BIOMARCADORES TEMPRANOS EN NEFROPATIA DIABÉTICA <span class="so-article-trans-title" dir="auto"> Translated title: EARLY BIOMARKER IN DIABETIC NEPHROPATHY </span>

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Abstract

RESUMEN La enfermedad renal diabética es una patología de presentación frecuente y una costosa complicación de la diabetes. Se considera una de las principales causas de insuficiencia renal e ingreso a Terapia de Reemplazo renal. En la práctica clínica, la enfermedad renal diabética se diagnostica por albuminuria, una disminución de la tasa de filtración glomerular estimada (eGFR), o ambos. Actualmente existe la posibilidad de detectar varios marcadores tempranos, como el CKD273, el mismo que se asoció con un mayor riesgo de progresión a microalbuminuria, siendo una alerta temprana de presentación de nefropatía diabetica, varios años antes de su presentación.

Translated abstract

SUMMARY Diabetic kidney disease is a common presenting condition and a costly complication of diabetes. It is considered one of the main causes of renal failure and admission to renal replacement therapy. In clinical practice, diabetic kidney disease is diagnosed by albuminuria, a decrease in estimated glomerular filtration rate (eGFR), or both. Currently, there is the possibility of detecting early markers such as CKD273, which was associated with an increased risk of progression to microalbuminuria, being an early warning of the presentation of diabetic nephropathy, several years before its presentation.

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Insights into Diabetic Kidney Disease Using Urinary Proteomics and Bioinformatics.

Julie Van, James W. Scholey, Ana Konvalinka (2017)

A number of proteomic and peptidomic analyses of urine from diabetic subjects have been published in the quest for a biomarker that predicts progression of nephropathy. Less attention has been paid to the relationships between urinary proteins and the underlying biological processes revealed by the analyses. In this review, we focus on the biological processes identified by studying urinary proteins and protein-protein interactions at each stage of diabetic nephropathy to provide an overview of the events underlying progression of kidney disease reflected in the urine. In uncomplicated diabetes, proteomic/peptidomic analyses indicate that early activation of fibrotic pathways in the kidney occurs before the onset of microalbuminuria. In incipient nephropathy, when albumin excretion rates are abnormal, proteomic/peptidomic analyses suggest that changes in glomerular permselectivity and tubular reabsorption account, at least in part, for the proteins and peptides that appear in the urine. Finally, overt nephropathy is characterized by proteins involved in wound healing, ongoing fibrosis, and inflammation. These findings suggest that there is a spectrum of biological processes in the diabetic kidney and that assessing protein networks may be more informative than individual markers with respect to the stage of disease and the risk of progression.