Nathan S Gasek, Pengyi Yan, Junyu Zhu, K-Raman Purushothaman, Taewan Kim, Lichao Wang, Binsheng Wang, William F Flynn, Mingda Sun, Chun Guo, Billy Huggins, Roshanak Sharafieh, Yueying Zhou, Vojtech Parizek, Tamar Tchkonia, James L Kirkland, Saranya P Wyles, Ming Xu
{"title":"Clearance of p21 highly expressing senescent cells accelerates cutaneous wound healing.","authors":"Nathan S Gasek, Pengyi Yan, Junyu Zhu, K-Raman Purushothaman, Taewan Kim, Lichao Wang, Binsheng Wang, William F Flynn, Mingda Sun, Chun Guo, Billy Huggins, Roshanak Sharafieh, Yueying Zhou, Vojtech Parizek, Tamar Tchkonia, James L Kirkland, Saranya P Wyles, Ming Xu","doi":"10.1038/s43587-024-00755-4","DOIUrl":null,"url":null,"abstract":"<p><p>While senescent cells have detrimental roles in several contexts, they are highly heterogeneous. p16 highly expressing senescent cells have been reported to exert beneficial functions in wound healing. Here we use Xenium spatial transcriptomics to identify a distinct p21 highly expressing senescent population induced on wounding, with a pro-inflammatory profile. We find that clearing p21 highly expressing cells expedites wound closure and is partially mediated by NF-κB inhibition, thus enhancing our understanding of the multifaceted functions of senescence in tissue remodeling.</p>","PeriodicalId":94150,"journal":{"name":"Nature aging","volume":" ","pages":""},"PeriodicalIF":17.0000,"publicationDate":"2024-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nature aging","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1038/s43587-024-00755-4","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CELL BIOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
While senescent cells have detrimental roles in several contexts, they are highly heterogeneous. p16 highly expressing senescent cells have been reported to exert beneficial functions in wound healing. Here we use Xenium spatial transcriptomics to identify a distinct p21 highly expressing senescent population induced on wounding, with a pro-inflammatory profile. We find that clearing p21 highly expressing cells expedites wound closure and is partially mediated by NF-κB inhibition, thus enhancing our understanding of the multifaceted functions of senescence in tissue remodeling.
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