María José Míguez-Burbano1, Luis Espinoza2, Diego Bueno3, Mayra Vargas3, Allison B Trainor4, Clery Quiros3, John E Lewis5, Deshratn Asthana5. 1. School of Integrated Science and Humanity, Florida International University, Miami, FL, USA mjmiguez@fiu.edu. 2. Department of Medicine, University of Miami School of Medicine, Miami, FL, USA. 3. School of Integrated Science and Humanity, Florida International University, Miami, FL, USA. 4. Departments of Epidemiology and Medicine, University of Florida, Gainesville, FL, USA. 5. Department of Psychiatry and Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL, USA.
Abstract
OBJECTIVE: Given the emerging data suggesting the key role of brain-derived neurotrophic factor (BDNF) in the immune system, we assessed longitudinally whether BDNF depletions induced by hazardous alcohol use (HAU) would impact a response to antiretroviral therapy (ART). METHODS: In a prospective single-site cohort, virological and immunological responses to ART in 200 hazardous and 200 nonhazardous users were obtained, along with plasma BDNF levels. RESULTS: Hazardous drinkers were more likely to have BDNF levels <4000 pg/mL (odds ratio [OR] = 1.6, P = .01). Participants with BDNF <4000 pg/mL were less likely to have CD4 counts of more than 500 cells/mm(3) (P = .02) and to achieve viral suppression over the follow-up period (OR = 1.5, P = .03). Multivariate analysis confirmed the significant role of HAU and low BDNF in predicting viroimmune responses. CONCLUSION: Hazardous alcohol use was associated with BDNF alterations, which in turn were linked to a limited response to ART in terms of viral suppression and CD4 count improvements.
OBJECTIVE: Given the emerging data suggesting the key role of brain-derived neurotrophic factor (BDNF) in the immune system, we assessed longitudinally whether BDNF depletions induced by hazardous alcohol use (HAU) would impact a response to antiretroviral therapy (ART). METHODS: In a prospective single-site cohort, virological and immunological responses to ART in 200 hazardous and 200 nonhazardous users were obtained, along with plasma BDNF levels. RESULTS: Hazardous drinkers were more likely to have BDNF levels <4000 pg/mL (odds ratio [OR] = 1.6, P = .01). Participants with BDNF <4000 pg/mL were less likely to have CD4 counts of more than 500 cells/mm(3) (P = .02) and to achieve viral suppression over the follow-up period (OR = 1.5, P = .03). Multivariate analysis confirmed the significant role of HAU and low BDNF in predicting viroimmune responses. CONCLUSION: Hazardous alcohol use was associated with BDNF alterations, which in turn were linked to a limited response to ART in terms of viral suppression and CD4 count improvements.
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