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Genetics and Epigenetics in Allergic Rhinitis.

Bo Yoon Choi1, Munsoo Han1, Ji Won Kwak1

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Genetic and epigenetic factors influence allergic rhinitis. This review summarizes known and new genes, focusing on DNA methylation, histone acetylation, and miRNA alterations in disease development.

Keywords:
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Area of Science:

  • Immunology
  • Genetics
  • Molecular Biology

Background:

  • Allergic rhinitis pathogenesis involves genetic, environmental, and epigenetic factors.
  • Single nucleotide polymorphisms (SNPs) are key in genetic studies, often linked with genome-wide association studies (GWASs).
  • Epigenetic modifications like DNA methylation, histone acetylation, and miRNA alterations are increasingly recognized in allergic rhinitis.

Purpose of the Study:

  • To review the current understanding of genetic and epigenetic factors in allergic rhinitis.
  • To summarize the functions and significance of known and newly discovered genes.
  • To propose future research directions in the genetics and epigenetics of allergic rhinitis.

Main Methods:

  • Literature review of genetic and epigenetic studies on allergic rhinitis.
  • Analysis of single nucleotide polymorphisms (SNPs) and genome-wide association studies (GWASs).
  • Examination of epigenetic mechanisms including DNA methylation, histone acetylation, and microRNA (miRNA) levels.

Main Results:

  • Genetic factors, including specific SNPs, play a significant role in allergic rhinitis susceptibility.
  • Epigenetic alterations in DNA methylation, histone acetylation, and miRNA expression are implicated in disease pathogenesis.
  • Several genes and their functions relevant to allergic rhinitis have been identified and characterized.

Conclusions:

  • Genetics and epigenetics are crucial components of allergic rhinitis pathogenesis.
  • Further research is needed to fully elucidate the complex interplay of genetic and epigenetic factors.
  • Understanding these mechanisms can pave the way for novel diagnostic and therapeutic strategies.