The shape of a cell is critical for proper signaling and resultant biological function [1]. Podocytes, kidney visceral epithelial cells, have a distinctive morphology with interdigitating foot processes that wrap around the capillaries of the glomeruli and, together with endothelial cells and the basement membrane, form the glomerular filtration barrier. In addition to forming the filtration barrier, slit diaphragms that connect the alternating foot processes from two podocytes are thought to be signaling hubs that regulate cell morphology and function.

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