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. 2014 May;2(2):148.
doi: 10.4172/2329-6488.1000148. Epub 2014 Feb 10.

Mood Disorders and BDNF Relationship with Alcohol Drinking Trajectories among PLWH Receiving Care

María José Míguez-Burbano  1 , Luis Espinoza  2 , Mayra Vargas  1 , Diana LaForest  1
Affiliations

Mood Disorders and BDNF Relationship with Alcohol Drinking Trajectories among PLWH Receiving Care

María José Míguez-Burbano et al. J Alcohol Drug Depend. 2014 May.

Abstract

Background: Despite the excessive rates of Hazardous Alcohol Use (HAU) among people living with HIV (PLWH), although largely speculated, psychological and physiological components associated with HAU, has not been actively measured. Therefore, the present study was geared toward determining: 1) the rates of mood disorders and its relationship with HAU, and 2) to assess the impact of Brain Derived Neurotrophic Factor (BDNF), a well-known regulator of alcohol and mood disorders.

Methods: For this study, participants of the longitudinal PADS Study n=400, were followed over time. Alcohol use (Alcohol Use Disorders Identification Test -AUDIT- and the Alcohol Dependence Scale -ADS) and moods (depression, anxiety, and stress) were assessed repeatedly.

Results: A cluster analyses shows three distinctive trajectories. The first one, revealed a group with increased drinking (Cluster 1: n=140), constant alcohol intake (Cluster 2: n = 60), and one with decreased consumption (Cluster 3: n =120). Analyses discovered higher AUDIT scores across the clusters with Cluster 1 being followed by Clusters 2 and 3 (1: 14.5 ± 8 vs. 2=8.7 ± 7.5 vs. 3= 6.6 ± 4.2, p = 0.001). Women in Clusters 1 and 2 had higher levels of stress (1:21 ± 7.5; 2:19.3 ± 7) and lower BDNF levels (7904 ± 1248 pg/ml and 10405 ± 909 pg/mL) than their counterparts in Cluster 3 (PSS: 3: 16.6 ±5, p = 0.02 BDNF: 10828 ± 1127 pg/mL, p = 0.08). Men in Cluster 1 differed in terms of stress (19.8 ± 7 vs. 21 ± 7.5 score) and BDNF levels (Cluster 1: 5204 ± 818 vs. Cluster 2: 7656 ± 843 pg/ml, p = 0.002) but not in the number of years living with HIV. The proportion of subjects with multiple mood comorbidities was disturbingly higher (26%), and all were members of Cluster 1. Multiple logistic regression analyses indicated that participants reporting high relative to low levels of perceived stress, dual mood comorbidity, altered BDNF levels and low income increased the likelihood of being a member of Cluster 1.

Conclusion: This study found that stress and overlaying psychiatric comorbidities are linked with persistent alcohol use. Findings suggest that BDNF and social support seems to be a logical target as it seems to be the bridge linking mood disorders and alcohol consumption.

Keywords: Alcohol trajectories; Anxiety; BDNF; Depression; Gender; HIV; Hazardous alcohol; Mood; Stress.

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Conflict of interest statement

Conflict of Interest Statement

The author(s) report(s) no real or perceived vested interests that relate to this article that could be construed as a conflict of interest.

Figures

Figure 1
Figure 1
A proposed model of the interplay between Mood Alcohol and BDNF status among people living with HIV.
See this image and copyright information in PMC

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