Functional studies of MLC1 mutations in Chinese patients with megalencephalic leukoencephalopathy with subcortical cysts.
Functional studies of MLC1 mutations in Chinese patients with megalencephalic leukoencephalopathy with subcortical cysts.
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中国患有皮质下囊肿的巨脑白质脑病患者 MLC1 突变的功能研究。
DOI:
10.1371/journal.pone.0033087
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发表时间:
2012
期刊:
影响因子:
3.7
通讯作者:
Jiang Y
中科院分区:
文献类型:
--
作者:
Xie H;Wang J;Dhaunchak AS;Shang J;Kou L;Guo M;Wu Y;Gu Q;Colman D;Wu X;Jiang Y
Megalencephalic leukoencephalopathy with subcortical cysts (MLC, MIM# 604004) is an autosomal recessive inherited disease mostly resulting from MLC1 mutations. In this study, we finished the functional analysis of MLC1 mutations identified recently in Chinese patients, including five newly described missense mutations (R22Q, A32V, G73E, A275T, Y278H), one known nonsense mutation (Y198X), and two known missense mutations (S69L, T118M). We found MLC1wt was localized to the cell periphery, whereas mutant R22Q, A32V, G73E, S69L and T118M were trapped in the lumen of endoplasmic reticulum (ER) when we transfected the wild-type and mutant MLC1 in U373MG cells. Compared to wild type, the mutant G73E, T118M, Y198X and A275T transcript decreased and all mutants except R22Q had lower protein expression in transfected U373MG cells. Therefore, we propose that all these eight MLC1 mutations had functional effect either on their protein/mRNA expression, or on their intracellular protein localization, or both.
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影响因子:
9.8
作者:
Leegwater, PAJ;Yuan, BQ;van der Knaap, MS
通讯作者:
van der Knaap, MS
影响因子:
3.5
作者:
Tsujino, S;Kanazawa, N;Oba, H
通讯作者:
Oba, H
影响因子:
9.9
作者:
Gorospe, JR;Singhal, BS;Naidu, S
通讯作者:
Naidu, S
影响因子:
12.7
作者:
Boor, Ilja;Nagtegaal, Machiel;Kamphorst, Wouter;van der Valk, Paul;Pronk, Jan C.;van Horssen, Jack;Dinopoulos, Argirios;Bove, Kevin E.;Pascual-Castroviejo, Ignacio;Muntoni, Francesco;Estevez, Raul;Scheper, Gert C.;van der Knaap, Marjo S.
通讯作者:
van der Knaap, Marjo S.
影响因子:
3.5
作者:
Teijido, O;Martínez, A;Estévez, R
通讯作者:
Estévez, R