scholarly journals Glucose metabolism and incretins level in morbidly obese patients and in patients after biliopancreatic diversion performed for morbid obesity

2014 ◽  
Vol 11 (1) ◽  
pp. 24-31
Author(s):  
I I Dedov ◽  
G A Melnichenko ◽  
E A Troshina ◽  
N V Mazurina ◽  
N A Ogneva ◽  
...  

We’ve studied a carbohydrate metabolism in morbidly obese (MO) patients and the patients after bariatric surgery. The patients of the 1st group had BMI40 (n=22) and no history of diabetes mellitus. Patients after biliopancreatic diversion (BPD) performed for MO were included in the 2nd group (n=23). The 3rd group was a control group of normal weight healthy subjects (n=22). Blood glucose levels, insulin, GLP-1, GIP and glucagon during the OGTT (with 75 g of glucose) at 0, 30, 60 and 120 minutes were measured in all patients. In MO group fasting glucose levels were the highest. Impaired glucose metabolism was revealed in 68.2% of patients (n=10). Impaired fasting glucose (IFG) was diagnosed in 4 cases (18.2%), impaired glucose tolerance (IGT) in 11 patients (50%). In the BPD postprandial blood glucose levels (120 min) were lower if compared to the other groups. In 4 individuals (17.4%) we found postprandial hypoglycemia (2.8 mmol/l). Patients of the MO group had the highest fasting insulin levels and HOMA-IR (p0.001). The maximum of insulin concentration was seen on minute 30 of the OGTT in the 2nd and 3rd groups, and it was significantly higher in the post-bariatric patients (p=0.026). In MO group the maximum of the plasma insulin levels were on the 60th minute and were still elevated after 120 minutes. Fasting and stimulated (on the 30th minute) levels of GLP-1 were significantly higher after BPD (р=0.037 and p=0.022 at 0 and 30 min, respectively). Morbidly obese patients had higher fasting and stimulated GIP. Fasting glucagon concentrations were similar in the surgical and control groups, while the people with MO had higher initial levels of glucagon (p=0.013) and it was not suppressed during the OGTT (p=0.076). Glucose intolerance and insulin resistance incidence was higher in MO patients. Hyperglucagonemia, increased GIP and decreased GLP-1 levels are observed in MO patients. Stimulated plasma insulin and GLP-1 concentrations were significantly increased in patients who underwent BPD, and may cause postprandial hypoglycemia.

2001 ◽  
Vol 171 (3) ◽  
pp. 551-556 ◽  
Author(s):  
ML Massa ◽  
MI Borelli ◽  
H Del Zotto ◽  
JJ Gagliardino

We correlated the changes in glucose-induced insulin secretion with those observed in glucose metabolism and hexokinase/glucokinase activity in islets from normal sucrose-fed hamsters. Blood glucose and insulin levels were measured in normal male hamsters fed with (S5) or without (C5) 10% sucrose in the drinking water for 5 weeks. Isolated islets (collagenase digestion) from both groups of animals were used to study insulin secretion, (14)CO(2) and (3)H(2)O production from D-[U-(14)C]-glucose and D-[5-(3)H]-glucose respectively, with 3.3 or 16.7 mM glucose in the medium, and hexokinase/glucokinase activity (fluorometric assay) in islet homogenates. Whereas S5 and C5 animals had comparable normal blood glucose levels, S5 showed higher insulin levels than C5 hamsters (2.3+/-0.1 vs 0.6+/-0.03 ng/ml, P<0.001). Islets from S5 hamsters released significantly more insulin than C5 islets in the presence of low and high glucose (3.3 mM glucose: 0.77+/-0.04 vs 0.20+/-0.06 pg/ng DNA/min, P<0.001; 16.7 mM glucose: 2.77+/-0.12 vs 0.85+/-0.06 pg/ng DNA/min, P<0.001) and produced significantly higher amounts of (14)CO(2) and (3)H(2)O at both glucose concentrations ((14)CO(2): 3.3 mM glucose: 0.27+/-0.01 vs 0.18+/-0.01, P<0.001; 16.7 mM glucose: 1.44+/-0.15 vs 0.96+/-0.08, P<0.02; (3)H(2)O: 3.3 mM glucose: 0.31+/-0.02 vs 0.15+/-0.01, P<0.001; 16.7 mM glucose: 1.46+/-0.20 vs 0.76+/-0.05 pmol glucose/ng DNA/min, P<0.005). The hexokinase K(m) and V(max) values from S5 animals were significantly higher than those from C5 ones (K(m): 100.14+/-7.01 vs 59.90+/- 3.95 microM, P<0.001; V(max): 0.010+/-0.0005 vs 0.008+/- 0.0006 pmol glucose/ng DNA/min, P<0.02). Conversely, the glucokinase K(m) value from S5 animals was significantly lower than in C5 animals (K(m): 15.31+/-2.64 vs 35.01+/-1.65 mM, P<0.001), whereas V(max) figures were within a comparable range in both groups (V(max): 0.048+/-0.009 vs 0.094+/-0.035 pmol glucose/ng DNA/min, not significant). The glucose phosphorylation ratio measured at 1 and 100 mM (hexokinase/glucokinase ratio) was significantly higher in S5 (0.26+/-0.02) than in C5 animals (0.11+/-0.01, P<0.005), and it was attributable to an increase in the hexokinase activity in S5 animals. In conclusion, sucrose administration increased the hexokinase/glucokinase activity ratio in the islets, which would condition the increase in glucose metabolism by beta-cells, and in beta-cell sensitivity and responsiveness to glucose. These results support the concept that increased hexokinase rather than glucokinase activity causes the beta-cell hypersensitivity to glucose, hexokinase being metabolically more active than glucokinase to up-regulate beta-cell function.


2020 ◽  
Vol 5 (1) ◽  
pp. 13-30
Author(s):  
Purwanto Purwanto

Obesity is a multifactorial disease, which occurs as a result of excessive fat tissue accumulation and if not treated properly in the long term will lead to risks and complications of dangerous diseases including diabetes mellitus, cardiovascular disease, reproductive system disorders, gallstones, and bone diseases and joints. The purpose of this study is to determine the effect of acupuncture on glucose metabolism in overweight and obese patients. This study uses a quasi-experimental one-group pretest-posttest design. This research was conducted at the Posyandu Elderly in Mojosongo, Jebres, Surakarta City. This study focuses on acupuncture therapy on blood glucose levels, body mass index (BMI) and serum Hb.A1c levels before and after acupuncture therapy. Data analysis with Paired T-Test using SPSS Series 23 data processing application. The results showed that there was a significant but not significant effect of acupuncture on overweight and obese patients, there was a significant effect of acupuncture on Body Mass Index (BMI) in overweight and obese patients, and there is a significant effect of acupuncture on Hb.A1c levels in overweight and obese patients. The conclusion of this study shows that acupuncture therapy can affect glucose metabolism and reduce body mass index so as to prevent the onset of dangerous chronic diseases in the future.   Keywords: Overweight-obesity, Acupuncture, Body Mass Index (BMI), Blood glucose levels, Hb.A1c.


2007 ◽  
Vol 34 (6) ◽  
pp. 916-925 ◽  
Author(s):  
M. L. Soto-Montenegro ◽  
J. J. Vaquero ◽  
C. Arango ◽  
G. Ricaurte ◽  
P. García-Barreno ◽  
...  

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Xishuai Wang ◽  
Zhiqing Wang ◽  
Donghui Tang

AbstractWe investigated the impact of aerobic exercise (AE) on multiple organ dysfunction syndrome (MODS), aortic injury, pathoglycemia, and death during sepsis. ICR mice were randomized into four groups: Control (Con), Lipopolysaccharide (LPS), Exercise (Ex), and Exercise + LPS (Ex + LPS) groups. Mice were trained with low-intensity for 4 weeks. LPS and Ex + LPS mice received 5 mg/kg LPS intraperitoneally for induction of sepsis. Histopathological micrographs showed the organ morphology and damage. This study examined the effects of AE on LPS-induced changes in systemic inflammation, pulmonary inflammation, lung permeability, and bronchoalveolar lavage fluid (BALF) cell count, oxidative stress-related indicators in the lung, blood glucose levels, plasma lactate levels, serum insulin levels, plasma high-mobility group box 1 (HMGB1) levels, glucose transporter 1 (Glut1) and HMGB1, silent information regulator 1 (Sirt-1), and nuclear factor erythroid 2-related factor 2 (Nrf-2) mRNA expression levels in lung tissue. AE improved sepsis-associated multiple organ dysfunction syndrome (MODS), aortic injury, hypoglycemia, and death. AE prominently decreased pulmonary inflammation, pulmonary edema, and modulated redox balance during sepsis. AE prominently decreased neutrophil content in organ. AE prominently downregulated CXCL-1, CXCL-8, IL-6, TNF-α, Glu1, and HMGB1 mRNA expression but activated IL-1RN, IL-10, Sirt-1, and Nrf-2 mRNA expression in the lung during sepsis. AE decreased the serum levels of lactate and HMGB1 but increased blood glucose levels and serum insulin levels during sepsis. A 4-week AE improves sepsis-associated MODS, aortic injury, pathoglycemia, and death. AE impairs LPS-induced lactate and HMGB1 release partly because AE increases serum insulin levels and decreases the levels of Glut1. AE is a novel therapeutic strategy for sepsis targeting aerobic glycolysis.


Endocrine ◽  
2020 ◽  
Vol 70 (3) ◽  
pp. 629-634 ◽  
Author(s):  
Rossella Cannarella ◽  
Nicolò Musso ◽  
Rosita A. Condorelli ◽  
Marco Musmeci ◽  
Stefania Stefani ◽  
...  

Abstract Objective To assess the role of c. 2039 A/G (p. Asp680Ser) (rs6166) and c. −29 G/A (rs1394205) follicle-stimulating hormone receptor (FSHR) gene single nucleotide polymorphisms (SNPs) in a cohort of healthy men. Methods One-hundred twenty-seven healthy men underwent evaluation of the anthropometric parameters, assessment of metabolic and lipid profile, measurement FSH serum levels, and genotyping of both the aforementioned FSHR SNPs. Data grouped according to the FSHR rs6166 or rs1394205 genotypes underwent to statistical analysis. Main results The three groups of men for each FSHR SNP did not differ statistically significantly for body mass index and serum FSH levels. As for FSHR rs6166 SNP, glucose levels were significantly lower in men with the GG genotype compared with those with the AA genotype. Men with AG had lower insulin levels and HOMA index values compared with those carrying the genotype AA (p < 0.05). The GG group showed a negative correlation between serum FSH levels and insulin and between serum FSH levels and HOMA index (p < 0.05). In contrast, men grouped according to the FSHR rs1394205 genotype showed no significant difference in blood glucose, serum insulin levels, and HOMA index. The AG group showed a negative correlation between FSH insulin and between serum FSH levels and HOMA index (p < 0.05). Conclusions Men with the genotype GG of the FSHR rs6166 SNP have lower blood glucose levels than those with the AA genotype. Their FSH levels inversely correlated with insulin and HOMA index. In contrast, the genotype FSHR rs6166 A/G did not reveal any role of FSH on glucose metabolism in healthy men. The inverse relationship between FSH and insulin or HOMA index in the group with the genotype GG of the FSHR rs6166 SNP suggests a possible cross-talk between FSH and insulin.


2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Sarang Jeong ◽  
Jung Min Cho ◽  
Young-In Kwon ◽  
Seong-Chul Kim ◽  
Dong Yeob Shin ◽  
...  

Abstract Background The antidiabetic and hypoglycemic effects of chitosan have been reported in previous studies. We have previously shown that chitosan oligosaccharide reduces postprandial blood glucose levels in vivo. We conducted a short-term crossover study to support the results of the previous study. Methods The study was a randomized, double-blind, controlled crossover trial completed at one clinical research site. Subjects with impaired glucose tolerance and impaired fasting glucose and healthy subjects were randomly assigned to consume one of two different experimental test capsules that differed in only the sample source (GO2KA1 vs placebo), and all subjects were instructed to consume the 75 g sucrose within 15 min. After a 7-day interval, the subjects consumed the other capsules that were not consumed on the first day. We assessed blood glucose levels using a 2-h oral sucrose tolerance test. The study was registered at clinicaltrials.gov (NCT03650023). Results The test group showed significantly lower blood glucose levels at 60 min (p = 0.010) and postprandial blood glucose areas under the curve (p = 0.012). The change in blood glucose levels at 60 min was significantly lower in the test group than in the placebo group (p = 0.017). Conclusions Based on the results of this study, the consumption of chitosan oligosaccharide (GO2KA1) supplements with a meal can effectively reduce postprandial blood glucose levels, which is relevant to the prevention of diabetes.


2016 ◽  
Vol 88 (10) ◽  
pp. 9-18
Author(s):  
I I Dedov ◽  
G A Melnichenko ◽  
E A Troshina ◽  
E V Ershova ◽  
N V Mazurina ◽  
...  

Aim. To estimate the parameters of glucose metabolism and to assess the secretion of incretins in patients after biliopancreatic diversion (BPD) for morbid obesity (MO) in the early and late postoperative periods. Subjects and methods. The prospective part of the investigation included 22 patients with a body mass index of 35.8 to 68.4 kg/m2 and type 2 diabetes mellitus (T2DM). All the patients were examined before, 3 weeks and 3 months after BPD. The retrospective part covered 23 patients who were examined after BPD for MO; the postoperative period was 4.7 [2.3; 7.2] years. A control group consisted of 22 healthy, normal weight volunteers. A 75-g oral glucose tolerance test was carried out in all the groups to study the levels of glucose, immunoreactive insulin (IRI), glucagon-like peptide-1 (GLP-1), glucose-dependent insulinotropic polypeptide (GIP) and glucagon at 0, 30, 60, and 120 min. Results. T2DM patients showed improvement in glucose metabolism just 3 weeks after BPD; following 3 months, they had normalized fasting blood glucose levels (5.6 [5.0; 6.0] mmol/l). During 3 months, glycated hemoglobin decreased from 7.5 [6.6; 8.5] to 5.7 [5.3; 5.9]%. In the early period following BPD, there was an increase in basal and postprandial GLP-1 levels associated with the peak IRI concentration. In the late period after BPD, the enhanced secretion of IRI and GLP-1 persisted, which was followed by a reduction in postprandial glucose levels in 4 of the 23 patients. Conclusion. T2DM remission does not depend on weight loss in the early period after BPD. In this period, the significant improvement of glucose metabolic parameters in patients with obesity and T2DM is associated with elevated GLP-1 levels. The altered incretin response is a stable effect of BPD and remains in its late period.


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