L-ascorbic acid 2-phosphate promotes osteoblastic differentiation of MC3T3-E1 mediated by accumulation of type I collagen.

L-ascorbic acid 2-phosphate promotes osteoblastic differentiation of MC3T3-E1 mediated by accumulation of type I collagen.
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L-抗坏血酸 2-磷酸促进 I 型胶原积累介导的 MC3T3-E1 成骨细胞分化。

DOI:
--
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发表时间:
1994
影响因子:
1.6
通讯作者:
N. Tsukagoshi
N. Tsukagoshi
中科院分区:
医学4区
文献类型:
--
作者:
Y. Torii;K. Hitomi;N. Tsukagoshi

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L-Ascorbic acid 2-phosphate(Asc-P:一种稳定的抗坏血酸衍生物)在小鼠成骨细胞系MC 3 T3-E1中显著刺激成骨细胞分化的标记蛋白如碱性磷酸酶和骨钙素的合成,表明Asc-P可以促进成骨细胞分化。L-氮杂环丁烷2-羧酸酯(AzC)由于其对成熟胶原分泌的抑制作用而减弱Asc-P对碱性磷酸酶和骨钙素合成的刺激作用。在涂有I型胶原的培养皿上生长的细胞导致成骨细胞表型的表达增加,即使在AzC的存在下。然而,用纤连蛋白包被未能促进分化。这些结果表明,Asc-P引起的细胞分化的促进作用是由成熟胶原的积累介导的。
L-Ascorbic acid 2-phosphate (Asc-P: a stable ascorbic acid derivative) markedly stimulated synthesis of marker proteins for osteoblastic differentiation such as alkaline phosphatase and osteocalcin in a murine osteoblastic cell line, MC3T3-E1, suggesting that Asc-P could promote osteoblastic differentiation. L-Azetidine 2-carboxylate (AzC) diminished the stimulatory effects of Asc-P on the synthesis of alkaline phosphatase and osteocalcin due to its inhibitory effects on mature collagen secretion. Growing cells on the dishes coated with type I collagen resulted in an increased expression of osteoblastic phenotypes even in the presence of AzC. Coating with fibronectin, however, failed to promote differentiation. These results suggest that the promotion of cell differentiation caused by Asc-P is mediated by the accumulation of mature collagen.
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影响因子: --
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