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. 2020 Oct 9;183:114278. doi: 10.1016/j.bcp.2020.114278

Fig. 8.

Fig. 8

The role of acid-base transporters and carbonic anhydrases (CAs) in bone remodeling. Osteoclasts secrete acid onto the bone surface to resorb minerals during bone growth/remodeling and in response to hormonal requirements for release of mineralized Ca2+ and phosphate. One report suggested an off-target bone-sparing effect of CA inhibitors, used to treat glaucoma, in a group of post-menopausal women. NHE1: Na+/H+ exchanger 1; AE2: Cl/HCO3 exchanger 2; CAII: carbonic anhydrase II; NBCn1: electroneutral Na+/HCO3 cotransporter.