Wan-Hsuan Chou, Chun-Yu Wei, Min-Rou Lin, Che-Mai Chang, Stephen B. Gruber, Mai-Szu Wu, Wei-Chiao Chang
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Identification of Genetic Variations in HLA Region for Kidney Functions
HLA allelic polymorphisms are associated with a variety of kidney-related traits in different populations. Although Taiwanese-specific genetic variants associated with kidney function have been reported, the role of HLA alleles is unclear. In this study, the association between eGFR and genetic variations in the HLA region was explored in a cohort of 59,448 Taiwanese subjects. A total of 448 genetic variations in the HLA region are significantly associated with eGFR. HLA-C*03 is associated with decreased eGFR, while HLA-DQA1*03, HLA-DQB1*03:03 and HLA-DQB1*03:03:02 demonstrated protective effects. Moreover, amino acid changes on HLA-C and HLA-DRB1 are significantly associated with eGFR. Finally, the eGFR-associated single nucleotide variations (SNVs) and insertions and deletions (indels) are enriched in the HLA-DQB1 gene. After conditional analysis, we identified two independent signals, including rs2853941, rs3830060. In summary, this study highlights the role of HLA-C, HLA-DQA1, HLA-DQB1 and HLA-DRB1 variations in kidney function in the Taiwan Han Chinese population.
期刊介绍：
HLA, the journal, publishes articles on various aspects of immunogenetics. These include the immunogenetics of cell surface antigens, the ontogeny and phylogeny of the immune system, the immunogenetics of cell interactions, the functional aspects of cell surface molecules and their natural ligands, and the role of tissue antigens in immune reactions. Additionally, the journal covers experimental and clinical transplantation, the relationships between normal tissue antigens and tumor-associated antigens, the genetic control of immune response and disease susceptibility, and the biochemistry and molecular biology of alloantigens and leukocyte differentiation. Manuscripts on molecules expressed on lymphoid cells, myeloid cells, platelets, and non-lineage-restricted antigens are welcomed. Lastly, the journal focuses on the immunogenetics of histocompatibility antigens in both humans and experimental animals, including their tissue distribution, regulation, and expression in normal and malignant cells, as well as the use of antigens as markers for disease.
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