Clinica chimica acta; international journal of clinical chemistry
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High-altitude pulmonary edema (HAPE) is thought of as an independent clinical disorder with a constitutional or genetic component in its etiology. We focused on 5 common polymorphisms within HSPA1A (rs1043618 and rs1008438), HSPA1B (rs1061581 and rs539689) and HSPA1L (rs2227956) of Hsp70 family to explore their potential interaction upon susceptibility to HAPE in Chinese. ⋯ We demonstrated strong interaction of rs1061581, rs1043618 and rs1008438 polymorphisms within Hsp70 family upon susceptibility to HAPE in Chinese. Moreover, polymorphism rs1008438 might cause the development of HAPE via a change in HSPA1A promoter activity.