article was accurate in August 30, 1996. The state of the art may have changed since the publication date. This material is designed to support, not replace, the relationship that exists between you and your doctor. Always discuss treatment options with a doctor who specializes in treating HIV.