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Tang Y, Yang C, Wang C, Wu Y, Xu Z, Ni X. Impaired declarative memory consolidation in children with REM sleep-related obstructive sleep apnea. J Clin Sleep Med 2024; 20:417-425. [PMID: 37889162 PMCID: PMC11019210 DOI: 10.5664/jcsm.10892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 10/25/2023] [Accepted: 10/25/2023] [Indexed: 10/28/2023]
Abstract
STUDY OBJECTIVES We explored whether declarative memory consolidation is impaired in children with rapid eye movement sleep-related obstructive sleep apnea (REM-OSA) and investigated the correlation between memory consolidation and sleep-related respiratory parameters. METHODS Participants were children with habitual snoring aged 6-14 years and control children. Participants underwent polysomnography and declarative memory testing. Participants with snoring were categorized as primary snoring (PS), non-rapid eye movement sleep-related obstructive sleep apnea (NREM-OSA), stage-independent (SI)-OSA, and REM-OSA according to obstructive apnea-hypopnea index (OAHI), OAHI in REM sleep (OAHIREM), and OAHI in NREM sleep (OAHINREM). Declarative memory consolidation level was assessed by recall and recognition rates. RESULTS There were 34 controls and 228 children with sleep-disordered breathing: 73 PS, 48 NREM-OSA, 59 SI-OSA, and 48 REM-OSA. Total arousal index was lower in the REM-OSA group than in the NREM-OSA group. In all groups, retest scores were higher than immediate test scores. Recall consolidation in PS, SI-OSA, and REM-OSA groups was lower than for controls and lower in REM-OSA than in NREM-OSA. There were no correlations between recall consolidation or recognition consolidation and OAHI, OAHINREM, oxygen desaturation index in REM sleep, total arousal index, or REM sleep percent. Recognition consolidation was negatively correlated with OAHIREM. CONCLUSIONS Memory consolidation is impaired in children with REM-OSA compared with NREM-OSA and controls. There was no significant correlation between memory consolidation and OAHI, and recognition consolidation was negatively correlated with OAHIREM. It is important to pay attention to the OSA subtype in children. CITATION Tang Y, Yang C, Wang C, Wu Y, Xu Z, Ni X. Impaired declarative memory consolidation in children with REM sleep-related obstructive sleep apnea. J Clin Sleep Med. 2024;20(3):417-425.
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Affiliation(s)
- Yufen Tang
- Department of Respiratory Medicine, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
| | - Chao Yang
- State Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern, Beijing Normal University, Beijing, China
| | - Changming Wang
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Yunxiao Wu
- Beijing Key Laboratory of Pediatric Diseases of Otolaryngology, Head and Neck Surgery, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
| | - Zhifei Xu
- Department of Respiratory Medicine, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
| | - Xin Ni
- Department of Otolaryngology, Head and Neck Surgery, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
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2
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Lee S, Kim SN. The effects of acupuncture on sleep disorders and its underlying mechanism: a literature review of rodent studies. Front Neurosci 2023; 17:1243029. [PMID: 37614343 PMCID: PMC10442542 DOI: 10.3389/fnins.2023.1243029] [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: 06/20/2023] [Accepted: 07/28/2023] [Indexed: 08/25/2023] Open
Abstract
Sleep is a set of physiological processes mainly under neurobiological regulation that affect several physiological systems, and sleep disorders are a condition where normal sleep patterns are disturbed. Clinical studies have confirmed the effects of acupuncture on sleep duration and quality. Although many studies have explored the therapeutic effects of acupuncture on sleep disorders, the mechanisms are unclear. We investigated the mechanism of acupuncture efficacy in a rodent model of sleep disorders and evaluated the therapeutic effects of acupuncture treatment. According to our results, sleep disorders are associated with several brain regions and neurotransmitters. Furthermore, this review showed that neurological processes, such as catecholamine and BDNF signaling pathways, can be regulated by acupuncture, which is a crucial aspect of the acupuncture mechanism in sleep disorders.
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Affiliation(s)
| | - Seung-Nam Kim
- College of Korean Medicine, Dongguk University, Goyang, Republic of Korea
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3
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Coskun A, Zarepour A, Zarrabi A. Physiological Rhythms and Biological Variation of Biomolecules: The Road to Personalized Laboratory Medicine. Int J Mol Sci 2023; 24:ijms24076275. [PMID: 37047252 PMCID: PMC10094461 DOI: 10.3390/ijms24076275] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 03/24/2023] [Accepted: 03/24/2023] [Indexed: 03/29/2023] Open
Abstract
The concentration of biomolecules in living systems shows numerous systematic and random variations. Systematic variations can be classified based on the frequency of variations as ultradian (<24 h), circadian (approximately 24 h), and infradian (>24 h), which are partly predictable. Random biological variations are known as between-subject biological variations that are the variations among the set points of an analyte from different individuals and within-subject biological variation, which is the variation of the analyte around individuals’ set points. The random biological variation cannot be predicted but can be estimated using appropriate measurement and statistical procedures. Physiological rhythms and random biological variation of the analytes could be considered the essential elements of predictive, preventive, and particularly personalized laboratory medicine. This systematic review aims to summarize research that have been done about the types of physiological rhythms, biological variations, and their effects on laboratory tests. We have searched the PubMed and Web of Science databases for biological variation and physiological rhythm articles in English without time restrictions with the terms “Biological variation, Within-subject biological variation, Between-subject biological variation, Physiological rhythms, Ultradian rhythms, Circadian rhythm, Infradian rhythms”. It was concluded that, for effective management of predicting, preventing, and personalizing medicine, which is based on the safe and valid interpretation of patients’ laboratory test results, both physiological rhythms and biological variation of the measurands should be considered simultaneously.
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4
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BaHammam AS, Pirzada AR, Pandi-Perumal SR. Neurocognitive, mood changes, and sleepiness in patients with REM-predominant obstructive sleep apnea. Sleep Breath 2023; 27:57-66. [PMID: 35318576 DOI: 10.1007/s11325-022-02602-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 03/13/2022] [Accepted: 03/17/2022] [Indexed: 11/28/2022]
Abstract
PURPOSE This article focuses on recent evidence linking rapid eye movement (REM) obstructive sleep apnea (OSA) (REM-OSA) to neurocognitive dysfunction and mood changes; the proposed mechanisms for increased risk of neurocognitive dysfunction in REM-OSA, and future research prospects. METHODS PubMed and Google Scholar records were examined for articles utilizing pre-defined keywords. In this work, we mainly included studies published after 2017; nevertheless, critical studies published prior to 2017 were considered. RESULTS REM-OSA is an under-recognized stage-related sleep-disordered breathing in which obstructive respiratory events happen chiefly in stage REM. The disorder is commonly seen amongst younger patients and females and has recently been linked to cardiometabolic complications. Although less symptomatic than non-REM-OSA and non-stage-specific OSA, current findings indicate that REM-OSA may have neurocognitive repercussions and mood changes and could be linked to insomnia, increased dreams, and nightmares. CONCLUSION Currently available evidence indicates that REM-OSA may present with insomnia and nightmares and could affect cognitive function and mood.
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Affiliation(s)
- Ahmed S BaHammam
- Department of Medicine, The University Sleep Disorders Center, Department of Medicine, College of Medicine, King Saud University, Riyadh, Saudi Arabia. .,Strategic Technologies Program of the National Plan for Sciences and Technology and Innovation in the Kingdom of Saudi, Arabia (08-MED511-02), Riyadh, Saudi Arabia.
| | - Abdul Rouf Pirzada
- Department of Medicine, The University Sleep Disorders Center, Department of Medicine, College of Medicine, King Saud University, Riyadh, Saudi Arabia.,North Cumbria Integrated Care (NCIC), NHS, Carlisle, UK
| | - Seithikurippu R Pandi-Perumal
- Department of Medicine, The University Sleep Disorders Center, Department of Medicine, College of Medicine, King Saud University, Riyadh, Saudi Arabia.,Saveetha Medical College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India
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5
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Murillo-Rodríguez E, Arankowsky-Sandoval G, Budde H, Imperatori C, Machado S, Yamamoto T, Yadollahpour A, Torterolo P. In vivo brain levels of acetylcholine and 5-hydroxytryptamine after oleoylethanolamide or palmitoylethanolamide administrations are mediated by PPARα engagement. Eur J Neurosci 2021; 54:5932-5950. [PMID: 34396611 DOI: 10.1111/ejn.15409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 07/06/2021] [Accepted: 07/25/2021] [Indexed: 11/29/2022]
Abstract
The peroxisome proliferator-activated receptor alpha (PPARα) is a nuclear receptor that has been linked to the modulation of several physiological functions, including the sleep-wake cycle. The PPARα recognizes as endogenous ligands the lipids oleoylethanolamide (OEA) and palmitoylethanolamide (PEA), which in turn, if systemically injected, they exert wake-promoting effects. Moreover, the activation of PPARα by the administration of OEA or PEA increases the extracellular contents of neurotransmitters linked to the control of wakefulness; however, the role of PPARα activated by OEA or PEA on additional biochemicals related to waking regulation, such as acetylcholine (ACh) and 5-hydroxytryptamine (5-HT), has not been fully studied. Here, we have investigated the effects of treatments of OEA or PEA on the contents of ACh and 5-HT by using in vivo microdialysis techniques coupled to HPLC means. For this purpose, OEA or PEA were systemically injected (5, 10 or 30 mg/kg; i.p.), and the levels of ACh and 5-HT were collected from the basal forebrain, a wake-related brain area. These pharmacological treatments significantly increased the contents of ACh and 5-HT as determined by HPLC procedures. Interestingly, PPARα antagonist MK-886 (30 mg/kg; i.p.) injected before the treatments of OEA or PEA blocked these outcomes. Our data suggest that the activation of PPARα by OEA or PEA produces significant changes on ACh and 5-HT levels measured from the basal forebrain and support the conclusion that PPARα is a suitable molecular element involved in the regulation of wake-related neurotransmitters.
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Affiliation(s)
- Eric Murillo-Rodríguez
- Laboratorio de Neurociencias Moleculares e Integrativas, Escuela de Medicina, División Ciencias de la Salud, Universidad Anáhuac Mayab, Mérida, Yucatán, Mexico.,Intercontinental Neuroscience Research Group
| | - Gloria Arankowsky-Sandoval
- Centro de Investigaciones Regionales "Dr. Hideyo Noguchi", Universidad Autónoma de Yucatán, Mérida, Yucatán, Mexico
| | - Henning Budde
- Intercontinental Neuroscience Research Group.,Institute for Systems Medicine, Faculty of Human Sciences, MSH Medical School Hamburg, Hamburg, Germany
| | - Claudio Imperatori
- Intercontinental Neuroscience Research Group.,Cognitive and Clinical Psychology Laboratory, Department of Human Science, European University of Rome, Rome, Italy
| | - Sérgio Machado
- Intercontinental Neuroscience Research Group.,Department of Sports Methods and Techniques, Federal University of Santa Maria, Santa Maria, Brazil.,Laboratory of Physical Activity Neuroscience, Neurodiversity Institute, Queimados, Brazil
| | - Tetsuya Yamamoto
- Intercontinental Neuroscience Research Group.,Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima, Japan
| | - Ali Yadollahpour
- Intercontinental Neuroscience Research Group.,Department of Psychology, University of Sheffield, Sheffield, UK
| | - Pablo Torterolo
- Intercontinental Neuroscience Research Group.,Laboratorio de Neurobiología del Sueño, Departamento de Fisiología, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
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6
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Baril AA, Gagnon K, Brayet P, Montplaisir J, Carrier J, Soucy JP, Lafond C, Blais H, d'Aragon C, Gagnon JF, Gosselin N. Obstructive sleep apnea during REM sleep and daytime cerebral functioning: A regional cerebral blood flow study using high-resolution SPECT. J Cereb Blood Flow Metab 2020; 40:1230-1241. [PMID: 30465610 PMCID: PMC7238367 DOI: 10.1177/0271678x18814106] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Obstructive sleep apnea (OSA) predominantly during rapid eye movement (REM) sleep may have impacts on brain health, even in milder OSA cases. Here, we evaluated whether REM sleep OSA is associated with abnormal daytime cerebral functioning using high-resolution single-photon emission computed tomography (SPECT). We tested 96 subjects (25 F, age: 65.2 ± 6.4) with a wide range of OSA severity from no OSA to severe OSA (apnea-hypopnea index: 0-97 events/h). More respiratory events during REM sleep were associated with reduced daytime regional cerebral blood flow (rCBF) in the bilateral ventromedial prefrontal cortex and in the right insula extending to the frontal cortex. More respiratory events during non-REM (NREM) sleep were associated with reduced daytime rCBF in the left sensorimotor and temporal cortex. In subjects with a lower overall OSA severity (apnea-hypopnea index<15), more respiratory events during REM sleep were also associated with reduced daytime rCBF in the insula and extending to the frontal cortex. Respiratory events that characterized OSA during NREM versus REM sleep are associated with distinct patterns of daytime cerebral perfusion. REM sleep OSA could be more detrimental to brain health, as evidenced by reduced daytime rCBF in milder forms of OSA.
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Affiliation(s)
- Andrée-Ann Baril
- Center for Advanced Research in Sleep Medicine, Hôpital du Sacré-Coeur, Montreal, Canada.,Faculty of Medicine, Université de Montréal, Montreal, Canada
| | - Katia Gagnon
- Center for Advanced Research in Sleep Medicine, Hôpital du Sacré-Coeur, Montreal, Canada.,Department of Psychology, Université du Québec à Montréal, Montreal, Canada
| | - Pauline Brayet
- Center for Advanced Research in Sleep Medicine, Hôpital du Sacré-Coeur, Montreal, Canada.,Department of Psychology, Université du Québec à Montréal, Montreal, Canada
| | - Jacques Montplaisir
- Center for Advanced Research in Sleep Medicine, Hôpital du Sacré-Coeur, Montreal, Canada.,Faculty of Medicine, Université de Montréal, Montreal, Canada
| | - Julie Carrier
- Center for Advanced Research in Sleep Medicine, Hôpital du Sacré-Coeur, Montreal, Canada.,Department of Psychology, Université de Montréal, Montreal, Canada
| | - Jean-Paul Soucy
- Montreal Neurological Institute, McGill University, Montreal, Canada
| | - Chantal Lafond
- Center for Advanced Research in Sleep Medicine, Hôpital du Sacré-Coeur, Montreal, Canada
| | - Hélène Blais
- Center for Advanced Research in Sleep Medicine, Hôpital du Sacré-Coeur, Montreal, Canada
| | - Caroline d'Aragon
- Center for Advanced Research in Sleep Medicine, Hôpital du Sacré-Coeur, Montreal, Canada.,Department of Psychology, Université de Montréal, Montreal, Canada
| | - Jean-François Gagnon
- Center for Advanced Research in Sleep Medicine, Hôpital du Sacré-Coeur, Montreal, Canada.,Department of Psychology, Université du Québec à Montréal, Montreal, Canada
| | - Nadia Gosselin
- Center for Advanced Research in Sleep Medicine, Hôpital du Sacré-Coeur, Montreal, Canada.,Department of Psychology, Université de Montréal, Montreal, Canada
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7
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Sobreira-Neto MA, Pena-Pereira MA, Sobreira EST, Chagas MHN, de Almeida CMO, Fernandes RMF, Tumas V, Eckeli AL. Factors related to excessive sleepiness in patients with Parkinson’s disease. Neurol Res 2018; 41:227-233. [DOI: 10.1080/01616412.2018.1548746] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Manoel Alves Sobreira-Neto
- Faculty of Medicine, Department of Clinical Medicine, Federal University of Ceará, Fortaleza, Brazil
- Faculty of Medicine, University of Fortaleza, Fortaleza, Brazil
| | | | | | | | | | | | - Vitor Tumas
- Department of Neuroscience, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Alan Luiz Eckeli
- Department of Neuroscience, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
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8
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Abstract
BACKGROUND Shift-workers commonly suffer from insomnia. This study evaluates different domains of insomnia. AIM This study was aimed to study sleep and insomnia in rotating shift-workers and compare with day-workers. MATERIALS AND METHODS This was case-control study. The sleep of rotating shift-workers is compared with day workers using Athens Insomnia Scale. RESULTS Rotating shift-workers had significantly higher scores on Athens insomnia scale on domains of initial, intermediate and terminal insomnia than day workers. Duration and quality of sleep and sense of well-being are lower in rotating shift-workers. Rotating shift-workers also experienced more day-time sleepiness than day workers. However, there was no difference in perceived physical and mental functioning between the two groups. CONCLUSION Individuals working in rotating shifts for more than 15 days have significantly higher prevalence of insomnia than day-workers.
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Affiliation(s)
| | - Prakash Ambekar
- Department of Psychiatry, Indian Institute of Medical Science and Research Medical College, Jalna, Maharashtra, India
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9
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Sleep and Children with Cerebral Palsy: A Review of Current Evidence and Environmental Non-Pharmacological Interventions. CHILDREN-BASEL 2015; 2:78-88. [PMID: 27417351 PMCID: PMC4928749 DOI: 10.3390/children2010078] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Revised: 02/05/2015] [Accepted: 02/13/2015] [Indexed: 11/16/2022]
Abstract
Between 23%–46% of children with cerebral palsy experience sleep problems. Many of the sensory-motor and cognitive features of cerebral palsy (such as immobility, pain, and seizures) act as predisposing factors for sleep problems in this population. This paper presents the background related to the etiology and consequences of sleep problems in children with cerebral palsy. The relationship between pain and sleep is emphasized, as the risk of pain is highly prevalent in children with cerebral palsy. The review concludes with a discussion of the evidence-base for environmental non-pharmacological interventions based on light, temperature, sound and bedding to promote sleep for children with cerebral palsy.
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10
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Adams GC, Stoops MA, Skomro RP. Sleep tight: exploring the relationship between sleep and attachment style across the life span. Sleep Med Rev 2014; 18:495-507. [PMID: 24721278 DOI: 10.1016/j.smrv.2014.03.002] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2013] [Revised: 02/24/2014] [Accepted: 03/04/2014] [Indexed: 11/17/2022]
Abstract
Based on early life experiences in which developmental, genetic, and environmental components interact, humans learn to trust themselves and others and connect emotionally in consistent ways that are broadly defined as "attachment styles." These relatively stable patterns of interpersonal interaction are associated with either vulnerability to various health risks or resilience. Similarly, the mechanisms involved in sleep regulation undergo developmental changes that overlap temporally with attachment formation and remain sensitive to a series of biological, environmental and psychological influences. Interestingly, while sleep has been conceptualized as a fundamental attachment behavior given its dyadic context, few studies have explored its relationship with attachment style in various ages. We present the first systematic review of the published literature examining the relationship between attachment style and sleep in humans across the life span. While levels of evidence and methods of assessment vary significantly, the results suggest a possible life-long relationship between individual attachment style and sleep. These findings are particularly useful in understanding relatively ingrained psychological mechanisms that can affect and be affected by sleep. Clinical and research implications are discussed.
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Affiliation(s)
- G Camelia Adams
- Department of Psychiatry, University of Saskatchewan, Saskatoon, Canada.
| | - Melissa A Stoops
- Department of Psychiatry, University of Saskatchewan, Saskatoon, Canada
| | - Robert P Skomro
- Division of Respirology, Critical Care and Sleep Medicine, Department of Medicine, University of Saskatchewan, Saskatoon, Canada
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11
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Karthikeyan R, Marimuthu G, Ramasubramanian C, Arunachal G, BaHammam AS, Spence DW, Cardinali DP, Brown GM, Pandi-Perumal SR. Association of Per3 length polymorphism with bipolar I disorder and schizophrenia. Neuropsychiatr Dis Treat 2014; 10:2325-30. [PMID: 25525361 PMCID: PMC4267513 DOI: 10.2147/ndt.s73765] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Sleep-wake disturbances have frequently been reported in bipolar disorder and schizophrenia, and are considered to be caused by an underlying circadian rhythm disorder. The study presented here was designed to investigate the existence of Per3 polymorphism in bipolar disorder type I (BD-I) and schizophrenic patients in South India. METHODS Blood samples were collected from 311 BD-I patients, 293 schizophrenia patients, and 346 age- and sex-matched normal controls. Per3 genotyping was performed on DNA by polymerase chain reaction using specific primers. RESULTS An increased prevalence of five repeat homozygotes was seen in BD-I patients as compared with healthy controls (odds ratio =1.72 [95% confidence interval: 1.08-2.76, P=0.02]). In BD-I patients, the frequency of the five repeat allele was higher (allele frequency =0.41), and that of the four repeat allele lower (allele frequency =0.36) (χ (2)=4.634; P<0.03) than in the control group. No significant association was observed in the allele frequencies of four and five repeat alleles in schizophrenia patients when compared with controls. CONCLUSION The occurrence of the five repeat allele of Per3 may be a risk factor for BD-I onset in this ethnic group.
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Affiliation(s)
- Ramanujam Karthikeyan
- Department of Animal Behaviour and Physiology, School of Biological Sciences, Madurai Kamaraj University, Madurai, India
| | - Ganapathy Marimuthu
- Department of Animal Behaviour and Physiology, School of Biological Sciences, Madurai Kamaraj University, Madurai, India
| | | | - Gautham Arunachal
- MS Chellamuthu Trust and Research Foundation, KK Nagar, Madurai, India
| | - Ahmed S BaHammam
- University Sleep Disorders Center, College of Medicine, National Plan for Science and Technology, King Saud University, Riyadh, Saudi Arabia
| | | | - Daniel P Cardinali
- Department of Teaching and Research, Faculty of Medical Sciences, Pontificia Universidad Católica Argentina, Buenos Aires, Argentina
| | - Gregory M Brown
- Centre for Addiction and Mental Health, University of Toronto, Toronto, Ontario, Canada
| | - Seithikurippu R Pandi-Perumal
- Center for Healthful Behavior Change (CHBC), Division of Health and Behavior, Department of Population Health, NYU Langone Medical Center, Clinical and Translational Research Institute, New York, New York, USA
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