Effect of metformin on proliferation and related genes expression of human osteoblast MG63 under high glucose
Xiao-Jun Cao, Bimin Shi, Xuan Du, Yongjing Chen
Abstract
Xiao-Jun Cao, Bimin Shi, Xuan Du, Yongjing Chen
Abstract
The proliferation of MG63 cells under high glucose intervened with metformin was measured by CCK-8 assay.The activity of intracellular alkaline phosphatase (ALP) was detected by SFBC assay.The expression of related genes was detected by RT-PCR.Metformin promoted the proliferation of MG63 cells (P<0.01),the activity of ALP was increased (P<0.05).The expressions of collagen Ⅰ and osteocalcin were up-regulated while the expressions of matrix metalloproteinase (MMP)-1,MMP-2,MMP-3,and MMP-8 were down-regulated (P<0.05).The results indicate that metformin may protect osteoblast,via promoting osteoblast proliferation,differentiation and mineralization,as well as by inhibiting degradation of osteoblast extracellular collagen matrix. Key words: Metformin; Osteoblasts; Proliferation; Matrix metalloproteinases
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The proliferation of MG63 cells under high glucose intervened with metformin was measured by CCK-8 assay.The activity of intracellular alkaline phosphatase (ALP) was detected by SFBC assay.The expression of related genes was detected by RT-PCR.Metformin promoted the proliferation of MG63 cells (P<0.01),the activity of ALP was increased (P<0.05).The expressions of collagen Ⅰ and osteocalcin were up-regulated while the expressions of matrix metalloproteinase (MMP)-1,MMP-2,MMP-3,and MMP-8 were down-regulated (P<0.05).The results indicate that metformin may protect osteoblast,via promoting osteoblast proliferation,differentiation and mineralization,as well as by inhibiting degradation of osteoblast extracellular collagen matrix. Key words: Metformin; Osteoblasts; Proliferation; Matrix metalloproteinases
Key concepts: Osteoblast, Metformin, Endocrinology, Internal medicine, Osteocalcin, Alkaline phosphatase, Matrix metalloproteinase, Extracellular matrix