{"title":"Mucosal implications of oral Jak3-targeted drugs in COVID patients.","authors":"Narendra Kumar, Daniel Segovia, Priyam Kumar, Hima Bindu Atti, Soaham Kumar, Jayshree Mishra","doi":"10.1186/s10020-025-01260-z","DOIUrl":null,"url":null,"abstract":"<p><p>The JAK family, particularly JAK3, plays a crucial role in immune signaling and inflammatory responses. Dysregulated JAK3 activation in SARS-CoV-2 infections has been associated with severe inflammation and respiratory complications, making JAK inhibitors a viable therapeutic option. However, their use raises concerns regarding immunosuppression, which could increase susceptibility to secondary infections. While long-term adverse effects are less of a concern in acute COVID-19 treatment, patient selection and monitoring remain critical. Furthermore, adverse effects associated with oral JAK3 inhibitors necessitate the exploration of alternative strategies to optimize therapeutic efficacy while minimizing risks. This review highlights the role of JAK3 in immune and epithelial cells, examines the adverse effects of oral JAK3 inhibitors in COVID-19 and other treatments, and discusses alternative therapeutic strategies for improving patient outcomes.</p>","PeriodicalId":18813,"journal":{"name":"Molecular Medicine","volume":"31 1","pages":"203"},"PeriodicalIF":6.0000,"publicationDate":"2025-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12100796/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Molecular Medicine","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1186/s10020-025-01260-z","RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"BIOCHEMISTRY & MOLECULAR BIOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
The JAK family, particularly JAK3, plays a crucial role in immune signaling and inflammatory responses. Dysregulated JAK3 activation in SARS-CoV-2 infections has been associated with severe inflammation and respiratory complications, making JAK inhibitors a viable therapeutic option. However, their use raises concerns regarding immunosuppression, which could increase susceptibility to secondary infections. While long-term adverse effects are less of a concern in acute COVID-19 treatment, patient selection and monitoring remain critical. Furthermore, adverse effects associated with oral JAK3 inhibitors necessitate the exploration of alternative strategies to optimize therapeutic efficacy while minimizing risks. This review highlights the role of JAK3 in immune and epithelial cells, examines the adverse effects of oral JAK3 inhibitors in COVID-19 and other treatments, and discusses alternative therapeutic strategies for improving patient outcomes.
期刊介绍：
Molecular Medicine is an open access journal that focuses on publishing recent findings related to disease pathogenesis at the molecular or physiological level. These insights can potentially contribute to the development of specific tools for disease diagnosis, treatment, or prevention. The journal considers manuscripts that present material pertinent to the genetic, molecular, or cellular underpinnings of critical physiological or disease processes. Submissions to Molecular Medicine are expected to elucidate the broader implications of the research findings for human disease and medicine in a manner that is accessible to a wide audience.
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