Cited by 1,450S100 Proteins and AnnexinsBiomarkers in Disease MechanismsNeutrophil, Myeloperoxidase and Oxidative Mechanisms

S100A8/A9 in Inflammation

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Wang, Siwen, Song, Rui, Wang, Ziyi, Jing, Zhaocheng, Wang, Shaoxiong, Ma, Jian·2018·Frontiers in Immunology

Abstract

S100A8 and S100A9 (also known as MRP8 ang MRP14, respectively) are Ca2+ binding proteins belonging to the S100 family. They often exist in the form of heterodimer, while homodimer exists very little because of the stability. S100A8/A9 is constitutively expressed in neutrophils and monocytes as a Ca2+ sensor, participating in cytoskeleton rearrangement and arachidonic acid metabolism. During inflammation, S100A8/A9 is released actively and exerts a critical role in modulating the inflammatory response by stimulating leukocyte recruitment and inducing cytokine secretion. S100A8/A9 serves as a candidate biomarker for diagnosis and follow-up as well as a predictive indicator of therapeutic responses to inflammation-associated diseases. As blockade of S100A8/A9 activity using small-molecule inhibitors or antibodies improves pathological conditions in murine models, the heterodimer has potential as a therapeutic target. In this review, we provide a comprehensive and detailed overview of the distribution and biological functions of S100A8/A9 and highlight its application as a diagnostic and therapeutic target in inflammation-associated diseases.

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Authors
Wang, S., Song, R., Wang, Z., Jing, Z., Wang, S., & Ma, J.
Affiliations
Central South University (CN)
Corresponding author
Ma, Jian
Venue
Frontiers in Immunology
Published
2018-06-11
Volume
9
Pages
1298-1298
ISSN
1664-3224 (ISSN-L)
OpenAlex
W2808305854
Cited by
1,450
References
165
Citations by year
2026: 176 · 2025: 217 · 2024: 248 · 2023: 225 · 2022: 236 · 2021: 184 · 2020: 119 · 2019: 40 · 2018: 4 · 2017: 1
FWCI
8.53
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Immunology (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Natural Science Foundation of China (81672889, 81472694)
  • Hunan Provincial Science and Technology Department (2016JC2035)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › S100 Proteins and Annexins
  • Life Sciences › Immunology and Microbiology › Immunology › Biomarkers in Disease Mechanisms
  • Life Sciences › Immunology and Microbiology › Immunology › Neutrophil, Myeloperoxidase and Oxidative Mechanisms
Keywords
S100A8/A9, S-100 protein, heterodimer, calcium-binding proteins, inflammation, neutrophils, monocytes, leukocyte recruitment, cytokine production, arachidonic acid metabolism, biomarkers, therapeutic target, small molecule inhibitors
MeSH terms
Animals, Disease Susceptibility, Gene Expression Regulation, Humans, Immunity, Inflammation, Biomarkers, Autoimmunity, Protein Transport, Calgranulin A, Calgranulin B, Host-Pathogen Interactions, Molecular Targeted Therapy

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