Abstract:We read with interested the article by Couasnay and colleagues reporting a new role for PiT1 protein, independent of its inorganic phosphate (Pi) transport function, in the regulation and homeostasis of the endoplasmic reticulum (ER) in chondrocytes. (1) The authors showed that PiT1 is necessary for the maintenance, differentiation, and survival of chondrocytes in the growth plate during endochondral ossification. PiT1 protein is encoded by SLC20A1 gene, which, together with PiT2, encoded by SLC20A2, comprises… Show more
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