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Celik Y, Peker Y, Yucel-Lindberg T, Thelander T, Behboudi A. Association of TNF-α (-308G/A) Gene Polymorphism with Changes in Circulating TNF-α Levels in Response to CPAP Treatment in Adults with Coronary Artery Disease and Obstructive Sleep Apnea. J Clin Med 2023; 12:5325. [PMID: 37629366 PMCID: PMC10455347 DOI: 10.3390/jcm12165325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 08/10/2023] [Accepted: 08/11/2023] [Indexed: 08/27/2023] Open
Abstract
RATIONALE We recently demonstrated that patients with coronary artery disease (CAD) and obstructive sleep apnea (OSA) carrying the tumor necrosis factor-alpha (TNF-α) A allele had increased circulating TNF-α levels compared with the ones carrying the TNF-α G allele. In the current study, we addressed the effect of TNF-α (-308G/A) gene polymorphism on circulating TNF-α levels following continuous positive airway pressure (CPAP) therapy. METHODS This study was a secondary analysis of the RICCADSA trial (NCT00519597) conducted in Sweden. CAD patients with OSA (apnea-hypopnea index) of ≥15 events/h and an Epworth Sleepiness Scale (ESS) score of <10 were randomized to CPAP or no-CPAP groups, and OSA patients with an ESS score of ≥10 were offered CPAP treatment. Blood samples were obtained at baseline and 12-month follow-up visits. TNF-α was measured by immunoassay (Luminex, R&D Systems). Genotyping of TNF-α-308G/A (single nucleotide polymorphism Rs1800629) was performed by polymerase chain reaction-restriction fragment length polymorphism. RESULTS In all, 239 participants (206 men and 33 women; mean age 64.9 (SD 7.7) years) with polymorphism data and circulating levels of TNF-α at baseline and 1-year follow-up visits were included. The median circulating TNF-α values fell in both groups between baseline and 12 months with no significant within- or between-group differences. In a multivariate linear regression model, a significant change in circulating TNF-α levels from baseline across the genotypes from GA to GA and GA to AA (standardized β-coefficient -0.129, 95% confidence interval (CI) -1.82; -0.12; p = 0.025) was observed in the entire cohort. The association was more pronounced among the individuals who were using the device for at least 4 h/night (n = 86; standardized β-coefficient -2.979 (95% CI -6.11; -1.21); p = 0.004)), whereas no significant association was found among the patients who were non-adherent or randomized to no-CPAP. The participants carrying the TNF-α A allele were less responsive to CPAP treatment regarding the decline in circulating TNF-α despite CPAP adherence (standardized β-coefficient -0.212, (95% CI -5.66; -1.01); p = 0.005). CONCLUSIONS Our results suggest that TNF-α (-308G/A) gene polymorphism is associated with changes in circulating TNF-α levels in response to CPAP treatment in adults with CAD and OSA.
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Affiliation(s)
- Yeliz Celik
- Department of Pulmonary Medicine, Koc University School of Medicine, and Koc University Research Center for Translational Medicine (KUTTAM), Koc University, 34010 Istanbul, Turkey;
| | - Yüksel Peker
- Department of Pulmonary Medicine, Koc University School of Medicine, and Koc University Research Center for Translational Medicine (KUTTAM), Koc University, 34010 Istanbul, Turkey;
- Department of Molecular and Clinical Medicine, Sahlgrenska Academy, University of Gothenburg, 40530 Gothenburg, Sweden
- Department of Clinical Sciences, Respiratory Medicine and Allergology, Faculty of Medicine, Lund University, 22185 Lund, Sweden
- Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
- Division of Sleep and Circadian Disorders, Brigham and Women’s Hospital, and Harvard Medical School, Boston, MA 02115, USA
| | | | - Tilia Thelander
- Division of Biomedicine, School of Heath Sciences, University of Skövde, 54128 Skövde, Sweden; (T.T.); (A.B.)
| | - Afrouz Behboudi
- Division of Biomedicine, School of Heath Sciences, University of Skövde, 54128 Skövde, Sweden; (T.T.); (A.B.)
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Kamdee K, Panadsako N, Mueangson O, Nuinoon M, Janwan P, Poonsawat W, Pongpanitanont P, Kitkumthorn N, Thongsroy J, Chunglok W. Promoter polymorphism of TNF-α (rs1800629) is associated with ischemic stroke susceptibility in a southern Thai population. Biomed Rep 2021; 15:78. [PMID: 34405050 PMCID: PMC8329996 DOI: 10.3892/br.2021.1454] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Accepted: 06/29/2021] [Indexed: 01/19/2023] Open
Abstract
Stroke represents the leading cause of disability and mortality amongst the elderly worldwide. Multiple risk factors, including both genetic and non-genetic components, as well as their interactions, are proposed as etiological factors involved in the development of ischemic stroke (IS). Promoter polymorphisms of the IL-6-174G/C (rs1800795) and TNF-α-308G/A (rs1800629) genes have been considered as predictive risk factors of IS; however, these have not yet been evaluated in a Thai population. The aims of this study were to investigate the association of IL-6-174G/C and TNF-α-308G/A polymorphisms with IS. Genomic DNA from 200 patients with IS and 200 controls were genotyped for IL-6-174G/C and TNF-α-308G/A polymorphisms using TaqMan™ SNP genotyping and quantitative PCR-high resolution melting analysis, respectively. It was found that the TNF-α-308 A allele was significantly associated with an increased risk of IS development compared with the G allele [odds ratio (OR)=2.044; 95% CI=1.154-3.620; P=0.014]. Moreover, the IS risk was significantly higher in the presence of TNF-α-308 GA or AA genotypes compared with that in the presence of GG genotypes with a dominant inheritance (OR=1.971; 95% CI=1.080-3.599; P=0.027). However, there was no association between IL-6-174G/C and the risk of IS development. The interaction study demonstrated that IL-6-174 GG and TNF-α-308 GG genotypes enhanced IS susceptibility when combined with hypertension, hyperlipidemia and alcohol consumption. Hypertensive and hyperlipidemic subjects with the TNF-α-308 GA and AA genotypes were more likely to develop IS compared with those who did not have these two conditions and had the GG genotype. In a matched study design (1:1), the IL-6-174 GC genotype was associated with higher IL-6 levels in the control group. Collectively, the present results highlight the utility of the TNF-α-308G/A polymorphism as a predictive genetic risk factor for development of IS.
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Affiliation(s)
- Kornyok Kamdee
- School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Nitirat Panadsako
- School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Onchuma Mueangson
- School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Manit Nuinoon
- School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Penchom Janwan
- School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Wasinee Poonsawat
- Research Institute for Health Sciences, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | | | - Nakarin Kitkumthorn
- Department of Oral Biology, Faculty of Dentistry, Mahidol University, Bangkok 10400, Thailand
| | - Jirapan Thongsroy
- School of Medicine, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Warangkana Chunglok
- School of Allied Health Sciences, Walailak University, Nakhon Si Thammarat 80160, Thailand.,Food Technology and Innovation Research Center of Excellence, Institute of Research and Innovation, Walailak University, Nakhon Si Thammarat 80160, Thailand
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Li Y, Yang J, Wu X, Sun W. TNF-α polymorphisms might influence predisposition to periodontitis: A meta-analysis. Microb Pathog 2020; 143:104113. [PMID: 32130979 DOI: 10.1016/j.micpath.2020.104113] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 02/24/2020] [Accepted: 02/28/2020] [Indexed: 01/11/2023]
Abstract
BACKGROUND Tumor necrosis factor-α (TNF-α) polymorphisms might influence predisposition to periodontitis, but the results of already published studies were still controversial and ambiguous. So the authors designed this meta-analysis to more precisely estimate relationship between TNF-α polymorphisms and periodontitis by pooling the results of already published related studies. METHODS The authors searched Pubmed, Embase, Web of Science and CNKI for already published studies. Forty-five already published studies were pooled analyzed in this meta-analysis. RESULTS The crude pooled meta-analyses results showed that distributions of TNF-α rs361525, rs1800629, rs1800630 and rs1799964 polymorphisms among patients and controls differed significantly, which suggested that these polymorphisms might influence predisposition to periodontitis in the general population. We also got similar significant results for rs361525, rs1800629, rs1800630 and rs1799964 polymorphisms in subgroup analyses in Asians. The crude findings were further subjected to Bonferroni correction to account for multiple comparisons. For rs361525, rs1800629 and rs1799964 polymorphisms, basically no changes of results were detected. But for rs1800630 polymorphism, the results were no longer significant after adjustment for multiple comparisons. CONCLUSIONS This meta-analysis suggested that TNF-α rs361525, rs1800629 and rs1799964 polymorphisms might influence predisposition to periodontitis, particularly in Asians.
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Affiliation(s)
- Ying Li
- Department of Stomatology, Lishui Central Hospital of Zhejiang Province, Lishui, 323000, Zhejiang, China.
| | - Jie Yang
- Department of Infectious Diseases, Lishui Central Hospital of Zhejiang Province, Lishui, 323000, Zhejiang, China.
| | - Xiaoyan Wu
- Department of Radiotherapy, Lishui Municipal Central Hospital, Lishui, 323000, Zhejiang, China.
| | - Weifeng Sun
- School of Medicine and Health Sciences, Lishui University, Lishui, 323000, Zhejiang, China.
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Wang L, Zhou H. A Meta-Analysis of the Relationship between Tumor Necrosis Factor-α Polymorphisms and Psoriasis. Dermatology 2019; 237:39-45. [PMID: 31775137 DOI: 10.1159/000502255] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Accepted: 07/20/2019] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Some previous studies already explored associations between tumor necrosis factor-α (TNF-α) polymorphisms and psoriasis, with conflicting findings. Here, we aimed to better analyze the relationship between TNF-α polymorphisms and psoriasis in a larger pooled population by performing a meta-analysis. METHODS We searched Pubmed, Embase, Web of Science and CNKI for related articles. We calculated OR and 95% CI to estimate whether there are genetic associations between TNF-α polymorphisms and psoriasis. RESULTS Twenty-nine studies were included for this meta-analysis. TNF-α-238 G/A (dominant comparison: OR 0.44, 95% CI 0.34-0.59; recessive comparison: OR 1.63, 95% CI 1.03-2.57; overdominant comparison: OR 2.21, 95% CI 1.71-2.85; allele comparison: OR 0.48, 95% CI 0.36-0.62) and -857 C/T (dominant comparison: OR 0.58, 95% CI 0.41-0.80; overdominant comparison: OR 1.58, 95% CI 1.12-2.23; allele comparison: OR 0.62, 95% CI 0. 0.47-0.82) polymorphisms were found to be significantly associated with psoriasis in the general population. Subgroup analyses indicated that the -238 G/A polymorphism was significantly associated with psoriasis in Caucasians and East Asians, the -308 G/A polymorphism was significantly associated with psoriasis in East Asians, and the -857 C/T polymorphism was significantly associated with psoriasis in Caucasians. CONCLUSIONS TNF-α -238 G/A, -308 G/A and -857 C/T polymorphisms could be used to identity individuals with elevated susceptibility to psoriasis in certain populations.
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Affiliation(s)
- Lijuan Wang
- Department of Rheumatology and Immunology, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, China
| | - Hongying Zhou
- Department of Rheumatology and Immunology, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, China,
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Gene polymorphisms and circulating levels of the TNF-alpha are associated with ischemic stroke: A meta-analysis based on 19,873 individuals. Int Immunopharmacol 2019; 75:105827. [DOI: 10.1016/j.intimp.2019.105827] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 08/12/2019] [Accepted: 08/12/2019] [Indexed: 12/13/2022]
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Kang SW, Kim SK, Han YR, Hong D, Chon J, Chung JH, Hong SJ, Park MS, Ban JY. Promoter Polymorphism (-308G/A) of Tumor Necrosis Factor-Alpha ( TNF-α) Gene and Asthma Risk: An Updated Meta-Analysis. Genet Test Mol Biomarkers 2019; 23:363-372. [PMID: 31161819 DOI: 10.1089/gtmb.2018.0238] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Background and Aims: The relationship between the promoter polymorphism (-308G/A) of the tumor necrosis factor-alpha (TNF-α) gene and the susceptibility to asthma has been tested in several studies. However, the results have been inconsistent. Therefore, we performed an updated meta-analysis to evaluate the relationship between this promoter polymorphism of the TNF-α gene and the risk of asthma. Methods: Fifty case-control studies were included in this meta-analysis which provided 17,937 controls and 9961 asthma patients. The pooled p-value, odds ratio (OR), and 95% confidence interval (95% CI) were used to investigate the strength of the association of this polymorphism of the TNF-α gene with the risk of asthma. The meta-analysis was carried out by Comprehensive Meta-Analysis software. Results: The results of our meta-analysis revealed that the TNF-α polymorphism (-308, G/A) was strongly associated with the risk of asthma (p < 0.05 in the allelic, dominant, and recessive models, respectively). In further analyses, based on age group and ethnicity, we observed this association for all subpopulations examined (p < 0.05 in allelic, dominant, and recessive models, respectively). Conclusion: This large-scale meta-analysis supports a strong association between the TNF-α gene promoter polymorphism (-308G/A) and the development to asthma in both children and adults.
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Affiliation(s)
- Sang Wook Kang
- 1 Department of Dental Pharmacology, School of Dentistry, Dankook University, Cheonan, Republic of Korea
| | - Su Kang Kim
- 2 Department of Biomedical Laboratory Science, Catholic Kwandong University, Gangneung, Republic of Korea
| | - Young Rok Han
- 3 Department of Physical Medicine and Rehabilitation, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - DongWhan Hong
- 3 Department of Physical Medicine and Rehabilitation, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Jinmann Chon
- 3 Department of Physical Medicine and Rehabilitation, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Joo-Ho Chung
- 4 Kohwang Medical Research Institute, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Seoung-Jin Hong
- 5 Department of Prosthodontics, Kyung Hee University Dental Hospital, Seoul, Republic of Korea
| | - Min-Su Park
- 6 Department of Surgery, School of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Ju Yeon Ban
- 1 Department of Dental Pharmacology, School of Dentistry, Dankook University, Cheonan, Republic of Korea
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Serum profile of cytokines and their genetic variants in metabolic syndrome and healthy subjects: a comparative study. Biosci Rep 2019; 39:BSR20181202. [PMID: 30635365 PMCID: PMC6356053 DOI: 10.1042/bsr20181202] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 11/19/2018] [Accepted: 01/01/2019] [Indexed: 12/18/2022] Open
Abstract
AIM To identify genetic variants in promoter areas of IL-6 -174 G>C and TNF-α -308 G>A in metabolic syndrome (Met S) and controls and associate them with Met S and serum cytokine levels.It was a cross-sectional study, including 224 cases of Met S and 200 controls. A fasting blood sample was taken and biochemical parameters including serum glucose, insulin, lipid profile, interleukin-6 (IL-6) and tumor necrosis factor α (TNF-α) were measured. Restriction fragment length polymorphism was used to identify the genetic variants of IL-6 and TNF-α. Serum levels of IL-6 and TNF-α and insulin resistance were significantly higher in cases than the controls. IL-6 showed significant positive correlation with HOMA-IR and TNF-α. CC genotype of IL-6 was associated with the increased risk of Met S (P=0.016, OR for CC vs GC+GG = 2.33, CI: 1.15-4.71). There was no significant difference of TNF-α genotypes between the cases and the controls. Serum TNF-α and IL-6 levels were significantly higher in AA and CC genotypes of TNF-α (-308 G>A) and IL-6 (-174 G>C) as compared with the GG (P=0.00 and P=0.001). Significant correlation of IL-6 with TNF-α and insulin resistance was observed that may provide us a therapeutic target for preventing metabolic derangements from insulin resistance.
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