scholarly journals Serum Fibroblast Growth Factor 21 Levels Are Correlated with the Severity of Diabetic Retinopathy

2014 ◽  
Vol 2014 ◽  
pp. 1-6 ◽  
Author(s):  
Yuan Lin ◽  
Ye-cheng Xiao ◽  
Hong Zhu ◽  
Qing-yan Xu ◽  
Lei Qi ◽  
...  
Keyword(s):  
Diabetic Retinopathy ◽  
Growth Factor ◽  
Fibroblast Growth Factor ◽  
Serum Insulin ◽  
Conditional Logistic Regression ◽  
Fasting Blood Glucose ◽  
Fibroblast Growth Factor 21 ◽  
Diabetic Patients ◽  
Model Assessment ◽  
Fibroblast Growth

The aim of the study was to assess serum fibroblast growth factor 21 (FGF21) concentrations in Chinese type 2 diabetic patients with and without retinopathy and to assess the association between FGF21 and the severity of retinopathy. 117 diabetic patients were compared with 68 healthy controls. Fasting blood glucose, serum total cholesterol, serum triglycerides, serum insulin, and serum FGF21 levels were estimated. FGF21 concentrations in the patients were significantly higher than those in control. In the patient group there was a significant positive correlation between FGF21, insulin level, and homeostasis model assessment index. Serum FGF21 concentrations in patients with proliferative diabetic retinopathy or nonproliferative diabetic retinopathy were significantly higher than those in patients without diabetic retinopathy. When the presence of diabetes was defined as the final variable in the conditional logistic regression model with the FGF21 concentration as the continuous variable, FGF21 was significantly involved in the model. This study shows that the increase in serum concentration of FGF21 was associated with the severity of diabetic retinopathy and suggests that FGF21 may play a role in the pathogenesis of diabetic retinopathy and its degree.

scholarly journals Effects of rosiglitazone on fasting plasma fibroblast growth factor-21 levels in patients with type 2 diabetes mellitus

2009 ◽  
Vol 161 (3) ◽  
pp. 391-395 ◽  
Author(s):  
Ke Li ◽  
Ling Li ◽  
Mengliu Yang ◽  
Haihong Zong ◽  
Hua Liu ◽  
...  
Keyword(s):  
Diabetes Mellitus ◽  
Type 2 Diabetes ◽  
Type 2 Diabetes Mellitus ◽  
Growth Factor ◽  
Fibroblast Growth Factor ◽  
Fibroblast Growth Factor 21 ◽  
Diabetic Patients ◽  
Fibroblast Growth ◽  
Fasting Plasma

ObjectiveFibroblast growth factor-21 (FGF-21) has recently been characterized as a potent metabolic regulator, but its pathophysiologic roles in humans remain unknown. This study aimed to investigate the effects of rosiglitazone on plasma FGF-21 levels in patients with type 2 diabetes mellitus (T2DM).Design and methodsThirty patients with new-onset T2DM (nT2DM), 34 type 2 diabetic patients with poor glycemic control (pT2DM) after the treatment with single hypoglycemic agent metformin, and 30 sex- and age-matched normal glycaemic controls (NGT) participated in the study. The pT2DM group was treated with rosiglitazone for 12 weeks. Plasma FGF-21 levels were measured with a RIA. The relationship between plasma FGF-21 levels and metabolic parameters was also analyzed.ResultsFasting plasma FGF-21 levels were higher in nT2DM and pT2DM groups than in the control (1.81±0.64 vs 1.87±0.63 vs 1.52±0.61 μg/l, P<0.05), but there was no difference between nT2DM and pT2DM groups. Fasting plasma FGF-21 levels were decreased significantly in pT2DM group after the treatment with rosiglitazone compared with pre-treatment (1.59±0.63 vs 1.87±0.64 μ/l, P<0.05). In all diabetic patients, multiple regression analysis showed that HbA1c, fasting insulin, and homeostasis model assessment-insulin resistance index were independently associated with plasma FGF-21 levels.ConclusionsIn pT2DM patients, plasma FGF-21 levels are increased, but significantly decreased after the treatment with rosiglitazone on top of ongoing metformin therapy. These data suggest that rosiglitazone may play a role in lowering FGF-21 levels in T2DM patients.

scholarly journals Association between serum fibroblast growth factor 21 level and sight-threatening diabetic retinopathy in Chinese patients with type 2 diabetes

2021 ◽  
Vol 9 (1) ◽  
pp. e002126
Author(s):  
Shi Jin ◽  
Ning Xia ◽  
Lingling Han
Keyword(s):  
Type 2 Diabetes ◽  
Diabetic Retinopathy ◽  
Growth Factor ◽  
Fibroblast Growth Factor ◽  
Fibroblast Growth Factor 21 ◽  
Fibroblast Growth ◽  
Increased Risk ◽  
Significant Difference ◽  
Fgf21 Level

IntroductionWe conducted this cross-sectional study to explore the relationship between serum fibroblast growth factor 21 (FGF21) level and sight-threatening diabetic retinopathy (STDR).Research design and methodsA total of 654 patients with type 2 diabetes were recruited. Diabetic retinopathy (DR) was evaluated by the bilateral retinal photography, and patients were assigned into groups of no DR (NDR) (n=345, 52.75%), non-sight-threatening diabetic retinopathy (NSTDR) (n=207, 31.65%), involving patients with mild or moderate non-proliferative retinopathy (NPDR) and STDR (n=102, 15.60%), including those with severe NPDR or proliferative diabetic retinopathy (PDR). Serum FGF21 levels were quantified by a sandwich ELISA. Patients were divided into quartiles according to their serum FGF21 level.ResultsThere was a significant difference in serum FGF21 level among the three groups of patients (p<0.01). Compared with other quartiles (Q1–Q3), the patients in Q4 had a higher prevalence of DR and STDR (p<0.05). Compared with Q1, a positive association was observed between serum FGF21 level and DR in Q3 and Q4 (p<0.01). After adjusting for age, gender and other risk factors, serum FGF21 level in Q4 was found to be associated with increased risk of DR and STDR (p<0.01). Serum FGF21 level was noted as an independent risk factor for DR and STDR (p<0.01). Serum FGF21 level >478.76 pg/mL suggested the occurrence of DR and that level >554.69 pg/mL indicated STDR (p<0.01).ConclusionsSerum FGF21 level was a biomarker for the risk of developing DR or STDR. The risk of STDR increased when the serum FGF21 level of patients with type 2 diabetes was >554.69 pg/mL.

scholarly journals Fibroblast Growth Factor 21 (FGF21), Free Fatty Acid (FFA), High Sensitivity C-reactive Protein (hsCRP) and Homeostasis Model Assessment of Insulin Resistance (HOMA-IR) Among Indonesian Obese Non-Diabetic Males

2009 ◽  
Vol 1 (3) ◽  
pp. 76 ◽  
Author(s):  
Yani Lina ◽  
Gatot Susilo Lawrence ◽  
Andi Wijaya ◽  
Suryani As'ad
Keyword(s):  
Blood Pressure ◽  
Growth Factor ◽  
Fibroblast Growth Factor ◽  
High Sensitivity ◽  
Significant Negative Correlation ◽  
Fibroblast Growth Factor 21 ◽  
Compensatory Mechanism ◽  
Model Assessment ◽  
Fibroblast Growth ◽  
Cross Sectional

BACKGROUND: Fibroblast growth factor-21 (FGF21) is known as an important endocrine and paracrine regulator of metabolic homeostasis. Recent studies have shown that FGF21 attenuates lipolysis in human adipocytes, which is suggested as a FGF21's mechanism as anti-hyperlipidemia, anti-hyperglycemia and anti-obesity. The aim of this study was to measure the correlation between FGF21, FFA, hsCRP and HOMA-IR among Indonesian obese non diabetic males.METHOD: The study was observational with cross sectional design. The analysis was done in 137 subjects aged 30-60 years with non diabetic abdominal obesity. We measured the biochemical markers FGF21, FFA, hsCRP, fasting insulin and fasting glucose. We also measured weight, height, waist circumrefence (WC), creatinine, serum glutamin oxaloacetic transaminase (SGOT), and serum glutamic pyruvic transaminase (SGPT), systolic blood pressure (SBP) and diastolic blood pressure (DBP). Correlation between markers was measured using Pearson and Spearman's analysis.  RESULT: There were significant positive correlations between FGF21-HOMA-IR (r=0.314, p=0.000); FGF21-WC (r=0.173, p=0.043); FFA=hsCRP (r=0.270, p=0.001); and WC-HOMA-IR (r=0.279, p=0.001). There was significant negative correlation between FGF21-FFA (r=-0.038, p=0.657) and FGF21-hsCRP (r=-0.061, p=0.482). CONCLUSION: In this study we found that although there was no significant correlation, FGF21 might act as an anti-lipolytic and anti-inflammation agent among Indonesian obese non-diabetic males. Our findings agree with results of previous studies that the positive correlation between FGF21-WC and FGF21-HOMA-IR moght occur as a compensatory mechanism or resistance to FGF21 in obesity.KEYWORDS: Obesity, FGF21, FFA, hsCRP, HOMA-IR

scholarly journals The Speed of Ingestion of a Sugary Beverage Has an Effect on the Acute Metabolic Response to Fructose

Nutrients ◽  
2021 ◽  
Vol 13 (6) ◽  
pp. 1916
Author(s):  
Mehmet Kanbay ◽  
Begum Guler ◽  
Lale A. Ertuglu ◽  
Tuncay Dagel ◽  
Baris Afsar ◽  
...  
Keyword(s):  
Uric Acid ◽  
Growth Factor ◽  
Fibroblast Growth Factor ◽  
Apple Juice ◽  
Metabolic Response ◽  
Serum Glucose ◽  
Metabolic Effects ◽  
Fibroblast Growth Factor 21 ◽  
Model Assessment ◽  
Fibroblast Growth

Background: The consumption of sweetened beverages is associated with increased risk of metabolic syndrome, cardiovascular disease, and type 2 diabetes mellitus. Objective: We hypothesized that the metabolic effects of fructose in sugary beverages might be modulated by the speed of ingestion in addition to the overall amount. Design: Thirty healthy subjects free of any disease and medication were recruited into two groups. After overnight fasting, subjects in group 1 drank 500 mL of apple juice over an hour by drinking 125 mL every 15 min, while subjects in group 2 drank 500 mL of apple juice over 5 min. Blood samples were collected at time zero and 15, 30, 60, and 120 min after ingestion to be analyzed for serum glucose, insulin, homeostatic model assessment (HOMA-IR) score, fibroblast growth factor 21, copeptin, osmolarity, sodium, blood urea nitrogen (BUN), lactate, uric acid, and phosphate levels. Results: Serum glucose, insulin, HOMA-IR, fibroblast growth factor 21, copeptin, osmolarity, sodium, BUN, and lactate levels increased following apple juice ingestion. The increases were greater in the fast-drinking group, which were more significant after 15 min and 30 min compared to baseline. The changes in uric acid were not statistically different between the groups. Phosphate levels significantly increased only in the fast-drinking group. Conclusion: Fast ingestion of 100% apple juice causes a significantly greater metabolic response, which may be associated with negative long-term outcomes. Our findings suggest that the rate of ingestion must be considered when evaluating the metabolic impacts of sweetened beverage consumption.

scholarly journals Integrated Regulation of Hepatic Metabolism by Fibroblast Growth Factor 21 (FGF21) in Vivo

Endocrinology ◽  
2011 ◽  
Vol 152 (8) ◽  
pp. 2996-3004 ◽  
Author(s):  
ffolliott M. Fisher ◽  
Jennifer L. Estall ◽  
Andrew C. Adams ◽  
Patrick J. Antonellis ◽  
Holly A. Bina ◽  
...  
Keyword(s):  
Gene Expression ◽  
Growth Factor ◽  
Fibroblast Growth Factor ◽  
Serum Insulin ◽  
Hepatic Metabolism ◽  
Hepatic Function ◽  
Fibroblast Growth Factor 21 ◽  
Fibroblast Growth ◽  
Hepatic Expression

Fibroblast growth factor (FGF21) plays an important role in regulating hepatic oxidation of fatty acids and gluconeogenesis in response to fasting and during consumption of a ketogenic diet. However, the metabolic pathways through which FGF21 regulates hepatic function are not well defined. To identify the effects of FGF21 on the liver in vivo, we administered FGF21 to mice and analyzed acute effects on signaling and gene expression. We found that FGF21 acts directly on the liver to stimulate phosphorylation of fibroblast growth factor receptor substrate 2 and ERK1/2. Acute FGF21 treatment induced hepatic expression of key regulators of gluconeogenesis, lipid metabolism, and ketogenesis including glucose-6-phosphatase, phosphoenol pyruvate carboxykinase, 3-hydroxybutyrate dehydrogenase type 1, and carnitine palmitoyltransferase 1α. In addition, injection of FGF21 was associated with decreased circulating insulin and free fatty acid levels. FGF21 treatment induced mRNA and protein expression of peroxisome proliferator-activated receptor-γ coactivator (PGC-1α), suggesting that PGC-1α may play a role in regulating FGF21 action. However, studies using mice with liver-specific ablation of PGC-1α revealed the same regulation of gluconeogenic gene expression by FGF21 as seen in wild-type mice, indicating that PGC-1α is not necessary for the effect of FGF21 on glucose metabolism. These data demonstrate that FGF21 acts directly on the liver to modulate hepatic metabolism. The direct effects we examined are not dependent on PGC-1α. In addition, FGF21 treatment is associated with decreased serum insulin levels that my affect hepatic function.

scholarly journals SUN-372 Deterioration of Bone Microarchitecture in Prediabetes Is Partly Mediated Through Fibroblast Growth Factor 21

2020 ◽  
Vol 4 (Supplement_1) ◽  
Author(s):  
David T W Lui ◽  
Chi Ho Lee ◽  
Vicky W K Chau ◽  
Carol H Y Fong ◽  
Kristy M Y Yeung ◽  
...  
Keyword(s):  
Growth Factor ◽  
Postmenopausal Women ◽  
Fibroblast Growth Factor ◽  
Trabecular Bone Score ◽  
Bone Microarchitecture ◽  
Fibroblast Growth Factor 21 ◽  
Model Assessment ◽  
Fibroblast Growth ◽  
Mineral Density ◽  
Chinese Postmenopausal Women

Abstract Introduction: Prediabetes has been reported to be associated with a worse trabecular bone score (TBS). Fibroblast growth factor 21 (FGF21) levels are raised in prediabetes and other insulin-resistant states, and FGF21 has been reported to be implicated in bone metabolism. We compared the bone mineral density (BMD) and TBS between prediabetes and normoglycemia, and studied the correlation of FGF21 with BMD and TBS. Method: Chinese postmenopausal women aged between 55 and 80 and without type 2 diabetes were recruited from the Hong Kong Cardiovascular Risk Factor Prevalence Study between November 2016 and October 2018. Participants were excluded if they were already on anti-osteoporosis therapy, had secondary causes of osteoporosis, had body mass index (BMI) &lt;15 or &gt;37 kg/m2 (when TBS measurement may not be accurate), or had an estimated glomerular filtration rate (eGFR) &lt;30mL/min. They were divided into prediabetes (defined by fasting glucose ≥5.6mmol/L or HbA1c ≥5.7%) and normoglycemia. BMD and TBS were measured by dual-energy X-ray absorptiometry. Serum FGF21 levels were measured with an in-house ELISA kit. Results: 258 participants were included (130 prediabetes and 128 normoglycemia), with a mean age of 61.5±5.1years and mean BMI of 24.2±3.7kg/m2. BMD over lumbar spine, femoral neck and total hip were all comparable between prediabetes and normoglycaemia, while TBS was lower in prediabetes (1.27±0.07 vs 1.30±0.07, p=0.007), which remained significant after adjustment for age and BMI. Serum FGF21 levels did not correlate with BMD but inversely correlated with TBS. On multiple linear regression models, serum FGF21 levels showed an independent inverse correlation with TBS (standardized beta -0.13, p=0.031), which remained significant with the inclusion of homeostasis model assessment of insulin resistance (HOMA-IR) in the model. Conclusion: Among Chinese postmenopausal women, bone quality was worse in prediabetes despite comparable bone density. Serum FGF21 levels showed a significant independent correlation with TBS, suggesting the potential impact of FGF21 on the deterioration of the bone microarchitecture in prediabetes.

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