Mycobacterium avium subspecies paratuberculosis in the etiology of Crohn's disease, cause or epiphenomenon?

Abstract:

:The origin of inflammatory bowel disease is unknown. Attempts have been made to isolate a microorganism that could explain the onset of inflammation, but no pathological agent has ever been identified. Johne's disease is a granulomatous chronic enteritis of cattle and sheep caused by Mycobacterium avium subspecies paratuberculosis (MAP) and shows some analogies with Crohn's disease (CD). Several studies have tried to clarify if MAP has a role in the etiology of CD. The present article provides an overview of the evidence in favor and against the "MAP-hypothesis", analyzing the methods commonly adopted to detect MAP and the role of antimycobacterial therapy in patients with inflammatory bowel disease. Studies were identified through the electronic database, MEDLINE, and were selected based on their relevance to the objective of the review. The presence of MAP was investigated using multiple diagnostic methods for MAP detection and in different tissue samples from patients affected by CD or ulcerative colitis and in healthy controls. On the basis of their studies, several authors support a close relationship between MAP and CD. Although increasing evidence of MAP detection in CD patients is unquestionable, a clear etiological link still needs to be proven.

journal_name

World J Gastroenterol

authors

Liverani E,Scaioli E,Cardamone C,Dal Monte P,Belluzzi A

doi

10.3748/wjg.v20.i36.13060

subject

Has Abstract

pub_date

2014-09-28 00:00:00

pages

13060-70

issue

36

eissn

1007-9327

issn

2219-2840

journal_volume

20

pub_type

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