• Title/Summary/Keyword: normal-weight obesity

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Effects of Zn Intake on Immune Responses in High Fat Diet-induced Obese Rats (아연 섭취 수준이 고지방 식이로 유도된 비만쥐의 면역 기능에 미치는 영향)

  • 김현숙;승정자
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.28 no.2
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    • pp.464-470
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    • 1999
  • The purpose of this study was to investigate the effect of zinc intake on immune responses in high fat diet induced obese rats. The immune status was assessed by the measurements of immunoglobulins (IgG, A, and M) production by SRBC(sheep red blood cell) with mitogen in vivo. The delayed type hypersensitivity(DTH) response was also measured as an index of cell mediated immunity. The re sults are summarized as follows : 1) There were no significant differences in the feed intake, weight gain and feed efficiency ratio of obese rats by the different dietary zinc levels. 2) White blood cell (WBC) counts were significantly affected as the dietary zinc levels decreased. The capacity of Ig M production in obese rats was significantly higher in normal zinc group than that of low and high zinc group. Cell mediated immune response evaluated by means of DTH testing has also been found to be highly impaired by zinc deficiency and overload. From these observations, it was suggested that adequate levels of zinc may promote the immune function of obese individuals. The relationship and its functional role of the zinc in obesity remains to be further studied.

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The Psychological Characteristics of Women in the Obesity Clinic (비만클리닉에 내원한 여성의 심리적 특성)

  • Park, Sat-Byul;Yun, Kyu-Wol;Woo, Haing-Won
    • Korean Journal of Psychosomatic Medicine
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    • v.11 no.2
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    • pp.137-148
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    • 2003
  • Introduction: This research was performed to contract the attitude of dietary restriction and the psychological problems such as depressive mood and perceived stress and to investigate the relationship of these and obesity in women who visited the obesity clinic. Methods: During May 2001, sociodemographic variables, physical characteristics, Three Factor Eating Questionnaire(TFEQ), Symptom Check List-90-R(SCL-90-R) and Perceived Stress Scale were assessed from 150 female who visited the obesity clinics which were located at downtown, Seoul and the Hospital of Ajou University, Medical College. Hamilton depression rating scale(HDRS) was estimated by author. And then 116 female cases who filled up the questionnaire faithfully were included. Results: Obese group more than Body Mass Index(BMI) $25.0kg/m^2$ was 50% of the total subjects. BMI was increased as the age goes up(p<0.001). The frequency of unmarried cases in the under normal weight group was high rate of 48.8% while it in the obese group was 13.8%(p<0.001). There was no significant difference in the rate of smoking and alcohol drinking among subjects by BMI. There was no significant difference of TFEQ among subjects by BMI and the percent of body fat. Factor 2(r=0.27, p<0.01) and Factor 3(r=0.24, p<0.01) were significantly correlated with Global Severity Index(GSI). Only the paranoia scale among each estimated mean value of T scores of SCL-90-R by BMI was the significant difference between the overweight group and the obese group(p<0.05). T scores of scales of SCL-90-R were less than 50, but T scores of the under normal weight group and the obese group were higher than overweight group. GSI was significantly correlated with HDRS(r=0.75, p<0.01) and Perceived Stress Scale(r=0.32, p<0.01). Depressive mood in the obese group was significantly higher than non-obese group that HDRS was compared to two groups by the percent of body fat(p<0.05). Perceived Stress Scale was no significant correlation with BMI and the percent of body fat. All of the subject were in trouble of high stress. Stress affected dietary restriction owing that perceived stress had a relation with Factor 2(r=0.29, p<0.01) and Factor 3(r=0.37, p<0.01). Also, it affected psychological characteristics owing that perceived stress had a relation with the depression scale, GSI and HDRS(r=0.33, r=0.32, r=0.34, p<0.01). Conclusion: Obese women have more psychological difficulties including depression and high perceived stress, which closely related with the attitude of dietary restriction. Psychiatric intervention and aggressive assessment of psychological problems will be needed to the people who visit the obesity clinic in the future.

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A Study on Serum Leptin Values by Elisa Method in Children (ELISA법으로 측정한 소아 혈중 LEPTIN 치에 관한 연구)

  • Song, Soo-Ho;Chung, Young-Hun
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • v.3 no.2
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    • pp.175-180
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    • 2000
  • Purpose: Leptin is an adipocyte-derived blood-borne satiety factor that acts on its cognate leptin receptor in the hypothalamus, thereby regulating food intake and energy expenditure. We measured the leptin concentrations in serum of normal and obese children with human leptin ELISA kit, unlike previous study with leptin RIA kit and investigated the relationship between leptin concentrations and body mass index, gender, and age. Methods: We measured serum concentrations of leptin in 67 children who were visited to the Department of Pediatrics, Chungnam National University Hospital during the period of 5 months from February, 1999 to June, 1999. Height, weight, obesity index, and body mass index were measured in 67 subjects. Leptin values in serum were measured by sandwich ELISA method. Data analysis was done according to the obesity, body mass index, gender and age. Results: The mean concentration of leptin was $7.69{\pm}8.83\;ng/ml$ in normal children group and $36.34{\pm}18.57\;ng/ml$ in obese group. Serum leptin concentrations were significant correlation with the body mass index (p<0.01). Serum leptin concentration was significant higher in the group of over 10 years of age (p<0.01). Leptin levels showed no significant difference by gender. Conclusion: Serum leptin levels were significantly higher in obesity group than in control one, and they were correlated with body mass index and age. Measurements of leptin value by sandwich ELISA method are very useful and easily applicable to determine obesity.

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Effect of Dietary Intake of Salicornia herbacea L. Hot Water Extract on Anti-obesity in Diet-induced Obese Rats (함초 열수추출물의 섭취가 비만유도 흰쥐의 항비만 효과에 미치는 영향)

  • Lee, Hye-Sung;Choi, Jun-Hyeok;Kim, Youn-Geon;Lee, Chang-Ho
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.41 no.7
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    • pp.950-956
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    • 2012
  • Salicornia herbacea L. is an annual herb that grows in salt marshes and salt fields along the seashores. It is also commonly used as a folk remedy in Korea. The objective of this study was to investigate the beneficial effects of Salicorrnia herbacea L. (SH) hot water extract on obesity. Five-week old male Sprague-Dawley rats (n=36) were divided into two groups and provided either a normal fat diet (11.5% fat from kcal) or a high fat diet (40.5% fat from kcal) for 6 weeks to induce obesity. Then, rats were blocked into six groups of six mice each and provided either a diet containing SH (0.5% of diet; g/kg) or a normal diet for another 6 weeks. Final body weights were significantly reduced when rats were fed SH among the high fat diet groups (HNS and HHS). Serum triglyceride concentrations significantly decreased in every group provided SH. HDL-cholesterol concentrations significantly increased in SH-fed groups among the high fat diet groups. Further, atherogenic index significantly decreased when rats were fed SH diet (HHS). There were no differences in LDL-cholesterol between the high fat diet groups, and glucose concentrations decreased when rats were fed SH diet (HNS). These results indicate that dietary intake of Salicornia herbacea L. hot water extract might have beneficial effects on obesity by reducing body weight, fat weights, and improving blood lipid profile.

Effect of Obesity and Diabetes on Alzheimer's APP Gene Expression in Mouse Adipose Tissues (비만 및 당뇨가 생쥐 지방조직에서의 Alzheimer's APP 유전자 발현에 미치는 영향)

  • Kim, Jin-Woo;Lee, Yong-Ho
    • Journal of Life Science
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    • v.20 no.7
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    • pp.1012-1018
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    • 2010
  • The aim of this study was to determine whether Alzheimer's amyloid precursor protein (APP) is dysregulated in adipose tissues of C57BL/6 male mice by high-fat diet (HFD) induced obesity, aging, or streptozotocin (STZ)-induced diabetes. APP mRNA expression was examined by quantitative real-time PCR (QPCR) in subcutaneous (SAT) and epididymal adipose tissues (EAT) from mice in 8 different condition groups. By combining conditions of age (16 weeks/26 weeks of age), diet (normal diet (ND)/high-fat diet), and induction of diabetes (non-diabetic/diabetic), 88 mice were divided into 8 different groups. QPCR demonstrated that APP expression in SAT was significantly increased by about two-fold in HFD-induced obese mice compared to both 16 week-old and 26 week-old mice in the ND group (16 weeks p=0.001; 26 weeks p<0.0001), but no changes in EAT was found. Particular effects of aging on APP gene expression were not observed in either adipose tissue depots. Significantly decreased APP expression was found in SAT in STZ-induced diabetic mice fed on ND or HFD at 16 weeks of age (ND p<0.05; HFD p<0.01). Linear regression analysis demonstrated that APP expression levels correlated with body weight in both the non-diabetic group (R=0.657, p<0.0001, n=39) and the diabetic group (R=0.508, p=<0.0001, n=49), but did not correlate with plasma glucose levels, which suggests that decreased APP expression in STZ-induced diabetic mice is most likely due to weight loss rather than hyperglycemia. These data confirm APP dysregulation by weight changes in humans and suggest a possible role linking midlife obesity with the later development of amyloidogenesis in the brain of older patients with Alzheimer's disease.

Resveratrol Ameliorates High-fat-induced Metabolic Complications by Changing the Expression of Inflammasome Markers and Macrophage M1 and M2 Markers in Obese Mice (라스베라트롤 투여가 고지방식이 비만쥐의 지방조직에서의 inflammasome과 대식세포 마커에 미치는 영향)

  • Lee, Young-Ran;Pitriani, Pipit;Park, Hee-Geun;Lee, Wang-Lok
    • Journal of Life Science
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    • v.27 no.12
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    • pp.1462-1469
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    • 2017
  • The purpose of this study was to investigate the effects of resveratrol supplementation on inflammasome, inflammation, and macrophage markers in subcutaneous adipose tissue of high-fat-diet-induced obese mice. C57BL/6 mice were randomly assigned to three groups: normal diet control (NC; n=10), high-fat diet control (HC; n=10), or high fat with resveratrol (HRE; n=10) group. The mice were fed a high-fat diet (60% of calories from fat) or normal diet (18% of calories from fat). Resveratrol dissolved in a 0.1ml solution of dimethyl sulfoxide was supplemented orally at 25 mg/kg body weight. After 15 weeks, the body weight was significantly higher in the high-fat diet group than in the normal diet group. The inflammasome markers NLRP3, ASC, and caspase1 were significantly lower in the HRE group than in the HC group. The levels of an inflammation marker, IL-18, were also significantly lower in the HRE group than in the NC and HC groups. The levels of macrophage markers F480 and CD86 were significantly lower in the HRE group than in the HC group. The levels of the M2 macrophage marker CD206 were significantly decreased in the HC and HRE groups. Resveratrol had a positive effect on ameliorating the complications of high fat diet-induced obesity by reducing inflammasome and M1 macrophage gene expressions. However, resveratrol supplementation did not reduce inflammation gene expression.

Serum Insulin, Insulin-like Growth Factor-I and Insulin-like Growth Factor Binding Protein-3 Levels in Obese Adolescents (비만 청소년에서 Insulin, Insulin-like Growth Factor-I, Insulin-like Growth Factor Binding Protein-3에 대한 연구)

  • Kwon, Jung Hyun;Kim, Hyun Jin;Hong, Young Mi
    • Clinical and Experimental Pediatrics
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    • v.48 no.11
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    • pp.1172-1178
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    • 2005
  • Purpose : Childhood Obesity is increasing throughout the world, and it is known to incur many diseases especially in later life such as diabetes and cardiovascular disorders. The purpose of this study was to investigate the association between obesity and insulin, insulin-like growth factor-I (IGF-I), insulin-like growth factor binding protein-3(IGFBP-3) and know if these factors are useful in predicting cardiovascular diseases. Methods : The study group consisted of 64 moderate and severe obese adolescents and the controls were normal adolescents of the same age. body mass index(BMI) was calculated by height and weight; systolic and diastolic blood pressure was measured at resting state. After 10-hour fasting period, blood cholesterol, triglyceride, high density lipoprotein(HDL) cholesterol, low density lipoprotein(LDL) cholesterol, glucose, insulin, free fatty acid, IGF-I and IGFBP-3 were measured. Results : Insulin was significantly higher in the obese adolescent group than the control group(obese group $15.6{\pm}7.0{\mu}IU/mL$, P<0.01). IGF-I was also significantly higher in the obese adolescent group than the control group(obese group $498.1{\pm}122.2ng/mL$, P<0.05). In addition, IGFBP-3 was significantly higher in the obese adolescent group than the control group(obese group $3,777{\pm}4,721ng/mL$, P<0.05). Insulin showed significantly positive correlation with BMI(r=0.3944) and obesity index(r=0.34). IGFBP-3 were significantly correlated with obesity index(r=0.419), diastolic blood pressure (r=0.264) and BMI(r=0.247). Insulin resistance index significantly positive correlation with BMI(r=0.595), blood triglycerid level(r=0.515) and obesity index(r=0.469). Conclusion : Serum insulin, insulin resistance index, IGF-I and IGFBP-3 levels may be useful to predict cardiovascular diseases in adolescent obesity.

The relationships among perception of physique, self-esteem, sociality, and behavioral characteristics in children (소아의 체격에 대한 인식, 자아존중감, 사회성 및 행동특성간의 관계)

  • Jung, Min-Ja;Yoon, Kyung-Lim;Shim, Kye-Shik
    • Clinical and Experimental Pediatrics
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    • v.51 no.10
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    • pp.1052-1057
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    • 2008
  • Purpose : This study was to examine the relations of perception of physique with self-esteem, sociality and problematic behaviors in children. Methods: Four hundred sixty five (231 boys and 234 girls) children were divided into three groups according to their height or body mass index according to the physical growth standard table had been presented in 2007 by the Korean Pediatric Society. The group 1, 2, and 3 was short, borderline and normal or obese, overweight and normal, respectively. Their perception and satisfaction of height and weight were investigated, and their self esteem and behavior styles were examined with Self-Esteem Inventory (SEI) and Korean Child Behavior Checklist (K-CBCL). We compared the numbers of appropriate perception, satisfaction, self-esteem and problematic behaviors in each group, and analyzed the relationship among perception of physique, self-esteem, sociality, and behavioral characteristics. The collected data were analyzed with chi-square test, ANOVA and Pearson correlation coefficient used with SPSS (ver. 12.0). Results : There were significant mismatches among their real physique perception and satisfaction (P<0.05). There were no significant differences of their self-esteem, sociality, and problematic behaviors according to their actual height and weight. There were significant differences of their self-esteem according to their perception or satisfaction of their height and weight (P<0.01). Conclusion : The children who considered themselves have short stature or obesity had problematic behaviors or low self-esteem. Therefore, children should be educated to have the appropriate perception of their own body image.

Carotid Intima-Media Thickness Measurement in Obese Children (비만 소아들에서의 경동맥 내막중막 두께 측정)

  • Park, Kyung Ok;Choi, Suk Ju;Yeom, Hee Hyun;Chung, Sochung;Yu, Jeong Jin;Park, Youngshin;Lee, Dong Hwan
    • Clinical and Experimental Pediatrics
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    • v.48 no.9
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    • pp.935-938
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    • 2005
  • Purpose : The aim of the present study was to ascertain whether the increase of carotid intima-media thickeness(cIMT) as one of premature pathologic changes of atherosclerosis, was present in obese children compared to normal weight children. Methods : The obese group consisted of 21 obese/overweight(body mass index(BMI) above 85 percentile of age, sex standards) children and the control group of 11 normal weight children. None of the children had any chronic illnesses or previous medication history. We investigated the age, sex, height, weight, and systolic/diastolic blood pressure. We measured cIMT by ultrasonogram. In 19 of the obese group, we tested the serum glucose level, liver transaminase level, and cholesterol level etc. Results : The increase of cIMT in obese group did not achieved statistical significance(obese group vs. control group; 0.42 vs. 0.40 mm, P=0.0592). In addition, cIMT showed no significant correlation with any physical/laboratory variables including BMI(P=0.0585). Conclusion : To our knowledge, this is the first study to measure the cIMT in Korean children. Though the results approached statistical significance, we could not prove an increase of cIMT in obese children or an association between cIMT and BMI, due to the study's small sample size. In the future, larger and more extensive trials are needed.

Relationships among Eating Behavior, Dietary Self Efficacy and Nutrition Knowledge according to the Perceived Body Shape of Elementary School Students in Gangwon Province (강원지역 초등학생의 인식체형에 따른 영양지식, 식생활태도, 식이자기효능감과의 관련성)

  • Won, Hyang-Rye
    • The Korean Journal of Community Living Science
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    • v.19 no.4
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    • pp.707-719
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    • 2008
  • This study was carried out to find the relationship among dietary behavior, dietary self efficacy and nutrition knowledge according to the perceived body shape of the 5th and 6th grade elementary students in Gangwon Province and found out their relationships. The results are as follows; The factors that showed significant difference according to perceived body shape were gender, father's education level, the number of siblings, birth order, obesity of parents and siblings and ideal body shape. For the perceived body shape, the students answered generally normal(48.9%), slightly fat(27.9%), thin(16.5%) and very fat(6.7%). Out of total students 76.5% of them were not satisfied with their body shape such that satisfactory(23.5%), want to lose weight(61.4%) and want to increase weight(15.1%). The score of eating behavior showed significant difference between perceived body shape on such questions as eating speed(p<0.001), frequency of fatty food intake(p<0.001), adequate intake quantity(p<0.001), balanced diet(p<0.05), frequency of going out to eat(p<0.001). The score of diet self efficacy showed significant difference in the area of general habit on such questions as whether to eat slowly together with friends (p<0.001), whether to eat adequate quantity(p<0.001), whether not to have snacks after dinner(p<0.001). And in the area of food selection it showed significant difference on such questions as to select ice cream in stead of yoplait(p<0.001). In the area of social circumstance it showed significant difference on such questions as to reject the food(p<0.01) and to restrain food in birthday party or holiday(p<0.05). In the area of emotional status it showed significant difference on the question about food restrain when boring and depressed(p<0.05 respectively). The score of nutrition knowledge showed significant difference according to the perceived body shape on such questions as total score(p<0.01), five basic food group(p<0.05), snack and body weight(p<0.001), calcium function(p<0.01). It showed perceived body shape co-related with the nutrition knowledge(p<0.01). In summary, the perceived body shape for the highly eating behavior was generally normal, for the highly dietary self efficacy was slightly fat, and for the highly nutrition knowledge was also slightly fat.

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