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. Author manuscript; available in PMC: 2013 Sep 23.
Published in final edited form as: Adv Exp Med Biol. 2012;728:126–157. doi: 10.1007/978-1-4614-0887-1_9

Table 3.

Factors that downregulate renal Klotho in CKD setting

Loss of functional kidney mass
Abnormal cytokine production
  TNF-α ↑
  IFN-γ ↑
Oxidative stress
  H2O2
  Lipid peroxidation ↑
Over activation of renal RAS
  Ang II ↑
Abnormal hormone
  1,25-VD3
Disturbed mineral metabolism
  Pi overload
  Blood Pi ↑
Small uremic toxin
  Indoxyl sulphate ↑