Osteogenic potential of hexane and dichloromethane fraction of Cissus quadrangularis on murine preosteoblast cell line MC3T3-E1 (subclone 4) |
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Authors: | Rabail H Toor Shabana Malik Haleema Qamar Faiza Batool Maira Tariq Zainab Nasir Raazia Tassaduq Jane B Lian Janet L Stein Gary S Stein Abdul R Shakoori |
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Institution: | 1. School of Biological Sciences, Quaid-i-Azam Campus, University of the Punjab, Lahore, Pakistan;2. Department of Biotechnology, Kinnaird College for Women, Lahore, Punjab, Pakistan;3. Department of Biochemistry, University of Vermont College of Medicine, Burlington, Vermont |
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Abstract: | In continuation of the investigation of osteogenic potential of solvent fractions of ethanolic extract of Cissus quadrangularis (CQ), an ancient medicinal plant, most notably known for its bone-healing properties, to isolate and identify antiosteoporotic compounds. In the current study, we report the effect of hexane fraction (CQ-H) and dichloromethane fraction (CQ-D) of CQ on the differentiation and mineralization of mouse preosteoblast cell line MC3T3-E1 (subclone 4). Growth, viability, and proliferation assays revealed that low concentrations (0.1, 1, and 100 ng/ml) of both solvent fractions were nontoxic, whereas higher concentrations were toxic to the cells. Differentiation and mineralization of MC3T3-E1 with nontoxic concentrations of CQ-D and CQ-H revealed that CQ-D delayed the mineralization of MC3T3-E1 cells. However, early and enhanced mineralization was observed in cultures treated with nontoxic concentrations of CQ-H, as indicated by Von Kossa staining and expression profile of osteoblast marker genes such as osterix, Runx2, alkaline phosphatase (ALP), collagen (Col1a1), integrin-related bone sialoprotein (IBSP), osteopontin (OPN), and osteocalcin (OCN). These findings suggest CQ-H as the most efficacious solvent fraction for further investigation to isolate and identify the active compounds in CQ-H. |
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Keywords: | alizarin red S staining alkaline phosphatase Cissus quadrangularis osteoblast differentiation osteoblast marker genes osteocalcin gene expression osterix gene expression Runx2 gene expression Von Kossa staining |
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