Mangiferin positively regulates osteoblast differentiation and suppresses osteoclast differentiation

Sekiguchi, Y; Mano, H; Nakatani, S; Shimizu, J; Kataoka, A; Ogura, K; Kimira, Y; Ebata, M; Wada, M

Sekiguchi, Y (reprint author), Josai Univ, Fac Pharmaceut Sci, Dept Clin Dietet & Human Nutr, 1-1 Keyakidai, Sakado, Saitama 3500295, Japan.

MOLECULAR MEDICINE REPORTS, 2017; 16 (2): 1328

Abstract

Mangiferin is a polyphenolic compound present in Salacia reticulata. It has been reported to reduce bone destruction and inhibit osteoclastic differentiation. This study aimed to determine whether mangiferin directly affects osteoblast and osteoclast proliferation and differentiation, and gene expression in MC3T3-E1 osteoblastic cells and osteoclast-like cells derived from primary mouse bone marrow macrophage cells. Mangiferin induced significantly greater WST-1 activity, indicating increased cell proliferation. Mangiferin induced significantly increased alkaline phosphatase staining, indicating greater cell differentiation. Reverse transcription-polymerase chain reaction (RT-PCR) demonstrated that mangiferin significantly increased the mRNA level of runt-related transcription factor 2 (RunX2), but did not affect RunX1 mRNA expression. Mangiferin significantly reduced the formation of tartrate-resistant acid phosphatase-positive multinuclear cells. RT-PCR demonstrated that mangiferin significantly increased the mRNA level of estrogen receptor beta (ER beta), but did not affect the expression of other osteoclast-associated genes. Mangiferin may inhibit osteoclastic bone resorption by suppressing differentiation of osteoclasts and promoting expression of ER beta mRNA in mouse bone marrow macrophage cells. It also has potential to promote osteoblastic bone formation by promoting cell proliferation and inducing cell differentiation in preosteoblast MC3T3-E1 cells via RunX2. Mangiferin may therefore be useful in improving bone disease outcomes.

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