Metabolic syndrome is defined as a cluster of glucose intolerance, hypertension, dyslipidemia and central obesity with insulin resistance as the source of pathogenesis. Although several different combinations of criteria have been used to define metabolic syndrome, a recently published consensus recommends the use of ethnic-specific criteria, including waist circumference as an indicator of central obesity, triglyceride and high-density lipoprotein (HDL) cholesterol as indicators of dyslipidemia, and blood pressure greater than 130/85 mmHg. The definition of dysglycemia, and whether central obesity and insulin resistance are essential components remain controversial. Regardless of the definition, the prevalence of metabolic syndrome is increasing in Western and Asian countries, particularly in developing areas undergoing rapid socioenvironmental changes. Numerous clinical trials have shown that metabolic syndrome is an important risk factor for cardiovascular disease (CVD), type 2 diabetes mellitus and all-cause mortality. Therefore, metabolic syndrome might be useful as a practical tool to predict these two major metabolic disorders. Comprehensive management of risk factors is very important to the improvement of personal and public health. However, recent studies have focused on the role metabolic syndrome plays as a risk factor for CVD; its importance in the prediction of incident diabetes is frequently overlooked. In the present review, we summarize the known evidence supporting metabolic syndrome as a predictor for type 2 diabetes mellitus and CVD. Additionally, we suggest how metabolic syndrome might be useful in clinical practice, especially for the prediction of diabetes. (J Diabetes Invest,
The purpose of this study was to examine entrance examination-related stress, mental health, and the quality of life of high school students with and without irritable bowel syndrome. We administered a descriptive survey by collecting data from 1,877 students from eight schools in Gyeonggi province, Korea. This study employed the Rome III criteria for the assessment of irritable bowel syndrome, an entrance examination stress scale for measuring entrance examination-related stress, the revised Symptom Checklist-90-Revised for measuring mental health, and the World Health Organization Quality of Life Scale Abbreviated Version for measuring the quality of life. The frequency of irritable bowel syndrome in students was 19.0%. A majority had a mixed constipation and diarrhea subtype of irritable bowel syndrome. Compared with the high school students without irritable bowel syndrome, those with irritable bowel syndrome reported a significantly higher score on the entrance examination stress scale, Symptom Checklist-90-Revised, and World Health Organization Quality of Life Scale Abbreviated Version. Results suggest support for creating a high school education program that provides knowledge and information about irritable bowel syndrome to students. Furthermore, it is important to explore suitable therapeutic approaches and nursing interventions for this population.
Purpose: Nurses' management of Nursing Home residents' remaining functional ability is phenomena emphasizing as the main practice focus in long term care and has specific meanings within the context of quality of life for fragile and disabled elderly people in nursing homes. This study was conducted to clarify and to conceptualize the phenomena of nurses' management of nursing home residents' remaining functional ability. Method: The Hybrid Model of concept development was applied to develop a concept of nurses' management of residents' remaining functional ability. Results: This concept of nurse' management emerged as a phenomenon having meanings in two different dimensions, deliberation and enactment for five types of residents: residents with declining function and dementia requiring nursing assistance, bedridden residents with moderate dementia, residents with advanced dementia and behavior problems, but good physical health, residents at the end of life stage, and bedridden residents with intact mental health. Conclusions: Results indicate that nurses' management of remaining functional ability of residents in nursing homes is a concept having types of needs that should be treated in specified ways. Interventions should have a positive impacts on practical applications in nursing homes and on enhancing residents' remaining function.
Diquafosol is known as a purinergic P2Y2 receptor (P2Y2R) agonist that stimulates water and mucin secretion from conjunctival epithelial cells and goblet cells, leading to tear film stability in dry eye. However, its effect on corneal epithelial healing has not yet been elucidated. The aim of the present study was to evaluate the effect of diquafosol on corneal epithelial healing in vivo and on P2Y2R-related downstream signaling pathways in vitro. We administered 3% diquafosol ophthalmic solution on 3 mm-diameter epithelial defects made in rat corneas and assessed the wound closure over time. Corneal epithelial healing was significantly accelerated in diquafosol-treated eyes compared to control eyes at 12 and 24 h. During wound healing, P2Y2R staining appeared stronger in the re-epithelized margin near the wound defect. To evaluate whether diquafosol stimulates epidermal growth factor receptor/extracellular-signal-regulated kinase (EGFR/ERK)-related cell proliferation and migration, simian virus 40-transfected human corneal epithelial (THCE) cells were used for in vitro experiments. Cell proliferation was accelerated by diquafosol at concentrations from 20 to 200 μM during 48 h, but inhibited at concentrations over 2000 μM. The intracellular calcium ([Ca(2+)]i) elevation was measured in diquafosol (100 μM)-stimulated cells using Fluo-4/AM ([Ca(2+)]i indicator). [Ca(2+)]i elevation was observed in diquafosol-stimulated cells regardless of the presence of calcium in media, and suramin pretreatment inhibited the calcium response. The effect of diquafosol on phosphorylation of EGFR, ERK and Akt, and cell migration was determined by western blotting and in vitro cell migration assay. Diquafosol induced phosphorylation of EGFR at 2 min post-stimulation, and phosphorylation of ERK at 5 min post-stimulation. Phosphorylation of ERK was attenuated in cells pretreated with suramin or BAPTA/AM ([Ca(2+)]i chelator), and partially with AG1478 (EGFR inhibitor). Likewise, diquafosol-treated cells showed acceleration of gap closure in cell migration assay, which was inhibited by suramin, BAPTA/AM, AG1478, and U0126 (MEK inhibitor). These studies demonstrate that diquafosol is effective in promoting corneal epithelial wound healing and that this effect may result from ERK-stimulated cell proliferation and migration via P2Y2R-mediated [Ca(2+)]i elevation.
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