A novel indel variant in LDLR responsible for familial hypercholesterolemia in a Chinese family.
A novel indel variant in LDLR responsible for familial hypercholesterolemia in a Chinese family.
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DOI:
10.1371/journal.pone.0189316
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发表时间:
2017
期刊:
影响因子:
3.7
通讯作者:
Wang Y
中科院分区:
文献类型:
--
作者:
Shu H;Chi J;Li J;Zhang W;Lv W;Wang J;Deng Y;Hou X;Wang Y
Familial hypercholesterolemia (FH) is an inherited disorder characterized by elevation of serum cholesterol bound to low-density lipoprotein. Mutations in LDLR are the major factors responsible for FH. In this study, we recruited a four-generation Chinese family with FH and identified the clinical features of hypercholesterolemia. All affected individuals shared a novel indel mutation (c.1885_1889delinsGATCATCAACC) in exon 13 of LDLR. The mutation segregated with the hypercholesterolemia phenotype in the family. To analyze the function of the indel, we established stable clones of mutant and wild-type LDLR in Hep G2 cells. The mutant LDLR was retained in the endoplasmic reticulum (ER) and failed to glycosylate via the Golgi. Moreover, the membrane LDLR was reduced and lost the ability to take up LDL. Our data also expand the spectrum of known LDLR mutations.
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影响因子:
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作者:
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通讯作者:
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通讯作者:
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作者:
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通讯作者:
GOLDSTEIN, JL