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Retraction: Wheatgrass extract inhibits hypoxia-inducible factor-1-mediated epithelial-mesenchymal transition in A549 cells

Do NY, Shin HJ, Lee JE

The editors of Nutrition Research and Practice (NRP) received a letter from a corresponding author who raised concerns regarding this paper. NRP's special committee on research ethics launched an investigation...
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An association between diet quality index for Koreans (DQI-K) and total mortality in Health Examinees Gem (HEXA-G) study

Lim J, Lee Y, Shin S, Lee HW, Kim CE, Lee JK, Lee SA, Kang D

BACKGROUND/OBJECTIVES: Diet quality scores or indices, based on dietary guidelines, are used to summarize dietary intake into a single numeric variable. The aim of this study was to examine the...
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Forecasting obesity prevalence in Korean adults for the years 2020 and 2030 by the analysis of contributing factors

Baik I

BACKGROUND/OBJECTIVES: There are few studies that forecast the future prevalence of obesity based on the predicted prevalence model including contributing factors. The present study aimed to identify factors associated with...
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Parents' meal choices for their children at fast food and family restaurants with different menu labeling presentations

Lee K, Lee Y

BACKGROUND/OBJECTIVES: This study examined the effect of nutrition labeling formats on parents' food choices for their children at different restaurant types. SUBJECTS/METHODS: An online survey was conducted with 1,980 parents of...
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Impact of fish consumption by subjects with prediabetes on the metabolic risk factors: using data in the 2015 (6th) Korea National Health and Nutrition Examination Surveys

Kim KY, Park JS

BACKGROUND/OBJECTIVES: The effects of fish consumption by subjects with prediabetes on the metabolic risk factors were examined based on the data from the 6th Korea National Health and Nutrition Examination...
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Total energy intake according to the level of skeletal muscle mass in Korean adults aged 30 years and older: an analysis of the Korean National Health and Nutrition Examination Surveys (KNHANES) 2008–2011

Jang BY, Bu SY

BACKGROUND/OBJECTIVES: Since gain or loss of skeletal muscle mass is a gradual event and occurs due to a combination of lifestyle factors, assessment of dietary factors related to skeletal muscle...
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Current status of nutritional support for hospitalized children: a nationwide hospital-based survey in South Korea

Kim S, Lee EH, Yang HR

BACKGROUND/OBJECTIVES: The prevalence of malnutrition among hospitalized children ranges between 12% and 24%. Although the consequences of hospital malnutrition are enormous, it is often unrecognized and untreated. The aim of...
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Two combined amino acids promote sleep activity in caffeine-induced sleepless model systems

Hong KB, Park Y, Suh HJ

BACKGROUND/OBJECTIVES: The aim of this study was to evaluate the biological and sleep-promoting effects of combined γ-aminobutyric acid (GABA) and 5-hydroxytryptophan (5-HTP) using caffeine-induced sleepless fruit flies, ICR mice, and...
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GABA-enriched fermented Laminaria japonica improves cognitive impairment and neuroplasticity in scopolamine- and ethanol-induced dementia model mice

Reid SN, Ryu JK, Kim Y, Jeon BH

BACKGROUND/OBJECTIVES: Fermented Laminaria japonica (FL), a type sea tangle used as a functional food ingredient, has been reported to possess cognitive improving properties that may aid in the treatment of...
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Comparison of the effect of three licorice varieties on cognitive improvement via an amelioration of neuroinflammation in lipopolysaccharide-induced mice

Cho MJ, Kim JH, Park CH, Lee AY, Shin YS, Lee JH, Park CG, Cho EJ

BACKGROUND/OBJECTIVES: Neuroinflammation plays critical role in neurodegenerative disorders, such as Alzheimer's disease (AD). We investigated the effect of three licorice varieties, Glycyrhiza uralensis, G. glabra, and Shinwongam (SW) on a...
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A Portulaca oleracea L. extract promotes insulin secretion via a K⁺(ATP) channel dependent pathway in INS-1 pancreatic β-cells

Park JE, Han JS

BACKGROUND/OBJECTIVE: This study was designed to investigate how a Portulaca oleracea L. extract (POE) stimulates insulin secretion in INS-1 pancreatic β-cells. MATERIALS/METHOD: INS-1 pancreatic β-cells were incubated in the presence of...
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