Autosomal recessive congenital ichthyosis (ARCI) is a rare (1:100,000–250,000), clinically
and genetically heterogeneous group of cornification diseases. Phenotypes vary from
severe lamellar ichthyosis (LI) to mild non-bullous congenital ichthyosiform erythroderma
(NBCIE). Approximately 55% of ARCI patients have complete or partial transglutaminase
1 (TGase1) deficiency due to germline mutations in the TGM1 gene [
[1]
]. TGase1 cross-links several precursor proteins (e.g., involucrin) and hydroxyceramides
to form the cornified cell envelope. Over 100 different ARCI-mutations have been identified
in TGM1, on chromosome 14q11.2, and these are more often associated with LI than NBCIE [
[1]
].Keywords
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Article info
Publication history
Published online: July 12, 2010
Received:
March 31,
2009
Identification
Copyright
© 2009 Japanese Society for Investigative Dermatology. Published by Elsevier Inc. All rights reserved.