Gene Expression of ABHD6, a Key Factor in the Endocannabinoid System, Can Be Modulated by Female Hormones in Human Immune Cells
Abstract
One of the main risk factors for the development of an autoimmune disease is to be a woman. Much attention has been given to the involvement of female hormones in their etiology and sexual bias, although the mechanisms behind this potentially strong contribution in disease susceptibility are poorly understood. ABHD6 gene was recently identified as a risk factor for system lupus erythematosus and the risk was correlated with overexpression of the gene. ABHD6 is an enzyme that degrades the 2-arachidonoylglycerol, an endocannabinoid with immunomodulatory effects. Thus its degradation could contribute to immune dysregulation and development of autoimmune reactions. Sex hormones, such as estrogens, are believed to regulate important genes in the endocannabinoid pathway. However, no study was available regarding the effect of these hormones in human immune cells. In this study, ABHD6 expression was evaluated by quantitative PCR in leukocytes from healthy male and females and in the presence of estrogen or progesterone (PG). A statistical increase in ABHD6 expression could be detected in women. In the presence of estrogen or PG, a statistical upregulation of ABHD6 was observed, and in a sex-dependent manner, as only female cells respo...Continue Reading
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Autoimmune diseases occur as a result of an attack by the immune system on the body’s own tissues resulting in damage and dysfunction. There are different types of autoimmune diseases, in which there is a complex and unknown interaction between genetics and the environment. Discover the latest research on autoimmune diseases here.