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Genes May Predispose to Stress and Drinking

A researcher has found genes that modulate stress responses could cause some people to take drugs, specifically alcohol.

The study by Dr. Doug Matthews, professor of psychology and neuroscience at Baylor University, appeared in the journal Behavior Genetics.

Matthews found a small section on chromosome one that is responsive to a particular type of stress in animal models. The researchers then identified the genes in this region that could be responsible for the behavioral response to stress, such as alcohol consumption.

The study is the first to pinpoint a region on the chromosomes that could be responsible for modulating stress responses involved in complex behaviors like drug abuse.

“This study gives us insight into a common genetic pathway for stress that might be critical in modulating drug taking behavior, especially alcohol consumption since many people report drinking alcohol to reduce stress,” Matthews said.

“It also gave us some ideas on where to look in the brain for drug taking behavior and it provided a method to do so.”

Matthews said the researchers used a unique method to do the project by selecting chromosomes from one particular strain of mice and embedding them inside the background of a host strain.

He pointed out this sophisticated genetic manipulation allowed them to target specific chromosomes so they could get a much more powerful genetic answer.

Source: Baylor University

Genes May Predispose to Stress and Drinking

Rick Nauert PhD

Rick Nauert, PhDDr. Rick Nauert has over 25 years experience in clinical, administrative and academic healthcare. He is currently an associate professor for Rocky Mountain University of Health Professionals doctoral program in health promotion and wellness. Dr. Nauert began his career as a clinical physical therapist and served as a regional manager for a publicly traded multidisciplinary rehabilitation agency for 12 years. He has masters degrees in health-fitness management and healthcare administration and a doctoral degree from The University of Texas at Austin focused on health care informatics, health administration, health education and health policy. His research efforts included the area of telehealth with a specialty in disease management.

APA Reference
Nauert PhD, R. (2015). Genes May Predispose to Stress and Drinking. Psych Central. Retrieved on October 18, 2018, from https://psychcentral.com/news/2009/07/14/genes-may-predispose-to-stress-and-drinking/7089.html

 

Scientifically Reviewed
Last updated: 6 Oct 2015
Last reviewed: By John M. Grohol, Psy.D. on 6 Oct 2015
Published on PsychCentral.com. All rights reserved.