Dysregulation of Lysyl Oxidases Expression in Diabetic Nephropathy and Renal Cell Carcinoma

Carolina Añazco*, Sebastián Cerro, Nicolás Pereira, Camila Rojas, Álvaro Torres, Isabel Vidal-Beltrán

*Autor correspondiente de este trabajo

Producción científica: Contribución a una revistaArtículo de revisiónrevisión exhaustiva

3 Citas (Scopus)


Lysyl oxidases (LOXs) are amino oxidase enzymes that catalyze the oxidative deamina-tion of lysine and hydroxylysine residues to form allysine, the first step towards the development of the final cross-linking reaction in collagens, a crucial macromolecule that reinforces extracellular matrices. Basement membranes are specialized extracellular matrices that are essential compo-nents of the glomerular filtration barrier, which also support tubular epithelial cells. Lysyl oxidases are post-translational enzymes indispensable for tissue architecture, participating actively in the development and function of kidneys. The differential expression and dysregulation of these enzymes promote diabetic nephropathy, one of the major complications observed in end-stage renal diseas-es. In addition, these enzymes act as transcription factors that trigger the epithelial-mesenchymal transition responsible for the generation of different cancers. In the kidney, the expression studies in physiological conditions identified LOXL1 and LOXL2 as constituent proteins of glomerular basement membranes. Besides, LOX and LOXL2 are upregulated in fibrosis and renal cell carcino-ma. The current review summarizes the physiological expression of LOXs enzymes in the nephrons, including glomerulus and tubules. Their roles in renal diseases are particularly highlight-ed in diabetic nephropathy and renal cell carcinoma, two pathophysiological conditions where these enzymes have been demonstrated to participate. The focus of the present study is to describe and discuss the current understanding in this field. The current potential of LOXs enzymes as a bio-marker and pharmacological target to kidney diseases that involves extracellular matrix cross-link-ing enzymes is also discussed. LOXs isoforms and their capacity as therapeutic targets could be used for diagnostic and prognostic purposes and in treating these renal complications.

Idioma originalInglés
Páginas (desde-hasta)1916-1925
Número de páginas10
PublicaciónCurrent Drug Targets
EstadoPublicada - 2021

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Publisher Copyright:
© 2021 Bentham Science Publishers.

Áreas temáticas de ASJC Scopus

  • Medicina molecular
  • Farmacología
  • Descubrimiento de medicamentos
  • Bioquímica clínica


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