Background: Idiopathic nephrotic syndrome (INS) is a heterogenous disease and current classification is based on observational responses to therapies or kidney histology. The National Unified Renal Translational Research Enterprise (NURTuRE)-INS cohort aims to facilitate novel ways of stratifying INS patients to improve disease understanding, therapeutics and design of clinical trials.
Methods: NURTuRE-INS is a prospective cohort study of children and adults with INS in a linked biorepository.
Insulin signaling to the glomerular podocyte via the insulin receptor (IR) is critical for kidney function. In this study we show that near-complete knockout of the closely related insulin-like growth factor 1 receptor (IGF1R) in podocytes is detrimental, resulting in albuminuria and podocyte cell death . In contrast, partial podocyte IGF1R knockdown confers protection against doxorubicin-induced podocyte injury.
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