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Clin Exp Nephrol ; 28(6): 496-504, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38402504

RESUMO

A critical degree of podocyte depletion causes glomerulosclerosis, and persistent podocyte loss in glomerular diseases drives the progression to end-stage kidney disease. The extent of podocyte injury at a point in time can be histologically assessed by measuring podocyte number, size, and density ("Biopsy podometrics"). However, repeated invasive renal biopsies are associated with increased risk and cost. A noninvasive method for assessing podocyte injury and depletion is required. Albuminuria and proteinuria do not always correlate with disease activity. Podocytes are located on the urinary space side of the glomerular basement membrane, and as they undergo stress or detach, their products can be identified in urine. This raises the possibility that urinary podocyte products can serve as clinically useful markers for monitoring glomerular disease activity and progression ("Urinary podometrics"). We previously reported that urinary sediment podocyte mRNA reflects disease activity in both animal models and human glomerular diseases. This includes diabetes and hypertension which together account for 60% of new-onset dialysis induction patients. Improving approaches to preventing progression is an urgent priority for the renal community. Sufficient evidence now exists to indicate that monitoring urinary podocyte markers could serve as a useful adjunctive strategy for determining the level of current disease activity and response to therapy in progressive glomerular diseases.


Assuntos
Biomarcadores , Podócitos , Podócitos/patologia , Humanos , Biomarcadores/urina , Animais , Insuficiência Renal Crônica/urina , Insuficiência Renal Crônica/patologia , Insuficiência Renal Crônica/diagnóstico , Progressão da Doença , Proteinúria/urina , Proteinúria/etiologia , Injúria Renal Aguda/urina , Injúria Renal Aguda/patologia , Injúria Renal Aguda/terapia , Injúria Renal Aguda/etiologia
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