Genetic and Environmental Factors Impact CFS Patients
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People who suffer from chronic fatigue syndrome (CFS) have a genetic make up that affects the body’s ability to adapt to change, according to a series of papers released by the Centers for Disease Control and Prevention (CDC).
These papers, which analyze the most detailed and comprehensive clinical study on CFS to date, are published in the April issue of Pharmacogenomics.
Over the past year, CDC scientists have worked with experts in medicine, molecular biology, epidemiology, genomics, mathematics, engineering, and physics to analyze and interpret information gathered from 227 CFS patients.
The information was gathered during a study in which volunteers spent two days in a hospital research ward.
During this time, they underwent detailed clinical evaluations, measurement of sleep physiology, cognitive function, autonomic nervous system function, and extensive blood evaluations, including an assessment of the activity of 20,000 genes, in an attempt to identify factors that potentially cause or are related to CFS.
"This study demonstrates that the physiology of people with CFS is not able to adapt to the many challenges and stresses encountered throughout life, such as infection, injury and other adverse childhood events," said Dr. William C Reeves, who heads CDC’s CFSW public health research program.
"These findings are important because they will help to focus our research efforts to identify diagnostic tools and more effective treatments which ultimately could alleviate a lot of pain and suffering."
The multidisciplinary approach to this study, which is termed C3 or the CFS Computational Challenge, was developed by the CDC’s Dr. Suzanne Vernon, Molecular Epidemiology Team Leader for the CFS Research Laboratory.
"We put together four teams of different experts and challenged them to develop ways to integrate and analyze a wide range of medical data so as to identify those things that could improve the diagnosis, treatment, or understanding of CFS," Dr. Vernon said.
"There is a clear biologic basis for CFS, and knowing the molecular damage involved will help us devise effective therapeutic intervention and control strategies."