Microalbuminuria is a strong predictor of diabetic nephropathy and is also associated with increased mortality in people with non-insulin-dependent diabetes mellitus(NIDDM) patients. Improved glycemic control and dietary protein restriction are recommended to retard and avoid developing microalbuminuria. The purpose of this study was to measure the dietary counseling effects for diabetes mellitus patients with microalbuminuria. To investigate the effects of the dietary counseling effect, thirty NIDDM patients with microalbuminuria were selected from outpatient diabetic clinic of Seoul National University Hospital for this study. None of them had evidence of renal and heart complications. For 24 weeks, they received individualized dietary counseling 3 times. The results of this study can be summarized as follows 1) Dietary protein and calorie intake decreased significantly from 79.8$\pm$29.9g/d to 66.6$\pm$16.5g/d, from 1845.4$\pm$631.9kcal to 1515.7$\pm$392.7kcal after dietary counseling, respectively (p<0.05). 2)The glycosylate hemoglobin level showed significantly decreased after dietary counseling(p<0.05). However there were no change in lipid profiles and blood pressure after counseling. 3) There was a significant correlation between the duration of disease and the amount of microalbuminuria. Any other cardiovascular risk factors, such as duration of diabetes, total cholesterol level and systolic blood pressure were not correlated with microalbuminuria. These results shown that dietary counseling can be used as an effective therapy to control blood sugar levels for NIDDM patients who are poorly controlled with microalbuminuria.
Carnosine is a dipeptide $(\beta-alanyl-L-histidine)$ found in mammalian brain, eye, olfactory bulb and skeletal muscle at high concentrations. Its biological functions include antioxidant and anti-glycation activities. The objectives of this study were to investigate anti-diabetic effects of carnosine as determined by blood glucose levels, glucose tolerance test (GTT), glycosylated hemoglobin, and serum biochemical and lipid levels in streptozotocin-induced diabetic mice. There were five experimental groups including normal (ICR mice), control (saline), and three groups of carnosine at doses of 6, 30, and 150 mg/kg b.w.. Carnosine was orally administered to the diabetic mice everyday for 12 weeks. There was no significant difference in body weight changes in carnosine-treated groups compared to the control. The treatments of carnosine at the dose of 6 mg/kg significantly decreased the blood glucose level compared with the control at 2 and 4 weeks. The treatments of carnosine at the doses of 6 and 30 mg/kg significantly decreased the blood glucose levels in GTT and glycosylated hemoglobin compared with the control. Carnosine significantly increased total proteins compared with the control. Carnosine at the dose of 6 mg/kg significantly decreased total cholesterol and triglyceride in the serum compared to the control. These results suggest that carnosine at a low level has a hypoglycermic effect resulting from reduction of blood glucose and that a carnosine-containing diet or drug may give a benefit for controlling diabetes mellitus in humans.
Hwang, Hye-Jin;Baek, Yu-Mi;Kim, Sang-Woo;Kumar, G. Suresh;Cho, Eun-Jae;Oh, Jung-Young;Yun, Jong-Won
Journal of Microbiology and Biotechnology
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제17권12호
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pp.2005-2017
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2007
Diabetic nephropathy remains a major cause of morbidity and mortality in the diabetic population and is the leading cause of end-stage renal failure. Despite current therapeutics including intensified glycemic control and blood pressure lowering agents, renal disease continues to progress relentlessly in diabetic patients, albeit at a lower rate. Since synthetic drugs for diabetes are known to have side effects, fungal mushrooms as a natural product come into preventing the development of diabetes. Our previous report showed the hypoglycemic effect of extracellular fungal polysaccharides (EPS) in streptozotocin (STZ)-induced diabetic rats. In this study, we analyzed the differential expression patterns of rat kidney proteins from normal, STZ-induced diabetic, and EPS-treated diabetic rats, to discover diabetes-associated proteins in rat kidney. The results of proteomic analysis revealed that up to 500 protein spots were visualized, of which 291 spots were differentially expressed in the three experimental groups. Eventually, 51 spots were statistically significant and were identified by peptide mass fingerprinting. Among the differentially expressed renal proteins, 10 were increased and 16 were decreased significantly in diabetic rat kidney. The levels of different proteins, altered after diabetes induction, were returned to approximately those of the healthy rats by EPS treatment. A histopathological examination showed that EPS administration restored the impaired kidney to almost normal architecture. The study of protein expression in the normal and diabetic kidney tissues enabled us to find several diabetic nephropathy-specific proteins, such as phospholipids scramblase 3 and tropomyosin 3, which have not been mentioned yet in connection with diabetes.
Ghosh, Chiranjit;Yang, Seung Hak;Kim, Jong Geun;Jeon, Tae-Il;Yoon, Byung Hyun;Lee, Jai Young;Lee, Eun Young;Choi, Seok Geun;Hwang, Seong Gu
Asian-Australasian Journal of Animal Sciences
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제26권8호
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pp.1189-1196
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2013
Adipose tissue development and function play a critical role in the regulation of energy balance, lipid metabolism, and the pathophysiology of metabolic syndromes. Although the effect of zinc ascorbate supplementation in diabetes or glycemic control is known in humans, the underlying mechanism is not well described. Here, we investigated the effect of a zinc-chelated vitamin C (ZnC) compound on the adipogenic differentiation of 3T3-L1 preadipocytes. Treatment with ZnC for 8 d significantly promoted adipogenesis, which was characterized by increased glycerol-3-phosphate dehydrogenase activity and intracellular lipid accumulation in 3T3-L1 cells. Meanwhile, ZnC induced a pronounced up-regulation of the expression of glucose transporter type 4 (GLUT4) and the adipocyte-specific gene adipocyte protein 2 (aP2). Analysis of mRNA and protein levels further showed that ZnC increased the sequential expression of peroxisome proliferator-activated receptor gamma ($PPAR{\gamma}$) and CCAAT/enhancer-binding protein alpha (C/$EBP{\alpha}$), the key transcription factors of adipogenesis. These results indicate that ZnC could promote adipogenesis through $PPAR{\gamma}$ and C/$EBP{\alpha}$, which act synergistically for the expression of aP2 and GLUT4, leading to the generation of insulin-responsive adipocytes and can thereby be useful as a novel therapeutic agent for the management of diabetes and related metabolic disorders.
The aim of this study was to appraise the influence of conventional periodontal treatment on metabolic control in Korean type 2 diabetic patients. In addition, their periodontal change was compared with non-diabetic patients. Before and after treatment, it was performed to measure periodontal and metabolic indices in thirteen type 2 diabetic patients. Periodontal indices included plaque index, gingival index, bleeding on probing, probing pocket depth, gingival recession, and clinical attachment level. Metabolic indices included glycated hemoglobin(HbA1c), fasting plasma glucose, fasting plasma insulin, total cholesterol, triglyceride, and HDL-cholesterol. Plaque index, gingival index, bleeding on probing, probing pocket depth, and gingival recession showed significant improvements in the statistics. Diabetic patients showed no statistically significant differences in the changes of periodontal indices compared with non-diabetic patients. HbA1c values decreased in five of the thirteen subjects and fasting plasma glucose levels were reduced in four of the seven subjects after periodontal treatment. All five subjects whom HOMA values were calculated in showed the increases of insulin secretions. The results of this study ascertained the possibility of the better glycemic contol after conventional periodontal treatment in Korean type 2 diabetic patients and diabetes were well healed of their periodontal diseases after the treatment.
Impaired glucose tolerance(IGT) & Impaired fasting glucose(IFG) were standardized in 1979 by the National Diabetes Data Group and the World Health Organization as a risk factor for type 2 diabetes. The main clinical significance of IGT & IFG shows some risk factors on type 2 diabetes, cardiovascular disease and component of the metabolic syndrome. In 1997, the American Diabetes Association(ADA) proposed the new classification and diagnostic criteria for diabetes, which wss striction on the diagnostic baseline of Diabetes from 140 mg/dl to 126 mg/dl. This is because that the early diagnosis and treatments can prevent chronic complications. In the oriental medicine, Gamiyookmigihwang-tang has been using for the treatments of Diabetes including IGT & IFG; however, there have not been enough studies about the effect of the glycemic control objectively. So clinical studies have been performed on a mild DM(Diabetes Mellitus) patient with IGT and IFG in order to investigate whether there is hypoglycemic effect of Gamiyookmigihwang-tang. Prior to the study, for two weeks fasting blood sugar(FBS) and postprandial 2hrs(PP2hrs) glucose were checked. in addition ECG, T-cholesterol, TG, HbA1c levels were measured; then, Gamiyookmigihwang-tang has administrated for 4 weeks. and FBS, PP2hrs, T-cholesterol, TG, HbA1c were measured again after the herb medicine treatment. FBS, PP2hrs glucose levels and other measuring levels (T-cholesterol, TG, HbA1c) were decreased by the administration of Gamiyookmigihwang-tang. Gamiyookmigihwang-tang has hypoglycemic effects on a mild DM patient with IGT and IFG.
Franca, Eduardo Luzia;Franca-Botelho, Aline Do Carmo;Franca, Juliana Luzia;Ferrari, Carlos Kusano Bucalen;Honorio-Franca, Adenilda Cristina
Asian Pacific Journal of Cancer Prevention
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제14권11호
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pp.6233-6239
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2013
Diabetes represents a serious health problem. In the diabetic state, alterations in metabolism, increased susceptibility to infections and immunological changes occur. The suppression of the immune response has been identified as a relevant factor that contributes to the increase in the rate of infections in these patients. At the same time, breast cancer is the most frequent malignant tumor in women. The molecular and cellular mechanisms underlying cancer development have revealed that immune cells functionally regulate epithelial cancer development and progression. Breastfeeding has been hypothesized to reduce the risk of breast cancer. However, early systematic reviews have not yielded consistent findings for this association. The demand for human milk is increasing due to the promotion and consumer acceptance of the health benefits of consuming a natural product rich in bioactive components. However, due to changes in glucose metabolism, the components of the milk from diabetic women are modified depending on the time of evaluation. In this literature review, we summarize important new findings revealing the paradoxical role of breastfeeding in preventing the onset of breast cancer in diabetic mothers. We hypothesized that the milk component production in diabetic mothers is affected by changes in glucose metabolism. Therefore, adequate maternal glycemic control and an adequate duration of breastfeeding for diabetic mothers are crucial to ensure that the immunity components are able to confer protection against breast cancer.
Choi, Han Seok;Kim, Sunmi;Kim, Min Jung;Kim, Myung-Sunny;Kim, Juewon;Park, Chan-Woong;Seo, Daebang;Shin, Song Seok;Oh, Sang Woo
Journal of Ginseng Research
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제42권1호
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pp.90-97
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2018
Background: Antihyperglycemic effects of Panax ginseng berry have never been explored in humans. The aims of this study were to assess the efficacy and safety of a 12-wk treatment with ginseng berry extract in participants with a fasting glucose level between 100 mg/dL and 140 mg/dL. Methods: This study was a 12-wk, randomized, double-blind, placebo-controlled clinical trial. A total of 72 participants were randomly allocated to two groups of either ginseng berry extract or placebo, and 63 participants completed the study. The parameters related to glucose metabolism were assessed. Results: Although the present study failed to show significant antihyperglycemic effects of ginseng berry extract on the parameters related to blood glucose and lipid metabolism in the total study population, it demonstrated that ginseng berry extract could significantly decrease serum concentration of fasting glucose by 3.7% (p = 0.035), postprandial glucose at 60 min during 75 g oral glucose tolerance test by 10.7% (p = 0.006), and the area under the curve for glucose by 7.7% (p = 0.024) in those with fasting glucose level of 110 mg/dL or higher, while the placebo group did not exhibit a statistically significant decrease. Safety profiles were not different between the two groups. Conclusion: The present study suggests that ginseng berry extract has the potential to improve glucose metabolism in human, especially in those with fasting glucose level of 110 mg/dL or higher. For a more meaningful benefit, further research in people with higher blood glucose levels is required.
Kim, SoRa;Kim, Dae Hoon;Kim, Young-Seok;Ha, Tae-Young;Yang, Jin;Park, Soo Hyun;Jeong, Kwang Won;Rhee, Jae-Keol
Biomolecules & Therapeutics
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제22권5호
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pp.400-405
/
2014
G-protein coupled receptor 119 (GPR119) has emerged as a novel target for the treatment of type 2 diabetes mellitus. GPR119 is involved in glucose-stimulated insulin secretion (GSIS) from the pancreatic b-cells and intestinal cells. In this study, we identified a novel small-molecule GPR119 agonist, HD047703, which raises intracellular cAMP concentrations in pancreatic ${\beta}$-cells and can be expected to potentiate glucose-stimulated insulin secretion from human GPR119 receptor stably expressing cells (CHO cells). We evaluated the acute efficacy of HD047703 by the oral glucose tolerance test (OGTT) in normal C57BL/6J mice. Then, chronic administrations of HD047703 were performed to determine its efficacy in various diabetic rodent models. Single administration of HD047703 caused improved glycemic control during OGTT in a dose-dependent manner in normal mice, and the plasma GLP-1 level was also increased. With respect to chronic efficacy, we observed a decline in blood glucose levels in db/db, ob/ob and DIO mice. These results suggest that HD047703 may be a potentially promising anti-diabetic agent.
Diabetes carries an increased risk of atherosclerotic disease that is not fully explained by known car-diovascular risk factors. There is accumulating evidence that advanced glycation of structural proteins, and oxidation and glycation of circulating lipoproteins, are implicated in the pathogenesis of diabetic ather-osclerosis. Reactions involving glycation and oxidation of proteins and lipids are believed to contribute to atherogenesis. Glycation, the nonenzymatic binding of glucose to protein molecules, can increase the ather-ogenic potential of certain plasma constituents, including low density lipoptotein(LDL). Glycation of LDL is significant increased in diabetic patients compared with normal subjects, even in the presence of good glycemic control. Metabolic abnormalities associated with glycation of LDL include diminished recognition of LDL by the classic LDL receptor; increased covalent binding of LDL in vessel walls ; enhanced uptake of LDL by the macrophages, thus stimulating foam cell formation ; increased platelet aggregation; formation of LDL-immune complexes ; and generation of oxygen free radicals, resulting on oxidative damage to both the lipid and protein components of LDL and to any nearby macromolecules. Oxidized lipoproteins are characterzied by cytotoxicity, potent stimulation of foam cell formation by macrophages, and procoagulant effects. Combined glycation and oxidation, "glycoxidation" occurs when oxidative reactions affect the initial products of glycation, and results in irreversible structural alterations of proteins. Glycoxidation is of greatest significance in long lived proteins such as collagen. In these proteins, glycoxidation products, believed to be atherogenic, accumulate with advancing age : in diabetes, their rate of accumulate is accelerated. Inhibition of glycation, oxidation and glycoxidation may form the basis of future antiaterogenic strategies in both diabetic and nondiabetic individuals.dividuals.
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