scholarly journals Serum levels of TNF-a and IFN-g gene polymorphism in type 2 diabetes mellitus in kurdish patients

2021 ◽  
Vol 67 (2) ◽  
pp. 171-177
Author(s):  
Suhaila Nafee Darogha

Type 2 diabetes mellitus (T2DM) is a metabolic disease and cytokines show a vital role in the T2DM progress. The goal of this research was to assess serum levels of tumor necrosis factor-alpha (TNF-?) and interferon-gamma (IFN-?) gene polymorphism in T2DM in Kurdish patients. Levels of serum IFN-? and TNF-? were assessed through enzyme-linked immune sorbent assay in individuals with T2DM and the control group. DNA was extracted and the amplification refractory mutational system method was utilized for genotyping the IFN-? (+874) A/T and TNF-? (-308) G/A. The Hardy–Weinberg equilibrium was evaluated with the ?2-test. The IFN- ? serum levels were significantly different between patients with T2DM and control individuals (P<0.05). But the C-reactive protein (CRP) and TNF-? serum levels were not significantly different between them (P>0.05). The serum level of IFN- ? (+874) AT genotype and TNF-? (- 308) GG genotypes were significantly higher in the T2DM group comparing with healthy people (P<0.05). A significant relation between T2DM and IFN-? (+874) gene polymorphism’s TT and AT genotypes was observed. Also, it was not a significant relation between TNF-? (?308) gene polymorphism’s GG and GA genotypes and T2DM. But the statistically significant difference was found in the genotype AA frequency. Genetic polymorphisms of IFN-? (+874) and TNF-? (?308) are contributed to the genetic susceptibility for T2DM development in the Kurdish population. Early screening of these two genetic polymorphisms may assist in the early control and management of T2DM.

Folia Medica ◽  
2019 ◽  
Vol 61 (1) ◽  
pp. 69-75
Author(s):  
Serdar Olt ◽  
Orhan Öznas ◽  
Haydar Bağış ◽  
Eda Tahir Turanlı

Abstract Background: Previous studies have shown that chemerin has important roles in the development of obesity, insulin resistance, metabolic syndrome, polycystic ovary syndrome (PCOS) and T2DM. The main goal of our study was to investigate the role of Chemerin rs17173608 gene polymorphism in T2DM (type 2 diabetes mellitus). Materials and methods: 100 patients with T2DM and 50 healthy volunteers were included in the present study. DNA isolation from blood samples was performed with K1820-02 DNA Mini Kit. Chemerin gene polymorphism was detected by Tetra- Amplification Refractory mutation system polymerase chain reaction (T-ARMS-PCR). At the end of T-ARMS-PCR, samples were run using gel electrophoresis. Some samples were validated by sequence analysis. Results: In the genotype analysis, 18.0% of patients had TT genotype and 81.0% of TG genotype was detected. GG genotype was not detected in any patient. Genotype of 1 patient was unidentified. Genotype distribution of healthy control group was 12.0% TT genotype and 88.0% TG genotype. Similar to the T2DM group, the GG genotype was not detected in the control group. There was no statistically significant difference between T2DM group and healthy control group for TG and TT genotypes. Conclusion: To our knowledge, chemerin rs17173608 gene polymorphism has been investigated in T2DM for the first time herein. In the present study, the TT genotype ratios were higher in the T2DM subjects than in healthy subjects. G allele frequency in the T2DM group was lower than that in the control group. However, there was no statistically significant difference between the groups.


2019 ◽  
Vol 18 (3) ◽  
pp. 287-293 ◽  
Author(s):  
A. SaiPrathiba ◽  
G. Senthil ◽  
Udyama Juttada ◽  
Bamila Selvaraj ◽  
Satyavani Kumpatla ◽  
...  

Studies addressing the link between gene polymorphism and Charcot neuropathic osteoarthopathy (CN) have been limited to analyse osteoprotegerin gene. Aim is to understand the association of RANKL gene variants on the susceptibility of diabetic neuropathy and CN and to measure the serum levels of sRANKL among Indian population with type 2 diabetes. 77 subjects (48 males: 29 females) were recruited and divided into 3 groups. Group 1 Control: normal glucose tolerance (NGT). Group 2: Type 2 diabetes mellitus and neuropathy (DPN). Group 3: Established type 2 diabetes mellitus, DPN, and CN. Subjects were genotyped for RANKL SNP 693 C/G and 643 C/T using polymerase chain reaction-restriction fragment length polymorphism. sRANKL levels were measured using ELISA (enzyme-linked immunosorbent assay). The serum levels of sRANKL were significantly different between the 3 groups. In RANKL -643 C/T the frequency of “CT” genotype and the minor allele “T” was greater among the DPN and CN group compared with the NGT. Further statistical analysis found a significant difference in genotypic frequencies between DPN and NGT subjects with CT genotype. In RANK L -693 C/G the frequency of homozygote mutant “GG” and the minor allele “G” was greater among the DPN and CN group compared with the NGT. Significant differences in genomic frequencies were observed among “GG” genotype. RANKL -643 C/T was significantly associated with DPN alone while -693 C/G was significantly associated with both DPN and CN. Thus, the study suggests RANKL polymorphism might be considered as an independent risk factor for the development of CN.


2012 ◽  
Vol 56 (5) ◽  
pp. 285-290 ◽  
Author(s):  
Serdal Korkmaz ◽  
Abdulkerim Yilmaz ◽  
Gürsel Yildiz ◽  
Fatih Kiliçli ◽  
Serhat Içağasioğlu

OBJECTIVE: The rate of reduction of nocturnal blood pressure (NBP) is lesser than normal in patients with type 2 diabetes mellitus (type 2 DM). Hyperhomocysteinemia (HHC) disrupts vascular structure and function, no matter the underlying causes. The risk of development of vascular disease is greater in diabetic patients with hyperhomocysteinemia than in patients with normal homocystein levels. The aim of the study was to investigate whether there are differences of homocystein levels in dipper and non-dippers patients with type 2 DM. SUBJECTS AND METHODS: We compared 50 patients (33 females, 17 males) with type 2 DM and 35 healthy individuals (18 females, 17 males ) in a control group. Ambulatory blood pressure monitoring (ABPM) was performed and homocysteine levels were measured in all patients. RESULTS: We found that the percentage of non-dipper pattern was 72% in patients with type 2 DM and 57% in control group. In diabetic and control individuals, homocystein levels were higher in non-dipper (respectively 13.4 ± 8.1 µmol/L and 11.8 ± 5 µmol/L) than in dipper subjects (respectively, 11.8 ± 5.8 µmol/L and 10.1 ± 4.2 µmol/L), but there was no significant difference between the two groups (respectively, p = 0.545, p = 0.294). CONCLUSION: In both groups, homocystein levels were higher in non-dipper than in dipper participants, but there was no significant difference between the groups. High homocystein levels and the non-dipper pattern increases cardiovascular risk. Therefore, the relationship between nocturnal blood pressure changes and homocystein levels should be investigated in a larger study.


2016 ◽  
Vol 2016 ◽  
pp. 1-6 ◽  
Author(s):  
Yuze Li ◽  
Dianzhong Li ◽  
Jinfeng Zhang ◽  
Shurui Liu ◽  
Haijun Chen ◽  
...  

The purpose of this study is to explore why type 2 diabetes mellitus (T2DM) patients are susceptible to pulmonary tuberculosis through detection of serum Toll-like receptor 4 (TLR4), an important immune-related receptor, especially in terms of content and TLR4gene polymorphism. Patients with T2DM complicated by pulmonary tuberculosis (T2DMTB) were selected as the case group and T2DM patients without tuberculosis were selected as the control group. Forty patients in each group were randomly selected and their serum TLR4levels were detected and compared. Determination of six sites of TLR4gene polymorphism was carried out in 238 T2DMTB patients and 310 patients with T2DM, and results showed that the serum TLR4content of the T2DMTB group was significantly lower than that of the T2DM group (p<0.05). The six sites of TLR4gene polymorphism did not show significant associations with T2DMTB risk. No statistically significant differences in genotype distributions were observed between T2DMTB patients and patients with T2DM when studied using the recessive and dominant genetic models. How two diseases with contradictory nutritional statuses can occur in the same person is difficult to explain from environmental factors perspective alone. Future research should study the causes of T2DMTB from the perspective of genetics.


2016 ◽  
Vol 19 (1) ◽  
pp. 63-70 ◽  
Author(s):  
D Popović ◽  
J Nikolajević Starčević ◽  
M Šantl Letonja ◽  
J Makuc ◽  
A Cokan Vujkovac ◽  
...  

ABSTRACTThe platelet endothelial cell adhesion molecule 1 (PECAM-1) plays an important role in many inflammatory processes, including the development of atherosclerosis. Polymorphism rs668 of the PECAM-1 gene (373C/G) is functional, and it was reported to be associated with increased serum levels of PECAM-1. We investigated the association between the rs668 polymorphism of PECAM-1 and subclinical markers of carotid atherosclerosis in subjects with type 2 diabetes mellitus (T2DM). Five hundred and ninety-five T2DM subjects and 200 control subjects were enrolled. The carotid intima-media thickness (CIMT) and plaque characteristics (presence and structure) were assessed ultrasonographically. Biochemical analyses were performed using standard biochemical methods. Geno-typing of the PECAM-1 gene polymorphism (rs668) was performed using KASPar assays. The control examinations were performed 3.8 ± 0.5 years after the initial examination. Higher CIMT was found in patients with T2DM in comparison with subjects without T2DM. Statistically sig-nificantly faster progression of the atherosclerotic markers was shown in subjects with T2DM in comparison with the control group. When adjusted to other risk factors, the rs668 GG genotype was associated with an increased risk of carotid plaques in subjects with T2DM. We concluded that our study demonstrated a minor effect of the rs668 PECAM-1 on markers of carotid atherosclerosis in subjects with T2DM.


2021 ◽  
Author(s):  
Nezaket COBAN ◽  
Aysegul Bayramoglu ◽  
Zeynep TEMIZ

Abstract Type 2 diabetes mellitus (T2DM) is very common worldwide and genetically heterogeneous. One of the microvascular complications is diabetic nephropathy (DN). In recent years, T2DM has been described as a disease caused by chronic inflammation. The imbalance between pro- and anti-inflammatory cytokines causes inflammation. One of the candidate genes associated with T2DM and DN is the Interleukin-6 (IL-6) gene, one of the pro-inflammatory cytokines. This study was conducted to determine the polymorphism frequencies of the IL-6 gene rs1800796 and investigate the role of this polymorphism in the development of T2DM and DN. Genomic DNA that was obtained from 261 people was used in the study. IL-6 gene rs1800796 polymorphism was determined using the PCR, restriction fragment length polymorphism (RFLP) and electrophoresis. IL-6 gene PCR products were discontinued by treatment with restriction enzyme BsrBI and were analyzed in 2% agarose gel electrophoresis. IL-6 (Bioassay technology laboratory, Shangai, China) level was examined by enzyme-linked immunosorbent assay (ELISA) using a commercial kit. The results were statistically analyzed. The frequencies of rs1800796 genotypes were found to be GG 70.7%, GC 28.5%, CC 0.8% in the control group and GG 87.8%, GC 9.9 %, CC 2.3% in T2DM patients. Although there was a statistically significant difference between the control group and the T2DM patient group in genotype and allele frequencies, there was no significant difference in DN. The G allele frequency was also significantly higher in the T2DM group (p=0.000). IL-6 levels were determinated increased in patients with Type-2 diabetes compared to the control group. However; there was no significant statistically. We can say that IL-6 rs1800796 polymorphism is related to T2DM and G allele can be used as a useful genetic marker; this polymorphism is not related to DN, though.


2019 ◽  
Vol 39 (7) ◽  
Author(s):  
De-kang Zeng ◽  
Qian Xiao ◽  
Fa-qi Li ◽  
Yu-zhi Tang ◽  
Chao-li Jia ◽  
...  

Abstract Patients with type 2 diabetes mellitus (T2DM) have a very high risk of cardiovascular related events, and reducing complications is an important evaluation criterion of efficacy and safety of hypoglycemic drugs. Previous studies have shown that the dipeptidyl peptidase-4 (DPP-4) inhibitors (DPP4i), such as sitagliptin, might reduce the incidence of major cardiovascular events (MACEs). However, the safety and efficacy of sitagliptin remains controversial, especially the safety for cardiovascular related events. Here, a systematic review was conducted to assess the cardiovascular safety of sitagliptin in T2DM patients. The literature research dating up to October 2018 was performed in the electronic database. The clinical trials about sitagliptin for T2DM patients were included. Two reviewers independently screened literature according to the inclusion and exclusion criteria. The primary outcome was the MACE, and the secondary outcome was all-cause mortality. Finally, 32 clinical trials composed of 16082 T2DM patients were included in this meta-analysis. The results showed that: there was no significant difference between sitagliptin group and the control group on MACE (odds ratio (OR) = 0.85, 95% confidence intervals (CIs) = 0.63–1.15), myocardial infarction (MI) (OR = 0.66, 95% CI = 0.38–1.16), stroke (OR = 0.83, 95% CI = 0.44–1.54) and mortality (OR = 0.52, 95% CI = 0.26–1.07). These results demonstrated that sitagliptin did not increase the risk of cardiovascular events in patients with T2DM.


2008 ◽  
Vol 294 (5) ◽  
pp. E987-E992 ◽  
Author(s):  
Lina Yang ◽  
Hongyan Li ◽  
Ting Yu ◽  
Haijun Zhao ◽  
M. George Cherian ◽  
...  

Metallothionein (MT) as a potent antioxidant can affect energy metabolism. The present study was undertaken to investigate the association between MT gene polymorphism and type 2 diabetes mellitus. Using the PCR-based restriction fragment length polymorphism method, seven single nucleotide polymorphisms (SNPs) in MT genes (rs8052394 and rs11076161 in MT1A gene, rs8052334, rs964372 , and rs7191779 in MT1B gene, rs708274 in MT1E gene, and rs10636 in MT2A gene) were detected in 851 Chinese people of Han descent (397 diabetes and 454 controls). Several serum measurements were also examined randomly for 43 diabetic patients and 41 controls. The frequency distributions of the G allele in SNP rs8052394 of MT1A gene were significantly associated with the incidence of type 2 diabetes. There was no difference between patients and controls for the rest of six SNPs. Serum levels of interleukin-6 and tumor necrosis factor-α were higher, and serum superoxide dismutase activity was significantly lower in the diabetic group than those in the control group. For diabetic patients, serum superoxide dismutase activity was significantly lower in GG or GA carriers than those of AA carriers of rs8052394 SNP. Increased serum levels in diabetic patients were positively associated with rs964372 SNP, and type 2 diabetes with neuropathy was positively associated with rs10636 and rs11076161. These results suggest that multiple SNPs in MT genes are associated with diabetes and its clinical symptoms. Furthermore, MT1A gene in rs8052394 SNP is most likely the predisposition gene locus for diabetes or changes of serum superoxide dismutase activity.


Author(s):  
Jiawei Qin ◽  
Kaize Zhao ◽  
Yannan Chen ◽  
Shuai Guo ◽  
Yue You ◽  
...  

The effect of exercise intervention on balance capacity among type 2 diabetes mellitus (T2DM) patients has not been evaluated. The objective of this systematic review and meta-analysis is to investigate the effect of exercise intervention on balance capacity among T2DM patients compared to the control group (usual care, waitlist, no-treatment, education). We conducted a comprehensive literature search through PubMed, EMBASE, Physiotherapy Evidence Database (PEDro), Cochrane library, Web of Science (WOS) from inception to August 2020. The literature language was limited to English. Randomized controlled trials (RCTs) or quasi-experimental (Q-E) trials that examined the effect of exercise intervention on balance capacity among T2DM patients were included. We used the standard methods of meta-analysis to evaluate the outcomes of exercise intervention for balance capacity of T2DM patients. A total of 14 trials (11 RCTs and 3 Q-E trials) involving 883 participants were eligible. The meta-analysis of some studies demonstrated that exercise intervention could significantly improve Berg Balance Scale (BBS) (MD = 2.56; 95%CI [0.35, 4.77]; P = .02), SLST (Single Leg Stance Test) under the eyes-open (EO) condition (MD = 3.63; 95%CI [1.79, 5.47]; P = .0001) and eyes-close (EC) condition (MD = 0.41; 95%CI [0.10, 0.72]; P = .01) compared to control group. There was no significant difference in Time Up and Go Test (TUGT) (MD = −0.75; 95%CI [−1.69, 0.19]; P = .12) and fall efficacy (SMD = −0.44; 95%CI [−0.86, −0.01]; P = .05). Narrative review of some studies indicated that exercise intervention could improve postural stability measured by Sensory Organization Test (SOT) and Center of Pressure (COP) variables, etc. This systematic review and meta-analysis summarized that exercise intervention could improve balance capacity in T2DM patients. However, further studies with high quality are required to evaluate its effect.


2021 ◽  
Vol 24 (4) ◽  
pp. 7-14
Author(s):  
Aseel Ali Abd Ali Sahib ◽  
◽  
Mohammed I. Hamzah ◽  
Mahmood Shakir Khudhair ◽  
◽  
...  

Background Type 2 Diabetes Mellitus is produced by cell failure of pancreatic cells and insulin resistance and is a disorder in which the amount of sugar in the blood is elevated. Angiopoietin-like protein 4 (ANGPTL4) functions as an inhibitor of lipoprotein lipase, a critical enzyme in lipid metabolism. The aim of this study was to explore if the ANGPTL4 gene's E40K variant and ANGPTL4 serum levels are related to the Body mass index, fasting glucose levels, lipid levels, and glycated hemoglobin.Method75 people were enrolled in this case-control study, 25 of whom had type 2 diabetes mellitus while the other 50 were healthy control subjects. Fasting blood glucose, Lipid profile, Glycated hemoglobin were estimated by Cobas 111 analyzer, BMI (weight, height) was calculated, angiopoietin-like protein 4by anenzyme-linked immune sorbent test kit and TaqMan genotyping-based real-time PCR was used to ascertain ANGPTL4 genotypes. The variant was linked to the risk of Type 2 Diabetes Mellitus and parameters used to quantify the variant were identified. Result Patients in the 30-50 age range with type 2 diabetes and those in the same age group who serve as controls. The control group had a lower level of angiopoietin-like protein 4 (ANGPTL4) than the diabetes group. Patients with T2DM had a substantially (p< 0.0001) greater fasting serum Angiopoietin-like protein 4 level than the control group (135.1±6.70) ng/ml and (62.35±6.4) ng/ml, respectively. The diabetes group has significantly higher fasting serum glucose, lipid profile, and glycated hemoglobin compared with non-diabetics. Serum Angiopoietin-like protein 4 was correlated positively with body mass index. (CC,CT,TT) genotypes of the rs2010871 polymorphism There was a significant difference in frequency of the control group (p =0.0477); however, there was no significant difference in its level of (diabetics, newly diagnosed type 2 diabetic before treatment)p-value (0.7066, 0.5555) respectively Conclusion Serum Angiopoietin-like protein 4 levels are negatively correlated to cholesterol, positively correlated to triglyceride, negatively correlated to HDL, positively correlated to HbA1c, negatively correlated to LDL, negatively correlated to VLDL, negatively correlated to FBS, negatively correlated to BMI. The C>T allele at the ANGPTL4 gene's rs2010871polymorphic locus was linked to a decreased prevalence of Type 2 diabetes.


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