Beatrice Dyring-Andersen1,2,3,4, Marianne Bengtson Løvendorf5, Fabian Coscia1 , Alberto Santos1 , Line Bruun Pilgaard Møller1 , Ana R. Colaço1 , Lili Niu1 , Michael Bzorek6, Sophia Doll7, Jørgen Lock Andersen8, Rachael A. Clark2, Lone Skov 4, Marcel B. M. Teunissen 9 & Matthias Mann 1,7✉
Human skin provides both physical integrity and immunological protection from the external environment using functionally distinct layers, cell types and extracellular matrix. Despite its central role in human health and disease, the constituent proteins of skin have not been systematically characterized. Here, we combine advanced tissue dissection methods, flow cytometry and state-of-the-art proteomics to describe a spatially-resolved quantitative pro-teomic atlas of human skin. We quantify 10,701 proteins as a function of their spatial location and cellular origin. The resulting protein atlas and our initial data analyses demonstrate the value of proteomics for understanding cell-type diversity within the skin. We describe the quantitative distribution of structural proteins, known and previously undescribed proteins specific to cellular subsets and those with specialized immunological functions such as cytokines and chemokines. We anticipate that this proteomic atlas of human skin will become an essential community resource for basic and translational research (https://skin.science/).
1Novo Nordisk Foundation (NNF) Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark. 2Department of Dermatology, Brigham and Women’s Hospital and Harvard Medical School, Boston, USA. 3 Leo Foundation Skin Immunology Research Center, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark. 4Department of Dermatology and Allergology, Herlev and Gentofte Hospital, University of Copenhagen, Hellerup, Denmark. 5 Center for RNA Medicine, Department of Clinical Medicine, Aalborg University, Copenhagen, Denmark. 6Department of Surgical Pathology, Zealand University Hospital, Næstved, Denmark. 7Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Martinsried, Germany. 8Department of Plastic and Breast Surgery, Zealand University Hospital, Roskilde, Denmark. 9Department of Dermatology, Amsterdam University Medical Centers, location AMC, Amsterdam, Netherlands. ✉email: 该Email地址已收到反垃圾邮件插件保护。要显示它您需要在浏览器中启用JavaScript。
Jing Ma1,2, Mengting Liu1,2, Yaochi Wang1,2, Cong Xin1,2, Hui Zhang1,2, Shirui Chen1,2, Xiaodong Zheng1,2, Xuejun Zhang1,2, Fengli Xiao1,2,3 , Sen Yang1,2
1Department of Dermatology of First Affiliated Hospital, and Institute of Dermatology, Anhui Medical University, Hefei, Anhui, China
2 Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, Hefei, Anhui, China
3 The Center for Scientific Research of Anhui Medical University, Hefei, Anhui, China
Correspondence to: Sen Yang, Fengli Xiao;
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Keywords: aging, epidermal proteins, skin rejuvenation and aging, proteome, mass spectrometer
Received: February 25, 2020
Accepted: May 27, 2020
Published:
Copyright: Ma et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY 3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
ABSTRACT
Skin aging is a specific manifestation of the physiological aging process that occurs in virtually all organisms In this study, we used data independent acquisition mass spectrometry to perform a comparative analysis of protein expression in volar forearm skin samples from of 20 healthy young and elderly Chinese individuals. Our quantitative proteomic analysis identified a total of 95 differentially expressed proteins (DEPs) in aged skin compared to young skin. Enrichment analyses of these DEPs (57 upregulated and 38 downregulated proteins) based on the GO, KEGG, and KOG databases revealed functional clusters associated with immunity and inflammation, oxidative stress, biosynthesis and metabolism, proteases, cell proliferation, cell differentiation, and apoptosis. We also found that GAPDH, which was downregulated in aged skin samples, was the top hub gene in a protein-protein interaction network analysis. Some of the DEPs identified herein had been previously correlated with aging of the skin and other organs, while others may represent novel age-related entities. Our non-invasive proteomics analysis of human epidermal proteins may guide future research on skin aging to help develop treatments for age-related skin conditions and rejuvenation.
伤口世界平台生态圈，以“关爱人间所有伤口患者”为愿景，连接、整合和拓展线上和线下的管理慢性伤口的资源，倡导远程、就近和居家管理慢性伤口，解决伤口专家的碎片化时间的价值创造、诊疗经验的裂变复制、和患者的就近、居家和低成本管理慢性伤口的问题。
2019广东省医疗行业协会伤口管理分会年会
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