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Zhang Z, Duolikun D, Dang T, Wang Y, Ma L, Ma X, Yao Q. Association of tumor necrosis factor-α-308G/A polymorphism with the risk of obstructive sleep apnea: A meta-analysis of 14 case-control studies. PLoS One 2023; 18:e0290239. [PMID: 37595008 PMCID: PMC10437904 DOI: 10.1371/journal.pone.0290239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Accepted: 08/04/2023] [Indexed: 08/20/2023] Open
Abstract
Although numerous studies have suggested the association between TNF-α-308G/A polymorphism and susceptibility to obstructive sleep apnea (OSA), the results remained controversial and ambiguous. We performed the present meta-analysis to derive a more precise estimation.The PubMed, Embase, Cochrane library, Web of Science, China National Knowledge Infrastructure, Wanfang databases, and Weipu databases (until January 8, 2022) were accessed to retrieve relevant articles. Pooled odds ratios (ORs) with 95% confidence interval (95% CI) were calculated using the STATA statistical software.Totally, fourteen studies involving 2595 cases and 2579 controls were enrolled in this meta-analysis. Pooled results demonstrated significant association between TNF-α-308G/A polymorphism and OSA risk for the overall population(allele model:OR = 1.87 [1.47, 2.38] (n = 14), dominant model: OR = 1.88[1.48, 2.39] (n = 14), recessive model:OR = 2.83 [2.00, 4.00] (n = 11), homozygous model:OR = 3.30 [2.32, 4.68] (n = 11), and heterozygous model:OR = 1.67 [1.36, 2.06] (n = 14); P<0.001, respectively).Subgroup analysis showed that in both Caucasians and Asians, the A allele conferred increased risk to OSA compared to the G allele (Caucasians: OR = 1.40[1.03, 1.90] (n = 5), P = 0.033, Asians: OR = 2.30 [1.62, 3.26] (n = 9), P< 0.001). In subgroup analysis restricted to hospital-based individuals, significant association between TNF-α-308G/A polymorphism and OSA risk was identified under each genetic model. Whereas, in population-based individuals, increased risk of OSA were only found in homozygous model (OR = 2.19[1.23, 3.90] (n = 3), P = 0.008) and recessive model (OR = 1.77 [1.00, 3.13] (n = 3), P = 0.048). There was a substantial between-study heterogeneity (I2 = 69.10%) across studies which was explained by source of control participants (P = 0.036) by meta-regression. The results of leave-one-out meta-analysis and publication bias suggested the reliability and stability of our results.This meta-analysis suggested that TNF-α-308A allele may be a risk factor for the development of OSA. However, large scale,multi-center and well-designed case-control studies are needed in the future.
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Affiliation(s)
- Zhenlian Zhang
- Department of Physiology, School of Basic Medical Sciences, Xinjiang Medical University, Urumqi, Xinjiang, China
- Xinjiang Key Laboratory of Molecular Biology for Endemic Diseases, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Dilihumaier Duolikun
- Department of Physiology, School of Basic Medical Sciences, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Tingting Dang
- Third Clinical Medical College, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Yuanyuan Wang
- Third Clinical Medical College, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Lijuan Ma
- Department of Physiology, School of Basic Medical Sciences, Xinjiang Medical University, Urumqi, Xinjiang, China
- Xinjiang Key Laboratory of Molecular Biology for Endemic Diseases, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Xueyun Ma
- Department of Physiology, School of Basic Medical Sciences, Xinjiang Medical University, Urumqi, Xinjiang, China
- Xinjiang Key Laboratory of Molecular Biology for Endemic Diseases, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Qiaoling Yao
- Department of Physiology, School of Basic Medical Sciences, Xinjiang Medical University, Urumqi, Xinjiang, China
- Xinjiang Key Laboratory of Molecular Biology for Endemic Diseases, Xinjiang Medical University, Urumqi, Xinjiang, China
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Campos AI, Ingold N, Huang Y, Mitchell BL, Kho PF, Han X, García-Marín LM, Ong JS, Law MH, Yokoyama JS, Martin NG, Dong X, Cuellar-Partida G, MacGregor S, Aslibekyan S, Rentería ME. Discovery of genomic loci associated with sleep apnea risk through multi-trait GWAS analysis with snoring. Sleep 2023; 46:6918774. [PMID: 36525587 PMCID: PMC9995783 DOI: 10.1093/sleep/zsac308] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 11/11/2022] [Indexed: 12/23/2022] Open
Abstract
STUDY OBJECTIVES Despite its association with severe health conditions, the etiology of sleep apnea (SA) remains understudied. This study sought to identify genetic variants robustly associated with SA risk. METHODS We performed a genome-wide association study (GWAS) meta-analysis of SA across five cohorts (NTotal = 523 366), followed by a multi-trait analysis of GWAS (multi-trait analysis of genome-wide association summary statistics [MTAG]) to boost power, leveraging the high genetic correlation between SA and snoring. We then adjusted our results for the genetic effects of body mass index (BMI) using multi-trait-based conditional and joint analysis (mtCOJO) and sought replication of lead hits in a large cohort of participants from 23andMe, Inc (NTotal = 1 477 352; Ncases = 175 522). We also explored genetic correlations with other complex traits and performed a phenome-wide screen for causally associated phenotypes using the latent causal variable method. RESULTS Our SA meta-analysis identified five independent variants with evidence of association beyond genome-wide significance. After adjustment for BMI, only one genome-wide significant variant was identified. MTAG analyses uncovered 49 significant independent loci associated with SA risk. Twenty-nine variants were replicated in the 23andMe GWAS adjusting for BMI. We observed genetic correlations with several complex traits, including multisite chronic pain, diabetes, eye disorders, high blood pressure, osteoarthritis, chronic obstructive pulmonary disease, and BMI-associated conditions. CONCLUSION Our study uncovered multiple genetic loci associated with SA risk, thus increasing our understanding of the etiology of this condition and its relationship with other complex traits.
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Affiliation(s)
- Adrian I Campos
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia.,School of Biomedical Sciences, Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia.,Institute for Molecular Bioscience, University of Queensland, Brisbane, QLD, Australia
| | - Nathan Ingold
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia.,School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia
| | | | - Brittany L Mitchell
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia.,School of Biomedical Sciences, Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia
| | - Pik-Fang Kho
- Division of Cardiovascular Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Xikun Han
- Program in Genetic Epidemiology and Statistical Genetics, Harvard University T.H. Chan School of Public Health, Boston, MA, USA
| | - Luis M García-Marín
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia.,School of Biomedical Sciences, Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia
| | - Jue-Sheng Ong
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | | | - Matthew H Law
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia.,School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia
| | - Jennifer S Yokoyama
- Memory and Aging Center, University of California, San Francisco, San Francisco, CA, USA.,Weill Institute of Neurosciences, Department of Neurology, University of California, San Francisco, San Francisco, CA, USA
| | | | - Xianjun Dong
- Genomics and Bioinformatics Hub, Brigham and Women's Hospital, Boston, MA, USA.,Department of Neurology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | | | - Stuart MacGregor
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | | | - Miguel E Rentería
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia.,School of Biomedical Sciences, Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia.,School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia
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Hirani R, Smiley A. A Scoping Review of Sleep Apnea: Where Do We Stand? Life (Basel) 2023; 13:life13020387. [PMID: 36836743 PMCID: PMC9961756 DOI: 10.3390/life13020387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 01/11/2023] [Accepted: 01/28/2023] [Indexed: 02/01/2023] Open
Abstract
Obstructive sleep apnea (OSA), a condition in which there is a recurrent collapse of the upper airway while sleeping, is a widespread disease affecting 5% to 10% people worldwide. Despite several advances in the treatment modalities for OSA, morbidity and mortality remain a concern. Common symptoms include loud snoring, gasping for air during sleep, morning headache, insomnia, hypersomnia, attention deficits, and irritability. Obese individuals, male gender, older age (65+), family history, smoking, and alcohol consumption are well recognized risk factors of OSA. This condition holds the ability to increase inflammatory cytokines, cause metabolic dysfunction, and increase the sympathetic output, all of which exacerbate OSA due to their effect on the cardiovascular system. In this review, we discuss its brief history, risk factors, complications, treatment modalities, and the role of clinicians in curbing its risk.
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Affiliation(s)
- Rahim Hirani
- School of Medicine, New York Medical College, Valhalla, NY 10595, USA
- Department of Surgery, Westchester Medical Center, New York, NY 10595, USA
| | - Abbas Smiley
- School of Medicine, New York Medical College, Valhalla, NY 10595, USA
- Department of Surgery, Westchester Medical Center, New York, NY 10595, USA
- Correspondence:
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Li J, Lv Q, Sun H, Yang Y, Jiao X, Yang S, Yu H, Qin Y. Combined Association Between ADIPOQ, PPARG, and TNF Genes Variants and Obstructive Sleep Apnea in Chinese Han Population. Nat Sci Sleep 2022; 14:363-372. [PMID: 35264890 PMCID: PMC8901229 DOI: 10.2147/nss.s343205] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 02/09/2022] [Indexed: 11/23/2022] Open
Abstract
PURPOSE Obstructive sleep apnea (OSA) is a common chronic polygenic disease. Multiple genetic markers associated with OSA have been identified by genome-wide association studies. Here, we aimed to construct a polygenic risk score (PRS) and examine the association with the presence of OSA in a Chinese Han Population. PATIENTS AND METHODS This study included 1057 individuals who were genotyped for nine susceptibility loci from three genes (ADIPOQ, PPARG, and TNF), from which each individual's PRS was calculated by summing the number of risk alleles. The associations between PRS and OSA were determined by logistic regression analyses. Model discrimination was assessed by a receiver operating characteristic (ROC) curve using bootstrapping with 1000 resamples. RESULTS The subjects included 874 with OSA and 183 controls. A higher PRS was associated with an increased apnea-hypopnea index (AHI). The PRS was an important risk factor for the development of OSA (OR = 1.237 per SD, P = 0.030). Subjects with higher PRS had a 2.88-fold (95% CI: 1.393-5.955, P = 0.004) and 5.402-fold (95% CI: 2.311-12.624, P<0.001) greater risk for having OSA and moderate-to-severe OSA, respectively, compared with those with lower genetic risk. More importantly, compared with determination of risk based solely on clinical factors, addition of the PRS increased discriminatory accuracy for both OSA (AUC from 0.75 to 0.78, P = 0.02) and moderate-to-severe OSA (AUC from 0.80 to 0.83, P = 0.02). CONCLUSION Our study suggests that the PRS is independently associated with AHI and OSA. Combining PRS with conventional risk factors could improve the discrimination of OSA.
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Affiliation(s)
- Juan Li
- Key Laboratory of Upper Airway Dysfunction-Related Cardiovascular Diseases, Beijing An Zhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung, and Blood Vessel Diseases, Beijing, 100029, People's Republic of China.,Emergency Department, Beijing Shijitan Hospital, Capital Medical University, Beijing, 100038, People's Republic of China
| | - Qianwen Lv
- Key Laboratory of Upper Airway Dysfunction-Related Cardiovascular Diseases, Beijing An Zhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung, and Blood Vessel Diseases, Beijing, 100029, People's Republic of China
| | - Haili Sun
- Key Laboratory of Upper Airway Dysfunction-Related Cardiovascular Diseases, Beijing An Zhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung, and Blood Vessel Diseases, Beijing, 100029, People's Republic of China
| | - Yunyun Yang
- Key Laboratory of Upper Airway Dysfunction-Related Cardiovascular Diseases, Beijing An Zhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung, and Blood Vessel Diseases, Beijing, 100029, People's Republic of China.,Key Laboratory of Remodeling-related Cardiovascular Diseases, Beijing An Zhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing, 100029, People's Republic of China
| | - Xiaolu Jiao
- Key Laboratory of Upper Airway Dysfunction-Related Cardiovascular Diseases, Beijing An Zhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung, and Blood Vessel Diseases, Beijing, 100029, People's Republic of China.,Key Laboratory of Remodeling-related Cardiovascular Diseases, Beijing An Zhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing, 100029, People's Republic of China
| | - Song Yang
- Key Laboratory of Upper Airway Dysfunction-Related Cardiovascular Diseases, Beijing An Zhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung, and Blood Vessel Diseases, Beijing, 100029, People's Republic of China
| | - Huahui Yu
- Key Laboratory of Upper Airway Dysfunction-Related Cardiovascular Diseases, Beijing An Zhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung, and Blood Vessel Diseases, Beijing, 100029, People's Republic of China.,Key Laboratory of Remodeling-related Cardiovascular Diseases, Beijing An Zhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing, 100029, People's Republic of China
| | - Yanwen Qin
- Key Laboratory of Upper Airway Dysfunction-Related Cardiovascular Diseases, Beijing An Zhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung, and Blood Vessel Diseases, Beijing, 100029, People's Republic of China.,Key Laboratory of Remodeling-related Cardiovascular Diseases, Beijing An Zhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing, 100029, People's Republic of China
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Yi M, Tan Y, Pi Y, Zhou Y, Fei Q, Zhao W, Zhang Y. Variants of candidate genes associated with the risk of obstructive sleep apnea. Eur J Clin Invest 2022; 52:e13673. [PMID: 34435353 DOI: 10.1111/eci.13673] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 08/16/2021] [Accepted: 08/24/2021] [Indexed: 12/22/2022]
Abstract
BACKGROUND The researches on the associations between different candidate genes and obstructive sleep apnea (OSA) are inconsistent. Here, we performed a comprehensive qualitative and quantitative analysis to estimate the contribution of variants from candidate genes to the risk of OSA. METHODS Qualitative analysis was conducted to find the relationships for all included genes. Then, quantitative analysis of both allele models and genotype models was applied to evaluate the risk variants for OSA. Furthermore, a similar analysis was performed in different ethnic groups. RESULTS We included 152 publications containing 75 genes for qualitative analysis. Among them, we included 93 articles containing 28 variants from 16 genes for quantitative analysis. Through allele models, we found 10 risk variants for OSA (rs1801133 of MTHFR, ɛ4 of ApoE, -1438G/A of 5-HT2A, -308G/A of TNF-α, Pro1019Pro of LEPR, rs1130864 and rs2794521 of CRP, D/I of ACE, LPR and VNTR of 5-HTT) with the ORs of 1.21-2.07 in global population. We found that the variant of ɛ2 of ApoE could uniquely decrease the risk of OSA in the East Asian subgroup, while the other 6 variants, including ɛ4 in ApoE, -308G/A in TNF-α, Pro1019Pro in LEPR, D/I in ACE, LPR and VNTR in 5-HTT, could increase the risk of OSA. As for the European subpopulation, we only found that -308G/A in TNF-α could increase the risk for OSA. CONCLUSIONS Eleven variants from the candidate genes are associated with the risk of OSA, which also show ethnicity differences in East Asian and European subgroups.
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Affiliation(s)
- Minhan Yi
- Department of Respiratory Medicine, Xiangya Hospital, Central South University, Changsha, China.,School of Life Sciences, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Yun Tan
- Department of Respiratory Medicine, Xiangya Hospital, Central South University, Changsha, China.,School of Life Sciences, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Yuze Pi
- School of Life Sciences, Central South University, Changsha, China
| | - Yicen Zhou
- School of Life Sciences, Central South University, Changsha, China
| | - Quanming Fei
- Xiangya Medical School, Central South University, Changsha, China
| | - Wangcheng Zhao
- Xiangya Medical School, Central South University, Changsha, China
| | - Yuan Zhang
- Department of Respiratory Medicine, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
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Mohit, Shrivastava A, Chand P. Molecular determinants of obstructive sleep apnea. Sleep Med 2021; 80:105-112. [PMID: 33592435 DOI: 10.1016/j.sleep.2021.01.032] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 12/19/2020] [Accepted: 01/24/2021] [Indexed: 12/13/2022]
Abstract
Obstructive sleep apnea (OSA) is characterized as recurrent episodes of obstruction in the upper airway during the period of sleep. The condition occurs in approximately 11% and 4% of middle-aged men and middle-aged women, respectively. Polysomnography is a diagnostic procedure that involves the constant observation of oxygen saturation and unsaturation during sleep. Usually, positive airway pressure is considered a benchmark treatment for OSA. This review summarizes the recent developments and emerging evidence from molecular biology-based research studies that show that genetic factors have an influence on OSA. The genetic aspects of OSA that have been identified include heritability and other phenotypic co-factors such as anatomical morphology. It also draws attention to the results of a polymorphic-based study that was conducted to determine the causative single nucleotide mutations associated with obesity and adverse cardiovascular risk in OSA. However, the role of such mutations and their linkage to OSA can not yet be established. Nonetheless, a large body of evidence supports a strong association between inflammatory cytokine polymorphism and obesity in the development of OSA. There are also probable intermediate factors with several gene-gene interactions. Therefore, advanced applications and modern techniques should be applied to facilitate new findings and to minimize the risk of developing OSA.
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Affiliation(s)
- Mohit
- Department of Prosthodontics, King George's Medical University, Lucknow, Uttar Pradesh, 226003, India
| | - Ashutosh Shrivastava
- Center for Advance Research, Faculty of Medicine, King George's Medical University, Lucknow, Uttar Pradesh, 226003, India
| | - Pooran Chand
- Department of Prosthodontics, King George's Medical University, Lucknow, Uttar Pradesh, 226003, India.
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Shi Y, Luo H, Liu H, Hou J, Feng Y, Chen J, Xing L, Ren X. Related biomarkers of neurocognitive impairment in children with obstructive sleep apnea. Int J Pediatr Otorhinolaryngol 2019; 116:38-42. [PMID: 30554705 DOI: 10.1016/j.ijporl.2018.10.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 10/09/2018] [Accepted: 10/10/2018] [Indexed: 02/07/2023]
Abstract
OBJECTIVES Different experiment approaches have demonstrated that children with obstructive sleep apnea (OSA) exhibit neurocognitive and behavioral deficits. This review summarized the potential biomarkers of OSA-associated neurocognitive impairment in children. METHODS A scoping review of studies on children with OSA that evaluated the potential value of different markers in identifying neurocognitive impairment was undertaken. Additionally, the biomarkers were categorized according to the different research methods, including brain imaging studies, serological indicators and urine markers. RESULTS Majority of the studies that evaluated blood biomarkers, plasma insulin growth factor-1 (IGF-1) and Alzheimer's disease (AD)-related biomarkers appeared to exhibit a favorable profile, and could discriminate between OSA children with or without neurocognitive impairments. Brain imaging studies and urinary neurotransmitters could also be helpful for screening OSA cognitive morbidity in children. CONCLUSION Due to limited research methods available in children, the cognitive susceptibility of children with OSA has been rarely studied. The main reason for this may be the limited research methods in children. Numerous study populations of children and complex psychological tests are required, which involve major labor and costs.Multi-center prospective studies are needed to identify suitable biomarkers for the timely prediction and effective intervention to prevent neurocognitive impairment in children with OSA and to explore further opportunities in this arena.
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Affiliation(s)
- Yewen Shi
- Department of Otorhinolaryngology, The Second Affiliated Hospital of Xi'an Jiaotong University, No.157, Xiwu Road, Xi'an, 710004, Shaanxi, China
| | - Huanan Luo
- Department of Otorhinolaryngology, The Second Affiliated Hospital of Xi'an Jiaotong University, No.157, Xiwu Road, Xi'an, 710004, Shaanxi, China
| | - Haiqin Liu
- Department of Otorhinolaryngology, The Second Affiliated Hospital of Xi'an Jiaotong University, No.157, Xiwu Road, Xi'an, 710004, Shaanxi, China
| | - Jin Hou
- Department of Otorhinolaryngology, The Second Affiliated Hospital of Xi'an Jiaotong University, No.157, Xiwu Road, Xi'an, 710004, Shaanxi, China
| | - Yani Feng
- Department of Otorhinolaryngology, The Second Affiliated Hospital of Xi'an Jiaotong University, No.157, Xiwu Road, Xi'an, 710004, Shaanxi, China
| | - Jinwei Chen
- Department of Otorhinolaryngology, The Second Affiliated Hospital of Xi'an Jiaotong University, No.157, Xiwu Road, Xi'an, 710004, Shaanxi, China
| | - Liang Xing
- Department of Otorhinolaryngology, The Second Affiliated Hospital of Xi'an Jiaotong University, No.157, Xiwu Road, Xi'an, 710004, Shaanxi, China
| | - Xiaoyong Ren
- Department of Otorhinolaryngology, The Second Affiliated Hospital of Xi'an Jiaotong University, No.157, Xiwu Road, Xi'an, 710004, Shaanxi, China.
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Mukherjee S, Saxena R, Palmer LJ. The genetics of obstructive sleep apnoea. Respirology 2018; 23:18-27. [PMID: 29113020 PMCID: PMC7308164 DOI: 10.1111/resp.13212] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2017] [Revised: 09/11/2017] [Accepted: 09/29/2017] [Indexed: 12/19/2022]
Abstract
Obstructive sleep apnoea (OSA) is a common chronic disease and is associated with high social and economic costs. OSA is heritable, and there is evidence of both direct genetic contributions to OSA susceptibility and indirect contributions via 'intermediate' phenotypes such as obesity, craniofacial structure, neurological control of upper airway muscles and of sleep and circadian rhythm. Investigation of the genetics of OSA is an important research area and may lead to improved understanding of disease aetiology, pathogenesis, adverse health consequences and new preventive strategies and treatments. Genetic studies of OSA have lagged behind other chronic diseases; however recent gene discovery efforts have been successful in finding genetic loci contributing to OSA-associated intermediate phenotypes. Nevertheless, many of the seminal questions relating to the genetic epidemiology of OSA and associated factors remain unanswered. This paper reviews the current state of knowledge of the genetics of OSA, with a focus on genomic approaches to understanding sleep apnoea.
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Affiliation(s)
- Sutapa Mukherjee
- Sleep Health Service, Respiratory and Sleep Services, Southern Adelaide Local Health Network, Adelaide, South Australia, Australia
- Adelaide Institute for Sleep Health, Flinders University, Adelaide, South Australia, Australia
| | - Richa Saxena
- Center for Genomic Medicine and Department of Anesthesia, Pain, and Critical Care Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
- Medical and Population Genetics, Broad Institute, Cambridge, Massachusetts, USA
| | - Lyle J Palmer
- School of Public Health, University of Adelaide, North Terrace, Adelaide, South Australia, Australia
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Tumor necrosis factor alpha in sleep regulation. Sleep Med Rev 2017; 40:69-78. [PMID: 29153862 DOI: 10.1016/j.smrv.2017.10.005] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 10/16/2017] [Accepted: 10/18/2017] [Indexed: 12/14/2022]
Abstract
This review details tumor necrosis factor alpha (TNF) biology and its role in sleep, and describes how TNF medications influence sleep/wake activity. Substantial evidence from healthy young animals indicates acute enhancement or inhibition of endogenous brain TNF respectively promotes and inhibits sleep. In contrast, the role of TNF in sleep in most human studies involves pathological conditions associated with chronic elevations of systemic TNF and disrupted sleep. Normalization of TNF levels in such patients improves sleep. A few studies involving normal healthy humans and their TNF levels and sleep are consistent with the animal studies but are necessarily more limited in scope. TNF can act on established sleep regulatory circuits to promote sleep and on the cortex within small networks, such as cortical columns, to induce sleep-like states. TNF affects multiple synaptic functions, e.g., its role in synaptic scaling is firmly established. The TNF-plasticity actions, like its role in sleep, can be local network events suggesting that sleep and plasticity share biochemical regulatory mechanisms and thus may be inseparable from each other. We conclude that TNF is involved in sleep regulation acting within an extensive tightly orchestrated biochemical network to niche-adapt sleep in health and disease.
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Jiang YQ, Xue JS, Xu J, Zhou ZX, Ji YL. Efficacy of continuous positive airway pressure treatment in treating obstructive sleep apnea hypopnea syndrome associated with carotid arteriosclerosis. Exp Ther Med 2017; 14:6176-6182. [PMID: 29285176 DOI: 10.3892/etm.2017.5308] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2016] [Accepted: 05/15/2017] [Indexed: 11/05/2022] Open
Abstract
Sleep apnea negatively impacts patients' ability to oxygenate the bloodstream during sleep and has far-reaching, deleterious effects. The present study sought to assess the correlation between obstructive sleep apnea hypopnea syndrome (OSAHS), carotid atherosclerosis, and blood pressure variability (BPV), and to evaluate the therapeutic effects of continuous positive airway pressure (CPAP). Patients with OSAHS were classified as mild, moderate, or severe according to their condition and compared with healthy control participants. CPAP treatment was used to treat patients with OSAHS for 6 months. Prior to CPAP treatment, the apnea-hypopnea index (AHI), lowest blood oxygen saturation (LSaO2), carotid intima media thickness (IMT), and plasma levels of endothelin-1 (ET-1), nitric oxide (NO), and tumor necrosis factor-α (TNF-α) were measured in all participants, along with the low frequency components of BPV (BPV LF). The results demonstrated that carotid IMT, AHI, plasma ET-1, and plasma TNF-α were significantly higher in patients with OSAHS than those in the control group (P<0.05); whereas LSaO2 and plasma NO levels were significantly higher in the control group (P<0.05). The degree to which these indices differed was associated with the severity of OSAHS. Furthermore, the carotid IMT of patients with OSAHS was significantly correlated with AHI (P=0.037), plasma ET-1 (P=0.001), plasma NO (P<0.001), BPV LF before retiring (P<0.001). Following CPAP treatment, the observation indices of patients with moderate or severe OSAHS improved significantly (P<0.01). These results support the use of CPAP to improve the significant vascular endothelial dysfunction, increased inflammatory response, and high blood pressure variability correlated with carotid atherosclerosis observed in patients with OSAHS.
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Affiliation(s)
- Yong-Qian Jiang
- Department of Respiratory Medicine, The First People's Hospital of Yancheng, Yancheng, Jiangsu 224006, P.R. China
| | - Jin-Shan Xue
- Department of Respiratory Medicine, The First People's Hospital of Yancheng, Yancheng, Jiangsu 224006, P.R. China
| | - Juan Xu
- Department of Respiratory Medicine, The First People's Hospital of Yancheng, Yancheng, Jiangsu 224006, P.R. China
| | - Zhi-Xiang Zhou
- Department of Respiratory Medicine, The First People's Hospital of Yancheng, Yancheng, Jiangsu 224006, P.R. China
| | - You-Lin Ji
- Department of Respiratory Medicine, The First People's Hospital of Yancheng, Yancheng, Jiangsu 224006, P.R. China
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Sun J, Hu J, Tu C, Zhong A, Xu H. Obstructive Sleep Apnea Susceptibility Genes in Chinese Population: A Field Synopsis and Meta-Analysis of Genetic Association Studies. PLoS One 2015; 10:e0135942. [PMID: 26284518 PMCID: PMC4540430 DOI: 10.1371/journal.pone.0135942] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2015] [Accepted: 07/28/2015] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Epidemiological studies to date have evaluated the association between genetic variants and the susceptibility to obstructive sleep apnea (OSA). However, the results of these studies have been inconclusive. In this current study we performed meta-analysis of genetic association studies (GAS) to pool OSA-susceptible genes in Chinese population, to perform a more precise evaluation of the association. METHODS Various databases (i.e., PubMed, EMBASE, HuGE Navigator, Wanfang and CNKI) were searched to identify all eligible GAS-related variants associated with susceptibility to OSA. The generalized odds ratio metric (ORG) and the odds ratio (OR) of the allele contrast were used to quantify the impact of genetic variants on the risk of OSA. Cumulative and recursive cumulative meta-analyses (CMA) were also performed to investigate the trend and stability of effect sizes as evidence was accumulated. RESULTS Thirty-two GAS evaluating 13 polymorphisms in 10 genes were included in our meta-analysis. Significant associations were derived for four polymorphisms either for the allele contrast or for the ORG. The variants TNF-α-308G/A, 5-HTTLPR, 5-HTTVNTR, and APOE showed marginal significance for ORG (95% confidence interval [CI]): 2.01(1.31-3.07); 1.31(1.09-1.58); 1.85(1.16-2.95); 1.79(1.10-2.92); and 1.79(1.10-2.92) respectively. In addition, the TNF-α-308G/A, 5-HTTLPR, and 5-HTTVNTR variants showed significance for the allele contrast: 2.15(1.39-3.31); 2.26(1.58-3.24); 1.32(1.12-1.55); and 1.86(1.12-3.08) respectively. CMA showed a trend towards an association, and recursive CMA indicated that more evidence was needed to determine whether this was significant. CONCLUSIONS TNF-α, 5-HTT, and APOE genes can all be proposed as OSA-susceptibility genes in Chinese population. Genome-wide association studies (GWAS) are therefore urgently needed to confirm our findings within a larger sample of OSA patients in China.
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Affiliation(s)
- Jinxian Sun
- Department of Respiratory Medicine, Jiading Central Hospital, 1 Chengbei road, Shanghai, 201800, China
| | - Jianrong Hu
- Department of Respiratory Medicine, Jiading Central Hospital, 1 Chengbei road, Shanghai, 201800, China
| | - Chunlin Tu
- Department of Respiratory Medicine, Jiading Central Hospital, 1 Chengbei road, Shanghai, 201800, China
- * E-mail: (CT); (AZ); (HX)
| | - Anyuan Zhong
- Department of Respiratory Diseases, the Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, 215004 China
- * E-mail: (CT); (AZ); (HX)
| | - Huajun Xu
- Department of Otolaryngology, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Otolaryngology Institute of Shanghai Jiao Tong University, 600 Yishan Road, Shanghai, 200233, China
- * E-mail: (CT); (AZ); (HX)
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12
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Lan F, Cao C, Liu J, Li W. Obstructive sleep apnea syndrome susceptible genes in the Chinese population: a meta-analysis of 21 case-control studies. Sleep Breath 2015; 19:1441-8. [PMID: 25917830 DOI: 10.1007/s11325-015-1176-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2015] [Revised: 03/10/2015] [Accepted: 03/31/2015] [Indexed: 12/24/2022]
Abstract
BACKGROUND Numbers of single nucleotide polymorphisms (SNPs) were identified as risk factors for obstructive sleep apnea syndrome (OSAS) in the Chinese population; however, published articles drew incompatible or even contradictory results. OBJECTIVE The aim of this study was to investigate the susceptible SNPs and risk of OSAS in the Chinese population. METHODS We conducted a meta-analysis of seven polymorphisms and risk of OSAS based on 21 case-control studies. RESULTS The results of our study showed that tumor necrosis factor-α (TNF-α) -308 G/A (OR = 3.70, 95 % CI = 1.39-9.83), gene-linked polymorphic region (LPR) (OR = 0.57, 95 % CI = 0.41-0.79), and variable number tandem repeat (VNTR) of the 5-hydroxytryptamine transporter gene (5-HTT) (OR = 3.44, 95 % CI = 1.49-7.95) polymorphisms were associated with OSAS risk in the Chinese population, while there was no significant association between 5-hydroxytryptamine 2A receptor (5-HTR2A) 102C/T, 5-HTR2A A1438G, angiotensin-converting enzyme (ACE) insertion (I)/deletion (D), or leptin receptor (LEPR)-Gln 223Arg polymorphism and risk of OSAS in the Chinese population. CONCLUSIONS Our study demonstrated that TNF-α 308 G/A, 5-HTT LPR, and 5-HTT-VNTR polymorphisms were associated with OSAS risk, whereas little association was observed between 5-HTR2A 102C/T, 5-HTR2A A1438G, ACE I/D, or LEPR-Gln 223Arg polymorphism and risk of OSAS in the Chinese population.
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Affiliation(s)
- Fen Lan
- Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital, College of Medicine and Institute of Respiratory Diseases, Zhejiang University, Hangzhou, 310009, China
| | - Chao Cao
- Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital, College of Medicine and Institute of Respiratory Diseases, Zhejiang University, Hangzhou, 310009, China.,Department of Respiratory Medicine, Affiliated Hospital of School of Medicine, Ningbo University, Ningbo, 315020, China
| | - Jinkai Liu
- Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital, College of Medicine and Institute of Respiratory Diseases, Zhejiang University, Hangzhou, 310009, China
| | - Wen Li
- Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital, College of Medicine and Institute of Respiratory Diseases, Zhejiang University, Hangzhou, 310009, China.
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