Schematic localization of connexin and pannexin isoforms in the kidney (AA, afferent arteriole, ATL ascending thin limb of the loop of Henle, CCD cortical collecting duct, CNT connecting tubule, DCT distal convoluted tubule, EA efferent arteriole, GC glomerular capillaries, JGC juxtaglomerular cells, MC mesangial cells, MCD medullary collecting duct, PC podocytes, PT proximal tubule, TAL thick ascending limb of the loop of Henle)