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Efek biji mahkota dewa terhadap ekspresi Anis Widyasari; Yudanti Riastiti; Indwiani Astuti; Rina Susilowati; . Harijadi
Journal of the Medical Sciences (Berkala Ilmu Kedokteran) Vol 38, No 01 (2006)
Publisher : Journal of the Medical Sciences (Berkala Ilmu Kedokteran)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (332.738 KB)

Abstract

The effect of mahkota dewa seed (Phaleria macrocarpa (Schaff. Bowl.) on active caspase-3 expression in WiDr Ca colon cell line Background: Mahkota dewa (MD, Phaleria macrocarapa (Schaff) BoerII.) is widely used for cancer therapy, but its mechanism as anticancer has not been known yet. Recently, ethanol extract of MD seed has been shown to have cytotoxic effect on WiDr Ca colon cell line. Objective: The purpose of this study is to know active caspase-3 expression in WiDr Ca colon cell fine after MD treatment. Methods: WiDr Ca colon cell line was incubated with ethanol extract of MD seed in three concentrations for 48 hours. Active caspase-3 expression was shown using immunohistochemistry method. Results: In the cell line treated with ethanol extract of MD seed 11.35 uglml (1/2 IC50), 22.7 ug/mI (IC,) and 45.4 ug/ml (2x1050), immunopositive cells had been found to be 20.4%, 49% and 63%, respectively. The cell line treated with 5-Fluorouracil (5-FU) in IC50 dosage only had 27.4% imunopositive cell. ConclUsion: Ethanol extract of MD seed had cytotoxic effect on WiDr cell line through the increased active caspase 3 expression. The effect was greater than 5-FU. Key words: Mahkota Dewa, WiDr cell line, Caspase 3, apoptosis, 5 FU
Magnesium intake and insulin resistance in obese adolescent girls Harry Freitag Luglio Muhammad; Emy Huriyati; Rina Susilowati; Madarina Julia
Paediatrica Indonesiana Vol 49 No 4 (2009): July 2009
Publisher : Indonesian Pediatric Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (110.325 KB) | DOI: 10.14238/pi49.4.2009.200-4

Abstract

Background The worldwide increase in the prevalence ofcardiovascular diseases in adulthood is related to obesity inchildren and adolescents. Insulin resistance and hyperinsulinemia observed in obese individuals are the precursors of cardiovascular diseases and type 2 diabetes mellitus. Magnesium, through its action on insulin receptors, is proposed to be an important factor in preventing insulin resistance.Objective The aim of this study was to assess the associationbetween magnesium intake and insulin resistance in obeseadolescent girls.Methods This was a cross-sectional study on obese adolescentgirls in Yogyakarta, Indonesia. Insulin resistance was defined as a HOMA-IR index of3.16 or more. HOMA-IR was calculated usingfasting insulin and plasma glucose levels. Magnesium intake andenergy adjusted magnesium intake were measured using a 24-hour food recall method on 6 non-consecutive days.Results Of 7 8 obese adolescent girls included in our study, 56% of them were found to be insulin resistant. Magnesium intake was only 61 o/o of the recommended daily requirement for adolescent girls. There were no significant associations between magnesium intake and either HOMA-IR or hyperinsulinemia.Conclusion Our study does not find an association betweeninsulin resistance and magnesium intake in obese adolescent girls.