Diabetes mellitus represents a major independent risk factor for developing fatal cardiovascular diseases (CVDs) presumably through accelerating atherosclerosis; the underlying cause of most CVDs. Notably, this relative risk is reported to be higher in women than men. Endeavors directed towards identifying novel reliable predictive biomarkers are immensely thereby urged to improve the long-term outcome in these diabetic female patients. Sclerostin (SOST) is a Wnt signaling antagonist whereas irisin is a muscle-derived factor released after exercising which enhances browning of white adipose tissue. Emerging lines of evidence hint at potential crosstalk between them and CVDs. The present study aimed to assess the serum levels of SOST and irisin in Egyptian type 2 diabetic (T2DM) female patients with and without atherosclerosis and explore the possible relationship between both markers and other studied parameters among the studied cohorts. In this case-control study, 69 female subjects were enrolled; 39 type 2 diabetes patients with atherosclerosis (T2DM+ATHR), 22 type 2 diabetes patients without atherosclerosis (T2DM-ATHR) and 8 healthy controls. Their serum levels of SOST and irisin were assessed using ELISA. Significant increase in SOST levels were found in T2DM+ATHR compared to T2DM-ATHR and control (259.9 ±17.98 vs. 165.8±13.12 and 142.0±13.31 pg/mL respectively, P<0.001). Conversely, irisin levels were significantly lower in T2DM+ATHR (P<0.001) and T2DM-ATHR (P<0.01) compared to the control group (32.91±2.545 and 58.55±13.19 vs. 473.6±112.7 pg/mL). Interestingly, significant correlations between the levels of SOST and both irisin and fasting blood glucose were noticed in T2DM+ATHR group (r = 0.3754 and 0.3381 respectively, P<0.05). In conclusion, to the best of our knowledge, this study is the first to demonstrate the correlation between SOST and irisin levels in atherosclerotic T2DM female patients implying their potential implication in diabetic cardiovascular pathophysiology and supporting their use as reliable diagnostic/prognostic biomarkers for monitoring and preventing CVDs progression of T2DM female patients.
This study was initiated to explore some novel biomarkers like pro-inflammatory markers (chemerin and visfatin) and anti-inflammatory marker (omentin-1) as prognostic factors for cardiovascular complications in type 2 diabetic patients. Forty diabetic patients without cardiovascular disease, 40 diabetic patients with cardiovascular disease and twenty healthy control counterparts were included in this study. Serum chemerin, omentin-1 and visfatin levels were quantified. Receiver operating characteristic curve analysis was done to identify the cut off value for each marker. The mean serum level of chemerin was 57.65 ± 15.69 ng/l in diabetic patients versus 93.97 ± 26.62 ng/l for the cardio-diabetic ones (P \ 0.0001). The mean serum level of omentin-1 was 8.77 ± 1.53 ng/ml in diabetic patients versus 1.76 ± 0.96 ng/ml for the cardio-diabetic ones (P \ 0.0001). The mean level of visfatin was 1.44 ± 0.71 ug/l in diabetic patients versus 3.92 ± 3.32 ug/l for the cardio-diabetic ones (P \ 0.0001). Chemerin and Visfatin levels were significantly enhanced in the cardio-diabetic patients with increasing C-reactive protein (CRP), triglycerides (TG), fasting blood glucose (FBG), micro-albumin and cholesterol. Omentin-1 level was significantly reduced in the cardio-diabetic patients with increasing CRP, TG, FBG, and cholesterol. It was observed that the area under curve for chemerin, omentin-1and visfatin was 0.877, 0.998 and 0.735, respectively. In conclusion, this study evidences that the measuring serum levels of chemerin, omentin-1 and visfatin may help in the prognosis of cardiovascular complications in type 2 diabetic patients.
Background: Chemerin is a newly discovered adipokine that regulates adipocyte development, metabolic function as well as immune function. Anti-Müllerian hormone (AMH) is a dimeric glycoprotein that belongs to the transforming growth factor-beta family. Aim of the study: was to evaluate the serum levels of Chemerin and AMH in one trial to show their possible involvement in the pathogenesis of PCOS and their association with obesity. Subjects and methods: This study was performed on eighty subjects divided into 4 groups: Group I: 20 nonobese control (BMI< 30), Group II: 20 non-obese patient with polycystic ovarian syndrome (BMI< 30), Group III: 20 obese Control (BMI ≥ 30) and Group IV: 20 obese patient with PCOS (BMI ≥ 30). Serum levels of Chemerin and AMH were estimated by ELISA. Results: Results showed a significant increase in serum levels of Chemerin and AMH in (non-obese and obese) PCOS groups when compared to their controls. Results showed also a significant increase in the serum level of Chemerin in obese PCOS group when compared to non-obese PCOS group. While a significant decrease in serum level of AMH in obese PCOS group when compared to non-obese PCOS group. There were a significant positive correlation between Chemerin and AMH in PCOS groups. Conclusion: Chemerin together with AMH may be used as a biomarker for early detection of PCO and Clinical parameters as Infertility and Hyper and rogenism in women with PCOS.
SummaryBackgroundIn this study, we investigated the relationship of adiponectin with bone marker changes in Egyptian children and adolescents with T1DM and the effect of disease duration on these markers, as well as the possible correlations between adiponectin and bone markers in these patients.MethodsSixty Egyptian children and adolescent patients with T1DM were studied. Serum adiponectin and collagen breakdown products (cross-linked C-terminal telopeptide of collagen type l »CTX«) were measured and compared to the results of 20 age-matched healthy controls.ResultsAfter adjustment for age, BMI, Tanner stage and gender; (total) adiponectin was significantly higher in all T1DM patients. Serum level of CTX and 25(OH)D showed a marked decrease in diabetics with disease duration > 5 years. Serum level of (total) calcium and inorganic phosphorus (Pi) did not show significant difference from control. CTX was inversely correlated to FBG and T1DM duration. Pi was inversely, while 25(OH)D was directly correlated to FBG. Total calcium showed an inverse correlation with HbA1c. FBG, TC, TAG, LDL-C were independent predictors of CTX in T1DM.ConclusionsAdiponectin showed no correlation with either CTX or bone homeostatic indices. FBG, TC, TAG, LDL-C were independent predictors of CTX in T1DM. We recommend further investigation of adiponectin isoforms in a population-based study, to establish a good age- and sex-related reference.
Objective: This work was delineated to assess procalcitonin (PCT) and C-reactive protein (CRP) as prognostic markers for cardiovascular complication in type 2 diabetic patients.Methods: Forty diabetic patients without cardiovascular disease (CVD), 40 diabetic patients with CVD, and 20 healthy control counterparts were participated in this study. Serum PCT and CRP levels were assayed and correlated with metabolic parameters. Receiver operating characteristic (ROC) curve analysis was done for each biochemical marker. Results:The mean level of PCT was 707.17±99.19 ng/l in diabetic patients versus 881.30±123.56 ng/l for the cardio-diabetic patients (p<0.0001). The mean value of CRP was 34.43±17.27 mg/l in diabetic patients versus 50.32±20.19 mg/l for the cardio-diabetic patients (p=0.0003). PCT levels were significantly amplified in the cardio-diabetic patients with increasing CRP, triglycerides (TG), fasting blood glucose (FBG), and cholesterol (p=0.004, 0.0005, 0.002, and 0.01, respectively). CRP levels were significantly enhanced in the cardio-diabetic patients with increasing TG, FBG, cholesterol, and microalbumin (p=0.002, 0.047, 0.003, and 0.001 respectively). ROC curve analysis for PCT and CRP revealed that the area under curve (AUC) was 0.878 and 0.727, respectively. These findings indicate the good validity of the above biomarkers especially PCT as a prognostic marker for cardiovascular complication in type 2 diabetic patients. Conclusion:This study evidences the usefulness of measuring serum levels of PCT and CRP in diagnosis of cardiovascular complication in type 2 diabetic patients.
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