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. Author manuscript; available in PMC: 2009 Oct 2.
Published in final edited form as: Proc Nutr Soc. 2007 Nov;66(4):512–521. doi: 10.1017/S0029665107005836

Fig. 3.

Fig. 3

The potential involvement of klotho in the calcium–phosphorus–vitamin D homeostatic system. PTH, parathyroid hormone; TRPV5, TRPV6, transient receptor potential cation channel, subfamily V, members 5 and 6 respectively; 1αOHase, 25-hydroxyvitamin D-1α-hydroxylase; 1,25(OH)2D, 1,25-dihydroxyvitamin D; NTP2a, NTP2b, Na–phosphate cotransporters; Pi, inorganic phosphorus; FGF, fibroblast growth factor; FGFR, FGF receptor; +, increased; −, decreased.