Diabetes & Metabolism Journal

Brief Report

Epidemiology
Relationship between Biological Markers, Metabolic Components, Lifestyles, and Impaired Fasting Glucose in Male Workers: Tomoyuki Kawada; Diabetes Metab J. 2015;39(5):434-438. Published online October 22, 2015; DOI: https://doi.org/10.4093/dmj.2015.39.5.434

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Abstract PDF PubReader: Background
Confirmation regarding the association between impaired fasting glucose (IFG) and biomarkers in addition to metabolic components and lifestyle factors are required in the occupational filed for preventing diabetes mellitus.
Methods
The study was performed in working men aged 30 to 60 years old, who were not taking medication for any metabolic diseases. The author measured the serum levels of high-sensitivity C-reactive protein (CRP), uric acid, and plasma fibrinogen as potential biomarkers of IFG.
Results
The mean serum uric acid, log-transformed serum CRP, and plasma fibrinogen levels were higher in the subjects with IFG than in those without IFG. Multivariate analysis revealed significant associations between the presence of IFG and age, log-transformed value of serum CRP, increased waist circumference, hypertension, and hypertriglyceridemia, with odds ratios of 1.1 (95% confidence interval [CI], 1.08 to 1.1; P<0.001), 1.8 (95% CI, 1.4 to 2.3; P<0.001), 1.3 (95% CI, 1.09 to 1.7; P<0.01), 1.9 (95% CI, 1.6 to 2.3; P<0.001), and 1.3 (95% CI, 1.04 to 1.6; P<0.05), respectively, for the presence of IFG.
Conclusion
Serum CRP, age, and three metabolic components were associated with IFG. In contrast, there were no significant associations between IFG and lifestyle factors, serum uric acid or plasma fibrinogen.

Original Articles

Inflammatory Markers are Associated with Microvascular Complications in Type 2 Diabetes.: Sun Mee Yang, Sung Yong Kim, Ki Young Lee, Yeun Sun Kim, Moon Suk Nam, Ie Byung Park; Korean Diabetes J. 2007;31(6):472-479. Published online November 1, 2007; DOI: https://doi.org/10.4093/jkda.2007.31.6.472

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BACKGROUND
Inflammatory markers are known to be sensitive predictors of atherosclerotic disease such as coronary heart disease. Diabetic patients have higher level of inflammatory markers such as fibrinogen, high sensitivity C-reactive protein (hsCRP) or IL-6. We investigated the association of inflammatory markers with microvascular complications in type 2 diabetes. METHODS: We studied cross-sectionally 244 consecutive patients with type 2 diabetes without macrovascular disease such as cerebral infarct, coronary heart disease and peripheral arterial disease. The urinary albumin/creatinine ratio was determined in a morning, untimed, urine specimen. Ophthalmoscopic examinations were performed to evaluate diabetic retinopathy. Diabetic neuropathy was examined by 10-g monofilament, Neuropathic Disability Score and Michigan Neuropathy Screening Instrument. RESULTS: 47 patients (23.5%) had diabetic retinopathy, 81 (34.6%) had nephropathy and 132 (54.2%) had neuropathy. Fibrinogen and erythrocyte sedimentation rate (ESR) were significantly higher in the patients with nephropathy, retinopathy and neuropathy than in those without (P = 0.009, 0.003 and 0.047; P = 0.011, 0.02 and 0.006 , respectively). There were no differences in the hsCRP and IL-6 level between in patients with microvascular complications and in those without. Inflammatory parameters were correlated with each other. The hsCRP was correlated with IL-6 (r = 0.40, P < 0.001) and fibrinogen (r = 0.45, P < 0.001), but fibrinogen was not significantly correlated with IL-6 (r = 0.13, P = 0.08). CONCLUSION: Although IL-6, hsCRP and fibrinogen may be associated with microvascular complications in type 2 diabetes, we show that fibrinogen is a strong marker of microvascular complications.

Citations

Citations to this article as recorded by

Hesperetin suppresses LPS/high glucose-induced inflammatory responses via TLR/MyD88/NF-κB signaling pathways in THP-1 cells
Aeri Lee, HyunJi Gu, Min-Hee Gwon, Jung-Mi Yun
Nutrition Research and Practice.2021; 15(5): 591. CrossRef

Plasma Fibrinogen Level is Associated with Carotid Plaque Progression in Type 2 Diabetic Patients.: Seong Hun Kim, Ji Hye Kim, Chong Hwa Kim, Ji Hyun Park, Tae Sun Park, Hong Sun Back; Korean Diabetes J. 2004;28(4):293-303. Published online August 1, 2004

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Abstract PDF: BACKGROUND
The level of plasma fibrinogen has emerged as an important risk factor for cardiovascular diseases. Raised fibrinogen levels result in enhanced fibrin deposition in areas of vessel wall injury, which in turn may accelerate the development of atherosclerotic disease. The aim of present study was to investigate whether the plasma fibrinogen levels was related to carotid atherosclerosis in type 2 diabetic patients. METHODS: The sbjects of this study were 210 type 2 diabetic patients. The intima-media thickness (IMT) and plaques in the each segment of the both carotid arteries were evaluated by a duplex scan. The mean of the total IMT values (7 points on each side), the each mean value of the CCA, bulb and ICA, and the maximal IMT, plaque count and score were measured. The plaque score was defined by the sum of longitudinal diameters of each plaque. RESULTS: The correlation between the plasma fibrinogen level and measured IMT values was statistically insignificant (r<0.15, P>0.05). However, there were significant positive correlations between the level of fibrinogen and the plaque count (r=0.20, P=0.019) or plaque score (r=0.24, P=0.006). Stepwise multiple regression analysis revealed the level of plasma fibrinogen as a predictor of the plaque score. CONCLUSION: These results suggest that an elevated plasma fibrinogen level may be related with carotid atherosclerosis in type 2 diabetic patients. Also, there a need to address the discriminating risk factors for the formation or progression of plaques, or IMT thickening.

Significance of Plasma Thrombin-Antithrombin III and Pasmin- 2-Plasmin Inhibitor Complexes in Diabetic Patients.: Kyung Wook Kim, Un Suk Kim, Sang Su Chung, Soo Jee Yoon, Wook Il Park, Jun Hee Lee, Su Youn Nam, Chul Woo Ahn, Byung Soo Moon, Kyung Rae Kim, Bong Soo Cha, Young Duk Soung, Sung Kil Lim, Hyun Chul Lee, Gap Bum Huh; Korean Diabetes J. 2001;25(5):354-363. Published online October 1, 2001

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Abstract PDF: BACKGROUND
Abnormality of coagulation and fibrinolytic system is known as a predisposing factor of vascular complication in diabetes. Although the pathogenesis is not well known, non-enzymatic glycation reaction and the increase in production of free radicals due to an increased oxidative stress may be linked to the hypercoagulibility and hypofibrinolytic activity. As indices of abnormality in coagulation and firinolysis in peripheral blood, plasma thrombin-antithrombin III complex (TAT) and plasmin- 2-plasmin inhibitor complex (PIC) were measured. The purpose of this study was to clarify whether hypercoagulability exists in diabetic patients with or without vascular complication. METHODS: In our study, we measured plasma thrombin-antithrombin III complex (TAT) and plasmin- 2-plasmin inhibitor complex (PIC) in 101 diabetic subjects and 20 controls. Comparing TAT and PIC levels in diabetic microvascular complication group, diabetic macrovascular complication group and controls, we examined correlation between risk factors associated with diabetic vascular complication. RESULTS: 1. The group with diabetic vascular complication was older than group without complication. There was no significant difference in BMI, blood pressure, HbA1c, blood sugar level, insulin, C-peptide, serum creatinine, total cholesterol, triglyceride, HDL-cholesterol, Lp (a) between two groups. The group with diabetic microvascular complication had longer duration of diabetes. 2. Concentration of TAT and PIC were 2.8 1.2 ng/mL, 240.4+/-69.7 ng/mL in controls and 9.5+/-22.6 ng/mL, 472.2+/-258.7 ng/mL in diabetic patients, respectively. TAT and PIC were significantly higher in diabetic patients than in control (p<0.001). But TAT/PIC ratio was no significant difference between two groups. 3. In diabetic patients, concentration of TAT and PIC and fibrinogen were respectively 4.1+/-2.4 ng/mL, 362.2+/-272.0 ng/mL, 322.7+/-102.4 mg/dL in group without vascular complication and 5.3+/-4.1 ng/mL, 529.5+/-258.7 ng/mL, 374.9+/-106.2 mg/dL in group with microvascular complication, which group had increase in PIC and Fibrinogen but no significance after correction of age. Concentration of TAT and PIC and Fibrinogen were 6.0+/-4.9 ng/mL, 507.4+/-321.6 ng/mL, 427.1+/-194.7 mg/dL in macrovascular complication, and 10.4+/-6.7 ng/mL, 484.8+/-269.7 ng/mL, 388.4+/-132.4 mg/dL in combined vascular complication which group showed increase of TAT but also had no significant increase after correction of age. 4. In diabetic microvascular complication patients, group of high HbA1c (>8%) (p=0.049) had significant high PIC concentration. In diabetic macrovascular complication patients, group of high HbA1c (>8%) (p=0.042) had significant high total cholesterol concentration. 5. In all diabetic patients, PIC was positively correlated with fibrinogen and HbA1c and negatively correlated BMI (r=0.47, 0.31, -0.25). Only in daibetic patients without angiopathy, TAT was positively correlated with HbA1c (r=0.67). CONCLUSION: In this study, plasma TAT and PIC concentration significantly increased in diabetic patients compared with controls, and PIC was increased in group with microvascular complication, TAT were increased in group with combined micro- macrovascular complication. However, there was no significance relationship existed when correctinf for age. PIC was correlated with HbA1c. TAT was correlated with HbA1c only in the group without angiopathy. Abnormality of coagulation and fibrinolysis were combined in diabetes, plasma TAT and PIC can be used as an index of vascular complication. Also we found the correlation with the degree of the blood glucose control. Therefore we need follow up study for the possibility of prevention of vascular complication after controlling the blood glucose to age-matched patients.

Hyperfibrinogenemia as an Important Risk Factor for Microvascular Complications in NIDDM Patients.: Suk Kyeong Kim, Hyeong Kyu Park, Sun Wook Kim, Do Joon Park, Chan Soo Shin, Seong Yeon Kim, Bo Youn Cho, Hong Kyu Lee; Korean Diabetes J. 1997;21(4):406-413. Published online January 1, 2001

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Abstract PDF: BACKGROUND
Abundant evidences have accumulated to suggest that atherosclerosis is accelerated in both type I and type Il diabetes but, traditional risk factors(hyperlipidemia, hypertension, smoking, age, obesity) do not account fully for the increased prevalence and severity of vascular diseases in diabetes. In this study, we examined the relationship of plasma fibrinogen to microvascular complications in NIDDM patients METHODS: In this cross-sectional study, 104 NIDDM patients were chosen from subjects who were attending the metabolic ward of Seoul National University Hospital. None of them were smokers, nor had any clinical evidences of acute infections, cancers or liver diseases. Arnong 104 patients, 55 patients (male 26, fernale 29) had no evidence of microvascular complications and 49(male 30, female 19) had one or moe microvascular complications. Their mean age(55.7+11.6 and 57.2+8.9 years old) and BMI (23.34+2.98 kg/m and 23.74+3.41 kg/m) were similar between two groups. This study defined microvascular complications as follows: 1) retinopathy classified based on fundoscopic and fluorescein angiographic assessmeot to background and proliferative, 2) nephropathy defined by 24 hour urine protein over 500mg, and 3) pheripheral neuropathy assessed by symptoms or NCV. RESULTS: 1) Clinically, there was no differences between two groups with respect to diastolic BP, C-peptide, HbA1c, and triglyceride level. However statistically significant differences were noted in systolic blood pressure, and total and LDL-cholesterol. Also mean fibrinogen level was more elevated significantly in diabetic patients with microvascular complications than those without microvascular complications. 2) Univariate analysis shows significant correlations between fibrinogen and the other variables such as duration of diabetes, total cholesterol level and systolic blood pressure. 3) However, fibrinogen concentration was higher in NIDDM patients with microvascuiar complications regardless of duration of diabetes, hypertension and HbA1c in multivariate logisric regression analysis (P=0.010). Conclusions: These results indicated that hyperfibrinogenemia were observed in NIDDM patient with microvascular complications regardless of duration of diabetes, systolic BP, and total cholesterol. Therefore our study suggests that hyperfibrogenemia may be one of the important missing links in the pathogenesis of diabetic microvascular diseases.

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