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https://www.readbyqxmd.com/read/28632163/melatonin-as-a-novel-interventional-candidate-for-fragile-x-syndrome-with-autism-spectrum-disorder-in-humans
#1
REVIEW
Jinyoung Won, Yunho Jin, Jeonghyun Choi, Sookyoung Park, Tae Ho Lee, Sang-Rae Lee, Kyu-Tae Chang, Yonggeun Hong
Fragile X syndrome (FXS) is the most common monogenic form of autism spectrum disorder (ASD). FXS with ASD results from the loss of fragile X mental retardation (fmr) gene products, including fragile X mental retardation protein (FMRP), which triggers a variety of physiological and behavioral abnormalities. This disorder is also correlated with clock components underlying behavioral circadian rhythms and, thus, a mutation of the fmr gene can result in disturbed sleep patterns and altered circadian rhythms. As a result, FXS with ASD individuals may experience dysregulation of melatonin synthesis and alterations in melatonin-dependent signaling pathways that can impair vigilance, learning, and memory abilities, and may be linked to autistic behaviors such as abnormal anxiety responses...
June 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28623510/the-implication-of-neuronimmunoendocrine-nie-modulatory-network-in-the-pathophysiologic-process-of-parkinson-s-disease
#2
REVIEW
Yan Shen, Xingfang Guo, Chao Han, Fang Wan, Kai Ma, Shiyi Guo, Luxi Wang, Yun Xia, Ling Liu, Zhicheng Lin, Jinsha Huang, Nian Xiong, Tao Wang
Parkinson's disease (PD) is a progressive neurodegenerative disorder implicitly marked by the substantia nigra dopaminergic neuron degeneration and explicitly characterized by the motor and non-motor symptom complexes. Apart from the nigrostriatal dopamine depletion, the immune and endocrine study findings are also frequently reported, which, in fact, have helped to broaden the symptom spectrum and better explain the pathogenesis and progression of PD. Nevertheless, based on the neural, immune, and endocrine findings presented above, it is still difficult to fully recapitulate the pathophysiologic process of PD...
June 16, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28623125/chronic-intermittent-hypoxia-induces-liver-fibrosis-in-mice-with-diet-induced-obesity-via-tlr4-myd88-mapk-nf-kb-signaling-pathways
#3
Hyeon Hui Kang, In Kyoung Kim, Hye In Lee, Hyonsoo Joo, Jeong Uk Lim, Jongmin Lee, Sang Haak Lee, Hwa Sik Moon
Obstructive sleep apnea (OSA) is associated with nonalcoholic fatty liver disease (NAFLD), and causes chronic intermittent hypoxia (CIH) during sleep. Inflammation is associated with the development of metabolic complications induced by CIH. Research suggests that innate immune mechanisms are involved in the pro-inflammatory pathways of liver fibrosis. The purpose of this study was to investigate whether innate immune responses induce liver fibrosis, and to evaluate mechanisms underlying hepatic inflammation related to CIH in a murine diet-induced obesity (DIO) model...
June 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28619958/monocytes-inhibit-nk-activity-via-tgf-%C3%AE-in-patients-with-obstructive-sleep-apnoea
#4
Enrique Hernández-Jiménez, Carolina Cubillos-Zapata, Victor Toledano, Rebeca Pérez de Diego, Isabel Fernández-Navarro, Raquel Casitas, Carlos Carpio, Jose Casas-Martín, Jaime Valentín, Anibal Varela-Serrano, Jose Avendaño-Ortiz, Enrique Alvarez, Luis A Aguirre, Antonio Pérez-Martínez, Maria P De Miguel, Cristobal Belda-Iniesta, Francisco García-Río, Eduardo López-Collazo
Obstructive sleep apnoea (OSA) is associated with cancer incidence and mortality. The contribution of the immune system appears to be crucial; however, the potential role of monocytes and natural killer (NK) cells remains unclear.Quantitative reverse transcriptase PCR, flow cytometry and in vitro assays were used to analyse the phenotype and immune response activity in 92 patients with OSA (60 recently diagnosed untreated patients and 32 patients after 6 months of treatment with continuous positive airway pressure (CPAP)) and 29 healthy volunteers (HV)...
June 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28604080/association-of-childhood-obesity-and-the-immune-system-a-systematic-review-of-reviews
#5
Roya Kelishadi, Mohammad Roufarshbaf, Sina Soheili, Farzaneh Payghambarzadeh, Mohsen Masjedi
The growing prevalence of childhood obesity has become a serious health problem over the past decades. As the immune system is greatly affected by excess weight, in this review of reviews, we discuss the findings of review articles about the relationship between childhood/maternal obesity and children's immune system. We searched English-language articles in PubMed, Scopus, ISI Thomson Reuters, and Google Scholar databases. All relevant reviews, either systematic or narrative, were retrieved. Then their quality was assessed by using the Assessment of Multiple Systematic Reviews and International Narrative Systematic Assessment tools, respectively...
June 12, 2017: Childhood Obesity
https://www.readbyqxmd.com/read/28597541/restless-roosts-light-pollution-affects-behavior-sleep-and-physiology-in-a-free-living-songbird
#6
Jenny Q Ouyang, Maaike de Jong, Roy H A van Grunsven, Kevin D Matson, Mark F Haussmann, Peter Meerlo, Marcel E Visser, Kamiel Spoelstra
The natural nighttime environment is increasingly polluted by artificial light. Several studies have linked artificial light at night to negative impacts on human health. In free-living animals, light pollution is associated with changes in circadian, reproductive, and social behavior, but whether these animals also suffer from physiologic costs remains unknown. To fill this gap, we made use of a unique network of field sites which are either completely unlit (control), or are artificially illuminated with white, green, or red light...
June 9, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28594929/intermittent-hypoxia-increases-kidney-tumor-vascularization-in-a-murine-model-of-sleep-apnea
#7
Antoni Vilaseca, Noelia Campillo, Marta Torres, Mireia Musquera, David Gozal, Josep M Montserrat, Antonio Alcaraz, Karim A Touijer, Ramon Farré, Isaac Almendros
We investigate the effects of intermittent hypoxia (IH), a characteristic feature of obstructive sleep apnea (OSA), on renal cancer progression in an animal and cell model. An in vivo mouse model (Balb/c, n = 50) of kidney cancer was used to assess the effect of IH on tumor growth, metastatic capacity, angiogenesis and tumor immune response. An in vitro model tested the effect of IH on RENCA cells, macrophages and endothelial cells. Tumor growth, metastatic capacity, circulating vascular endothelial growth factor (VEGF) and content of endothelial cells, tumor associated macrophages and their phenotype were assessed in the tumor...
2017: PloS One
https://www.readbyqxmd.com/read/28587149/suppression-of-osteoclastogenesis-by-melatonin-a-melatonin-receptor-independent-action
#8
Hyung Joon Kim, Ha Jin Kim, Moon-Kyoung Bae, Yong-Deok Kim
In vertebrates, melatonin is primarily secreted from the pineal gland but it affects various biological processes including the sleep-wake cycle, vasomotor control, immune system and bone homeostasis. Melatonin has been known to promote osteoblast differentiation and bone maturation, but a direct role of melatonin on osteoclast differentiation is still elusive. The present study investigated the effect of melatonin on the differentiation of macrophages to osteoclasts. The presence of melatonin significantly reduced receptor activator of nuclear factor κB ligand (RANKL)-induced osteoclastogenesis and the siRNA-mediated knockdown of the melatonin receptor failed to overcome the anti-osteoclastogenic effect of melatonin...
May 26, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28570148/an-official-american-thoracic-society-workshop-report-obesity-and-metabolism-an-emerging-frontier-in-lung-health-and-disease
#9
Benjamin T Suratt, Niki D J Ubags, Deepa Rastogi, Kelan G Tantisira, Benjamin J Marsland, Irina Petrache, Janice B Allen, Jason H T Bates, Fernando Holguin, Meredith C McCormack, Evangelos D Michelakis, Stephen M Black, Manu Jain, Ana L Mora, Viswanathan Natarajan, Yury I Miller, Michael B Fessler, Konstantin G Birukov, Ross S Summer, Stephanie A Shore, Anne E Dixon
The world is in the midst of an unprecedented epidemic of obesity. This epidemic has changed the presentation and etiology of common diseases. For example, steatohepatitis, directly attributable to obesity, is now the most common cause of cirrhosis in the United States. Type 2 diabetes is increasingly being diagnosed in children. Pulmonary researchers and clinicians are just beginning to appreciate the impact of obesity and altered metabolism on common pulmonary diseases. Obesity has recently been identified as a major risk factor for the development of asthma and for acute respiratory distress syndrome...
June 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28565736/-predictors-of-fatigue-among-individuals-with-primary-immune-thrombocytopenia-in-china
#10
Y Li, M E Lyu, Y T Hao, B Y Sun, Y T Huang, R F Fu, F Xue, X F Liu, L Zhang, R C Yang
Objective: To study the fatigue symptoms of adult patients with primary immune thrombocytopenia (ITP) and to analyze the possible factors that affect the severity of fatigue. Methods: Eligible adult patients with ITP who admitted to Institute of Hematology & Blood Diseases Hospital were enrolled in this study and the questionnaires including a Chinese version of the Functional Assessment of Chronic Illness Therapy-Fatigue (FACIT-Fatigue) , the Pittsburgh sleep quality index (PSQI) , the Hospital Anxiety and Depression scale (HADS) and demographic information were completed...
May 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28562551/final-diagnoses-and-probability-of-new-reason-for-encounter-at-an-urban-clinic-in-japan-a-4-year-observational-study
#11
Motoharu Fukushi, Yukishige Ishibashi, Naoki Nago
Past clinical data are not currently used to calculate pretest probabilities, as they have not been put into a database in clinical settings. This observational study was designed to determine the initial reasons for utilizing home visits or visits to an outpatient urban clinic in Japan.All family medical clinic outpatients and patients visited by the clinic (total = 11,688) over 1460 days were enrolled.We used a Bayes theorem-based clinical decision support system to analyze codes for initial reason-for-encounter (examination and final diagnosis: pretest probability) and final diagnosis of patients with fever (conditional pretest probability)...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28549713/childhood-opsoclonus-myoclonus-syndrome-a-case-series-from-tunisia
#12
Nedia Ben Achour, Saloua Mrabet, Ibtihel Rebai, Ines Abid, Hanene Benrhouma, Hedia Klaa, Aida Rouissi, Ichraf Kraoua, Ilhem Ben Youssef Turki
INTRODUCTION: Opsoclonus myoclonus syndrome (OMS) is a rare immune-mediated disorder characterized by opsoclonus, myoclonus, ataxia and behavioral changes. The aim of our study was to investigate the epidemiology, clinical features, etiological aspects and outcome of OMS in Tunisian children. METHODS: We conducted a retrospective study over 11years (2005-2016) including all patients aged under 18years who were managed for newly diagnosed OMS in a tertiary care research centre for children with neurological symptoms...
May 23, 2017: Brain & Development
https://www.readbyqxmd.com/read/28549247/individuals-with-clinically-significant-insomnia-symptoms-are-characterised-by-a-negative-sleep-related-expectancy-bias-results-from-a-cognitive-experimental-assessment
#13
Hannah Courtauld, Lies Notebaert, Bronwyn Milkins, Simon D Kyle, Patrick J F Clarke
Cognitive models of insomnia consistently suggest that negative expectations regarding the consequences of poor sleep contribute to the maintenance of insomnia. To date, however, no research has sought to determine whether insomnia is indeed characterised by such a negative sleep-related expectancy bias, using objective cognitive assessment tasks which are more immune to response biases than questionnaire assessments. Therefore, the current study employed a reaction-time task assessing biased expectations among a group with clinically significant insomnia symptoms (n = 30) and a low insomnia symptoms group (n = 40)...
May 17, 2017: Behaviour Research and Therapy
https://www.readbyqxmd.com/read/28541519/reduced-sleep-during-social-isolation-leads-to-cellular-stress-and-induction-of-the-unfolded-protein-response-upr
#14
Marishka K Brown, Ewa Strus, Nirinjini Naidoo
Study Objectives: Social isolation has a multitude of negative consequences on human health including the ability to endure challenges to the immune system, sleep amount and efficiency, and general morbidity and mortality. These adverse health outcomes are conserved in other social species. In the fruit fly Drosophila melanogaster, social isolation leads to increased aggression, impaired memory and reduced amounts of daytime sleep. There is a correlation between molecules affected by social isolation and those implicated in sleep in Drosophila...
May 25, 2017: Sleep
https://www.readbyqxmd.com/read/28539349/sleep-loss-promotes-astrocytic-phagocytosis-and-microglial-activation-in-mouse-cerebral-cortex
#15
Michele Bellesi, Luisa de Vivo, Mattia Chini, Francesca Gilli, Giulio Tononi, Chiara Cirelli
We previously found that Mertk and its ligand Gas6, astrocytic genes involved in phagocytosis, are upregulated after acute sleep deprivation. These results suggested that astrocytes may engage in phagocytic activity during extended wake, but direct evidence was lacking. Studies in humans and rodents also found that sleep loss increases peripheral markers of inflammation, but whether these changes are associated with neuroinflammation and/or activation of microglia, the brain's resident innate immune cells, was unknown...
May 24, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28536294/the-interfaces-between-vitamin-d-sleep-and-pain
#16
REVIEW
Daniela Leite de Oliveira, Camila Hirotsu, Sergio Tufik, Monica Levy Andersen
The role of vitamin D in osteomineral metabolism is well known. Several studies have suggested its action on different biological mechanisms, such as nociceptive sensitivity and sleep-wake cycle modulation. Sleep is an important biological process regulated by different regions of the central nervous system, mainly the hypothalamus, in combination with several neurotransmitters. Pain, which can be classified as nociceptive, neuropathic and psychological, is regulated by both the central and peripheral nervous systems...
July 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28533143/drugs-in-space-pharmacokinetics-and-pharmacodynamics-in-astronauts
#17
REVIEW
Johannes Kast, Yichao Yu, Christoph N Seubert, Virginia E Wotring, Hartmut Derendorf
Space agencies are working intensely to push the current boundaries of human spaceflight by sending astronauts deeper into space than ever before, including missions to Mars and asteroids. Spaceflight alters human physiology due to fluid shifts, muscle and bone loss, immune system dysregulation, and changes in the gastrointestinal tract and metabolic enzymes. These alterations may change the pharmacokinetics and/or pharmacodynamics of medications used by astronauts and subsequently might impact drug efficacy and safety...
May 19, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28522972/recent-advances-in-the-study-of-bipolar-rod-shaped-microglia-and-their-roles-in-neurodegeneration
#18
Ngan Pan Bennett Au, Chi Him Eddie Ma
Microglia are the resident immune cells of the central nervous system (CNS) and they contribute to primary inflammatory responses following CNS injuries. The morphology of microglia is closely associated with their functional activities. Most previous research efforts have attempted to delineate the role of ramified and amoeboid microglia in the pathogenesis of neurodegenerative diseases. In addition to ramified and amoeboid microglia, bipolar/rod-shaped microglia were first described by Franz Nissl in 1899 and their presence in the brain was closely associated with the pathology of infectious diseases and sleeping disorders...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28522102/retrospective-multicenter-matched-case-control-study-on-the-risk-factors-for-narcolepsy-with-special-focus-on-vaccinations-including-pandemic-influenza-vaccination-and-infections-in-germany
#19
Doris Oberle, Jutta Pavel, Geert Mayer, Peter Geisler, Brigitte Keller-Stanislawski
OBJECTIVE: Studies associate pandemic influenza vaccination with narcolepsy. In Germany, a retrospective, multicenter, matched case-control study was performed to identify risk factors for narcolepsy, particularly regarding vaccinations (seasonal and pandemic influenza vaccination) and infections (seasonal and pandemic influenza) and to quantify the detected risks. METHODS: Patients with excessive daytime sleepiness who had been referred to a sleep center between April 2009 and December 2012 for multiple sleep latency test (MSLT) were eligible...
June 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28511822/posttraumatic-stress-disorder-ptsd-and-the-dermatology-patient
#20
Madhulika A Gupta, Patricia Jarosz, Aditya K Gupta
Dermatologic symptoms can be associated with posttraumatic stress disorder (PTSD) in several situations: (1) as features of some core PTSD symptoms, such as intrusion symptoms manifesting as cutaneous sensory flashbacks, as autonomic arousal manifesting as night sweats and idiopathic urticaria, and as dissociation manifesting as numbness and dermatitis artefacta; (2) the cutaneous psychosomatic effects of emotional and physical neglect and sexual abuse (eg, infantile eczema, cutaneous self-injury, and body-focused repetitive behaviors such as trichotillomania and skin picking disorder) and eating disorders, which can have dermatologic effects; (3) the direct effect of physical or sexual abuse or catastrophic life events (eg, earthquakes) on the skin; and (4) as a result of significant alterations in hypothalamic-pituitary-adrenal and sympatho-adrenal medullary axes, which can affect neuroendocrine and immune functions, and can lead to exacerbations of stress-reactive inflammatory dermatoses such as psoriasis, chronic urticaria, and atopic dermatitis...
May 2017: Clinics in Dermatology
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