Relationship between Serum Butyrylcholinesterase Activity, Hypertriglyceridaemia and Insulin Sensitivity in Diabetes Mellitus

1993 ◽  
Vol 85 (1) ◽  
pp. 77-81 ◽  
Author(s):  
C. A. Abbott ◽  
M. I. MacKness ◽  
S. Kumar ◽  
A. O. Olukoga ◽  
C. Gordon ◽  
...  

1. The activity of serum butyrylcholinesterase (‘pseudocholinesterase’, EC3.1.1.8) was investigated in 56 patients with type 1 diabetes mellitus, 51 patients with type 2 diabetes mellitus and 101 healthy control subjects. 2. Butyrylcholinesterase activity was significantly elevated in both type 1 (8.10 ± 3.35 units/ml) and type 2 (7.22 ± 1.95 units/ml) diabetes compared with the control subjects (4.23 ± 1.89 units/ml) (P <0.001). 3. In the patients with type 1 and type 2 diabetes, serum butyrylcholinesterase activity was correlated with log serum fasting triacylglycerol concentration (r = 0.41 and r = 0.43, respectively, P <0.001). In the type 2 population serum butyrylcholinesterase activity was also correlated with insulin sensitivity (r = −0.51, P <0.001). 4. Serum butyrylcholinesterase activity was unrelated to age, gender, serum γ-glutamyltranspeptidase activity, body mass index, or treatment for diabetes in both the diabetic populations. 5. In 37 non-diabetic patients with butyrylcholinesterase deficiency serum triacylglycerol levels were in the normal range. 6. These results are consistent with the view that butyrylcholinesterase may have a role in the altered lipoprotein metabolism in hypertriglyceridaemia associated with insulin insensitivity or insulin deficiency in diabetes mellitus.


2010 ◽  
Author(s):  
Samuel Dagogo-Jack

The long-term complications of diabetes mellitus include retinopathy, nephropathy, and neuropathy. Diabetic retinopathy can result in loss of vision; nephropathy may lead to end-stage kidney disease (ESKD); and neuropathy poses the risk of foot ulcers, amputation, Charcot joints, sexual dysfunction, and potentially disabling dysfunction of the stomach, bowel, and bladder. Hyperglycemia sufficient to cause pathologic and functional changes in target tissues may be present for some time before clinical symptoms lead to a diagnosis of diabetes, especially in patients with type 2 diabetes. Diabetic patients are also at increased risk for atherosclerotic cardiovascular, peripheral vascular, and cerebrovascular disease. These conditions may be related to hyperglycemia, as well as to the hypertension and abnormal lipoprotein profiles that are often found in diabetic patients. Prevention of these complications is a major goal of current therapeutic policy and recommendations for all but transient forms of diabetes. This chapter describes the pathogenesis, screening, prevention, and treatment of diabetic complications, as well as the management of hyperglycemia in the hospitalized patient. Figures illustrate the pathways that link high blood glucose levels to microvascular and macrovascular complications; fundus abnormalities in diabetic retinopathy; the natural history of nephropathy in type 1 diabetes; cumulative incidence of first cardiovascular events, stroke, or death from cardiovascular disease in patients with type 1 diabetes; the effect of intensive glycemic therapy on the risk of myocardial infarction, major cardiovascular event, or cardiovascular death in patients with type 2 diabetes; and risk of death in patients with type 2 diabetes who receive intensive therapy of multiple risk factors or conventional therapy. Tables describe screening schedules for diabetic complications in adults, foot care recommendations for patients with diabetes, and comparison of major trials of intensive glucose control. This chapter has 238 references.



2003 ◽  
Vol 284 (4) ◽  
pp. E655-E662 ◽  
Author(s):  
Gregory J. Crowther ◽  
Jerrold M. Milstein ◽  
Sharon A. Jubrias ◽  
Martin J. Kushmerick ◽  
Rodney K. Gronka ◽  
...  

This study asked whether the energetic properties of muscles are changed by insulin-dependent diabetes mellitus (or type 1 diabetes), as occurs in obesity and type 2 diabetes. We used 31P magnetic resonance spectroscopy to measure glycolytic flux, oxidative flux, and contractile cost in the ankle dorsiflexor muscles of 10 men with well-managed type 1 diabetes and 10 age- and activity-matched control subjects. Each subject performed sustained isometric muscle contractions lasting 30 and 120 s while attempting to maintain 70–75% of maximal voluntary contraction force. An altered glycolytic flux in type 1 diabetic subjects relative to control subjects was apparent from significant differences in pH in muscle at rest and at the end of the 120-s bout. Glycolytic flux during exercise began earlier and reached a higher peak rate in diabetic patients than in control subjects. A reduced oxidative capacity in the diabetic patients' muscles was evident from a significantly slower phosphocreatine recovery from a 30-s exercise bout. Our findings represent the first characterization of the energetic properties of muscle from type 1 diabetic patients. The observed changes in glycolytic and oxidative fluxes suggest a diabetes-induced shift in the metabolic profile of muscle, consistent with studies of obesity and type 2 diabetes that point to common muscle adaptations in these diseases.



1985 ◽  
Vol 54 (02) ◽  
pp. 415-417 ◽  
Author(s):  
G M Patrassi ◽  
R Picchinenna ◽  
R Vettor ◽  
G Cappellato ◽  
D Coccarielli ◽  
...  

SummaryAntithrombin III (AT III) levels have been reported to be low, normal, and high in diabetes mellitus. Furthermore, a dicrepancy between AT III activity and antigen concentration was reported. We have evaluated the behaviour of AT III activity and antigen level both in type 1 and type 2 diabetes, either in uncontrolled or in well controlled patients. AT III activity and antigen levels showed values similar to normal. No difference was seen between type 1 and type 2 diabetes. Similar results were observed in the group of well controlled diabetic patients. AT III activity and antigen did not correlate with blood glucose and glycosylated haemoglobin (HbA1). No difference was observed between AT III activity and antigen levels in any group. Therefore the hypercoagulable state found in diabetes mellitus does not depend on AT III modifications. A discrepancy between AT III activity and antigen was not confirmed. A dysantithrombinaemia, explained on the basis of an inactivation of protein glycosylation in diabetes mellitus has not been confirmed.



2020 ◽  
Vol 2020 ◽  
pp. 1-11
Author(s):  
Mohamed Hamza ◽  
Ahmed Mamdouh ◽  
Dina Ezzeldin ◽  
Adnan Tawfik ◽  
Ahmed Nayel

Background. Cardiovascular complications are the most serious threat to diabetic patients. Associated metabolic and microvascular changes are the main cause of cardiac function affection, and the earliest cardiac change is diastolic dysfunction. Assessment of LA function changes is a key to determine early heart damage of diabetic patients. Objectives. To evaluate the effect of diabetes mellitus on left atrial volumes and functions by using real-time 3-dimensional echocardiography in normotensive patients free from cardiovascular disease. Methods. The study included 110 individuals, 50 controls and 60 patients with diabetes mellitus, 30 patients with type 1 diabetes mellitus and 30 patients with type 2 diabetes mellitus. 2-dimensional echocardiography was used to assess the LA maximum volume and LA phasic volumes, and LA maximum volume indexed to body surface area were measured by 3D echocardiography. LA functions (LA total stroke volume, LA active stroke volume, and LA active emptying fraction) were obtained from RT3D volumetric analysis. Results. The results of the analysis revealed that type 2 diabetes mellitus showed enlarged Vmax, Vmin, and LAVi with an increased LA total stroke volume and decreased active emptying fraction, while type 1 diabetics showed only decreased in active emptying fraction. The LA maximum volume indexed to body surface area (LAVi) was significantly higher in type 2 diabetic patients as compared to normal controls which was 23.55±3.37 ml/m2 versus 20.30. Conclusion. Patients with type 2 diabetes mellitus have an increased LA volume with impaired compliance and contractility, while patients with type 1 diabetes mellitus have only impaired contractility compared to nondiabetic subjects.



EP Europace ◽  
2021 ◽  
Vol 23 (Supplement_3) ◽  
Author(s):  
L Fauchier ◽  
A Bisson ◽  
G Fauchier ◽  
A Bodin ◽  
J Herbert ◽  
...  

Abstract Funding Acknowledgements Type of funding sources: None. Background. There remain uncertainties regarding diabetes mellitus and the incidence of atrial fibrillation (AF), in relation to type of diabetes, and the interactions with sex and age. We investigated whether diabetes confers higher relative rates of AF in women compared to men, and whether these sex-differences depend on type of diabetes and age. Methods. All patients aged &gt; =18 seen in French hospitals in 2013 with at least 5 years of follow-up without a history of AF were identified and categorized by their diabetes status. We calculated overall and age-dependent incidence rates, hazard ratios, and women-to-men ratios for incidence of AF in patients with type 1 and type 2 diabetes (compared to no diabetes). Results. In 2,921,407 patients with no history of AF (55% women), 45,389 had prevalent type 1 diabetes and 345,499 had prevalent type 2 diabetes. During 13.5 million person-years of follow-up, 327,012 patients with new-onset AF were identified. The incidence rates (IRs) of AF were higher in type 1 or type 2 diabetic patients than in non-diabetics, and increased with advancing age. Among individuals with diabetes, the absolute rate of AF was higher in men than in women. When comparing individuals with and without diabetes, women had a higher adjusted hazard ratio (HR) of AF than men: adjusted HR 1.32 (95% confidence interval 1.27-1.37) in women vs. 1.12(1.08-1.16) in men for type 1 diabetes, adjusted HR 1.17(1.16-1.19) in women vs. 1.10(1.09-1.12) in men for type 2 diabetes.  The adjusted HRs for women were significantly higher than the adjusted HRs for men as shown with the adjusted women-to-men ratios (adjusted WMR = adjusted HR women compared to adjusted HR men) = 1.18 (95%CI 1.12-1.24) for type 1 diabetes and 1.10 (95%CI 1.08-1.12) for type 2 diabetes. This phenomenon was seen across all ages in men and women with type 1 diabetes and progressively decreased with advancing age.  In type 2 diabetes, this phenomenon was seen after 50 years, increased until 60-65 years and then progressively decreased with advancing age. Conclusion. Although men have higher absolute rates for incidence of AF, the relative rates of incident AF associated with diabetes are higher in women than in men for both type 1 and type 2 diabetes.



2008 ◽  
Vol 24 (6) ◽  
pp. 311-317 ◽  
Author(s):  
Agnieszka Piwowar ◽  
Maria Knapik-Kordecka ◽  
Maria Warwas

Aim:The main goal of the present study was the evaluation of ischemia-modified albumin (IMA) in patients with type 2 diabetes mellitus and estimation of its connection with vascular complications, glycemic control, hypertension, dyslipidemia and obesity.Methods:In 76 diabetic patients and 25 control subjects, a plasma level of IMA by manually performed, spectrophotometric Co(II)-albumin binding assay was determined. Other parameters such as glucose, fructosamine, HbA1c, total cholesterol and its fractions (HDL, LDL), triglicerydes were estimated by routine methods.Results:Diabetic patients had significantly higher level of IMA in comparison with control subjects. There were not significant differences between groups with various states of vascular complications although the lowest concentration of IMA was observed in patients with microangiopathy. Patients with poor glycemic control had higher IMA level in comparison with these with good glycemic control. Significant correlation was observed between IMA and HbA1c. Among the risk factors, only blood pressure and LDL showed a weak relationship with IMA level.Conclusions:Our results revealed, for the first time, higher level of IMA in diabetic patients which confirms that it may be of non-cardiac origin. We can suggest that the albumin molecule in plasma of diabetic patients is modified in the chronic hypoxia conditions provoked mainly by hyperglycemia and oxidative stress in diabetes.



2014 ◽  
Vol 13 (3) ◽  
pp. 278-284
Author(s):  
M O Faruque ◽  
N Sultana ◽  
A Mannan ◽  
L Ali

Background: Diabetes mellitus coexists at a greater frequency with hypertension, obesity, central obesity, and dyslipidemia. Obesity has been identified as the most important modifiable risk factor in the aetiology of type-2 diabetes mellitus. Central obesity has been shown to be the most pathogenically important in the causation of metabolic disorders including type-2 diabetes. Aims: To determine the association of central obesity with type 2 diabetes in Bangladeshi women. Subjects and Methods: A total of 60 type 2 diabetic female subjects along with 60 healthy female subjects were recruited in this study. Anthropometric indices were measured using standard techniques. Serum glucose was measured using glucose-oxidase method, insulin was measured using ELISA and thyroid hormones were measured using chemiluminescence based automated Immulite Auto analyzer (DPC, USA). Insulin secretory capacity and insulin sensitivity were estimated using fasting glucose and fasting insulin by HOMA-CIGMA software. Results: Waist circumference of the control (89±8) subjects was significantly (p=0.046) lower than the diabetic (94±11) subjects. Waist-hip ratio of the control subjects was significantly lower compared to diabetic subjects. Fasting plasma insulin level in control subjects (7.6±2.2) was significantly (p=0.009) lower compared to diabetic subjects (11.8±9.8). Plasma lipid profile and thyroid hormone status in control and diabetic subjects were not found significantly different. Insulin secretory capacity (HOMA %B) and insulin sensitivity (HOMA%S) in control subjects (93±21, 95±39 respectively) were found to be significantly higher com-pared to diabetic subjects (45±32, 67±42 respectively). In age-adjusted binary logistic regression analysis, waist circumference was found to be significantly associated with diabetes. In multiple linear regression analysis TSH was found to be significantly associated with waist circumference. Conclusion: Waist circumference may be an independent indicator for the development type 2 diabetes in Bangladeshi women which may have influenced by thyroid stimulating hormone (TSH). DOI: http://dx.doi.org/10.3329/bjms.v13i3.19149 Bangladesh Journal of Medical Science Vol.13(3) 2014 p.278-284



2014 ◽  
Vol 155 (22) ◽  
pp. 865-870 ◽  
Author(s):  
Krisztina Nagy ◽  
Evelin Sipos ◽  
Taha El Hadj Othmane

Introductions: Heart rate variability is reduced among patients with hypertension or those with diabetes mellitus. Hypertension and diabetes show frequent co-morbidity, but it is still not entirely clear whether heart arte variability is reduced in non-diabetic patients with hypertension. Aim: The aim of the authors was to evaluate the heart rate variability in hypertensive patients with and without diabetes and in control subjects. Method: 130 patients with hypertension, 48 patients with hypertension and type 2 diabetes mellitus, and 87 control subjects were involved in the study. Minimum, mean and maximum heart rate, and parameters of heart rate variability were measured. Results: The mean of minimum heart rate did not differ significantly between the three groups. However, all other parameters were significantly reduced in patients with hypertension with and without diabetes as compared to the control group. No significant differences were observed between hypertensive patients with and without diabetes mellitus. Conclusions: Heart rate variability is significantly reduced in non-diabetic patients with hypertension. It seems that type 2 diabetes results in no further significant reduction of heart rate variability in patients with hypertension. Orv. Hetil., 2014, 155(22), 865–870.



2020 ◽  
Vol 6 ◽  
pp. 1
Author(s):  
Friday K Iweka ◽  
Godwin RA Okogun ◽  
Ebenezer O Dic-Ijiewere ◽  
Lawrence F Dada ◽  
Iredia K Akhuemokhan ◽  
...  

This study was undertaken to assess the thyroid profile of diabetes mellitus (DM) patients and patients with some associated complications in the Edo state, Nigeria. Blood samples from 267 subjects, consisting of 164 diabetic patients (24 type 1 DM and 140 type 2 DM) and 103 nondiabetic apparently healthy individuals (as controls), were analyzed. The thyroid stimulating hormone (TSH), triiodothyronine (T3), and thyroxine (T4) levels were determined using the enzyme linked immunosorbent assay (ELISA). From the result obtained, the T3 level was found significantly (p < 0.05) higher in diabetic-nephropathy (D-NEPHR) patients than the control subjects, while the TSH and T4 levels of D-NEPHR were insignificantly (p > 0.05) higher than those of the control group. The mean TSH level was significantly (p < 0.05) lower in diabetic hypertensive patients when compared with the control group, while the plasma T3 level was significantly (p < 0.05) higher in diabetic hypertensive patients when compared with the control group. There was no significant difference (p > 0.05) in the mean value of T4 of diabetic hypertensive patients when compared with the control subjects. The mean plasma T3 and T4 were significantly (p < 0.05) higher in diabetic neuropathy (D-NEUR) patients than those of control subjects. There were no significant (p > 0.05) differences in the mean plasma TSH level of D-NEUR patients when compared with those of control subjects. The mean plasma T3and T4 levels of diabetic patients with coronary heart disease (DM-CHD) were significantly (p < 0.05) higher than those of control subjects while the mean plasma TSH level of DM-CHD was significantly (p < 0.05) lower than that of control subjects. No significant (p > 0.05) difference in the mean plasma TSH, T4, and T3 levels of diabetic retinopathy subjects when compared with those of control subjects was obtained.



2020 ◽  
Vol 10 (1) ◽  
pp. 1635-1638
Author(s):  
Friday K. Iweka ◽  
Godwin R.A. Okogun ◽  
Ebenezer O. Dic-Ijiewere ◽  
Lawrence F. Dada ◽  
Iredia K. Akhuemokhan ◽  
...  

Background: Regardless of the type of diabetes mellitus, there is always a Beta-cell dysfunction leading to absolute insulin deficiency in type 1 diabetes mellitus or associated with insulin resistance in case of type 2 diabetes mellitus. Materials and Methods: A total of 267 subjects consisting of 164 diabetic patients and 103 non-diabetic apparently healthy individuals were analysed. The plasma insulin and c-peptides levels were determined using enzyme link immunosorbent assay, while plasma glucose level was determined using standard spectrophotometric method. Results: The biochemical results showed that the mean plasma glucose of Type 1 diabetes (213.65±20.35) and Type 2 diabetes (218.78+7.85) were significantly (P<0.05) higher than that of non-diabetic control (81.88±17.22) mg/dl; the mean plasma glucose and the systolic reading of the Diabetes Mellitus with Nephropathy, hypertension, coronary artery disease, neuropathy, and retinopathy patients were significantly (p<0.05) higher than the control subjects. Among diabetic hypertensive patients mean insulin and c-peptide levels were significantly (p<0.05) lower, while the mean insulin level was insignificantly (p>0.05) lower in diabetic patients with neuropathy or coronary artery disease. No significant (p>0.05) differences was observed in the mean plasma c-peptide level, and diastolic reading of diabetic patient with neuropathy. There were no significant (p>0.05) differences in the mean plasma c-peptide level, systolic and diastolic readings of Diabetic patients with coronary heart disease or retinopathy. Conclusion: There were significant differences in the blood pressure parameters in both the diabetes mellitus and diabetic complications in this study.  



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