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Serotonin Deficiency Linked to Rheumatoid Arthritis

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By Diane Depra, Tech Times, March 11, 2016 For the first time, researchers have directly implicated serotonin in the paraphysiology of rheumatoid arthritis. Serotonin is mostly known as a neurotransmitter, but this shows that it has other important functions. In a study published in The American Journal of Pathology, the researchers showed that inducing serotonin deficiency in mice with rheumatoid arthritis led to a decline in the condition of the mouse model. When serotonin or compounds that activate receptors for the neurotransmitter were present, some effects of rheumatoid arthritis were reduced. "Our study highlights that [serotonin] has a direct immunoregulatory...

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