Bone marrow mononuclear cell transplantation rescues the glomerular filtration barrier and epithelial cellular junctions in a renovascular hypertension model

Experimental Physiology
Mariana OliveiraLais Carvalho

Abstract

What is the central question of this study? Can a single bone marrow mononuclear cell (BMMC) transplant into the subcapsular region of kidney improve cellular communication and adhesion, while restoring renal tissue cytoarchitecture and function during renovascular hypertension? What is the main finding and its importance? The BMMC transplantation restored connexin 40 expression and led to recovery of N- and E-cadherin levels within 15 days. It was observed, for the first time, that BMMC transplantation restores expression of nephrin, a component of the glomerular filtration barrier related to podocytes and the glomerular basal membrane. Stem cell therapy has emerged as a potential treatment for renal diseases owing to the regenerative potential of stem cells. However, a better understanding of the morphological and functional changes of damaged renal cells in the presence of transplanted stem cells is needed. The aim of this study was to investigate cell-cell communication and adhesion in renal parenchyma, with analysis of fibrosis, to evaluate renal morphology and function after bone marrow mononuclear cell (BMMC) transplantation in two-kidney-one-clip rats. The BMMC therapy significantly decreased blood pressure and renin ex...Continue Reading

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