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https://www.readbyqxmd.com/read/29784756/clinical-features-of-children-with-autism-who-passed-18-month-screening
#1
Roald A Øien, Synnve Schjølberg, Fred R Volkmar, Frederick Shic, Domenic V Cicchetti, Anders Nordahl-Hansen, Nina Stenberg, Mady Hornig, Alexandra Havdahl, Anne-Siri Øyen, Pamela Ventola, Ezra S Susser, Martin R Eisemann, Katarzyna Chawarska
OBJECTIVES: We compared sex-stratified developmental and temperamental profiles at 18 months in children screening negative for autism spectrum disorder (ASD) on the Modified Checklist for Autism in Toddlers (M-CHAT) but later receiving diagnoses of ASD (false-negative group) versus those without later ASD diagnoses (true-negative group). METHODS: We included 68 197 screen-negative cases from the Norwegian Mother and Child Cohort Study (49.1% girls). Children were screened by using the 6 critical items of the M-CHAT at 18 months...
May 21, 2018: Pediatrics
https://www.readbyqxmd.com/read/29783273/clinical-and-genetic-features-of-congenital-myasthenic-syndromes-due-to-chat-mutations-case-report-and-literature-review
#2
Pinar Arican, Pinar Gencpinar, Dilek Cavusoglu, Nihal Olgac Dundar
Congenital myasthenic syndromes (CMS) are neuromuscular transmission disorders caused by mutations in genes encoding neuromuscular junction proteins. CMS due to choline acetyltransferase (CHAT) gene is characterized by episodic apnea. We report a case of a 12-month-old female patient presented with recurrent episodic apnea carrying a mutation in CHAT gene, p.I336T. Furthermore, we describe the genetic and clinical findings in 44 CMS patients due to CHAT mutations in the literature up to date. Episodes of apnea and respiratory insufficiency are the hallmarks of CHAT mutations...
May 21, 2018: Neuropediatrics
https://www.readbyqxmd.com/read/29778240/the-autonomic-neural-mechanism-of-right-ventricular-outflow-tract-tachycardia
#3
Hung-Yu Chang, Li-Wei Lo, Yu-Ruey Chen, Yu-Hui Chou, Wei-Lun Lin, Yenn-Jiang Lin, Wei-Hsian Yin, An-Ning Feng, Shih-Ann Chen
BACKGROUND: Ventricular tachycardia (VT) and ventricular premature complexes (VPCs) originating from the right ventricular outflow tract (RVOT) are generally considered as benign arrhythmias, with ECG morphology showing LBBB pattern and inferior axis. Pathogenic mechanisms in the genesis of RVOT VT/VPC remain largely unknown. We aimed to investigate the neural mechanism in RVOT ventricular arrhythmias in canine model. METHODS: Twelve mongrel dogs (13.7 ± 1...
July 2018: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/29777088/ten-minute-chat
#4
(no author information available yet)
Tariq Abou-Zahr is an exotics resident at Great Western Exotics, Swindon - a centre of excellence for avian and exotic pets. Having kept birds and reptiles since he was a child, he has a keen interest in unusual species.
May 19, 2018: Veterinary Record
https://www.readbyqxmd.com/read/29775722/inflammatory-and-oxidative-mechanisms-potentiate-bifenthrin-induced-neurological-alterations-and-anxiety-like-behavior-in-adult-rats
#5
Brahim Gargouri, Harsharan S Bhatia, Michèle Bouchard, Bernd L Fiebich, Hamadi Fetoui
Bifenthrin (BF) is a synthetic pyrethroid pesticide widely used in several countries to manage insect pests on diverse agricultural crops. Growing evidence indicates that BF exposure is associated with an increased risk of developing neurodegenerative disorders. However, the mechanisms by which BF induces neurological and anxiety alterations in the frontal cortex and striatum are not well known. The present in vivo study was carried out to determine whether reactive oxygen species (ROS)-mediated oxidative stress (OS) and neuroinflammation are involved in such alterations...
May 15, 2018: Toxicology Letters
https://www.readbyqxmd.com/read/29769053/understanding-conversations-about-alcohol-between-parents-and-their-15-17-year-olds-a-qualitative-study
#6
Alexandra Sawyer, Lester Coleman, Richard Cooke, Lisa Hodgson, Nigel Sherriff
BACKGROUND: There is an increasing awareness that parents can play an important role in shaping their children's attitudes towards alcohol and use of alcohol. However, there has been little research exploring the conversations parents have with their children about alcohol. The present study aims to address this gap by exploring conversations between parents and their 15-17 year old children. METHODS: Using a cross-sectional qualitative design, recruitment took place over two phases to allow a purposive maximum variation sample of parents and young people...
May 16, 2018: BMC Public Health
https://www.readbyqxmd.com/read/29765403/effect-of-maternal-administration-of-edible-bird-s-nest-on-the-learning-and-memory-abilities-of-suckling-offspring-in-mice
#7
Yong Xie, Hongliang Zeng, Zhiji Huang, Hui Xu, Qunyan Fan, Yi Zhang, Baodong Zheng
Although human brains continue developing throughout the underage developmental stages, the infancy period is considered the most important one for the whole life. It has been reported that sialic acid from edible bird's nest (EBN) can facilitate the development of brain and intelligence. In this study, by oral administration of EBN to female mice during the pregnancy or lactation period, the effects of EBN on the levels of sialic acid in mouse milk were determined using high-performance liquid chromatography (HPLC)...
2018: Neural Plasticity
https://www.readbyqxmd.com/read/29762076/the-degeneration-of-the-vestibular-efferent-neurons-after-intratympanic-gentamicin-administration
#8
Qianru Wu, Yibo Zhang, Chunfu Dai, Yu Kong, Lijun Pan
Intratympanic gentamicin (ITG) has been used to treat refractory Ménière's disease. Disequilibrium after ITG was still a challenge for some patients, and the underlying mechanism is poorly understood. Our previous study demonstrated that gentamicin distributed in the bilateral vestibular efferent neurons (VEN) after ITG; however, does it lead to VEN damage and cause further disequilibrium in patients following ITG? In this study, we observed severe damaged gentamicin-positive neurons of VEN and severe fractured myelin layer plates around neural fibers when viewed under transmission electron microscopy at day 3 after ITG...
May 1, 2018: Journal of Histochemistry and Cytochemistry: Official Journal of the Histochemistry Society
https://www.readbyqxmd.com/read/29761010/central-cholinergic-system-mediates-working-memory-deficit-induced-by-anesthesia-surgery-in-adult-mice
#9
Xiao Zhang, Xuliang Jiang, Lili Huang, Weitian Tian, Xuemei Chen, Xiyao Gu, Weifeng Yu, Jie Tian, Diansan Su
Background: Postoperative cognitive dysfunction (POCD) is consistently associated with increased morbidity and mortality, which has become a major concern of patients and caregivers. Although POCD occurs mainly in aged patients, it happens at any age. Previous studies demonstrated that anesthesia/surgery had no effects on reference memory of adult mice. However, whether it impairs working memory remains unclear. Working memory deficit would result in many deficits of executive function...
May 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29760780/derivative-chromosomes-involving-5p-large-rearranged-segments-went-unnoticed-with-the-use-of-conventional-cytogenetics
#10
Emiy Yokoyama, Victoria Del Castillo, Silvia Sánchez, Sandra Ramos, Bertha Molina, Leda Torres, María José Navarro, Silvia Avila, José Luis Castrillo, Benilde García-De Teresa, Bárbara Asch, Sara Frías
Background: In countries where comparative genomic hybridization arrays (aCGH) and next generation sequencing are not widely available due to accessibility and economic constraints, conventional 400-500-band karyotyping is the first-line choice for the etiological diagnosis of patients with congenital malformations and intellectual disability. Conventional karyotype analysis can rule out chromosomal alterations greater than 10 Mb. However, some large structural abnormalities, such as derivative chromosomes, may go undetected when the analysis is performed at less than a 550-band resolution and the size and banding pattern of the interchanged segments are similar...
2018: Molecular Cytogenetics
https://www.readbyqxmd.com/read/29759072/chat-gene-polymorphism-rs3810950-is-associated-with-the-risk-of-alzheimer-s-disease-in-the-czech-population
#11
Alice Hálová, Jana Janoutová, Laura Ewerlingová, Vladimír Janout, Ondřej Bonczek, Tomáš Zeman, Tereza Gerguri, Vladimir J Balcar, Omar Šerý
BACKGROUND: Cholinergic hypothesis of Alzheimer's disease (AD) is based on the findings that a reduced and/or perturbed cholinergic activity in the central nervous system correlates with cognitive decline in patients with Alzheimer's disease. The hypothesis resulted in the development of centrally-acting agents potentiating cholinergic neurotransmission; these drugs, however, only slowed down the cognitive decline and could not prevent it. Consequently, the perturbation of the central cholinergic signalling has been accepted as a part of the Alzheimer's aetiology but not necessarily the primary cause of the disease...
May 14, 2018: Journal of Biomedical Science
https://www.readbyqxmd.com/read/29755345/analogous-%C3%AE-carboline-alkaloids-harmaline-and-harmine-ameliorate-scopolamine-induced-cognition-dysfunction-by-attenuating-acetylcholinesterase-activity-oxidative-stress-and-inflammation-in-mice
#12
Shu-Ping Li, Yu-Wen Wang, Sheng-Lan Qi, Yun-Peng Zhang, Gang Deng, Wen-Zheng Ding, Chao Ma, Qi-Yan Lin, Hui-Da Guan, Wei Liu, Xue-Mei Cheng, Chang-Hong Wang
The analogous β-carboline alkaloids, harmaline (HAL) and harmine (HAR), possess a variety of biological properties, including acetylcholinesterase (AChE) inhibitory activity, antioxidant, anti-inflammatory, and many others, and have great potential for treating Alzheimer's disease (AD). However, studies have showed that the two compounds have similar structures and in vitro AChE inhibitory activities but with significant difference in bioavailability. The objective of this study was to comparatively investigate the effects of HAL and HAR in memory deficits of scopolamine-induced mice...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29752714/post-crossing-segment-of-di1-commissural-axons-forms-collateral-branches-to-motor-neurons-in-the-developing-spinal-cord
#13
Takeshi Kaneyama, Ryuichi Shirasaki
The dI1 commissural axons in the developing spinal cord, upon crossing the midline through the floor plate, make a sharp turn to grow rostrally. These post-crossing axons initially just extend adjacent to the floor plate without entering nearby motor columns. However, it remains poorly characterized how these post-crossing dI1 axons behave subsequently to this process. In the present study, to address this issue, we examined in detail the behavior of post-crossing dI1 axons in mice, using the Atoh1 enhancer-based conditional expression system that enables selective and sparse labeling of individual dI1 axons, together with Hb9 and ChAT immunohistochemistry for precise identification of spinal motor neurons (MNs)...
May 11, 2018: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/29746216/digital-ethnography-of-zoophilia-a-multinational-mixed-methods-study
#14
Damian Jacob Sendler, Michal Lew-Starowicz
INTRODUCTION: This study investigates people who have sex with animals (PSA) by describing their living situation, sexual activity, beliefs, and attitudes toward stigmatization. These data are highly applicable to the work of psychiatric and forensic professionals investigating paraphilias. METHODS: We apply mixed-methods approach, using qualitative and quantitative analyses. RESULTS: The findings come from anonymous forum postings of 953 participants; of which 345 agreed to complete a survey upon advertising the study...
May 10, 2018: Journal of Sex & Marital Therapy
https://www.readbyqxmd.com/read/29742035/what-do-patients-talk-about-a-qualitative-analysis-of-online-chat-sessions-with-healthcare-specialists-during-a-virtual-cardiac-rehabilitation-program
#15
Joanna Mendell, Joanna Bates, Davina Banner-Lukaris, Dan Horvat, Bindy Kang, Joel Singer, Andrew Ignaszewski, Scott A Lear
INTRODUCTION: Cardiac rehabilitation programs (CRPs) are effective at reducing cardiovascular disease (CVD) risk, yet attendance in these programs remains low due to geographic constraints. In a previously conducted randomized trial we demonstrated that a virtual CRP (vCRP) delivered over the Internet reduced risk for CVD. The current investigation has reviewed the online chat sessions between participants and healthcare providers (HCP) to describe the content of discussions during the vCRP intervention...
May 9, 2018: Telemedicine Journal and E-health: the Official Journal of the American Telemedicine Association
https://www.readbyqxmd.com/read/29741434/effects-of-oxaliplatin-treatment-on-the-myenteric-plexus-innervation-and-glia-in-the-murine-distal-colon
#16
Vanesa Stojanovska, Rachel M McQuade, Sarah Miller, Kulmira Nurgali
Oxaliplatin (platinum-based chemotherapeutic agent) is a first-line treatment of colorectal malignancies; its use associates with peripheral neuropathies and gastrointestinal side effects. These gastrointestinal dysfunctions might be due to toxic effects of oxaliplatin on the intestinal innervation and glia. Male Balb/c mice received intraperitoneal injections of sterile water or oxaliplatin (3 mg/kg/d) triweekly for 2 weeks. Colon tissues were collected for immunohistochemical assessment at day 14. The density of sensory, adrenergic, and cholinergic nerve fibers labeled with calcitonin gene-related peptide (CGRP), tyrosine hydroxylase (TH), and vesicular acetylcholine transporter (VAChT), respectively, was assessed within the myenteric plexus of the distal colon...
May 1, 2018: Journal of Histochemistry and Cytochemistry: Official Journal of the Histochemistry Society
https://www.readbyqxmd.com/read/29740907/enteric-glial-cell-activation-protects-enteric-neurons-from-damage-due-to-diabetes-in-part-via-the-promotion-of-neurotrophic-factor-release
#17
P Luo, D Liu, C Li, W-X He, C-L Zhang, M-J Chang
BACKGROUND: Diabetes can result in pathological changes to enteric nervous system. Our aim was to test the dynamic changes of enteric neurons and identify the role of enteric glial cells (EGCs) in regulating enteric neuron expression in diabetic rats. METHODS: A single injection of streptozotocin (STZ) was used to establish diabetic rats. Animals were randomly distributed into diabetic 1-, 4-, 8-, and 16-week groups, as well as age-matched control groups. The PGP9...
May 8, 2018: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/29740282/muscarinic-m4-receptors-on-cholinergic-and-dopamine-d1-receptor-expressing-neurons-have-opposing-functionality-for-positive-reinforcement-and-influence-impulsivity
#18
Anna M Klawonn, Daniel B Wilhelms, Sarah H Lindström, Anand Kumar Singh, Maarit Jaarola, Jürgen Wess, Michael Fritz, David Engblom
The neurotransmitter acetylcholine has been implicated in reward learning and drug addiction. However, the roles of the various cholinergic receptor subtypes on different neuron populations remain elusive. Here we study the function of muscarinic M4 receptors (M4Rs) in dopamine D1 receptor (D1R) expressing neurons and cholinergic neurons (expressing choline acetyltransferase; ChAT), during various reward-enforced behaviors and in a "waiting"-impulsivity test. We applied cell-type-specific gene deletions targeting M4Rs in D1RCre or ChATCre mice...
2018: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29739738/effects-of-treatment-length-and-chat-based-counseling-in-a-web-based-intervention-for-cannabis-users-randomized-factorial-trial
#19
Benjamin Jonas, Marc-Dennan Tensil, Peter Tossmann, Evelin Strüber
BACKGROUND: Digital interventions show promise in reducing problematic cannabis use. However, little is known about the effect of moderators in such interventions. The therapist-guided internet intervention Quit the Shit provides 50 days of chat-based (synchronous) and time-lagged (asynchronous) counseling. OBJECTIVE: In the study, we examined whether the effectiveness of Quit the Shit is reduced by shortening the program or by removing the chat-based counseling option...
May 8, 2018: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/29735478/development-and-validation-of-a-multidisciplinary-mobile-care-system-for-patients-with-advanced-gastrointestinal-cancer-interventional-observation-study
#20
Ji Yeong Soh, Won Chul Cha, Dong Kyung Chang, Ji Hye Hwang, Kihyung Kim, Miyong Rha, Hee Kwon
BACKGROUND: Mobile health apps have emerged as supportive tools in the management of advanced cancers. However, only a few apps have self-monitoring features, and they are not standardized and validated. OBJECTIVE: This study aimed to develop and validate a multidisciplinary mobile care system with self-monitoring features that can be useful for patients with advanced gastrointestinal cancer. METHODS: The development of the multidisciplinary mobile health management system was divided into 3 steps...
May 7, 2018: JMIR MHealth and UHealth
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