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Patterns and Sites of Tumor Necrosis Factor-α and Transforming Growth Factor-β1 Expression in Human Renal Allograft Biopsies

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Author(s)
K.K. ParkS.M. HanM.Y. JegalH.S. JeongJ.G. LeeH.C. Kim
Keimyung Author(s)
Park, Kwan KyuKim, Hyun Chul
Department
Dept. of Pathology (병리학)
Dept. of Internal Medicine (내과학)
Kidney Institute (신장연구소)
Journal Title
Transplantation Proceedings
Issued Date
2003
Volume
35
Issue
1
Abstract
The immune system is regulated by the release of cytokines which influence cellular activation, differentiation and function.1 Cytokines play a major role in inflammatory and immune responses that mediate allorecognition and rejection.2 A number of cytokines have been implicated in these responses. Tumor necrosis factor (TNF)-α a lymphocyte- and macrophage-derived cytokine with pleiotrophic actions, exerts proinflammatory functions that may play an important role in initiating the rejection response. There is an evidence for increased production of TNF-α among patients undergoing acute cellular rejection after transplantation based upon measurements of both serum levels and intragraft messenger RNA.³-⁴ Chronic allograft nephropathy, a relentlessly progressive process is a major cause of long-term graft dysfunction and ultimate failure. Given the prominent role of transforming growth factor (TGF)-β1 in tissue repair and in fibrosis, it is believed that intragraft levels of this cytokine are related to chronic allograft nephropathy. The pro-fibrotic effect of this cytokine include increased collagen production, decreased proteolytic enzyme content (eg, collagenase), and augmented protease inhibitor synthesis (eg, plasminogen activator inhibitor).5 Although elevated levels of TNF-α and TGF-β1 have been implicated in renal allograft rejection, the tissue distribution and cellular localization of cytokines during this process is not entirely clear.6 In this study, we evaluated the expression (sites and patterns of expression) of TNF-α and TGF-β1 by immunohistochemistry and in situ hybridization.
Keimyung Author(s)(Kor)
박관규
김현철
Publisher
School of Medicine
Citation
K.K. Park et al. (2003). Patterns and Sites of Tumor Necrosis Factor-α and Transforming Growth Factor-β1 Expression in Human Renal Allograft Biopsies. Transplantation Proceedings, 35(1), 249–250. doi: 10.1016/S0041-1345(02)03957-X
Type
Article
ISSN
0041-1345
Source
https://www.sciencedirect.com/science/article/pii/S004113450203957X?via%3Dihub
DOI
10.1016/S0041-1345(02)03957-X
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/34760
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Internal Medicine (내과학)
1. School of Medicine (의과대학) > Dept. of Pathology (병리학)
3. Research Institutues (연구소) > Kidney Institute (신장연구소)
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