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Demethylbelamcandaquinone B from Marantodes pumilum ***(Blume)Kuntze inhibits osteoclast differentiation in RAW264.7 cells

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Asian Pacific Journal of Tropical Biomedicine 2021年第12期11卷 535-542页

作者： Haryati Ahmad Hairi Jamia Azdina Jamal Nor Ashila Aladdin Khairana Husain noor suhaili mohd sofi Norazlina Mohamed Isa Naina Mohamed Ahmad Nazrun Shuid Department of Biochemistry Faculty of MedicineManipal University College MalaysiaJalan Batu HamparBukit Baru75150 MelakaMalaysia Faculty of Pharmacy Universiti Kebangsaan MalaysiaJalan Raja Muda Abdul Aziz50300 Kuala LumpurMalaysia Department of Pharmacology Faculty of MedicinePreclinical BuildingUniversiti Kebangsaan MalaysiaJalan Yaacob LatiffBandar Tun RazakCheras56000 Kuala LumpurMalaysia Department of Pharmacology Faculty of MedicineUniversiti Teknologi MaraJalan Hospital47000 Sungai BulohSelangorMalaysia

Objective:To investigate the bone-resorbing effect of demethylbelamcandaquinone B(Dmcq B)extracted from Marantodes pumilum *** on osteoclast differentiation in RAW264.7 ***:RAW264.7 macrophages were differentiated using RANKL into osteoclast-like ***,they were treated with 10μg/mL Marantodes pumilum *** crude aqueous extract,5μg/mL dichloromethane fraction,and 0.6μg/mL Dmcq B and 0.06μg/mL ***-resistant acid phosphatase 5b(TRACP 5b)as an osteoclast phenotypic marker was determined by TRACP staining and TRACP 5b colometric assay,and bone-resorbing pits were *** gene expression of pro-inflammatory cytokines(TNF-αand IL-6)was ***,the protein expressions of pro-inflammatory cytokines(TNF-αand IL-6)and estrogen receptors were ***:Marantodes pumilum *** crude aqueous extract and Dmcq B inhibited RANKL-stimulated osteoclast differentiation as evidenced by size reduction of giant multinucleated osteoclast cells,decreased TRACP 5b activity as well as the subsiding of resorbed pit area compared with normal *** addition,they reduced the gene and protein expressions of TNF-αand *** pumilum ***,Dmcq B,and estradiol treatments increased the protein expressions of estrogen receptors alpha and beta in ***:Marantodes pumilum *** and its active compound,Dmcq B can inhibit osteoclast differentiation.

关键词： Marantodes pumilum var.alata Phytoestrogen RAW264.7 induced-osteoclast Bone-resorbing effect

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