Chronic enteropathy associated with SLCO2A1 gene [CEAS]-Characterisation of an enteric disorder to be considered in the differential diagnosis of Crohn's disease

CEAS Atlas Group

研究成果: Article査読

21 被引用数 (Scopus)

抄録

Small intestinal ulcers include mucosal damage caused by drugs, particularly nonsteroidal antiinflammatory drugs [NSAIDs], infectious diseases, and idiopathic inflammatory bowel disease. Previously, a group of Japanese investigators reported an unusual and uncommon type of enteritis and referred to the condition as chronic nonspecific multiple ulcers of the small intestine [CNSU]. CNSU is characterised by chronic blood and protein loss through persistent small intestinal ulcers. Recently, four candidate mutations in the solute carrier organic anion transporter family, member 2A1 [SLCO2A1] gene, encoding a prostaglandin transporter, were identified by wholeexome sequencing in patients with CNSU. However, because the name 'CNSU' was somewhat ambiguous, the more appropriate nomenclature of 'chronic enteropathy associated with the SLCO2A1 gene' [CEAS] has been suggested. CEAS ulcers are characterised by multiple, circular or eccentric oblique, shallow lesions with discrete margins. The most frequently affected site of CEAS is the ileum, in contrast to 'cryptogenic multifocal ulcerous stenosing enteritis [CMUSE]', for which the most frequent site is the jejunum. Impaired prostaglandin utilisation is thought to cause the small intestinal mucosal damage observed in CEAS, CMUSE, and NSAID-induced enteropathy. This review article focuses on endoscopic and clinical features of genetically diagnosed CEAS, accumulated in a nationwide survey, and illustrates the observations in the format of an atlas.

本文言語English
ページ(範囲)1277-1281
ページ数5
ジャーナルJournal of Crohn's and Colitis
11
10
DOI
出版ステータスPublished - 2017 10 1

ASJC Scopus subject areas

  • 消化器病学

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