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1.
The aim of this study is to investigate the association of IκBα promoter polymorphisms with the development of Multiple Sclerosis (MS) disease in Iranian population. One hundred and fifty patients with MS along with 150 unrelated healthy controls were enrolled in this study. The IκBα ?881A/G (rs3138053), ?826C/T (rs2233406) and ?519C/T (rs2233408) polymorphisms were determined by the polymerase chain reaction/restriction fragment length polymorphism method. This study demonstrated that the genotype frequencies of IκBα ?881A/G and ?826T/T, and allele frequencies of IκBα?881G were significantly higher in patients with MS with respect to as compared to the controls. We also found that the estimated haplotype frequency of IκBα promoter ?881G–826T–519C was significantly increased in the patient with MS in comparison with that of the healthy individuals. This study reveals that polymorphisms in the IκBα promoter (?881 A/G, ?826 C/T) are strongly associated with the susceptibility of Iranian MS patients.  相似文献   

2.
3.
Published data on the association of vascular endothelial growth factor (VEGF) gene polymorphisms with retinopathy of prematurity (ROP) are inconclusive. The aim of the study was to assess the association by using meta-analysis. Data were collected from the following electronic databases: PubMed, Elsevier Science Direct, Excerpta Medica Database, Cochrane Library and China National Knowledge Infrastructure, with the last report up to 30 April, 2012. The odds ratio (OR) and its 95?% confidence interval (95?%CI) were used to assess the strength of the association. Meta-analysis was performed in a fixed/random effect model by using the software Review Manager 4.2. A total of 7 studies based on the search criteria were involved in this meta-analysis. Meta-analysis was performed for four VEGF gene polymorphisms (?634G/C, ?460T/C, ?2578C/A and 936C/T). Significant association was found for ?460T/C polymorphism (C vs T: OR?=?0.74, 95?%CI?=?0.57–0.95, P?=?0.02; TC+CC vs TT: OR?=?0.75, 95?%CI?=?0.47–1.21, P?=?0.24; CC vs TT+TC: OR?=?0.45, 95?%CI?=?0.26–0.76, P?=?0.003; CC vs TT: OR?=?0.45, 95?%CI?=?0.24–0.84, P?=?0.01; TC vs TT: OR?=?0.96, 95?%CI?=?0.59–1.57, P?=?0.87) in the VEGF gene, but not for other polymorphisms (?634G/C, ?2578C/A and 936C/T). This meta-analysis demonstrates that advanced ROP is associated with VEGF gene ?460T/C polymorphism, but not ?634G/C, ?2578C/A and 936C/T.  相似文献   

4.
The allele and genotype frequency distributions of the Pro72Arg and C(?594)CC polymorphisms of the TP53 gene were studied in type 1 diabetes mellitus (T1DM) patients, ethnic Russians from Moscow, with a T1DM record of no more than 5 years and diabetic polyneuropathy (DPN) or a T1DM record of more than 10 years but without DPN. The Pro72Arg polymorphism was associated with DPN, a higher risk of DPN being determined by allele Arg (OR = 1.96, CI 1.32?2.90) and genotype Arg/Arg (OR = 2.14, CI 1.23?3.73). Allele Pro was associated with a lower risk of DPN (OR = 0.51, CI 0.34?0.76). No association with DPN was observed for the C(?594)CC polymorphism.  相似文献   

5.
Tumor necrosis factor (TNF) plays an important role in the pathogenesis of rheumatoid arthritis (RA). Different genetic variants including the TNF ?308G/A polymorphism are associated with RA susceptibility. However, these findings have not been replicated in all populations. The aim of this study was to determine whether the TNF ?1031T/C (rs1799964), ?376G/A (rs1800750), ?308G/A (rs1800629) ?238G/A (rs361525), and TNFR1 ?609G/T polymorphisms are associated with RA susceptibility in a sample of Mexican patients. Our study included 499 patients with RA and 492 healthy controls. The genotypes of the TNF polymorphisms were obtained using TaqMan assay. The genotype and allele frequencies of the TNF ?1031T/C, ?376G/A, ?308G/A, ?238G/A, and TNFR1 ?609G/T polymorphisms were similar among RA cases versus healthy controls, and no association with RA susceptibility was identified. Our results suggest that the TNF ?1031T/C, ?376G/A, ?308G/A, ?238G/A, and TNFR1 ?609G/T polymorphisms are not associated with RA susceptibility in a sample of Mexican patients.  相似文献   

6.
To assess the role that polymorphisms of cytokine genes play in genetic predisposition to chronic obstructive pulmonary disease (COPD), the allele and genotype distributions of IL1B, IL1RN, TNFA, LTA, IL6, IL8, and IL10 were studied in COPD patients (N = 319) and healthy individuals (N = 403), residents of Ufa, Bashkortostan. Genotype IL1RN*2/IL1RN*2 of IL1RN was identified as a risk factor for COPD, its frequency being 9.80% in the COPD patients and 4.67% in the healthy subjects (x 2 = 5.45, df = 1, P = 0.02, OR = 2.21). Genotype GG of the LTA polymorphism A252G was significantly more common in the COPD patients than in the controls (7.84% vs. 3.72%; x 2 = 5.00, df = 1, P = 0.026). In patients with COPD stage IV, the frequency of this genotype was twice as high as in those with COPD stages II and III (11.18% vs. 4.79%; x 2 = 3.08, df = 1, P = 0.08). Genotype GG of the TNFA polymorphism G(?308)A in combination with genotype AA of the LTA polymorphism A252G was significantly less frequent in the COPD patients than in the healthy subjects (38.55% vs. 46.93%; x 2 = 8.82, df = 1, P = 0.0039). Genotype GG of the IL6 polymorphism G(?174)C was more frequent in the patients with COPD stage IV (43.75% vs. 31.54% in the patients with COPD stages II and III, x 2 = 4.15, P = 0.042). No significant differences were found between the groups of COPD patients and healthy subjects concerning the genotype frequencies of the polymorphisms T(?511)C and T3953C of IL1B, G(?308)A of TNFA, G(?174)C of IL6, A(?251)C of IL8, and C(?627)A of IL10.  相似文献   

7.
Apoptosis plays an important role in atherogenesis and rupture of vulnerable plaques in coronary artery disease. FAS and FAS ligand (FASL) induce apoptosis when FAS binds to FAS-L. However sFas blocks apoptosis by binding to FAS and FASL or sFasL. The present study is sought to examine the role of extrinsic apoptotic genes (FAS, FASL) polymorphism and serum levels of FAS, FASL in the pathogenesis and susceptibility to CAD in south Indian population. The study included 300 CAD patients and 300 healthy controls. Lipid profiles, sFas, sFasL were estimated by commercially available kits. FAS ?670 G>A, FASL ?844 T>C genotypes were analyzed by PCR–RFLP. Secondary structures of pre mRNA were analyzed by the Vienna RNA webserver and gene–gene and gene–environment interactions were determined by MDR analysis. Total cholesterol, triglyceride and LDL levels were significantly high in CAD patients compared to the controls. Molecular analysis revealed that the frequency of the AA genotype of FAS (54 % vs 27 %) and CC genotypes of FASL (10.3 % vs 1.3 %) were high in CAD patients compared to controls. Secondary structure analysis of FAS and FASL confirmed our molecular analysis. sFas levels were low while serum sFasL were high in CAD patients. MDR analysis revealed synergistic effects of gene polymorphisms and additive effects of epidemiological factors on risk of CAD. Polymorphisms of FAS (?670 G/A), FASL (?844 T/C) and their circulating levels play an important role in the pathology of CAD.  相似文献   

8.
The IL4 C(?590)T, IL4RA Ile50Val, and TNF G(?308)A polymorphisms were tested for association with quantitative traits important for chronic virus hepatitis, including the levels of IL4, IL10, IL12, TNF-α, fibronectin, collagenase, the proteinase inhibitor, macroglobulin, and free and protein-bound (PBO) oxyproline. Allele A of the TNF G(?308)A polymorphism was associated with a lower TNF-α production by mononuclear cells, a higher production of IL4 and IL12, and a lower PBO level. The genotype CT of the IL4 C(?590)T polymorphism was associated with a high PBO level.  相似文献   

9.
The IL4 C(?590)T, IL4RA Ile50Val, and TNF G(?308)A polymorphisms were tested for association with the chronic development of virus hepatitis, the extent of which was inferred from the liver fibrosis stage. The frequency of allele A of the TNF G(?208)A polymorphism in patients with mild fibrosis was higher (24.5%) than in patients with moderate or severe fibrosis (13.4%) or cirrhosis (8.7%). The frequency of heterozygous genotype CT of the IL4 C(?590)T polymorphism significantly differed between cirrhosis (68.2%) and moderate or severe fibrosis (39.1%).  相似文献   

10.
Abstract

The p22phox is a critical component of vascular NADPH oxidases and is encoded by the CYBA gene. It was shown that functionally relevant polymorphisms of the CYBA gene ?930A?>?G, ?852C?>?G, ?675A?>?T, ?536C?>?T, 214C?>?T (previously described as 242C?>?T), *24A?>?G (previously described as 640A?>?G), and *49A?>?G modulate generation of reactive oxygen species (ROS). To analyse whether the CYBA gene polymorphisms ?852C?>?G, ?675A?>?T, and ?536C?>?T were associated with coronary artery disease (CAD), and to designate haplotype blocks. Four hundred and ninety subjects: 245 patients with CAD and 245 age and sex-matched controls. The polymorphisms were genotyped using the PCR-RFLP method and the TagMan® Pre-designed SNP Genotyping Assay. The analysed polymorphisms do not form haplotype blocks. Case–control study revealed that the ?930?G/-675T and ?930G/*49G diplotypes were a CAD risk factor. The 675T/*49G diplotype can modulate CAD risk in women. The protective effect reducing CAD risk in women was related to the ?930A/?675T and ?930A/*49A diplotypes. Carrier state of the ?852C allele (?852C?>?G) was associated with multivessel stenosis while the CC genotype of the ?536C?>?T polymorphism was more frequent in patients with peripheral artery disease. Hypercholesterolemic, cigarette smokers had an increased risk of CAD, especially C???852 allele (?852C?>?G) carriers (SIM?=?3.54; odds ratios (OR)?=?10.01, p?<?0.000). The CYBA gene polymorphisms modulate the risk of CAD but do not form a haplotype blocks.  相似文献   

11.
Apolipoprotein C3 (ApoC3) plays a regulatory role in triglyceride (TG) metabolism. The higher level of TG can be a cause in pathogenesis of the vascular diseases or metabolic syndrome (MetS). In this study, we examined the associations of ApoC3 polymorphisms (?482C>T rs2854117 and 3238G>C rs5128) with Korean MetS patients. A total of 835 subjects were investigated, including 320 patients with MetS and 515 healthy subjects. The genotype analysis of the ApoC3 polymorphisms was performed by polymerase chain reaction-restriction fragment length polymorphism methods. Of the two polymorphisms studied, we observed a significant difference in the ?482C>T polymorphism between the MetS and control groups. The TT genotype of the ?482C>T polymorphism was associated with increased risk for MetS, compared with the controls (OR 1.627, 95 % CI 1.075–2.463, P = 0.021). The association was female-specific. No associations were found for the risk of MetS in the 3238G>C polymorphism. Haplotypes composed of two polymorphisms, however, were associated with MetS susceptibility in only male group. The 3238G>C polymorphism was significantly associated with TG levels (P = 0.013). Our data suggest that the ApoC3 ?482C>T polymorphism is associated with increased MetS susceptibility in the Korean population.  相似文献   

12.
The pathogenesis of systemic lupus erythematosus (SLE) is complex, with several susceptibility genes and environmental factors involved in its development and clinical manifestation. Currently, there is a great amount of interest in the identification of biomarkers, as cytokines, that can quantify the susceptibility of SLE, the risk of future organ involvement, and association of their changes with disease activity. To investigate the associations between polymorphisms in the gene of Interferon gamma (IFN-γ) and in the promoter of the Interleukin-10 (IL-10) gene and SLE. The polymorphisms +874 T/A (rs2430561) in the IFN-γ gene and ?1082G/A (rs1800896) in the IL-10 promoter were determined in 99 SLE patients and 100 healthy controls among women Brazilian using the refractory mutation system polymerase chain reaction method. Disease activity was assessed using the SLE activity index. There were significant differences in the distribution of the genotype T/A in IFN-γ gene polymorphism (+874) (χ 2 = 7.168; P = 0.0074) and the genotype G/A in IL-10 promoter polymorphism (?1082) (χ 2 = 4.654; P = 0.0310) between the SLE and control groups. However, no association was observed between clinical features and the polymorphisms studied. This study presents preliminary evidence for association between IL-10 and IFN-γ polymorphism and SLE susceptibility, but not with clinical features in a Northeast population from Brazil.  相似文献   

13.
To determine how single nucleotide polymorphisms (SNPs) in the hypoxia inducible factor-1α (HIF-1α) gene coding regions affect gastric cancer, the authors conducted an association study of the HIF-1α polymorphisms C1772T and G1790A for a Tibet population. DNA was extracted from peripheral blood of 87 gastric cancer patients and 106 controls and analyzed using the polymerase chain reaction/ligase detection reaction test for HIF-1α polymorphisms. There was a significant increase in the frequency of the GA 1790 genotype in patients with gastric cancer compared with healthy controls (OR 2.93; 95% CI 1.06–8.06). The genotype frequency of the HIF-1α G1790A allele A is higher in gastric cancer groups than in controls (OR 2.78; 95% CI 1.03–7.45). As for the C1772T polymorphism, no positive correlation was found between gastric cancer patients and controls (P = 0.06). Our results suggest that the HIF-1α G1790A polymorphism may be associated with gastric cancer in Tibetans.  相似文献   

14.

Background

Hyperhomocysteinemia (>15 µmol/L) is highly prevalent in South Asian populations including Pakistan. In order to investigate the genetic determinants of this condition, we studied 6 polymorphisms in genes of 3 enzymes - methylenetetrahydrofolate reductase (MTHFR; C677T; A1298C), methionine synthase (MS; A2756G), cystathionine-β-synthase (CBS; T833C/844ins68, G919A) involved in homocysteine metabolism and investigated their interactions with nutritional and environmental factors in a Pakistani population.

Methodology/Principal Findings

In a cross-sectional survey, 872 healthy adults (355 males and 517 females; age 18–60 years) were recruited from a low-income urban population in Karachi. Fasting venous blood was obtained and assessed for plasma/serum homocysteine; folate, vitamin B12, pyridoxal phosphate and blood lead. DNA was isolated and genotyping was performed by PCR-RFLP (restriction-fragment-length- polymorphism) based assays. The average changes in homocysteine levels for MTHFR 677CT and TT genotypes were positive [β(SE β), 2.01(0.63) and 16.19(1.8) µmol/L, respectively]. Contrary to MTHFR C677T polymorphism, the average changes in plasma homocysteine levels for MS 2756AG and GG variants were negative [β(SE β), −0.56(0.58) and −0.83(0.99) µmol/L, respectively]. The average change occurring for CBS 844ins68 heterozygous genotype (ancestral/insertion) was −1.88(0.81) µmol/L. The combined effect of MTHFR C677T, MS A2756G and CBS 844ins68 genotypes for plasma homocysteine levels was additive (p value <0.001). Odds of having hyperhomocysteinemia with MTHFR 677TT genotype was 10-fold compared to MTHFR 677CC genotype [OR (95%CI); 10.17(3.6–28.67)]. Protective effect towards hyperhomocysteinemia was observed with heterozygous (ancestral/insertion) genotype of CBS 844ins68 compared to homozygous ancestral type [OR (95% CI); 0.58 (0.34–0.99)]. Individuals with MTHFR 677CT or TT genotypes were at a greater risk of hyperhomocysteinemia in folate and vitamin B12 deficiencies and high blood lead (p value <0.05) level.

Conclusions

Gene polymorphism (especially MTHFR C677T transition), folate and vitamin B12 deficiencies, male gender and high blood lead level appear to be contributing towards the development of hyperhomocysteinemia in a Pakistani population.  相似文献   

15.
Our aim was to examine correlations between polymorphisms in five antioxidant enzymes genes, activity of free-radical processes, and the risk of restenosis after coronary artery stenting with bare metal stents (BMS). A total of 101 male patients who underwent intracoronary stenting using BMS and coronary angiography follow-up of 6 months were enrolled in: group with in-stent restenosis (n = 44) and without restenosis (n = 57). The content of lipoperoxides and malondialdehyde (MDA) in Low-density lipoprotein (LDL), activity of superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx) in erythrocytes, and genotypes polymorphisms of the CAT gene (?262C/T), paraoxonase-1 (PON-1) gene (163T/A and 575A/G), endothelial nitric oxide synthase (eNOS) gene (298G/T (rs#1799983) and ?786T/C), GPx-1 gene (599C/T (rs#1050450)), and glutathione-S-transferase (GSTP) gene (313A/G) were determined. In carriers of the minor allele of 599C/T polymorphism of the GPx-1 gene, activity of GPx in erythrocytes was lower by 17 % than in wild allele homozygotes, while the content of lipoperoxides in LDL was higher by 74 %. T-allele of 599C/T polymorphism of the GPx-1 gene (OR = 2.9; 95 % CI: 1.23–6.82) and T-allele of 298G/T polymorphism of the eNOS gene (OR = 2.79; 95 % CI: 1.17–6.66) were associated with the risk of in-stent restenosis. Minor alleles of polymorphisms 298G/T of the eNOS gene and 599C/T of the GPx-1 gene are associated with an increased risk of in-stent restenosis. Minor allele of the GPx-1 gene 599C/T polymorphism leads to a decrease of the GPx activity and increase of the activity of free-radical processes.  相似文献   

16.
This paper describes a case–control study and a meta-analysis performed to evaluate if the following polymorphisms are associated with presence of obesity: ?3826A/G (UCP1); ?866G/A, Ala55Val and Ins/Del (UCP2) and ?55C/T (UCP3). The case–control study enrolled 282 obese and 483 non-obese patients with type 2 diabetes. A literature search was made to identify all studies that evaluated associations between UCP13 polymorphisms and obesity. In the case–control study the distributions of the UCP variants did not differ between obese and non-obese groups (P > 0.05). Forty-seven studies were eligible for the meta-analysis and the results showed that the UCP2 ?866G/A and UCP3 ?55C/T polymorphisms were associated with protection to obesity in Europeans (OR = 0.89, 95 % CI 0.82–0.97 and OR = 0.88, 95 % CI 0.80–0.97, respectively). The UCP2 Ala55 val polymorphism was associated with obesity in Asians (OR = 1.61, 95 % CI 1.13–2.30). The UCP2 Ins/Del polymorphism was associated with obesity mainly in Europeans (OR = 1.19, 95 % CI 1.00–1.42). There was no significant association of the UCP1 ?3826A/G polymorphism with obesity. In our case–control study we were not able to demonstrate any association between UCP polymorphisms and obesity in T2DM patients; however, in the meta-analysis we detected a significant association of UCP2 ?866G/A, Ins/Del, Ala55Val and UCP3 ?55C/T polymorphisms with obesity.  相似文献   

17.
The aim of this study was to assess the association of polymorphisms in the promoter region of the IL-10 gene with the risk of inflammatory bowel disease (IBD), including Crohn’s disease (CD) and ulcerative colitis (UC). Fifteen studies (3,693 cases and 4,574 controls) were included in a meta-analysis of association between IL-10 ?1082G/A, ?819C/T and ?592C/A polymorphisms, and IBD, CD and UC using allele contrast and the recessive, dominant, and additive models. Hardy–Weinberg equilibrium was confirmed for each study. Heterogeneity and study quality were investigated using stratification analyses and sensitivity analyses. Polymorphism ?1082G/A showed significant association with CD, with odds ratios (ORs) for the GG + GA genotype and GG versus AA genotype of 1.278 (1.004–1.627) and 1.238 (1.027–1.492) in all subjects. Significant associations were found in the Caucasian subgroup using the allele contrast, dominant, and additive models. C-allele carriers of the ?819C/T polymorphism were at increased risk of IBD (OR 1.093, 95 % CI 1.004–1.190). Association with the ?819C/T polymorphism was also found in Caucasians with CD (C vs. T: OR 1.104, 95 % CI 1.010–1.206; CC + CT vs. TT: OR 1.328, 95 % CI 1.006–1.754; CC vs. TT: OR 1.339, 95 % CI 1.008–1.778), and with UC (CC vs. CT + TT: OR 1.188, 95 % CI 1.019–1.385). No significant association was found between the ?592C/A polymorphism and IBD, CD or UC. In conclusion, the meta-analysis demonstrated clear association between the IL-10 polymorphisms ?1082G/A and ?819C/T and the risk of IBD.  相似文献   

18.
The aim of this study was to determine whether the toll-like receptor (TLR) and matrix metalloproteinase (MMP) polymorphisms confers susceptibility to periodontitis in ethnically different populations. A literature search using PubMed and Embase provided the data to conduct a meta-analysis on the associations between the TLR2 Arg753Gln, TLR4 Asp299Gly, Thr399Ile, MMP-1 ?1607 G1/G2 and MMP-9 ?1562 C/T polymorphisms and periodontitis. A total of 32 studies (14 on TLR polymorphisms and 18 on MMP polymorphisms) were considered in the meta-analysis. The meta-analysis showed no association between periodontitis and the TLR2 753Arg allele (Odds ratio [OR] = 0.962, 95 % confidence interval [CI] = 0.662–1.400, p = 0.841). Meta-analysis of the TLR4 Asp299Gly and Thr399Ile polymorphisms showed no association between periodontitis and the TLR4 299Asp allele in all study subjects (OR = 0.984, 95 % CI = 0.761–1.271, p = 0.900; OR = 1.030, 95 % CI = 0.748–1.418, p = 0.854). Meta-analysis showed an association between the MMP-1 ?1607 G2G2 genotype and periodontitis in Asians (OR = 3.778, 95 % CI = 1.210–11.80, p = 0.022). Meta-analysis containing only studies in Hardy–Weinberg equilibrium revealed no association between chronic periodontitis and the MMP-9 ?1562TT genotype (OR = 0.638, 95 % CI = 0.265–1.533, p = 0.315). This meta-analysis demonstrates a lack of association between the TLR2 Arg753Gln, TLR4 Asp299Gly, Thr399Ile, MMP-9 ?1562 C/T polymorphisms and periodontitis, but shows an association between the MMP-1 ?1607 G2G2 genotype and periodontitis in Asians.  相似文献   

19.
The serotonin 2A (5-HT2A) receptor has been implicated in obstructive sleep apnea (OSA). Single nucleotide polymorphisms (SNPs) in the 5-HT2A gene have been found in OSA, the most common being ?1438G/A and T102C; however, studies of the association between 5-HT2A SNPs and OSA risk have reported inconsistent findings. A meta-analysis was performed to quantitatively review the association between ?1438G/A and T102C SNPs and OSA. Five studies, including 791 subjects for ?1438G/A genotype and 1,068 subjects for T102C genotype, were selected. Pooled data analysis of the ?1438G/A genotype indicated a significantly increased OSA risk was associated with two variant genotypes (AA vs. AG+GG: OR 3.023, 95 % CI 2.169–4.213, P = 0.506 for heterogeneity; A allele carriers vs. GG: OR 1.938, 95 % CI 0.879–4.274, P = 0.012 for heterogeneity). Stratification analysis by gender supported the association in males, but not females. For the T102C genotype, no significantly increased OSA risk was associated with the two variant genotypes (CC vs. CT+TT: OR 1.065, 95 % CI 0.787–1.442, P = 0.361 for heterogeneity; C allele carriers vs. TT: OR 0.979, 95 % CI 0.737–1.3, P = 0.9 for heterogeneity).In conclusions, meta-analysis indicated that the ?1438G/A, and not T102C, polymorphism of 5-HT2A is a positive risk factor of OSA, especially in males.  相似文献   

20.
Ghrelin hormone has an important role in a wide range of metabolic and non-metabolic processes. Polymorphisms of ghrelin gene could be associated with a large number of diseases. The aim of this study was to evaluate the association of ?604G/A and ?501A/C polymorphisms in ghrelin and obestatin prepropeptide gene (GHRL) with polycystic ovary syndrome (PCOS) in a sample of Iranian women. One hundred and fifty-two women with PCOS and 162 age-matched apparently healthy women as control group were enrolled in this study. The study subjects were genotyped for polymorphisms in the ghrelin gene using polymerase chain reaction–restriction fragment length polymorphism-based methods. Biochemical parameters, serum prolactin, luteinizing hormone, follicle stimulating hormone, estradiol, and testosterone were estimated by chemiluminescence assay. Serum lipids and lipoproteins were determined by standard enzymatic methods. The association between the risk of PCOS and ghrelin gene polymorphisms was examined using Multivariate analysis. The frequency of the ?604G/A and ?501A/C polymorphisms was not statistically different between patients and the control group of women (p = 0.12 and p = 0.21, respectively). A significantly higher level of LDL-C was found in the wild-type AA genotype compared with CC genotype of ?501A/C polymorphism (p = 0.02). Our findings indicate that neither ?604G/A and nor ?501A/C polymorphisms of ghrelin gene are associated with PCOS, but suggest a relation between the presence of polymorphic allele of ?501A/C polymorphism and LDL-C level in a sample of Iranian women.  相似文献   

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