Displaying publications 1 - 20 of 102 in total

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  1. Ng TK
    Med J Malaysia, 1993 Mar;48(1):12-6.
    PMID: 8341167
    Postprandial changes in plasma total cholesterol (TC) are minimal and there is essentially no difference between fasting vs random TC concentrations, as reflected in the small diurnal coefficient of variation (CV) for TC of 2.5%. Similarly, a cholesterol-rich meal within the last 24 hours lacked an impact on plasma TC. Thus, random specimens are acceptable in blood cholesterol screening. The intraindividual biological CV (CVb) for plasma TC as measured over a long period was estimated from the data of several published studies to be 6.0%, which, when combined with a probable analytical CV (CVa) of 5% during screening, gave a total intraindividual CV (CVt) of about 8% for the single cholesterol assay. There is consensus that 'high TC values' acquired during screening should be confirmed under the conventional laboratory setting capable of CVa of 3% or less.
    Matched MeSH terms: Triglycerides/blood
  2. Naharudin MNB, Yusof A
    Eur J Sport Sci, 2018 Jun;18(5):667-676.
    PMID: 29485326 DOI: 10.1080/17461391.2018.1438520
    Many physically active individuals have undertaken intermittent fasting to reduce their daily caloric intake. However, abstaining from meals for a specific length of time may lead to the acute disturbance of highly carbohydrate-dependent exercise performance. The purpose of this study was to observe the effect of 10 days of intermittent fasting on high-intensity type exercises, Wingate anaerobic (WT) and prolonged high-intensity time-to-exhaustion (HIT) cycling test. Twenty participants were randomised into an intermittent fasting (FAS) and a control group (CON). One day after baseline data collection on Day-0 where participants consumed their recommended daily caloric intake (FAS = 2500 ± 143 kcal day-1; CON = 2492 ± 20 kcal day-1) served over a course of five meals, the FAS group consumed only four meals where 40% was restricted by the omission of lunch (FAS = 1500 ± 55 kcal day-1). This diet was then continued for 10 days. Data on exercise performance and other dependent variables were collected on Day-2, -4, -6, -8 and -10. A reduction in WT power in the FAS group was observed on Day-2 (821.74 ± 66.07 W) compared to Day-0 (847.63 ± 95.94 W) with a moderate effect size (p 
    Matched MeSH terms: Triglycerides/blood
  3. Chin KY, Ima-Nirwana S, Mohamed IN, Aminuddin A, Johari MH, Ngah WZ
    Int J Med Sci, 2014;11(4):349-55.
    PMID: 24578612 DOI: 10.7150/ijms.7104
    Alteration in lipid profile is a common observation in patients with thyroid dysfunction, but the current knowledge on the relationship between lipids and thyroid hormone levels in euthyroid state is insufficient. The current study aimed to determine the association between thyroid hormones and thyroid-stimulating hormone (TSH) with lipid profile in a euthyroid male population.
    Matched MeSH terms: Triglycerides/blood
  4. Hadaegh F, Harati H, Zabetian A, Azizi F
    Med J Malaysia, 2006 Aug;61(3):332-8.
    PMID: 17240585
    There are contradictory results regarding the pattern of seasonal variation of serum lipids. The aim of this study was to compare serum lipid levels in different seasons in participants of the Tehran Lipid and Glucose Study. This was a cross-sectional study among 2890 men and 4004 women 20-64 years old from the participants of Tehran Lipid and Glucose Study (TLGS) between 1999 and 2001. Mean values of serum lipids in different seasons were compared with Analysis of Covariance (ANCOVA) after adjustment for age, physical activity level, smoking, BMI and Waist-to-hip ratio. In men, there was a significant trend for change in the values of cholesterol, LDL-C and HDL-C in different seasons, with higher cholesterol and LDL-C values in winter than in summer (P < 0.05). In women, only the mean values of triglycerides were significantly different between different seasons with values lower in winter than in summer. There was a 26.2% relative increase in the prevalence of hypercholesterolemia (> or = 240 mg/dl) in winter than in summer in men. The corresponding increase in the prevalence of high LDL-C (> or = 160 mg/dl) was 26.7% and 24.9% in men and women, respectively (P < 0.05). The prevalence of high triglycerides (> or = _ 200mg/dl) in women significantly decreased (23.8%) in winter relative to summer (P < 0.001). This study showed that there is seasonal variability in serum lipid values and this variability is greater in men than women. The increase in the prevalence of high LDL in winter in both sexes must be considered in population screening and in the follow-up of hyperlipidemic patients.
    Matched MeSH terms: Triglycerides/blood
  5. Fairus S, Nor RM, Cheng HM, Sundram K
    Am J Clin Nutr, 2006 Oct;84(4):835-42.
    PMID: 17023711
    BACKGROUND: The detection of tocotrienols in human plasma has proven elusive, and it is hypothesized that they are rapidly assimilated and redistributed in various mammalian tissues.

    OBJECTIVE: The primary study objective was to evaluate the postprandial fate of tocotrienols and alpha-tocopherol in human plasma and lipoproteins.

    DESIGN: Seven healthy volunteers (4 males, 3 females) were administered a single dose of vitamin E [1011 mg palm tocotrienol-rich fraction (TRF) or 1074 mg alpha-tocopherol] after a 7-d conditioning period with a tocotrienol-free diet. Blood was sampled at baseline (fasted) and 2, 4, 5, 6, 8, and 24 h after supplementation. Concentrations of tocopherol and tocotrienol isomers in plasma, triacylglycerol-rich particles (TRPs), LDLs, and HDLs were measured at each interval.

    RESULTS: After intervention with TRF, plasma tocotrienols peaked at 4 h (4.79 +/- 1.2 microg/mL), whereas alpha-tocopherol peaked at 6 h (13.46 +/- 1.68 microg/mL). Although tocotrienols were similarly detected in TRPs, LDLs, and HDLs, tocotrienol concentrations were significantly lower than alpha-tocopherol concentrations. In comparison, plasma alpha-tocopherol peaked at 8 h (24.3 +/- 5.22 microg/mL) during the alpha-tocopherol treatment and emerged as the major vitamin E isomer detected in plasma and lipoproteins during both the TRF and the alpha-tocopherol treatments.

    CONCLUSIONS: Tocotrienols are detected in postprandial plasma, albeit in significantly lower concentrations than is alpha-tocopherol. This finding confirms previous observations that, in the fasted state, tocotrienols are not detected in plasma. Tocotrienol transport in lipoproteins appears to follow complex biochemically mediated pathways within the lipoprotein cascade.

    Matched MeSH terms: Triglycerides/blood
  6. Mohd Nor NS, Lee S, Bacha F, Tfayli H, Arslanian S
    Pediatr Diabetes, 2016 09;17(6):458-65.
    PMID: 26251318 DOI: 10.1111/pedi.12303
    BACKGROUND: There is a need for simple surrogate estimates of insulin sensitivity in epidemiological studies of obese youth because the hyperinsulinemic-euglycemic clamp is not feasible on a large scale.

    OBJECTIVE: (i) To examine the triglyceride glucose (TyG) index (Ln[fasting triglycerides (mg/dL) × fasting glucose (mg/dL)/2]) and its relationship to in vivo insulin sensitivity in obese adolescents (OB) along the spectrum of glucose tolerance and (ii) to compare TyG index with triglyceride/high-density lipoprotein TG/HDL and 1/fasting insulin (1/IF ), other surrogates of insulin sensitivity.

    PATIENTS AND DESIGN: Cross-sectional data in 225 OB with normal glucose tolerance (NGT), prediabetes (preDM), and type 2 diabetes (T2DM) who had a 3-h hyperinsulinemic-euglycemic clamp and fasting lipid measurement.

    RESULTS: Insulin-stimulated glucose disposal (Rd) declined significantly across the glycemic groups from OB-NGT to OB-preDM to OB-T2DM with a corresponding increase in TyG index (8.3 ± 0.5, 8.6 ± 0.5, 8.9 ± 0.6, p 

    Matched MeSH terms: Triglycerides/blood*
  7. Ahmad-Raus RR, Abdul-Latif ES, Mohammad JJ
    PMID: 11495637
    A short-term study was carried out using guinea pigs to determine the effects of Curcuma domestica on lipid composition in the serum and aorta.
    Matched MeSH terms: Triglycerides/blood
  8. Sundram K, Hayes KC, Siru OH
    Am J Clin Nutr, 1994 Apr;59(4):841-6.
    PMID: 8147328
    In a double-blind crossover study, 17 normocholesterolemic male volunteers were fed carefully designed whole-food diets in which 5% of energy was exchanged between palmitic (16:0) and lauric + myristic acids (12:0 + 14:0) whereas all other fatty acids were held constant. Resident males received each diet during separate 4-wk periods. The test diets supplied approximately 30% of energy as fat and 200 mg cholesterol/d. Compared with the 12:0 + 14:0-rich diet, the 16:0-rich diet produced a 9% lower serum cholesterol concentration, reflected primarily by a lower (11%) low-density-lipoprotein-cholesterol concentration and, to a lesser extent, high-density-lipoprotein cholesterol. No diet-induced changes were noted in the cholesterol content of other lipoproteins, nor did exchange of saturated fatty acids affect the triglyceride concentration in serum or lipoprotein fractions. These data indicate that a dietary 12:0 + 14:0 combination produces a higher serum cholesterol concentration than does 16:0 in healthy normocholesterolemic young men fed a low-cholesterol diet.
    Matched MeSH terms: Triglycerides/blood
  9. Loke DF, Viegas OA, Ratnam SS
    Gynecol. Obstet. Invest., 1993;36(2):108-13.
    PMID: 8225044
    Serum lipid profiles were studied in 167 healthy fertile Singaporean women, aged between 18 and 40 and comprising 114 Chinese, 28 Malays and 25 Indians. Parity or ethnic differences did not affect lipid concentrations. Except for triglycerides which showed a decreasing trend, there was no significant variation in lipid concentrations with age. However, all lipid concentrations except HDL cholesterol (which decreased) appeared to increase with body mass index. Compared with other populations, these Singaporean women appeared to have higher mean concentrations of total cholesterol and lower mean concentrations of HDL cholesterol. The possibility that these differences could have contributed to the increasing incidence of coronary heart disease in Singapore is discussed.
    Matched MeSH terms: Triglycerides/blood*
  10. Choo KE, Davis TM, Mansur MA, Azman E, Achana S
    J Paediatr Child Health, 1996 Oct;32(5):428-32.
    PMID: 8933405
    OBJECTIVE: Preliminary epidemiological data suggest that dyslipidaemia contributes significantly to rising mortality due to atherosclerosis in Peninsular Malays. The aim of this study was to determine whether abnormal serum lipid profiles are present at birth in this population.

    METHODOLOGY: The patients were 487 non-diabetic Malay women who had an uncomplicated antenatal course and delivered healthy singleton babies at term. Cord blood and maternal post-partum venous blood samples were taken for assay of serum cholesterol and triglyceride concentrations using standard enzymatic methods.

    RESULTS: Maternal total serum cholesterol concentrations (mean +/- SD; 7.5 +/- 2.5 mmol/L) were higher than in other reported series (range of published means 5.2-6.5 mmol/L) with a correspondingly low high-density lipoprotein (HDL): total cholesterol ratio. The mean cord blood total serum cholesterol (1.7 +/- 1.0 mmol/L) was consistent with previously reported population means (1.5-1.9 mmol/L) but there was a relatively high low-density lipoprotein (LDL)-cholesterol and depressed HDL: cholesterol ratio. Significant correlations between maternal and neonatal serum total (P = 0.038) and especially HDL-cholesterol (P < 0.001) were observed. Maternal and cord blood serum triglyceride levels were comparable to those in other series.

    CONCLUSIONS: These cross-sectional data provide evidence that abnormal serum cholesterol profiles are found in pregnant Malay women and their neonates which may have implications for the prevalence of macrovascular disease in the Malay population.

    Matched MeSH terms: Triglycerides/blood
  11. Sundram K, Khor HT, Ong AS
    Lipids, 1990 Apr;25(4):187-93.
    PMID: 2345491
    Male Sprague Dawley rats were fed semipurified diets containing 20% fat for 15 weeks. The dietary fats were corn oil, soybean oil, palm oil, palm olein and palm stearin. No differences in the body and organ weights of rats fed the various diets were evident. Plasma cholesterol levels of rats fed soybean oil were significantly lower than those of rats fed corn oil, palm oil, palm olein or palm stearin. Significant differences between the plasma cholesterol content of rats fed corn oil and rats fed the three palm oils were not evident. HDL cholesterol was raised in rats fed the three palm oil diets compared to the rats fed either corn oil or soybean oil. The cholesterol-phospholipid molar ratio of rat platelets was not influenced by the dietary fat type. The formation of 6-keto-PGF1 alpha was significantly enhanced in palm oil-fed rats compared to all other dietary treatments. Fatty acid compositional changes in the plasma cholesterol esters and plasma triglycerides were diet regulated with significant differences between rats fed the polyunsaturated corn and soybean oil compared to the three palm oils.
    Matched MeSH terms: Triglycerides/blood
  12. Ng TK, Chong YH
    Med J Malaysia, 1975 Mar;30(3):169-74.
    PMID: 169458
    Matched MeSH terms: Triglycerides/blood
  13. Wilhelmsen L
    Med J Malaysia, 1977 Jun;31(4):296-301.
    PMID: 927236
    Matched MeSH terms: Triglycerides/blood
  14. Chong YH, Soh CC, Ho GS, Rajaratnam R, Nonis P
    Clin. Chim. Acta, 1971 Aug;34(1):85-92.
    PMID: 5118731 DOI: 10.1016/0009-8981(71)90070-2
    Matched MeSH terms: Triglycerides/blood*
  15. Iwani NA, Jalaludin MY, Zin RM, Fuziah MZ, Hong JY, Abqariyah Y, et al.
    Sci Rep, 2017 01 06;7:40055.
    PMID: 28059134 DOI: 10.1038/srep40055
    The purpose of this study was to investigate the usefulness of triglyceride to hdl-c ratio (TG:HDL-C) as an insulin resistance (IR) marker for overweight and obese children. A total of 271 blood samples of obese and overweight children aged 9-16 years were analysed for fasting glucose, lipids and insulin. Children were divided into IR and non-insulin resistance, using homeostasis model assessment (HOMA). The children were then stratified by tertiles of TG: HDL-C ratio. The strength between TG:HDL-C ratio and other parameters of IR were quantified using Pearson correlation coefficient (r). Odds ratio was estimated using multiple logistic regression adjusted for age, gender, pubertal stages and IR potential risk factors. Children with IR had significantly higher TG:HDL-C ratio (2.48) (p = 0.01). TG:HDL-C ratio was significantly correlated with HOMA-IR (r = 0.104, p 
    Matched MeSH terms: Triglycerides/blood*
  16. Adams CD, Richmond R, Ferreira DLS, Spiller W, Tan V, Zheng J, et al.
    Cancer Epidemiol Biomarkers Prev, 2019 01;28(1):208-216.
    PMID: 30352818 DOI: 10.1158/1055-9965.EPI-18-0079
    BACKGROUND: Whether associations between circulating metabolites and prostate cancer are causal is unknown. We report on the largest study of metabolites and prostate cancer (2,291 cases and 2,661 controls) and appraise causality for a subset of the prostate cancer-metabolite associations using two-sample Mendelian randomization (MR).

    METHODS: The case-control portion of the study was conducted in nine UK centers with men ages 50-69 years who underwent prostate-specific antigen screening for prostate cancer within the Prostate Testing for Cancer and Treatment (ProtecT) trial. Two data sources were used to appraise causality: a genome-wide association study (GWAS) of metabolites in 24,925 participants and a GWAS of prostate cancer in 44,825 cases and 27,904 controls within the Association Group to Investigate Cancer Associated Alterations in the Genome (PRACTICAL) consortium.

    RESULTS: Thirty-five metabolites were strongly associated with prostate cancer (P < 0.0014, multiple-testing threshold). These fell into four classes: (i) lipids and lipoprotein subclass characteristics (total cholesterol and ratios, cholesterol esters and ratios, free cholesterol and ratios, phospholipids and ratios, and triglyceride ratios); (ii) fatty acids and ratios; (iii) amino acids; (iv) and fluid balance. Fourteen top metabolites were proxied by genetic variables, but MR indicated these were not causal.

    CONCLUSIONS: We identified 35 circulating metabolites associated with prostate cancer presence, but found no evidence of causality for those 14 testable with MR. Thus, the 14 MR-tested metabolites are unlikely to be mechanistically important in prostate cancer risk.

    IMPACT: The metabolome provides a promising set of biomarkers that may aid prostate cancer classification.

    Matched MeSH terms: Triglycerides/blood
  17. Hawkins RC
    Clin Chem Lab Med, 2010;48(1):105-8.
    PMID: 19929751 DOI: 10.1515/CCLM.2010.010
    It has been suggested that potassium concentrations may vary between different geographical regions, possibly reflecting ethnic differences in potassium status. This study compared the serum potassium concentrations of three Asian ethnicities in a single geographical location.
    Matched MeSH terms: Triglycerides/blood
  18. Sani NF, Belani LK, Sin CP, Rahman SN, Das S, Chi TZ, et al.
    Biomed Res Int, 2014;2014:160695.
    PMID: 24822178 DOI: 10.1155/2014/160695
    Diabetic complications occur as a result of increased reactive oxygen species (ROS) due to long term hyperglycaemia. Honey and ginger have been shown to exhibit antioxidant activity which can scavenge ROS. The main aim of this study was to evaluate the antioxidant and antidiabetic effects of gelam honey, ginger, and their combination. Sprague-Dawley rats were divided into 2 major groups which consisted of diabetic and nondiabetic rats. Diabetes was induced with streptozotocin intramuscularly (55 mg/kg body weight). Each group was further divided into 4 smaller groups according to the supplements administered: distilled water, honey (2 g/kg body weight), ginger (60 mg/kg body weight), and honey + ginger. Body weight and glucose levels were recorded weekly, while blood from the orbital sinus was obtained after 3 weeks of supplementation for the estimation of metabolic profile: glucose, triglyceride (TG), superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), reduced glutathione (GSH): oxidized glutathione (GSSG), and malondialdehyde (MDA). The combination of gelam honey and ginger did not show hypoglycaemic potential; however, the combination treatment reduced significantly (P < 0.05) SOD and CAT activities as well as MDA level, while GSH level and GSH/GSSG ratio were significantly elevated (P < 0.05) in STZ-induced diabetic rats compared to diabetic control rats.
    Matched MeSH terms: Triglycerides/blood
  19. Karupaiah T, Sundram K
    Nutr J, 2013;12:122.
    PMID: 23953645 DOI: 10.1186/1475-2891-12-122
    Postprandial lipemia (PL) contributes to coronary artery disease. The fatty acid composition of dietary fats is potentially a modifiable factor in modulating PL response.
    Matched MeSH terms: Triglycerides/blood
  20. Hejazi N, Rajikan R, Choong CL, Sahar S
    BMC Public Health, 2013;13:758.
    PMID: 23947428 DOI: 10.1186/1471-2458-13-758
    In the current two decades, dyslipidemia and increased blood glucose as metabolic abnormalities are the most common health threats with a high incidence among HIV/AIDS patients on antiretroviral (ARV) treatment. Scientific investigations and reports on lipid and glucose disorders among HIV infected communities are inadequate especially in those developing such as Malaysia. This cross-sectional survey was mainly aimed to evaluate the prevalence of metabolic abnormalities and associated risk factors among HIV infected population patients on ARV medication.
    Matched MeSH terms: Triglycerides/blood
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