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Basic fibroblast growth factor regulates phosphate/pyrophosphate regulatory genes in stem cells isolated from human exfoliated deciduous teeth

机译:碱性成纤维细胞生长因子调节人脱落乳牙分离出的干细胞中的磷酸盐/焦磷酸盐调节基因

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摘要

BackgroundBasic fibroblast growth factor (bFGF) regulates maintenance of stemness and modulation of osteo/odontogenic differentiation and mineralization in stem cells from human exfoliated deciduous teeth (SHEDs). Mineralization in the bones and teeth is in part controlled by pericellular levels of inorganic phosphate (Pi), a component of hydroxyapatite, and inorganic pyrophosphate (PPi), an inhibitor of mineralization. The progressive ankylosis protein (gene ANKH; protein ANKH) and ectonucleotide pyrophosphatase phosphodiesterase 1 (ENPP1/ENPP1) increase PPi and inhibit mineralization, while tissue-nonspecific alkaline phosphatase (ALPL; TNAP) is a critical pro-mineralization enzyme that hydrolyzes PPi. We hypothesized that regulation by bFGF of mineralization in SHEDs occurs by modulation of Pi/PPi-associated genes.
机译:背景基本成纤维细胞生长因子(bFGF)调节人类脱落乳牙(SHEDs)干细胞的干性维持以及骨/牙源性分化和矿化的调节。骨骼和牙齿中的矿化部分受细胞周围水平的无机磷(Pi)(羟基磷灰石的一种成分)和无机焦磷酸盐(PPi)(矿化的抑制剂)控制。进行性强直性强直蛋白(基因ANKH;蛋白ANKH)和外核苷酸焦磷酸酶磷酸二酯酶1(ENPP1 / ENPP1)增加PPi并抑制矿化作用,而组织非特异性碱性磷酸酶(ALPL; TNAP)是水解PPi的关键矿化前关键酶。我们假设SHEDs中bFGF矿化的调控是通过调节Pi / PPi相关基因而发生的。

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