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de Lourdes Rabelo Guimarães M, de Azevedo PG, Souza RP, Gomes-Fernandes B, Friedman E, De Marco L, Bastos-Rodrigues L. Evaluation of clinical and genetic factors in obstructive sleep apnoea. ACTA OTORHINOLARYNGOLOGICA ITALICA : ORGANO UFFICIALE DELLA SOCIETA ITALIANA DI OTORINOLARINGOLOGIA E CHIRURGIA CERVICO-FACCIALE 2023; 43:409-416. [PMID: 37814975 PMCID: PMC10773545 DOI: 10.14639/0392-100x-n2532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 05/02/2023] [Indexed: 10/11/2023]
Abstract
Purpose To evaluate the correlation between several presumed candidate genes for obstructive sleep apnoea (OSA) and clinical OSA phenotypes and propose a predictive comprehensive model for diagnosis of OSA. Methods This case-control study compared polysomnographic patterns, clinical data, morbidities, dental factors and genetic data for polymorphisms in PER3, BDNF, NRXN3, APOE, HCRTR2, MC4R between confirmed OSA cases and ethnically matched clinically unaffected controls. A logistic regression model was developed to predict OSA using the combined data. Results The cohort consisted of 161 OSA cases and 81 controls. Mean age of cases was 53.5 ± 14.0 years, mostly males (57%) and mean body mass index (BMI) of 27.5 ± 4.3 kg/m2. None of the genotyped markers showed a statistically significant association with OSA after adjusting for age and BMI. A predictive algorithm included the variables gender, age, snoring, hypertension, mouth breathing and number of T alleles of PER3 (rs228729) presenting 76.5% specificity and 71.6% sensitivity. Conclusions No genetic variant tested showed a statistically significant association with OSA phenotype. Logistic regression analysis resulted in a predictive model for diagnosing OSA that, if validated by larger prospective studies, could be applied clinically to allow risk stratification for OSA.
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Affiliation(s)
| | - Pedro Guimarães de Azevedo
- Centro de Tecnologia em Medicina Molecular, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Renan Pedra Souza
- Laboratório de Biologia Integrativa, Grupo de Pesquisa em Bioestatística e Epidemiologia Molecular, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Bianca Gomes-Fernandes
- Centro de Tecnologia em Medicina Molecular, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Eitan Friedman
- The Genetic Center for Early Detection, Assuta Medical Center, Tel-Aviv, the Sackler School of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Luiz De Marco
- Centro de Tecnologia em Medicina Molecular, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Department of Surgery, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Luciana Bastos-Rodrigues
- Centro de Tecnologia em Medicina Molecular, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Department of Nutrition, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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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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Gkouskou K, Vlastos IM, Chaniotis D, Markaki A, Choulakis K, Prokopakis E. Nutrigenetic genotyping study in relation to Sleep Apnea Clinical Score. Sleep Breath 2018; 23:659-663. [DOI: 10.1007/s11325-018-1742-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 10/01/2018] [Accepted: 10/08/2018] [Indexed: 10/28/2022]
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Mollayeva T, D'Souza A, Mollayeva S, Colantonio A. Post-Traumatic Sleep-Wake Disorders. Curr Neurol Neurosci Rep 2017; 17:38. [PMID: 28343323 DOI: 10.1007/s11910-017-0744-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
All living organisms that face a traumatic life event are susceptible to sleep-wake disturbances. Stress, which can result in trauma, evokes a high level of physiological arousal associated with sympathetic nervous system activation, during both sleep and wakefulness. Heredity, sex hormones, early losses, developmental factors and intra- and interpersonal conflicts, contribute to the level of baseline physiological arousal, producing either subclinical, clinical or complex clinical traits, acutely and at any time after exposure to a traumatic event. The risk of acute sleep-wake disturbances becoming disorders and syndromes depends on the type of traumatic event and all of the aforementioned factors. Taken together, with consideration for behavioural and environmental heterogeneity, in research, will aid identification and understanding of susceptibility factors in long-term sleep and wakefulness pathology after exposure to traumatic events.
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Affiliation(s)
- Tatyana Mollayeva
- Rehabilitation Sciences Institute, Faculty of Medicine, University of Toronto, 550 University Avenue, Rm 11207, Toronto, ON, M5G 2A2, Canada. .,Toronto Rehabilitation Institute-University Health Network, Toronto, ON, Canada. .,Acquired Brain Injury Research Lab, University of Toronto, Toronto, Canada.
| | - Andrea D'Souza
- Faculty of Arts and Science, University of Toronto-Mississauga, 3359 Mississauga Road North, Mississauga, ON, L5L 1C6, Canada
| | - Shirin Mollayeva
- Graduate Biology Department, University of Toronto-Mississauga, Mississauga, Canada
| | - Angela Colantonio
- Rehabilitation Sciences Institute, Faculty of Medicine, University of Toronto, 550 University Avenue, Rm 11207, Toronto, ON, M5G 2A2, Canada.,Toronto Rehabilitation Institute-University Health Network, Toronto, ON, Canada.,Acquired Brain Injury Research Lab, University of Toronto, Toronto, Canada.,Department of Occupational Science and Occupational Therapy, University of Toronto, Toronto, ON, Canada
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Fang H, Liu C, Yang M, Li H, Zhang F, Zhang W, Zhang J. Neurotrophic factor and Trk signaling mechanisms underlying the promotion of motor recovery after acute spinal cord injury in rats. Exp Ther Med 2017; 14:652-656. [PMID: 28672981 PMCID: PMC5488512 DOI: 10.3892/etm.2017.4516] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2016] [Accepted: 03/08/2017] [Indexed: 12/02/2022] Open
Abstract
Neurotrophic factor (NF) and Trk signaling mechanisms underlying the promotion of motor recovery following acute spinal cord injury (SCI) in rats were investigated. Thirty-six adult Sprague-Dawley rats of both genders were randomly divided into three groups: Sham-operated, model, and NF/Trk. Each group consisted of 12 rats, with four subgroups in each group: 1, 3, 5 and 7 days. Sham-operated rats received a laminectomy without SCI, while in model group rats, SCI was induced using an improved version of the Allen's method. After analepsia, sham-operated and model group rats were given normal saline via gavage, while the NF/Trk group received NFs and Trk. Lower limb function was measured using the Basso, Beattie and Bresnahan scale 1, 3, 5 and 7 days before and after surgery. Results were analyzed statistically. Six rats from each group were randomly selected for sacrifice at 1, 3, 5 and 7 days after the operation. Morphological changes in motor neurons in the anterior gray column were observed by hematoxylin and eosin, and Nissl staining. Brain-derived expression of NF (BNDF) and neurotrophin-3 (NT-3) was detected by immunofluorescence, and the number of positive cells was counted. Expression of Trk B and Trk protein C receptor was measured by western blotting. In the NF/Trk group, the expression of NF/Trk pathway components remarkably increased. In addition, the morphology of motor neurons in the anterior gray column was improved. Expression of BNDF and NT-3 was significantly increased in motor neurons of the anterior gray column in NF/Trk rats compared with those of sham-operated and model rats (P<0.05). NFs promote motor recovery following acute SCI in rats and may have valuable clinical applications.
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Affiliation(s)
- Hua Fang
- Department of Anesthesiology, Guizhou Provincial People's Hospital, Guiyang, Guizhou 550002, P.R. China
| | - Chong Liu
- Department of Anesthesiology, Guizhou Provincial People's Hospital, Guiyang, Guizhou 550002, P.R. China
| | - Miao Yang
- Department of Anesthesiology, Guizhou Provincial People's Hospital, Guiyang, Guizhou 550002, P.R. China
| | - Huafeng Li
- Department of Anesthesiology, West China Second University Hospital of Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Fangxiang Zhang
- Department of Anesthesiology, Guizhou Provincial People's Hospital, Guiyang, Guizhou 550002, P.R. China
| | - Weijing Zhang
- Department of Anesthesiology, Guizhou Provincial People's Hospital, Guiyang, Guizhou 550002, P.R. China
| | - Jianping Zhang
- Department of Anesthesiology, Guizhou Provincial People's Hospital, Guiyang, Guizhou 550002, P.R. China
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