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Interleukin-17A (IL-17A): Molecular Characteristics and Its Physiological and Pathological Significance - From Molecular Structure to Clinical Applications

##article.authors##

  • Chikako Sakamoto Laboratory of Anatomy and Neuroscience, Department of Biomedical Sciences, Institute of Medicine, University of Tsukuba
  • Sae Sanaka Laboratory of Anatomy and Neuroscience, Department of Biomedical Sciences, Institute of Medicine, University of Tsukuba
  • Sara Kamiya Laboratory of Anatomy and Neuroscience, Department of Biomedical Sciences, Institute of Medicine, University of Tsukuba
  • Asumi Kubo Laboratory of Anatomy and Neuroscience, Department of Biomedical Sciences, Institute of Medicine, University of Tsukuba
  • Kenyu Nakamura Laboratory of Anatomy and Neuroscience, Department of Biomedical Sciences, Institute of Medicine, University of Tsukuba
  • Koki Higuchi Laboratory of Anatomy and Neuroscience, Department of Biomedical Sciences, Institute of Medicine, University of Tsukuba
  • Tetsuya Sasaki Laboratory of Anatomy and Neuroscience, Department of Biomedical Sciences, Institute of Medicine, University of Tsukuba https://orcid.org/0000-0002-7723-4417 https://researchmap.jp/tsasak

DOI:

https://doi.org/10.51094/jxiv.965

Keywords:

cytokine receptors, IL-17A signaling, psychiatric disorders, Th17 cells, transcriptional regulation

Abstract

Interleukin-17A (IL-17A) is a proinflammatory cytokine that plays a crucial role in immune responses and tissue homeostasis. The expression of IL-17A is strictly regulated by transcription factors including RORγt and is mainly produced by Th17 cells, γδT cells, and innate lymphoid cells. IL-17A signals through a heterodimeric receptor complex consisting of IL-17RA and IL-17RC, leading to the activation of NF-κB and MAPK pathways. Recent studies have highlighted its functions in the central nervous system, with reported associations with multiple sclerosis and autism spectrum disorder. Furthermore, the development of IL-17A inhibitors has progressed significantly, showing high therapeutic efficacy particularly in autoimmune diseases. This review provides an overview of current knowledge regarding IL-17A, from its molecular characteristics to clinical applications.

 

Conflicts of Interest Disclosure

The authors declare that they have no competing interests.

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Author Biographies

Chikako Sakamoto, Laboratory of Anatomy and Neuroscience, Department of Biomedical Sciences, Institute of Medicine, University of Tsukuba

College of Medicine, School of Medicine and Health Sciences, University of Tsukuba

Sae Sanaka, Laboratory of Anatomy and Neuroscience, Department of Biomedical Sciences, Institute of Medicine, University of Tsukuba

College of Medicine, School of Medicine and Health Sciences, University of Tsukuba

Asumi Kubo, Laboratory of Anatomy and Neuroscience, Department of Biomedical Sciences, Institute of Medicine, University of Tsukuba

College of Biology, School of Life and Environmental Sciences, University of Tsukuba

Kenyu Nakamura, Laboratory of Anatomy and Neuroscience, Department of Biomedical Sciences, Institute of Medicine, University of Tsukuba

College of Medicine, School of Medicine and Health Sciences, University of Tsukuba

Koki Higuchi, Laboratory of Anatomy and Neuroscience, Department of Biomedical Sciences, Institute of Medicine, University of Tsukuba

College of Medicine, School of Medicine and Health Sciences, University of Tsukuba

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Posted


Submitted: 2024-11-17 13:32:30 UTC

Published: 2024-11-20 01:01:04 UTC
Section
Biology, Life Sciences & Basic Medicine