Abstract
Whole organ molecular analysis of the kidney potentially misses important factors involved in the pathogenesis of the glomerular disease. Organ-wide analysis therefore needs to be augmented by techniques that isolate enriched populations of glomeruli. Herein, we describe how differential sieving can be used to isolate a suspension of rat glomeruli from fresh tissue. Secondly, we also show how these can be used for the propagation of primary mesangial cell cultures. These protocols provide a practical approach for protein and RNA isolation for downstream analysis. These techniques are readily applicable to studies in isolated glomeruli in both experimental animal models and human kidney tissue.
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