• The Monthly Diabetes
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• s.194
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• pp.18-23
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• 2006

인슐린은 저항성은 고인슐린혈증, 당불내성, 혈청 지질대사 이상, 고혈압 등을 발생시켜 이들 대사장애를 모두 일컬어 X-증후군, 일반적으로 대사증후군으로 부른다. 당뇨병의 합병증을 예방하거나 치료시 반드시 고혈압은 치료해야 한다.

• Journal of the korean veterinary medical association
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• v.30 no.2
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• pp.96-108
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• 1994

대부분의 당뇨병이 있는 개와 고양이는 쉽게 진단할 수 있고 초기에 적절한 식이관리와 중간형 또는 지속형 인슐린을 하루에 1회 또는 2회 투여함으로써 적절히 관리할 수 있다. 당뇨병의 장기간 관리는 체중, 물섭취량과 연속적인 혈당치의 감시에 의하여 적절히 수행할 수 있다. 연속적인 혈당치 측정은 인슐린 치료와 관련된 잠재적인 문제점(저혈당증, 인슐린 유발성 과혈당증, 인슐린 내성)을 확인하거나 피할 수 있는 가능성을 높여 주며, 혈당을 적절한 수준으로 유지시켜 만성 당뇨병의 합병증 발생율을 줄이거나 지연시킬 수 있게 해준다.

• Journal of Yeungnam Medical Science
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• v.9 no.1
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• pp.121-129
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• 1992

The effect of exercise on plasma insulin, free fatty acid, and glucose uptake and glycogen concentration in soleus, and intravenous glucose tolerance of streptozotocin treated, diabetic Sprague-Dawley rats were studied. Diabetic-trained animals were Subjected to a regular program of treadmill running for 4 weeks. Seventy-two hours after the last training session, basal and insulin-stimulated glucose uptake was studied in incubated strips(about 20mg) of soleus muscle in vitro. Glucose tolerance was measured with intravenous infusion of 0.5g glucose/kg body weight. In diabetic rats, training was associated with increased glucose uptake in basal and maximal insulin concentrations, decreased fasting glucose concentrations, and increased muscle glycogen levels, but there were no changes in glucose tolerance curve and plasma insulin concentrations. These results suggest that regular running program for 4 weeks improve responsiveness of insulin on soleus muscle, but fails to cause improvement of impaired intravenous glucose tolerance in mild degree streptozotocin induced diabetic rats.

• KOREAN ASSOCIATION OF OCCUPATIONAL HEALTH NURSES
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• v.19 no.1
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• pp.18-24
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• 2012

동서양을 망라하여 전 세계적으로 비알코올성 지방간(Nonalcoholic fatty liver disease[NAFLD])의 발생률은 증가추세에 있다. NAFLD는 간에 중성지방(triacylglyceride)이 비정상적으로 축적되어 발생하지만, 사람에 따라서는 간조직에 염증반응이 초래되고, 심지어 간경화, 간암으로까지 진행되기도 한다. NAFLD의 원인이 비만, 인슐린내성과 같은 대사증후군과 연관되기는 하지만, 정확한 병리기전은 아직 규명되지 않았다. 따라서, 치료방법도 충분히 개발되지 못하고 있다. 그럼에도 불구하고, NAFLD에 있어 분명한 점은, 예방과 악화방지가 가능하다는 사실이다.

• Journal of the East Asian Society of Dietary Life
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• v.22 no.3
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• pp.334-340
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• 2012

This study was carried out to investigate the effects of Opuntia ficus-indica complex (OF) on blood glucose, glucose tolerance, plasma insulin level and histopathological appearance of pancreatic islets in streptozotoxin (STZ)-induced diabetic rats. Thirty-two male Sprague-Daweley rats were divided into non-diabetic control (NC), diabetic control (DC), diabetic OF of 2% (OF-2) and diabetic OF of 5% (OF-5) and fed experimental diets for 3 weeks. Compared to the DC group fasting blood glucose levels in the OF-2 and OF-5 groups were significantly (p<0.05) reduced while fasting plasma insulin level in the OF-2 and OF-5 groups were significantly (p<0.05) increased. Glucose tolerance in the OF-2 and OF-5 groups were improved. Histopathological observation of pancreatic islets of the OF-2 and OF-5 groups showed hyperplasia which was very similar to NC. Numbers of ${\beta}$-cells in OF-2 ($47.81{\pm}0.92$) and OF-5 ($81.64{\pm}2.80$) were higher than numbers of ${\beta}$-cells in DC ($13.18{\pm}1.01$). These results imply that the intake of OF improves ${\beta}$-cell proliferation and prevents the death of ${\beta}$-cells in STZ-induced diabetic rats.

• The Monthly Diabetes
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• s.221
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• pp.8-10
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• 2008

당뇨병은 인슐린 분비 부족이나 내성에 의해 체내의 고혈당이 생기는 질환으로 주로 미세혈관계에 이상이 발생하여 우리 몸의 모든 곳에 합병증이 생기는 질환이다. 당뇨로 인한 합병증이 주로 나타나는 곳은 신경, 콩팥, 그리고 눈이며 특히 최근에 선진국에서 실명의 가장 큰 원인은 당뇨병성 망막증이다. 당뇨로 인하여 생기는 눈의 변화는 각막진무름, 백내장, 녹내장, 망막증, 외안근마비, 시신경염 등 다양하게 나타날 수 있으며 조기에 치료하지 않으면 결국 실명에 까지 갈 수 있는 무서운 결과를 초래한다.

• Food Science and Preservation
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• v.22 no.6
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• pp.893-900
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• 2015

In this study, we evaluated the antidiabetic effect of a submerged culture of Ceriporia lacerata mycelium (CL01) on hematological indices, as well as protein and mRNA expression of the insulin-signaling pathway, in db/db mice. After CL01 was administrated for 4 weeks, blood glucose levels decreased consistently, and plasma insulin and c-peptide levels each decreased by roughly 55.8%, 40% of those in the negative control (p<0.05). With regard to HOMA-IR, an insulin resistance index, insulin resistance of the CL01-fed group improved over that of the negative control group by about 62% (p<0.05). In addition, we demonstrated that the protein expression levels of pIR, pAkt, pAMPK, and GLUT4 and the mRNA expression levels of Akt2, IRS1, and GLUT4 in the muscle cells of db/db mice increased in the CL01-fed group compared to the corresponding levels in the control group. These results demonstrate that CL01 affects glucose metabolism, upregulates protein and gene expression in the insulin-signaling pathway, and decreases blood glucose levels effectively by improving insulin sensitivity. More than 90% of those who suffer from type 2 diabetes are more likely to suffer from hyperinsulinemia, hypertension, obesity, and other comorbidities because of insulin resistance. Therefore, it is possible that CL01 intake could be used as a fundamental treatment for type 2 diabetes by lowering insulin resistance, and these results may prove be useful as basic evidence for further research into the mechanisms of a cure for type 2 diabetes.

• Journal of the Korean Society of Food Science and Nutrition
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• v.41 no.6
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• pp.774-781
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• 2012

This study investigated dose-response effects of chlorogenic acid (CA) on glucose metabolism and the antioxidant system in streptozotocin (STZ)-induced diabetic mice with a high-fat diet (HFD). Male ICR mice were fed with a HFD (37% calories from fat) for 4 weeks prior to intraperitoneal injection with STZ (100 mg/kg body weight). Diabetic mice were supplemented with two doses of CA (0.02% and 0.05%, wt/wt) for 6 weeks. Both doses of CA significantly improved fasting blood glucose level, glucose tolerance and insulin tolerance without any changes in plasma insulin and C-peptide levels. Plasma leptin concentration was significantly higher in the CA-supplemented groups than in the diabetic control group. Both doses of CA significantly increased hepatic glucokinase activity and decreased glucose-6-phosphatase activity compared to the diabetic control group. The ratio of glucokinase/glucose-6-phosphatase was dose-independently higher in CA-supplemented mice than in diabetic control mice. CA supplementation dose-independently elevated superoxide dismutase and catalase activities, whereas it lowered lipid peroxide levels compared to the diabetic control mice in the liver and erythrocyte. These results suggest that low-dose CA may be used as a hypoglycemic agent in a high-fat diet and STZ-induced diabetic mice.

• Korean Journal of Food Science and Technology
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• v.46 no.1
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• pp.100-107
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• 2014

We evaluated preventive effects of Suaeda japonica (SJ) and Spergularia marina Griseb (SMG) on the insulin resistance in Otsuka Long-Evans Tokushima Fatty (OLETF) rats. The 10-week old OLETF rats were fed diets containing 3% (w/w) SJ and SMG for 18 weeks. Fasting blood glucose levels in SJ and SMG groups, measured using the oral glucose tolerance test, were lower than that of the control rats. The SMG group showed significantly lower levels of insulin, glycated hemoglobin, triglyceride, and total cholesterol than the control group. In addition, these levels were relatively lower in the SJ group than those in the control rats. The SJ and SMG groups had relatively lower protein levels of nuclear factor-kappa B (NF-${\kappa}B$) p65 in adipose tissue and serine phosphorylated insulin receptor substrate 1 (IRS-1) in skeletal muscle than the control group. These results suggest that SJ and SMG prevent insulin resistance and SMG in particular reduces blood triglyceride and total cholesterol levels.

• Journal of the Korean Society of Food Science and Nutrition
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• v.43 no.7
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• pp.963-971
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• 2014

This study investigated the effects of exercise intensity on PGC-$1{\alpha}$, PPAR-${\gamma}$, and insulin resistance in skeletal muscle of high fat diet-fed Sprague-Dawley rats. Forty rats were randomly divided into five groups: sedentary control group (SED), high fat diet group (HF), high fat diet+low-intensity exercise group (HFLE, 22 m/min, 60 min, 6 days/week), high fat diet+moderate-intensity exercise group (HFME, 26 m/min, 51 min), and high fat diet+high-intensity exercise group (HFHE, 30 m/min, 46 min). After 4 weeks of high fat diet and endurance exercise training, the lipid profiles, insulin, and glucose concentrations were determined in plasma. PGC-$1{\alpha}$, PPAR-${\gamma}$, and GLUT-4 contents were measured in plantaris muscle. The rate of glucose transport in soleus muscle was determined under submaximal insulin concentration ($1,000{\mu}IU/mL$ insulin, 20 min) during muscle incubation. Plasma glucose during oral glucose tolerance test in HF was significantly greater than that in SED, and plasma glucose levels in the three exercise (EX) groups were significantly lower that those in SED and HF at 30 and 60 min, respectively (P<0.05). Plasma insulin levels in the EX groups were significantly reduced by 60 min compared to that in HF (P<0.05). The protein expression level of PGC-$1{\alpha}$ as well as muscle glucose uptake were significantly higher in SED and HF than those in the three EX groups (P<0.05), and HFHE showed significantly higher levels than HFLE and HFME. Expression levels of GLUT-4 and PPAR-${\gamma}$ were significantly higher in the HFLE, HFME, and HFHE groups compared to the SED and HF (P<0.05). Therefore, the results of this study indicate that 4 weeks of high fat diet significantly developed whole body insulin resistance but did not affect PGC-$1{\alpha}$, PPAR-${\gamma}$, or the glucose transport rate in skeletal muscle, and exercise training was able to attenuate deteriorated whole body insulin resistance due to high fat diet. In addition, high intensity training significantly affected PGC-$1{\alpha}$ expression and the glucose transport rate of skeletal muscle in comparison with low and middle training intensities.