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Year : 2017  |  Volume : 13  |  Issue : 50  |  Page : 293-299

Anti-differentiation effect of B, D-seco limonoids of Swietenia mahogani

1 College of Pharmacy, Kangwon National University, Chuncheon, Republic of Korea
2 College of Pharmacy and Research Institute of Pharmaceutical Science, Seoul National University, Seoul, Republic of Korea

Correspondence Address:
Prof. Sang Hyun Sung
College of Pharmacy and Research, Institute of Pharmaceutical Science, Seoul National University, Seoul
Republic of Korea
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0973-1296.204549

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Background: Obesity is a pathological state caused by abnormal or excessive accumulation of fat. Swietenia mahogani JACQ., known as West Indian mahogany, is a medium-sized semi-evergreen tree belonging to Meliaceae. Their seeds are used in Indonesian folk medicine as a treatment for hypertension, diabetes, malaria, and it also has anti-feedant activities. The major components of S. mahogani are B, D-seco limonoids, a type of irregular triterpenes are well known. Objective: We tried to find the bioactive components, which have the inhibitory activity on adipocyte differentiation from the seeds of S. mahogani. Material and Methods: 3T3-L1 cells, derived from mouse preadipocyte, are widely used in studying adipogenesis process. In this study, we used 3T3-L1 cells to find natural products with the inhibitory activity on adipocyte differentiation. S. mahogani seeds were dried and extracted with 100% MeOH. Results: The methanolic extract was fractionated by bioassay-guided method to give nine B, D-seco limonoids (1-9) with slight structural modifications. Among nine compounds, compounds 4, 6 and 8 exhibited significant inhibitory effects of cell differentiation on 3T3-L1 cells. Those compounds have tigloyl residue at C-3 in common. Besides, compounds with no tigloyl residue at C-3 showed insignificant effect. Nevertheless, not all compounds with tigloyl residue at C-3 exerted significant inhibitory effect. Conclusion: These results suggested that tigloyl residue at C-3 may play a role in the anti-proliferative activity on a dipogenesis and the refined extract of S. mahogani may have a potential to be developed as a therapeutic agent to treat obesity.

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