Exploration of KIR Genes and Hematological-related Diseases in Chinese Han Population: a Multi-center Retrospective Analysis

Author:

Li Ye-Mo1,Li Yu-Xia1,Hu Xiao-Zhuang1,Li Dai-Yang1,An Lin1,Yuan Zhi-Yang1,Liu Zhong-Liang1,Du Ke-Ming1,Zheng Zhong-Zheng1

Affiliation:

1. Shanghai Tissuebank Biotechnology Co., Ltd

Abstract

Abstract The function of natural killer (NK) cells has previously been implicated in hematopoietic-related diseases. Killer immunoglobulin-like receptors (KIR) play an important role in NK cells after hematopoietic stem cell transplantation. To explore the immunogenetic predisposition of hematopoiesis-related diseases, herein, a multi-center retrospective study in China was conducted, analyzing and comparing 2519 patients with hematopathy (mainly, acute lymphoblastic leukemia, acute myeloid leukemia, aplastic anemia, and myelodysplastic syndrome) to 18108 individuals without known pathology. Genotyping was performed by polymerase chain reaction with specific sequence primers (PCR-SSP). As a result, we discovered four genes including KIR2DL5 (OR: 0.74, 95% CI: 0.59–0.93; Pc = 0.0405), 2DS1 (OR: 0.74, 95% CI: 0.59–0.93; Pc = 0.0405), 2DS3 (OR: 0.58, 95% CI: 0.41–0.81; Pc = 0.0180), and 3DS1 (OR: 0.74, 95% CI: 0.58–0.94; Pc = 0.0405) to be protective factors that significantly reduce the risk of aplastic anemia. Our findings offer new approaches to immunotherapy for hematological-related diseases. As these therapies mature, they are promising to be used alone or in combination with current treatments to help to make hematopathy a manageable disease.

Publisher

Research Square Platform LLC

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