Lamellar ichthyosis with a novel homozygous C-terminal mutation in the transglutaminase-1 gene

被引：4

作者：

Rodriguez-Pazos, Laura ^{[1
]}

Ginarte, Manuel ^{[1
]}

Vega-Gliemmo, Ana ^{[1
]}

Toribio, Jaime ^{[1
]}

机构：

[1] Complejo Hosp Univ, Fac Med, Dept Dermatol, Santiago De Compostela 15782, Spain

来源：

INTERNATIONAL JOURNAL OF DERMATOLOGY | 2009年 / 48卷 / 11期

关键词：

RECESSIVE CONGENITAL ICHTHYOSIS; KERATINOCYTE TRANSGLUTAMINASE; ERYTHRODERMA; PATIENT; TGM1;

D O I：

10.1111/j.1365-4632.2009.04223.x

中图分类号：

R75 [皮肤病学与性病学];

学科分类号：

100206 ;

摘要：

Background The majority of cases of Lamellar ichthyosis (LI) are caused by mutations in the transglutaminase-1 (TGM1) gene. The mutations in the beta-barrel domains of the TGM1 gene are found very infrequently and several authors have suggested that these domains are not essential for the function of the enzyme. Other authors have postulated that mutations in these loci are pathogenic but they imply a less severe clinical picture of LI. Case report We report a patient with a severe phenotype of LI who had a homozygous mutation affecting the beta-barrel 2 domain of the TGM1. Conclusions This finding indicates that the integrity of beta-barrel domains is important for the correct function of the enzyme and that we are still far away from a consistent genotype-phenotype correlation.

引用

页码：1195 / 1197

页数：3

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