Authors of the Outreach book "The Weight of Obesity in the 21st Century" at radio program Foro Ciudadano

Enrique Brandan

Investigación

Muscular Fibrosis

Fibrosis is the natural consequence of tissue repair and aging, but is also promoted by diverse diseases and can have a genetic component, as epitomized by Duchenne muscle dystrophy (DMD). The fibrotic disorders  are characterized by an excessive scar tissue accumulation, that replacing the normal tissue, causes the malfunctioning of tissues and organs. A predominant compromise of heart, lung, kidney or skeletal muscle usually cause severe health weaknesses. Present treatments are ineffective, mainly because their lack in target specificity. Expect to disclose new approaches to preclude pathogenic fibrosis in general, applicable to other organs and situations. The approaches include "upstream" mechanisms dealing with the production of factors that modulate fibrosis and "downstream" mechanisms regulating intracellular signaling. From the experimental approaches to skeletal muscle and renal fibrosis, crossed experiments will be done to disclose the common mechanisms that might be involved. Thus, the antifibrotic hormones that are effective in the kidney will be use in the models of muscle fibrosis and vice-versa.

Objetivs:

  • Skeletal muscle differentiation
  • Skeletal muscle regeneration and fibrosis Role of CTGF
Referencias Seleccionadas
Autor(es) Título Fecha
Vial C, Zúñiga LM, Cabello-Verrugio C, Cañón P, Fadic R, Brandan E. Skeletal muscle cells express the profibrotic cytokine connective tissue growth factor (CTGF/CCN2), which induces their dedifferentiation. J Cell Physiol. 2008 May;215(2):410-21. 0
Colombres M, Henríquez JP, Reig GF, Scheu J, Calderón R, Alvarez A, Brandan E, Inestrosa NC. Heparin activates Wnt signaling for neuronal morphogenesis. J Cell Physiol. 2008 Sep;216(3):805-15 0
Brandan E, Cabello-Verrugio C, Vial C. “Novel regulatory mechanisms for the proteoglycans decorin and biglycan during muscle formation and muscular dystrophy”. Matrix Biol 22 / 332-41. 2008 0
Valeria Mezzano, Daniel Cabrera, Cecilia Vial and Enrique Brandan “Constitutively activated dystrophic muscle fibroblasts show a paradoxical response to TGF-β and CTGF/CCN2”. J. Cell Commun. Signal. DOI 10.1007/s12079-008. 2008 0
Nguyen TQ, Roestenberg P, van Nieuwenhoven FA, Bovenschen N, Li Z, Xu L, Oliver N, Aten J, Joles JA, Vial C, Brandan E, Lyons KM, Goldschmeding R. “CTGF inhibits BMP-7 signaling in diabetic nephropathy.” J Am Soc Nephrol Nov;19(11): 2098-107. 2008 0
Vial C, Zúñiga LM, Cabello-Verrugio C, Cañón P, Fadic R, Brandan E. “Skeletal muscle cells express the profibrotic cytokine connective tissue growth factor (CTGF/CCN2), which induces their dedifferentiation”. J Cell Physiol May;215(2) 410-21. 2 0
Mezzano V, Cabrera D, Vial C, Brandan E. Constitutively activated dystrophic muscle fibroblasts show a paradoxical response to TGF-beta and CTGF/CCN2. J Cell Commun Signal. 2007 Dec;1(3-4):205-217. 0

Academic CV

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Pontificia Universidad Católica