1
|
Echeverria P, Guardiola M, González M, Vallvé JC, Bonjoch A, Puig J, Clotet B, Ribalta J, Negredo E. Association between polymorphisms in genes involved in lipid metabolism and immunological status in chronically HIV-infected patients. Antiviral Res 2014; 114:48-52. [PMID: 25500319 DOI: 10.1016/j.antiviral.2014.12.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2014] [Revised: 11/24/2014] [Accepted: 12/01/2014] [Indexed: 12/15/2022]
Abstract
Several studies have reported associations between lipid parameters and clinical progression of HIV infection. We performed a cross-sectional study including 468 antiretroviral-treated HIV-infected patients to investigate the impact of 13 polymorphisms of 9 genes affecting lipid metabolism and CD4 and CD8-T cell levels. Polymorphisms were identified in genes selected for their role in the development of atherogenic dyslipidemia, defined as triglycerides ⩾1.7mmol/L and high-density lipoprotein cholesterol (HDLc) <1.02 in women or 1.28mmol/L in men. Lipid and lipoprotein parameters were determined in all participants, as well as CD4 and CD8 T-cell counts. ANOVA was performed to compare the mean values of lipid and CD4 and CD8 T-cell count data. A Bonferroni correction for multiple comparisons was applied. 468 patients were included, 148 of them had a diagnosis of atherogenic dyslipidemia. The polymorphism rs3135506 in APOA5 was associated with a 9% increase in triglycerides (p=0.002), 10% and 21% decrease in HDLc (p=0.005), and CD4 T-cell count (p=0.024), respectively. APOA5 rs662799, was associated with a 19% increase in CD8 T-cell count (p=0.002). Carriers of LPL rs328 in the dyslipidemic group presented 11% higher levels of HDLc (p=0.015) and 14% higher levels of CD4 cells (p=0.038). In conclusion, polymorphisms in genes associated to the development of atherogenic dyslipidemia, especially variants in APOA5 gene (rs3135506 and rs662799), can influence the circulating CD4 T-cell levels in chronically HIV-infected patients. These data support previous reports on the effect of lipid metabolism on immunologic parameters in HIV+ individuals on antiretroviral therapy.
Collapse
Affiliation(s)
- Patricia Echeverria
- Lluita contra la SIDA Foundation, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Catalonia, Spain.
| | - Montse Guardiola
- Unitat de Recerca en Lípids i Arteriosclerosi, CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Institut d' Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Reus, Spain
| | - Marta González
- Unitat de Recerca en Lípids i Arteriosclerosi, CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Institut d' Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Reus, Spain
| | - Joan Carles Vallvé
- Unitat de Recerca en Lípids i Arteriosclerosi, CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Institut d' Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Reus, Spain
| | - Anna Bonjoch
- Lluita contra la SIDA Foundation, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Catalonia, Spain
| | - Jordi Puig
- Lluita contra la SIDA Foundation, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Catalonia, Spain
| | - Bonaventura Clotet
- Lluita contra la SIDA Foundation, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Catalonia, Spain; AIDS Research Institute - IrsiCaixa, Hospital Universitari Germans Trias i Pujol, Catalonia, Spain; Universitat de VIC - Universitat Central de Catalunya, Catalonia, Spain
| | - Josep Ribalta
- Unitat de Recerca en Lípids i Arteriosclerosi, CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Institut d' Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Reus, Spain
| | - Eugènia Negredo
- Lluita contra la SIDA Foundation, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Catalonia, Spain; Universitat de VIC - Universitat Central de Catalunya, Catalonia, Spain
| |
Collapse
|