PMID- 10563708 OWN - NLM STAT- MEDLINE DCOM- 19991123 LR - 20190718 IS - 0269-9370 (Print) IS - 0269-9370 (Linking) VI - 13 IP - 16 DP - 1999 Nov 12 TI - Sustained plasma TNF-alpha and HIV-1 load despite resolution of other parameters of immune activation during treatment of tuberculosis in Africans. PG - 2231-7 AB - OBJECTIVE: To determine the impact of treatment of tuberculosis on plasma HIV-1 load in African subjects and to correlate viral load with response to treatment and changes in immune activation. DESIGN: Clinical and microbiological responses, immune activation parameters and plasma HIV-1 load were determined in 20 patients with pulmonary tuberculosis and HIV-1 coinfection in Ghana, West Africa during the first 3 months of anti-tuberculosis treatment. METHODS: Plasma HIV-1 load and markers of immune activation were determined by commercially available assays. Human leukocyte antigen (HLA)-DR incorporation into the HIV-1 envelope was measured by using an immunomagnetic capture technique. RESULTS: Treatment of tuberculosis resulted in significant improvements in weight and haemoglobin, a high sputum smear conversion rate and marked reductions in mean plasma tumour necrosis factor (TNF) receptor-1, interleukin-6 and C-reactive protein. Furthermore, incorporation of host HLA-DR into the HIV-1 envelope decreased; this also suggested a reduction in immune activation of the cells supporting viral replication. However, of importance with regard to AIDS pathogenesis, neither mean plasma TNF-alpha nor HIV-1 load decreased significantly. CONCLUSIONS: The failure of HIV-1 plasma load to decline significantly during the initial months of anti-tuberculosis treatment is associated with high, sustained systemic levels of TNF-alpha. The dissociation between the sustained levels of plasma TNF-alpha and the major reductions in other, diverse immune activation parameters may represent dysregulation of cytokine production in these African patients. FAU - Lawn, S D AU - Lawn SD AD - HIV and Retrovirology Branch, Centers for Disease Control and Prevention, Public Health Service, U.S. Department of Health and Human Services, Atlanta, Georgia 30333, USA. FAU - Shattock, R J AU - Shattock RJ FAU - Acheampong, J W AU - Acheampong JW FAU - Lal, R B AU - Lal RB FAU - Folks, T M AU - Folks TM FAU - Griffin, G E AU - Griffin GE FAU - Butera, S T AU - Butera ST LA - eng PT - Journal Article PL - England TA - AIDS JT - AIDS (London, England) JID - 8710219 RN - 0 (Antitubercular Agents) RN - 0 (HLA-DR Antigens) RN - 0 (Tumor Necrosis Factor-alpha) SB - IM MH - AIDS-Related Opportunistic Infections/*drug therapy/immunology/virology MH - Antitubercular Agents/*therapeutic use MH - Ghana MH - HIV-1/*isolation & purification MH - HLA-DR Antigens/immunology MH - Humans MH - Tuberculosis/complications/*drug therapy/immunology/virology MH - Tumor Necrosis Factor-alpha/*metabolism MH - Viral Load EDAT- 1999/11/24 00:00 MHDA- 1999/11/24 00:01 CRDT- 1999/11/24 00:00 PHST- 1999/11/24 00:00 [pubmed] PHST- 1999/11/24 00:01 [medline] PHST- 1999/11/24 00:00 [entrez] AID - 10.1097/00002030-199911120-00005 [doi] PST - ppublish SO - AIDS. 1999 Nov 12;13(16):2231-7. doi: 10.1097/00002030-199911120-00005.