期刊
HUMAN MUTATION
卷 39, 期 3, 页码 333-344出版社
WILEY
DOI: 10.1002/humu.23386
关键词
congenital diarrheal diseases; enteropathy; microvillus inclusion disease; munc18-2; MYO5B; myosin VB; STX3; STXBP2; syntaxin-3
资金
- Daniel Courtney Trust Foundation
- University Medical Center Groningen
- Centre National de la Recherche Scientifique [ANR-13-BSV8-0019-01]
- Association pour la Recherche sur le Cancer [SFI20121205398]
- Agence Nationale de la Recherche (ANR) [ANR-13-BSV8-0019] Funding Source: Agence Nationale de la Recherche (ANR)
Microvillus inclusion disease (MVID) is a rare but fatal autosomal recessive congenital diarrheal disorder caused by MYO5B mutations. In 2013, we launched an open-access registry for MVID patients and their MYO5B mutations (www.mvid-central.org). Since then, additional unique MYO5B mutations have been identified in MVID patients, but also in non-MVID patients. Animal models have been generated that formally prove the causality between MYO5B and MVID. Importantly, mutations in two other genes, STXBP2 and STX3, have since been associated with variants of MVID, shedding new light on the pathogenesis of this congenital diarrheal disorder. Here, we review these additional genes and their mutations. Furthermore, we discuss recent data from cell studies that indicate that the three genes are functionally linked and, therefore, may constitute a common disease mechanism that unifies a subset of phenotypically linked congenital diarrheal disorders. We present new data based on patient material to support this. To congregate existing and future information on MVID geno-/phenotypes, we have updated and expanded the MVID registry to include all currently known MVID-associated gene mutations, their demonstrated or predicted functional consequences, and associated clinical information.
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