{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,9]],"date-time":"2026-09-09T19:42:48Z","timestamp":1788982968196,"version":"build-2803163510"},"reference-count":131,"publisher":"MDPI AG","issue":"23","license":[{"start":{"date-parts":[[2021,12,2]],"date-time":"2021-12-02T00:00:00Z","timestamp":1638403200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100003725","name":"National Research Foundation of Korea","doi-asserted-by":"publisher","award":["2019R1A2C1005988"],"award-info":[{"award-number":["2019R1A2C1005988"]}],"id":[{"id":"10.13039\/501100003725","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJMS"],"abstract":"<jats:p>Neutrophils are innate immune phagocytes that play a key role in immune defense against invading pathogens. The main offensive mechanisms of neutrophils are the phagocytosis of pathogens, release of granules, and production of cytokines. The formation of neutrophil extracellular traps (NETs) has been described as a novel defense mechanism in the literature. NETs are a network of fibers assembled from chromatin deoxyribonucleic acid, histones, and neutrophil granule proteins that have the ability to kill pathogens, while they can also cause toxic effects in hosts. Activated neutrophils with NET formation stimulate autoimmune responses related to a wide range of inflammatory autoimmune diseases by exposing autoantigens in susceptible individuals. The association between increased NET formation and autoimmunity was first reported in antineutrophil cytoplasmic antibody-related vasculitis, and the role of NETs in various diseases, including systemic lupus erythematosus, rheumatoid arthritis, and psoriasis, has since been elucidated in research. Herein, we discuss the mechanistic role of neutrophils, including NETs, in the pathogenesis of systemic juvenile idiopathic arthritis (SJIA) and adult-onset Still\u2019s disease (AOSD), and provide their clinical values as biomarkers for monitoring and prognosis.<\/jats:p>","DOI":"10.3390\/ijms222313038","type":"journal-article","created":{"date-parts":[[2021,12,2]],"date-time":"2021-12-02T21:19:08Z","timestamp":1638479948000},"page":"13038","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":39,"title":["An Update on the Pathogenic Role of Neutrophils in Systemic Juvenile Idiopathic Arthritis and Adult-Onset Still\u2019s Disease"],"prefix":"10.3390","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2827-0884","authenticated-orcid":false,"given":"Ji-Won","family":"Kim","sequence":"first","affiliation":[{"name":"Department of Rheumatology, Ajou University School of Medicine, Suwon 16499, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mi-Hyun","family":"Ahn","sequence":"additional","affiliation":[{"name":"Department of Rheumatology, Ajou University School of Medicine, Suwon 16499, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ju-Yang","family":"Jung","sequence":"additional","affiliation":[{"name":"Department of Rheumatology, Ajou University School of Medicine, Suwon 16499, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6156-393X","authenticated-orcid":false,"given":"Chang-Hee","family":"Suh","sequence":"additional","affiliation":[{"name":"Department of Rheumatology, Ajou University School of Medicine, Suwon 16499, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2609-3367","authenticated-orcid":false,"given":"Hyoun-Ah","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Rheumatology, Ajou University School of Medicine, Suwon 16499, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2021,12,2]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"565","DOI":"10.1016\/j.it.2019.04.012","article-title":"Neutrophil diversity in health and disease","volume":"40","author":"Fridlender","year":"2019","journal-title":"Trends Immunol."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"432","DOI":"10.1159\/000487756","article-title":"Neutrophils and bacterial immune evasion","volume":"10","author":"Kobayashi","year":"2018","journal-title":"J. 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