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Research Article: The Association of Methylation Level in the CYPA Gene with High Altitude Pulmonary Edema in the Chinese Population

Date Published: 2023-06-21

Abstract:
High altitude pulmonary edema (HAPE) is a kind of rapid noncardiogenic pulmonary edema, which usually occurs in people who visit to altitudes above – m within – days. The incidence of HAPE is high and the symptoms are severe. If not addressed in a timely manner, it can develop into a coma in a relatively short time and even lead to death. There is the absence of effective ways to evaluate the prevention and treatment of HAPE. It is assumed that the occurrence of HAPE is a complex process that involved in multi-factor and many genes. The happening and development of HAPE is related to observable individual and racial diversity, and it is affected by the environmental and genetic factors. However, the pathogenic mechanism of HAPE is not yet clear. It is a focus topic in high altitude medical research to study the pathogenesis of acute HAPE and explore the genetic markers that can predict high altitude pulmonary edema so as to prevent in advance and reduce the incidence. Previous studies reported that genetic polymorphisms in some genes such as IL, ACYP, RTEL, and NRC are significantly associated with the risk of HAPE.– DNA methylation is one of the main regulatory mechanisms of epigenetics, which can regulate the expression of target genes without changing the DNA sequence by silencing promoters and altering the transcription of the regulatory genome. The methylation of the CpG site near the gene promoter is linked to the transcriptional activity and expression of the gene., An increasing study has shown that DNA methylation significantly contributes to the occurrence of lung diseases.– These studies indicated that DNA methylation also plays a potential role in the development of HAPE.

Introduction:
High altitude pulmonary edema (HAPE) is a kind of rapid noncardiogenic pulmonary edema, which usually occurs in people who visit to altitudes above – m within – days. The incidence of HAPE is high and the symptoms are severe. If not addressed in a timely manner, it can develop into a coma in a relatively short time and even lead to death. There is the absence of effective ways to evaluate the prevention and treatment of HAPE. It is assumed that the occurrence of HAPE is a complex process that involved in…

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