Crohn’s disease may be caused by epigenetic changes.

ch is defined as alterations in genes caused by environmental causes. A new study has linked these epigenetic changes to Chrohn’s Disease, (CD), in children.

Chrohn’s disease is a progressively debilitating incurable condition that may attack anywhere along the digestive system. Crohn’s disease and ulcerative colitis, which involves only the large intestine (colon), are the two main types of inflammatory bowel disease. Approximately 1.4 million American adults and children suffer from CD or ulcerative colitis.

The findings, published in the journal of Inflammatory Bowel Diseases, reveals alterations of DNA in several regions of the in children diagnoses with Chrohn’s disease.

In this analyzed the of children with newly diagnosed CD, before any treatment, to investigate possible epigenetic changes that affect gene behavior. The results reflect epigenetic changes at 65 different sites across the . Nineteen sites showed clustering of epigenetic changes, pointing at that might be relevant to CD development.

The gene loci implicated in significant changes impacting on CD include genes responsible for immune and cellular functions, that play a significant role in developing CD. The study confirms that a number of health conditions are caused by epigenetic changes including rheumatoid arthritis, multiple sclerosis, , and obesity.

Source

Alex T. Adams, Nicholas A. Kennedy, Richard Hansen, Nicholas T. Ventham, Kate R. OʼLeary, Hazel E. Drummond, Colin L. Noble, Emad El-Omar, Richard K. Russell, David C. Wilson, Elaine R. Nimmo, Georgina L. Hold, Jack Satsangi. Two-stage -wide Methylation Profiling in Childhood-onset Crohnʼs Disease Implicates Epigenetic Alterations at the VMP1/MIR21 and HLA Loci. Inflammatory Bowel Diseases, 2014; 1 DOI: 10.1097/MIB.0000000000000179

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