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Erratum: Lutein decreases oxidative stress and inflammation in liver and eyes of guinea pigs fed a hypercholesterolemic diet.

Jung Eun KIM ; Richard M CLARK ; Youngki PARK ; Jiyoung LEE ; Maria Luz FERNANDEZ

Nutrition Research and Practice.2013;7(2):146-146. doi:10.4162/nrp.2013.7.2.146

This article was initially published on Nutrition Research and Practice with mistyped concentration of lutein used in the study.

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Gender specific effect of major dietary patterns on the metabolic syndrome risk in Korean pre-pubertal children.

Soo Jin PARK ; Seung Min LEE ; Seon Mee KIM ; Myoungsook LEE

Nutrition Research and Practice.2013;7(2):139-145. doi:10.4162/nrp.2013.7.2.139

There is a lack of data on metabolic risk factors during pre-puberty, which is important for identifying the subgroups of youth, at whom early interventions should be targeted. In this study, we evaluated the prevalence of metabolic risk factors and its subsequent relations with dietary patterns in Korean pre-pubertal children through a cross-sectional sample (n = 1,008; boys = 513) of pre-pubertal children (aged 8-9 years) from a sub-study of the Korea Metabolic Syndrome Research Initiatives (KMSRI) in Seoul, Korea. Measures of anthropometry and blood pressure as well as fasting blood samples were used in the analysis. A three-day food records were collected. The metabolic syndrome was defined according to the age-adjusted National Cholesterol Education Program Adult Treatment Panel III guidelines. An added metabolic risk score was calculated for each subject by summing the quintile values of the five individual risk factors. Among the 5 risk components of metabolic syndrome, high waist circumference (WC) was the major factor (P < 0.001). A significant increasing trend of the added metabolic syndrome risk score was observed with the increase of WC (P (trend) < 0.001) among both genders. The cutoff point for high WC for pre-pubertal children was 61.3 cm for boys and 59.9 cm for girls. The prevalence of high triglyceride (TG) values was significantly higher in girls than it was in boys (P < 0.01). Girls in the highest quintile of balanced dietary pattern scores had lower TG values (P (trend) = 0.032) than did those in the lowest quintile. Moreover, girls in the highest quintile of western dietary pattern scores showed increasing trend for the added metabolic risk score (P (trend) = 0.026) compared with those in the lowest quintile. Adverse associations exist between western dietary patterns and the accumulation of metabolic risks among girls, not in boys, even during pre-puberty.
Adolescent ; Adult ; Anthropometry ; Blood Pressure ; Child ; Cholesterol ; Early Intervention (Education) ; Fasting ; Humans ; Korea ; Prevalence ; Risk Factors ; Waist Circumference

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Assessing the children's views on foods and consumption of selected food groups: outcome from focus group approach.

Sharifah Intan Zainun SHARIF ISHAK ; Shamarina SHOHAIMI ; Mirnalini KANDIAH

Nutrition Research and Practice.2013;7(2):132-138. doi:10.4162/nrp.2013.7.2.132

The food choices in childhood have high a probability of being carried through into their adulthood life, which then contributes to the risk of many non-communicable diseases. Therefore, there is a need to gather some information about children's views on foods which may influence their food choices for planning a related dietary intervention or programme. This paper aimed to explore the views of children on foods and the types of foods which are usually consumed by children under four food groups (snacks, fast foods, cereals and cereal products; and milk and dairy products) by using focus group discussions. A total of 33 school children aged 7-9 years old from Selangor and Kuala Lumpur participated in the focus groups. Focus groups were audio-taped, transcribed and analyzed according to the listed themes. The outcomes show that the children usually consumed snacks such as white bread with spread or as a sandwich, local cakes, fruits such as papaya, mango and watermelon, biscuits or cookies, tea, chocolate drink and instant noodles. Their choices of fast foods included pizza, burgers, French fries and fried chicken. For cereal products, they usually consumed rice, bread and ready-to-eat cereals. Finally, their choices of dairy products included milk, cheese and yogurt. The reasons for the food liking were taste, nutritional value and the characteristics of food. The outcome of this study may provide additional information on the food choices among Malaysian children, especially in urban areas with regard to the food groups which have shown to have a relationship with the risk of childhood obesity.
Aged ; Bread ; Cacao ; Carica ; Edible Grain ; Cheese ; Chickens ; Child ; Citrullus ; Dairy Products ; Diet ; Fast Foods ; Focus Groups ; Fruit ; Humans ; Malaysia ; Mangifera ; Milk ; Nutritive Value ; Obesity ; Snacks ; Tea ; Yogurt

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Prevalence of child malnutrition in agro-pastoral households in Afar Regional State of Ethiopia.

Rabia FENTAW ; Ayalneh BOGALE ; Degnet ABEBAW

Nutrition Research and Practice.2013;7(2):122-131. doi:10.4162/nrp.2013.7.2.122

Based on data generated from 180 randomly selected households with children age under five years old in Aysaita district of Afar region of Ethiopia, this study explored prevalence of malnutrition and scrutinized household characteristics, maternal characteristics, specifics of the child and economic variables associated with child malnutrition. The height-for-age Z-scores (HAZ), weight-for-height Z-scores (WHZ) and weight-for-age Z-scores (WAZ) were used to measure the extent of stunting, wasting and underweight, respectively. The results revealed that prevalence of long term nutritional imbalance and malnutrition status indicator (i.e. stunting) was 67.8%. The short term measure (wasting) was found to be 12.8% and underweight was found to be 46.1%. Moreover, children in households which are headed by women, and characterized by more dependency ratio, less access to assets, health services and institutions are more likely to be undernourished.
Anthropometry ; Child ; Child Nutrition Disorders ; Dependency (Psychology) ; Ethiopia ; Family Characteristics ; Female ; Head ; Health Services ; Humans ; Malnutrition ; Prevalence ; Thinness

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Characterization of food allergies in patients with atopic dermatitis.

Jaryoung KWON ; Jungyun KIM ; Sunheui CHO ; Geunwoong NOH ; Sang Sun LEE

Nutrition Research and Practice.2013;7(2):115-121. doi:10.4162/nrp.2013.7.2.115

We examined the characteristics of food allergy prevalence and suggested the basis of dietary guidelines for patients with food allergies and atopic dermatitis. A total of 2,417 patients were enrolled in this study. Each subject underwent a skin prick test as well as serum immunoglobulin E (IgE) measurement. A double-blind, placebo-controlled food challenge was conducted using milk, eggs, wheat, and soybeans, and an oral food challenge was performed using beef, pork, and chicken. Food allergy prevalence was found among 50.7% in patients with atopic dermatitis. Among patients with food allergies (n = 1,225), the prevalence of non-IgE-mediated food allergies, IgE-mediated food allergies, and mixed allergies was discovered in 94.9%, 2.2%, and 2.9% of the patients, respectively. Food allergy prevalence, according to food item, was as follows: eggs = 21.6%, milk = 20.9%, wheat = 11.8%, soybeans = 11.7%, chicken = 11.7%, pork = 8.9% and beef = 9.2%. The total number of reactions to different food items in each patient was also variable at 45.1%, 30.6%, 15.3%, 5.8%, 2.2%, and 1.0% for 1 to 6 reactions, respectively. The most commonly seen combination in patients with two food allergies was eggs and milk. The clinical severity of the reactions observed in the challenge test, in the order of most to least severe, were wheat, beef, soybeans, milk, pork, eggs, and chicken. The minimum and maximum onset times of food allergy reactions were 0.2-24 hrs for wheat, 0.5-48 hrs for beef, 1.0-24 hrs for soybeans, 0.7-24 hrs for milk, 3.0-24 hrs for pork, 0.01-72 hrs for eggs, and 3.0-72 hrs for chicken. In our study, we examined the characteristics of seven popular foods. It will be necessary, however, to study a broader range of foods for the establishment of a dietary guideline. Our results suggest that it may be helpful to identify food allergies in order to improve symptoms in patients with atopic dermatitis.
Chickens ; Dermatitis, Atopic ; Eggs ; Food Hypersensitivity ; Humans ; Hypersensitivity ; Immunoglobulin E ; Immunoglobulins ; Milk ; Ovum ; Prevalence ; Skin ; Soybeans ; Triticum

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Effects of vitamin C and E supplementation on oxidative stress and liver toxicity in rats fed a low-fat ethanol diet.

Soo Jung LEE ; Seon Young KIM ; Hyesun MIN

Nutrition Research and Practice.2013;7(2):109-114. doi:10.4162/nrp.2013.7.2.109

We compared the preventive capacity of high intakes of vitamin C (VC) and vitamin E (VE) on oxidative stress and liver toxicity in rats fed a low-fat ethanol diet. Thirty-two Wistar rats received the low fat (10% of total calories) Lieber-DeCarli liquid diet as follows: either ethanol alone (Alc group, 36% of total calories) or ethanol in combination with VC (Alc + VC group, 40 mg VC/100 g body weight) or VE (Alc + VE group, 0.8 mg VE/100 g body weight). Control rats were pair-fed a liquid diet with the Alc group. Ethanol administration induced a modest increase in alanine aminotransferase (ALT), aspartate aminotransferase (AST), conjugated dienes (CD), and triglycerides but decreased total radical-trapping antioxidant potential (TRAP) in plasma. VE supplementation to alcohol-fed rats restored the plasma levels of AST, CD, and TRAP to control levels. However, VC supplementation did not significantly influence plasma ALT, AST, or CD. In addition, a significant increase in plasma aminothiols such as homocysteine and cysteine was observed in the Alc group, but cysteinylglycine and glutathione (GSH) did not change by ethanol feeding. Supplementing alcohol-fed rats with VC increased plasma GSH and hepatic S-adenosylmethionine, but plasma levels of aminothiols, except GSH, were not influenced by either VC or VE supplementation in ethanol-fed rats. These results indicate that a low-fat ethanol diet induces oxidative stress and consequent liver toxicity similar to a high-fat ethanol diet and that VE supplementation has a protective effect on ethanol-induced oxidative stress and liver toxicity.
Alanine Transaminase ; Animals ; Ascorbic Acid ; Aspartate Aminotransferases ; Cysteine ; Diet ; Dipeptides ; Ethanol ; Glutathione ; Homocysteine ; Liver ; Oxidative Stress ; Plasma ; Rats ; Rats, Wistar ; S-Adenosylmethionine ; Triglycerides ; Vitamin E ; Vitamins

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The antidiabetic effects of an herbal formula composed of Alnus hirsuta, Rosa davurica, Acanthopanax senticosus and Panax schinseng in the streptozotocin-induced diabetic rats.

Weicheng HU ; Jin Hee YEO ; Yunyao JIANG ; Seong Il HEO ; Myeong Hyeon WANG

Nutrition Research and Practice.2013;7(2):103-108. doi:10.4162/nrp.2013.7.2.103

A folk prescription consisting of Alnus hirsuta, Rosa davurica, Acanthopanax senticosus and Panax schinseng has been used in the treatment of diabetes mellitus. The aim of the present investigation was to evaluate the antidiabetic effects of the herb formula extract (HFE) composed of Alnus hirsuta, Rosa davurica, Acanthopanax senticosus and Panax schinseng in the streptozotocin (STZ)-induced diabetic rats. The HFE was mixed in the food supply of the healthy and STZ-induced diabetic male Sprague-Dawley rats, and its effects on the body weight, water and food intake, hyperglycemia, hypolipidemic and islet structure were studied. The treatment of the rats with STZ for 6 weeks resulted in marasmus, polydipsia, polyphagia, hyperglycemia and hypoinsulinemia. In addition, the diabetic rats showed an apparent decrease in the insulin immunoreactivity and the number of beta-cells in the pancreas. The addition of the HFE to the rats' food supply significantly lowered the serum glucose and the serum triglycerides level and preserved the normal histological appearance of the pancreatic islets. These results indicate that the HEF have a strong antidiabetic potential along with the significant hypoglycemic and hypolipidemic effects, which may be applicable in the pharmaceutical industry.
Eleutherococcus ; Alnus ; Animals ; Body Weight ; Diabetes Mellitus ; Drinking ; Drug Industry ; Eating ; Food Supply ; Glucose ; Humans ; Hyperglycemia ; Immunohistochemistry ; Insulin ; Islets of Langerhans ; Male ; Panax ; Pancreas ; Polydipsia ; Prescriptions ; Protein-Energy Malnutrition ; Rats ; Rats, Sprague-Dawley ; Rosa ; Streptozocin ; Triglycerides

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Inhibitory effects of Capsicum annuum L. water extracts on lipoprotein lipase activity in 3T3-L1 cells.

Jongmi BAEK ; Jaesung LEE ; Kyoungkon KIM ; Taewoo KIM ; Daejung KIM ; Cheonan KIM ; Kanazawa TSUTOMU ; Sarangowa OCHIR ; Kooyeon LEE ; Cheol Ho PARK ; Yong Jik LEE ; Myeon CHOE

Nutrition Research and Practice.2013;7(2):96-102. doi:10.4162/nrp.2013.7.2.96

Obesity, an intractable metabolic disease, currently has no medical treatment without side effects, so studies have been actively carried out to find natural compounds that have anti-obesity activity with minimum side effects. In this study, the anti-obesity effects of water extracts of seven Capsicum annuum L. varieties being Putgochu (Pca), Oyee gochu (Oca), Kwari putgochu (Kca), Green pepper (Gca), Yellow paprika (Yca), Red paprika (Rca) and Cheongyang gochu (Cca), were examined through the evaluation of lipoprotein lipase (LPL) mRNA expression level in 3T3-L1 cells (mouse pre-adipocytes). After capsaicin elimination by chloroform defatting, freeze-dried powder of Cca was treated to 3T3-L1 cells and anti-obesity effects were examined by determining the LPL mRNA level using the RT-PCR method. Of the primary fractions, only proven fractions underwent secondary and tertiary refractionating to determine anti-obesity effects. From seven different Capsicum annuum L., there was a significant decrease of the LPL mRNA expression level of 50.9% in Cca treatment compared to the control group. A significant decrease of the LPL mRNA expression level was shown in primary fractions (Fr) 5 (36.2% decrease) and 6 (30.5% decrease) of the Cca water extracts. Due to the impurities checked by UPLC chromatography, Fr 5 and 6 were refractionated to determine the LPL mRNA expression level. Treatment of Fr 6-6 (35.8% decrease) and Fr 5-6 (35.3% decrease) showed a significant decrease in the LPL mRNA expression level. When analyzed using UPLC, major compounds of Fr 6-6 and Fr 5-6 were very similar. Subsequently, we refractionated Fr 6-6 and Fr 5-6 to isolate the major peak for structure elucidation. Treatment of Fr 5-6-1 (26.6% decrease) and Fr 6-6-1 (29.7% decrease) showed a significant decrease in the LPL mRNA expression level. Consequently, the fractions may have a possibility to ameliorate obesity through the decrease of the LPL mRNA expression level.
3T3-L1 Cells ; Capsaicin ; Capsicum ; Chloroform ; Chromatography ; Lipoprotein Lipase ; Lipoproteins ; Metabolic Diseases ; Obesity ; RNA, Messenger ; Water

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Isomer specificity of conjugated linoleic acid (CLA): 9E,11E-CLA.

Yunkyoung LEE

Nutrition Research and Practice.2008;2(4):326-330. doi:10.4162/nrp.2008.2.4.326

Conjugated linoleic acids (CLA) were identified in 1980's, since then it has been intensively studied due to its various beneficial health effects such as anti-inflammatory, anti-atherogenic, anti-carcinogenic and anti-diabetic/obesity effects. Isomer specificity of a number of CLA isomers, especially predominant isomer 9Z,11E- and 10E,12Z-CLA, is now recognized. However, the less prevalent CLA isomers have not been well characterized. Recently, studies have reported the distinctively different effects of 9E,11E-CLA in colon cancer cells, endothelial cells, and macrophage cells compared to the rest of CLA isomers. In this review, various effects of CLAs, especially anti-inflammatory and anti-atherogenic effects, will be discussed with focusing on the isomer-specific effects and potential mechanism of action of CLA. At last, recent studies about 9E,11E-CLA in in vitro and animal models will be discussed.
Colonic Neoplasms ; Endothelial Cells ; Linoleic Acid ; Linoleic Acids, Conjugated ; Macrophages ; Models, Animal ; Sensitivity and Specificity*

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Kaempferol induced the apoptosis via cell cycle arrest in human breast cancer MDA-MB-453 cells.

Eun Jeong CHOI ; Woong Shick AHN

Nutrition Research and Practice.2008;2(4):322-325. doi:10.4162/nrp.2008.2.4.322

The aim of present study was to investigate the effects of kaempferol on cellular proliferation and cell cycle arrest and explore the mechanism for these effects in human breast carcinoma MDA-MB-453 cells. Cells were treated with kaempferol at various concentrations (ranging from 1 to 200 microM) for 24 and 48 hrs. Kaempferol significantly inhibited cancer cell growth in cells exposed to 50 and 10 microM of kaempferol and incubated for 24 and 48 hrs, respectively. Exposure to kaempferol resulted in cell cycle arrest at the G2/M phase. Of the G2/M-phase related proteins, kaempferol down-regulated CDK1 and cyclin A and B in cells exposed to kaempferol. In addition, small DNA fragments at the sub-G0 phase were increased by up to 23.12 and 31.90% at 10 and 50 microM incubated for 24 and 48 hrs, respectively. The kaempferol-induced apoptosis was associated with the up-regulation of p53. In addition, the phosphorylation of p53 at the Ser-15 residue was observed with kaempferol. Kaempferol inhibits cell proliferation by disrupting the cell cycle, which is strongly associated with the induction of arrest at G2/M phase and may induce apoptosis via p53 phosphorylation in human breast carcinoma MDA-MB-453 cells.
Apoptosis ; Breast ; Breast Neoplasms ; Cell Cycle ; Cell Cycle Checkpoints ; Cell Proliferation ; Cyclin A ; DNA ; Humans ; Kaempferols ; Phosphorylation ; Proteins ; Up-Regulation

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