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Query: UMLS:C0011860 (type 2 diabetes)
 57,723 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Insulin resistance syndromes are heterogeneous in either severity or mechanism. Many drugs have been shown to counteract various elements of insulin resistance. Some of them, by normalization of metabolic parameters, decrease insulin resistance induced by chronic hyperglycemia in diabetes. Insulin and, to some extent, sulfonylureas are in this group, but these drugs are not stricto sensu medication of insulin resistance. Some drugs sensitize peripheral tissues to the action of insulin. For instance, biguanides and thiazolidine-dione facilitate translocation to the membrane of glucose transporter in presence of insulin. Other compounds as vanadate or IGF-1 mimic some peripheral action of insulin. Finally, blockade of FFA oxidation by specific inhibitors (methylpalmoxyrate) can limit insulin resistance. In 1992, among these compounds, specific of insulin resistance, biguanides are mostly used. However, the efficacy of these drugs is moderate and limited to type 2 diabetes.
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PMID:Pharmacological approach in the treatment of insulin resistance. 130 17

Basal serum growth hormone and response of GH to GRF in 10 patients with noninsulin-dependent diabetes and in 10 control subjects were studied. The basal GH level in NIDDM was higher than that in control subjects. There was a significant difference. After an intravenous bolus of hGRF 1-29 NH2 with the dose of 1 microgram/kg body weight, GH (Peak level-basal level) decreased in NIDDM patients in comparing with control group (P < 0.05). These findings may suggest that the pituitary GH reserve is reduced in patients with NIDDM. There exists some defect in central GH control in diabetics with enhanced somatostatin secretion and abnormal sensitivity of the GH secretion cells to a variety of regulatory factors including GRF, glucose, amino-acids, free fat acid.
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PMID:[Blunted growth hormone response to hGRF 1-29 NH2 in patients with non-insulin-dependent diabetes mellitus]. 130 83

The effect of a single dose of intermediate acting (Lente) insulin given subcutaneously at 9.00 P.M. in 22 NIDDM subjects refractory to a combination of Sulphonylureas and Biguanides was analysed. Euglycemia was achieved and maintained during the study period of three months with a mean insulin requirement of 14.22 +/- 5.98 units/day. Plasma FFA, Total cholesterol, triglyceride and VLDL-cholesterol also showed significant reduction. The level of FFA modulates hepatic glucose production, which in turn correlates positively with the fasting blood glucose. The therapeutic modality of bed time Lente Insulin based on physiological principles is an effective way of achieving glycemic control in NIDDM subjects who have become non-responsive to oral hypoglycemic agents.
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PMID:Effect of bed time intermediate acting insulin in NIDDM subjects refractory to a combination of sulphonylureas and biguanides. 833 6

Physical training has been generally recommended for patients with diabetes mellitus as a basic therapeutic tool. In the present study the metabolic and endocrinological effects during the training program were examined in patients with non insulin dependent diabetes mellitus (NIDDM). Moreover the significance of continuous blood lactate monitoring and that of the determination of plasma atrial natriuretic polypeptide (ANP) during exercise loading in diabetics was also studied. (1) The glucose metabolic clearance rate (MCR) during euglycemic insulin clamp was higher in athletes than in patients with NIDDM and control subjects. (2) MCR increased significantly in the training group after the eight weeks program and a significant relationship between the changes of MCR and those of HbAIc observed. Moreover a decrease in the triglyceride level and increase in the HDL cholesterol level in plasma were significantly related with the improvement of MCR. (3) A continuous blood lactate monitoring system was newly developed. This system was simple and showed good reproducibility. The anaerobic threshold (AT) determined using this system corresponded to that obtained by respiratory gas analysis. It was useful for the determination of the exercise intensity without overloading in patients with diabetes mellitus. (4) The increase of plasma ANP during exercise loading was higher in diabetics than healthy controls, and a significant relationship was found between the increment of ANP during exercise and the diastolic function judged from the echocardiogram in diabetics. In conclusion clinical laboratory examinations and medical checkups are important in the practice of physical exercise therapy in patients with diabetes mellitus.
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PMID:[Physical exercise therapy in diabetes mellitus--the role of clinical laboratory examinations]. 130 19

The amount of neuroendocrine granules in microgranular cells of salivary glands were investigated in necropsies of 20 non-insulin dependent diabetics (NIDDM) and in 20 non-diabetic subjects with Grimelius and Fontana-Masson stainings. Granules in serous acini, and intercalated ducts were observed in both groups; however, a significant higher number of granules and microgranular cells were observed in NIDDM subjects as compared with non-diabetics. Both parotid and submaxillary glands were significantly heavier in NIDDM than in the non-diabetic group. These granules may be related to immunoreactive glucagon which has been found in submaxillary glands of rodents and might play a role in the pathogenesis of NIDDM. Further investigations should be performed to clarify whether these cells are the site of glucagon synthesis and also clarify the pathogenesis of NIDDM.
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PMID:[Increase in neuroendocrine secretion granules in submaxillary and parotid glands in patients with non-insulin dependent diabetes mellitus]. 130 90

A random sampling of males and females aged 20 to 69 (1125 males and 1243 females), residing in Moscow, were investigated. The first screening was in 1979, the final one--in 10 years. The program of the first screening included anthropometry, evaluation of the CVS, carbohydrate and fat metabolism, studies on hereditary aggravation with regard to diabetes mellitus (DM); the program of final screening included the state of carbohydrate metabolism. Data processing was done using methods of multidimensional analysis. Independent signs to be used as predictors of noninsulin dependent diabetes mellitus were shown to be the age of 40 and older, a general GTT index of 16, and atherogenicity coefficient values of 3.5 and lower in men, and the presence of dyslipoproteinemia in women.
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PMID:[Predictors of non-insulin-dependent diabetes mellitus]. 130 85

A protocol has been developed for rapid isolation of albumin from rabbit or bovine serum. It is based on the use of microporous plastic silica sheets that have been fabricated into rapid flow-through devices called ACTI-MOD cartridges. In the first step, the untreated silica plastic matrix binds a major portion of the non-albumin protein. A second step, using an ACTI-MOD anion-exchange quaternary amine, further purifies and concentrates the albumin. At this stage, the albumin appears to be at least ninety-nine per cent pure based on sodium dodecyl sulfate gel electrophoresis.
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PMID:Rapid isolation of serum albumin using microporous PVC/silica cartridges. 131 42

The effect of dry Sundakai powder supplementation (7 g providing 1.23 g of crude fibre) on glycemic control, lipidemic control, total amino acids and uronic acid was studied on 30 non-insulin dependent diabetes mellitus patients. All the patients were on hypoglycemic drugs. The above parameters were monitored at day 1, 15 and 30 days. After one month of fibre supplementation, no significant changes were observed with respect to glucose, lipid profile, glycated proteins, total amino acids and uronic acid levels in these subjects.
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PMID:Studies on the effect of dry Sundakai (Solanum torvum) powder supplementation on lipid profile, glycated proteins and amino acids in non-insulin dependent diabetic patients. 131 34

In both humans and rodents the occurrence and severity of obesity-associated non-insulin dependent diabetes mellitus (NIDDM) may be influenced by both gonadal hormones and genetic background. Early gonadectomy (at 3-5 days of age) of female and male Wistar diabetic fatty (WDF) rats and of male Zucker rats allowed us to examine these effects in genetically obese rats carrying the fatty (fa) gene. Impairment of glucose tolerance and insulin sensitivity by obesity, and amelioration or exacerbation (in the case of female rats) of this impairment by gonadectomy were assessed by intragastric glucose tolerance tests when the rats reached adulthood. Both glucose tolerance and insulin sensitivity were significantly deranged in obese WDF rats of both sexes and in obese male Zucker rats compared to lean controls of the same sex and strain. Obese male WDF rats were less glucose tolerant and insulin sensitive than were obese male Zucker rats. Glucose intolerance was not ameliorated by castration in lean or obese male WDF or Zucker rats. Insulin sensitivity was significantly improved by castration in obese male rats of both strains, as fasting plasma insulin levels and total areas under the insulin curves were significantly reduced compared to obese sham-operated controls. This effect was greater in the Zucker than in the WDF male rats. Castration significantly decreased the insulin response areas in obese male Zucker rats, but did not alter those of the obese male WDF rats. Ovariectomy did not alter glucose homeostasis of obese female WDF rats.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:The effects of gonadectomy on glucose tolerance of genetically obese (fa/fa) rats: influence of sex and genetic background. 131 24

Points of agreement: (1) In IDDM, hypertension occurs in patients who have already developed nephropathy, probably in the microalbuminuric phase. (2) Hypertension is an important accelerator of the development of diabetic nephropathy. (3) Hypertension, obesity and NIDDM are often associated, and insulin resistance is commonly observed in all three states. (4) Antihypertensive therapy retards the development of diabetic nephropathy in IDDM and reduces proteinuria in NIDDM. (5) The choice of antihypertensive agent in the diabetic patient must be based upon the efficacy of the drug as well as avoidance of side effects including deleterious influence on glucose, insulin and lipid levels and renoprotection. (6) Carefully conducted long-term comparative trials between different classes of antihypertensive drugs in microalbuminuric IDDM and NIDDM patients are essential. Points of major controversy: (1) Detection of IDDM patients prone to the development of diabetic nephropathy can be performed by measuring specific parameters such as erythrocyte Na(+)-Li+ countertransport activity. (2) Insulin resistance is a pathogenic mechanism rather than purely an association with hypertension and obesity. (3) A certain class of antihypertensive agents--ACE inhibitors--confers a specific renoprotective effect in diabetic nephropathy, in addition to its effects upon systemic blood pressure. (4) Reduction of blood pressure should be considered in the normotensive microalbuminuric diabetic patient. (5) Microalbuminuria is a sufficient 'surrogate endpoint' for the progression of renal failure.
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PMID:Meeting report of the International Society of Hypertension Conference on Hypertension and Diabetes. 131 6


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