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  • Title: Identification of novel mutations in HFE, HFE2, TfR2, and SLC40A1 genes in Chinese patients affected by hereditary hemochromatosis.
    Author: Wang Y, Du Y, Liu G, Guo S, Hou B, Jiang X, Han B, Chang Y, Nie G.
    Journal: Int J Hematol; 2017 Apr; 105(4):521-525. PubMed ID: 27896572.
    Abstract:
    Hereditary hemochromatosis (HH) is a group of inherited iron-overload disorders associated with pathogenic defects in the genes encoding hemochromatosis (HFE), hemojuvelin (HJV/HFE2), hepcidin (HAMP), transferrin receptor 2 (TfR2), and ferroportin (FPN1/SLC40A1) proteins, and the clinical features are well described. However, there have been only a few detailed reports of HH in Chinese populations. Thus, there is insufficient patient information for population-based analyses in Chinese populations or comparative studies among different ethical groups. In the current work, we describe eight Chinese cases of hereditary hemochromatosis. Gene sequencing results revealed eight mutations (five novel mutations) in HFE, HFE2, TfR2, and SLC40A1 genes in these Chinese HH patients. In addition, we used Polymorphism Phenotyping v2 (Polyphen), Sorting Intolerant From Tolerant (SIFT), and a sequence alignment program to predict the molecular consequences of missense mutations.
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