Type 1 diabetes and metabolism, Clinical Trials Register
Full size table Experimental design A To investigate the effect of DDW on metabolic changes occur in diabetes, diabetic and control rats were divided into two main groups: half of the animals were given DDW 25 ppm Dand the other half received normal tap water ppm Dboth provided ad libitum. To determine whether DDW exerts its effects, at least partially, by modifying the action of insulin, diabetic rats were further divided into subgroups according to insulin treatment.
In men elevated estradiol levels and associated metabolic disorders have been implicated in the development of common diseases including cardiovascular disorders, insulin resistance and type 2 diabetes mellitus, as increased estradiol associated with decreased testosterone levels increases the risk of these diseases. In this review the authors summarize the causes and consequences of androgen deficiency and estradiol excess, and they review recent studies on potential therapeutic strategies to correct increased estradiol levels in men. Férfiakban és nőkben a legfontosabb ösztrogénhatású hormon az ösztradiol. Férfiakban a magas ösztradiolkoncentráció és a következményes metabolikus eltérések népbetegségnek számító kórképek cardiovascularis megbetegedések, inzulinrezisztencia, 2-es típusú diabetes mellitus kialakulását befolyásolhatják; ösztrogéntúlsúly és tesztoszteronhiány társulása esetén növekszik ezeknek a betegségeknek a kockázata.
The control rats did not receive insulin treatment. We did not want to achieve euglycaemia by insulin treatment, but to prevent severe acute complications only. Therefore, two different doses of insulin Huminsulin Lilly Normal I. The insulin was administered subcutaneously in equal portions twice daily 8.
Treatments started at the 2nd type 1 diabetes and metabolism after STZ injection and lasted for an additional 8 weeks.
Treatments started at the 2nd week after STZ injection and lasted for 4 weeks. Food intake, water consumption, and body weight were measured daily. Blood samples from the tail vein and 24 h urine samples were collected once a week. Kezelése a cukorrépa cukorbetegség plasma samples were obtained by centrifugation at ×g for 15 min at 4 °C.
After measuring the volume, urine was centrifuged at × g for 10 min and the supernatant was used for analysis.
Plasma glucose Plasma Glucose was determined spectrophotometrically cukorbetegség kezelés lenolaj reagent kits from Reanal Finechemical Co. Budapest, Hungary. The plates were analyzed by a Biorad microplate reader.
Plasma fructosamine concentration Plasma fructosamine concentration was determined spectrophotometrically using the micro method developed by Oppel et al. In brief, fructosamine reagent was prepared by dissolving 50 mg nitroblue tetrazolium NBT, menü és kezelés cukorbetegség Sigma, Budapest, Hungary in Standard was prepared from bovine serum albumin as described previously in detail [ 23 ].
Twenty µl of plasma or an adequate volume of standard solution was pipetted into the wells of a well plate in three parallels, respectively.
After the addition of µl reagent into each well, the plates were profoundly shaken and then incubated at 37 °C for 10 min. Type 1 diabetes and metabolism initial absorbance was read at nm A1. Following a subsequent incubation for 10 min, the absorbance was read again at nm A2. Fructosamine concentration Csample was calculated from Eq. In brief, 30 µl of blood samples type 1 diabetes and metabolism without anticoagulants were hemolysated in µL deionised water.
After further washing of the columns with washing buffer 10 mLµL of the hemolysate were transferred to the top of the columns and allowed to soak in.
Unbound hemoglobins were eluted by passing 8 mL of washing buffer through the column. The unbound fraction, containing most of the hemoglobin was diluted to 15 mL with washing buffer. The absorbance of each fraction was measured at nm and the amount of hemoglobin bound glycosylated was calculated as a percentage of the total.
Isolation of the membrane fraction of soleus muscle Isolation of the membrane fraction of soleus muscle was performed according to Villanueva-Peñacarrillo ML et al.
Diabetes Mellitus (Type 1 \u0026 Type 2) for Nursing \u0026 NCLEX
Briefly, soleus muscles from each rat hind limb were removed and trimmed of connective tissue, fat and nerves. The homogenate was centrifuged at ×g for 10 min at 4 °C, and the pellet was discarded.
The supernatant was then centrifuged at ×g for 60 min in a Beckman SW55 rotor. The pellet was resuspended in 0. The pellet type 1 diabetes and metabolism finally resuspended and homogenized type 1 diabetes and metabolism washing buffer, and the total membrane protein content was measured by the Bradford method.
Western blot analyses The samples were prepared in 2 × Laemmli buffer containing mmol dithiothreitol and boiled in a water bath for 15 min.
The ODs of bands were determined by densitometry. All chemicals not mentioned otherwise were purchased from Sigma Budapest, Hungary.
Statistical analyses The results are presented as the mean ± SEM of n observations. Results DDW as drinking water reduced plasma glucose concentration and improved the metabolic parameters in diabetic rats To evaluate the effect of DDW on the glucose metabolism in streptozotocin STZ -induced diabetic rat model, first we aimed to test the 25 ppm D-concentration, which was the lowest D-concentration of DDW available.
In animals without any insulin treatment, DDW alone did not affect blood glucose concentration.
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These results indicate that deuterium depletion, in the presence of insulin, can affect blood glucose levels in diabetic animals. Open and closed circles represent the data obtained from animals receiving either DDW 25 ppm or tap water, respectively. Numbers in brackets show the number of animals in each group Full size image To evaluate the changes of metabolic parameters in non-diabetic rats receiving drinking water with ppm or 25 ppm D content for four weeks were individually placed in metabolic cages for 24 h and the amount of fluid and food consumed was measured and the volume of urine excreted and its glucose content were determined.
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To evaluate the changes of metabolic parameters in STZ-treated diabetic rats receiving drinking water with ppm or 25 ppm D content for four weeks were individually placed in metabolic cages for 12 h, without insulin administration, and the amount of fluid and food consumption, the volume of urine excretion and its glucose content were measured, respectively. In conclusion, the D content of the drinking water did not significantly affect the parameters studied in either non-diabetic or STZ-treated animals without insulin administration.
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Next, to determine the most effective D-concentration, DDW with 25, 75,and ppm D-concentrations was tested along with the application of a low insulin dose only. Surprisingly, we found that the ppm value, which was closer to the natural D level, was the most effective D-concentration in reducing blood glucose levels in diabetic animals.
[Effects and significance of estradiol in men]
The inset shows the values for the symbols. The amount of fluid and food consumed was measured, and the volume of urine excreted and its glucose content were determined. Table 3. Figures 3 — 5 show the summary of three experiments in which the following D-concentrations were applied: 25, 75,ppm and ppm in the control group. Low dose of insulin was used along with all D-concentrations. The inset graphs show the magnified part of the curve between the deuterium content of ppm and ppm, respectively.
Animals receiving drinking water-containing ppm deuterium had the type 1 diabetes and metabolism fructosamine levels among the DDW-treated animals. The inset graphs show the magnified part of the curve in the range of the deuterium content between and ppm. Furthermore, symbols indicate the significance level of data compared to animals receiving 25 ppm deuterium-containing drinking water. DDW did not influence the half-life of insulin in blood The first experiment revealed that the presence of insulin is essential for DDW to be able to reduce blood glucose concentration.
To exclude the possibility that deuterium depletion may stabilize the insulin in the plasma which results in lower blood glucose levels, the insulin concentration of the blood plasma was determined after the administration of DDW. The insulin concentration was the highest two hours after administration and there was a gradual decrease for 10 h until the next administration, but the data did not support the hypothesis that DDW influences insulin stability Fig.
The essential role of insulin in the mechanism influenced by the lowering D-concentration was also confirmed by following the correlation between insulin and glucose concentration after every two hours of administration.