From Stanford Medicine.
Researchers at the Stanford University School of Medicine have linked chronic fatigue syndrome to variations in 17 immune-system signalling proteins, or cytokines, whose concentrations in the blood correlate with the disease’s severity.
The findings provide evidence that inflammation is a powerful driver of this mysterious condition, whose underpinnings have eluded researchers for 35 years.
The findings, described in a study published online July 31 in the Proceedings of the National Academy of Sciences, could lead to further understanding of this condition and be used to improve the diagnosis and treatment of the disorder, which has been notably difficult.
More than 1 million people in the United States suffer from chronic fatigue syndrome, also known as myalgic encephalomyelitis and designated by the acronym ME/CFS. It is a disease with no known cure or even reliably effective treatments. Three of every four ME/CFS patients are women, for reasons that are not understood. It characteristically arises in two major waves: among adolescents between the ages of 15 and 20, and in adults between 30 and 35. The condition typically persists for decades.
“Chronic fatigue syndrome can turn a life of productive activity into one of dependency and desolation,” said Jose Montoya, MD, professor of infectious diseases, who is the study’s lead author. Some spontaneous recoveries occur during the first year, he said, but rarely after the condition has persisted more than five years.
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