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Increasing Transforming Growth Factor Beta-1 and its Receptor Expression in Human Myocardium with End-Stage Congestive Heart Failure.
Published online by Cambridge University Press: 02 July 2020
Extract
Transforming growth factor-beta (TGF-β) is a growth-regulating peptide that has been shown to enhance collagen production both in vivo and in vitro. The previous studies demonstrated that TGF-β 1 is present in the normal animal myocardium. However, the expression and localization of TGF-β 1 and TGF-P receptor in human myocardium remain unclear. Therefore, the present study was designed to determine the TGF-β 1 and its receptor in human myocardium in normal subjects and in patients with end-stage congestive heart failure (CHF).
Human ventricular tissues were obtained from five normal subjects and five patients with end-stage CHF during cardiac transplantation. TGF-β 1 and TGF-beta type I receptor (TGF-βRI) were determined by immunohistochemical staining (IHCS). The results of IHCS was evaluated by staining density scores (0, no staining; 1, minimal staining; 2, mild staining; 3, moderate staining; and 4, strong staining). The positive staining area (+%) in entire section was also determined.
- Type
- Pathology
- Information
- Microscopy and Microanalysis , Volume 6 , Issue S2: Proceedings: Microscopy & Microanalysis 2000, Microscopy Society of America 58th Annual Meeting, Microbeam Analysis Society 34th Annual Meeting, Microscopical Society of Canada/Societe de Microscopie de Canada 27th Annual Meeting, Philadelphia, Pennsylvania August 13-17, 2000 , August 2000 , pp. 612 - 613
- Copyright
- Copyright © Microscopy Society of America