Differential Gene Expression in Response to AWARENESS: A Randomized Controlled Trial of an Intersectional Minority Stress Intervention

Overview

Journal Health Psychol

Specialty Public Health

Date 2025 Feb 24

PMID 39992775

Authors

Annesa Flentje

Gowri Sunder

Adam W Carrico

Kesava Asam

Torsten B Neilands

Nadra E Lisha

James Dilley

Elena Flowers

Kord Kober

Bradley Aouizerat

Affiliations

Soon will be listed here.

Abstract

Objective: Past correlational research has shown that minority stress has direct and indirect effects on the biology of sexual minority people. This pilot randomized controlled trial (RCT) examined the potential of AWARENESS, a nine-session cognitive behavioral intervention to reduce intersectional minority stress, to alter gene expression related to immune function, inflammation, and HIV disease progression.

Method: Between 2016 and 2019, 25 sexual minority men living with HIV with recent substance use (n = 12 in AWARENESS and n = 13 in control) were enrolled, a subset with complete gene expression data among the 41 individuals within the parent RCT. Blood samples were taken prior to the intervention, at the 9-week conclusion of the intervention, and at 4 months postrandomization, and leukocyte RNA was sequenced for all samples. The authors examined differential expression analyses of single genes and overrepresentation analysis of gene sets.

Results: Neither AWARENESS nor the control condition was related to the differential expression of single genes. Overrepresentation analysis suggested that AWARENESS was related to changes over time in gene expression in leukocyte RNA in 52 gene sets (q < .05), many of which are related to immune function, while the active control condition was related to changes in gene expression among genes in only one gene set. When AWARENESS was compared to the control condition, four gene sets evidenced an overrepresentation of genes reflecting change over time.

Conclusions: This RCT suggests that AWARENESS is associated with changes in gene expression, primarily focused on changes in genes associated with immune processes. (PsycInfo Database Record (c) 2025 APA, all rights reserved).

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