1.Anticholinesterase and Anti-inflammatory Constituents from Beilschmiedia pulverulenta Kosterm.
Wan Mohd Nuzul Hakimi Wan SALLEH ; Farediah AHMAD ; Khong Heng YEN ; Razauden Mohamed ZULKIFLI
Natural Product Sciences 2016;22(4):225-230
Phytochemical investigation from the stem bark of Beilschmiedia pulverulenta resulted in the isolation of five lignans, (+)-yangambin (1), (+)-sesartemin (2), (+)-excelsin (3), (+)-sesamin (4), and (+)-syringaresinol (5), together with lupeol (6), lupenone (7), β-sitosterol (8), and β-sitostenone (9). Their structures were established by the analysis of their spectroscopic (1D and 2D NMR) and spectrometric (MS) data, as well as by comparison with those reported in the literature. The isolated lignans were tested for their anticholinesterase (AChE: acetylcholine esterase and BChE: butyryl cholineesterase) and anti-inflammatory (COX-2: cyclooxygenase-2 and LOX: lipoxygenase) activities. All the isolated lignans (1 – 5) exhibited significant inhibition activities in AChE/BChE and COX-2/LOX assays with IC50 values ranging from 168.8 – 504.2 µM and 21.0 – 59.4 µM, respectively.
Acetylcholine
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Cyclooxygenase 2
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Inhibitory Concentration 50
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Lignans
2.Cytotoxic, Anti-Inflammatory and Adipogenic Effects of Inophyllum D, Calanone, Isocordato-oblongic acid, and Morelloflavone on Cell Lines.
Muhammad TAHER ; Amnani AMINUDDIN ; Deny SUSANTI ; Nurul Iman AMINUDIN ; Shamsul ON ; Farediah AHMAD ; Hanisuhana HAMIDON
Natural Product Sciences 2016;22(2):122-128
This paper reports in vitro cytotoxic, anti-inflammatory and adipocyte diffentiation with adipogenic effects of coumarins inophyllum D (1) and calanone (2), and a chromanone carboxylic acid namely isocordato-oblongic acid (3) isolated from Calophyllum symingtonianum as well as a biflavonoid morelloflavon e (4) isolated from Garcinia prainiana on MCF-7 breast adenocarcinoma RAW 264.7 macrophages and 3T3-L1 preadipocytes cells, respectively. The cytotoxicity study on MCF-7 cell was conducted by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. Meanwhile, the study of anti-inflammatory effects in RAW 264.7 macrophages and adipogenic effects on 3T3-L1 pre-adipocytes were conducted through nitrite determination assay and induction of adipocyte differentiation, respectively. In the cytotoxicity study, inophyllum D (1) was the only compounds that exhibited significant cytotoxic effect against MCF-7 cell with IC₅₀ of 84 µg/mL. Further, all by inhibiting the compounds have shown anti-inflammatory effects in lipopolysaccharide (LPS)-induced RAW 264.7 macrophages of nitrite concentration with production. In addition, the compounds also exhibited adipogenic effects on 3T3-L1 pre-adipocytes by stimulating lipid formation. Thus, this study may provide significant input in discovery of the potential effects cytotoxic, anti-inflammatory and adipogenic agents.
Adenocarcinoma
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Adipocytes
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Breast
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Calophyllum
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Cell Line*
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Coumarins
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Garcinia
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In Vitro Techniques
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Macrophages
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MCF-7 Cells