Journal
IMMUNOLOGY LETTERS
Volume 236, Issue -, Pages 68-77Publisher
ELSEVIER
DOI: 10.1016/j.imlet.2021.05.009
Keywords
Chemokines; Leukotrienes; Cytokines; Biomarkers; HTLV-1/HIV co infection; HTLV-1
Categories
Funding
- FAPEAM (PVN-II, PRO-ESTADO Program) [005/2019]
- CNPq
- Fundacao de Amparo a Pesquisa de Minas Gerais - FAPEMIG, Belo Horizonte, MG, Brazil
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The impact of HIV co-infection on the plasma immunological biomarker profile of HTLV-1 infected patients was evaluated. The study found that plasma levels of immunological biomarkers in co-infected patients were closely related to the HTLV-1 associated neurological diseases.
The impact of HIV co-infection on the plasma immunological biomarker profile of HTLV-1 infected patients was evaluated. The plasma levels of leukotrienes and chemokines/cytokines were quantified by ELISA and Cytometric Bead Array. A total of 138 volunteers were enrolled and divided into two subgroups (HTLV-1(+)HIV(-) and HTLV-1(+)(HIV(+)), which were categorized according to the HTLV-1-associated neurological disease (AS, pHAM and HAM). Reference controls were BD and HIV mono-infected patients. HAM(+) exhibited higher CD4(+) T-cell counts as compared to HIV+ mono-infected patients and lower HTLV-1 proviral load as compared to mono-infected HAM(-) patients. AS(+) exhibited higher levels of CysLT, CXCL8/IL-8 and lower levels of CCL5/ RANTES as compared to AS(-). Increased levels of IL-6 and TNF with reduced levels of CXCL10/IP10 and CCL5/ RANTES were observed in co-infected pHAM(+) as compared to mono-infected pHAM(-). HAM(+) patients revealed an increase in CXCL8/IL-8, CCL2/MCP-1, CXCL-10/IP-10, TNF and a decrease in IL-2 as compared to HAM(-) subgroup.
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