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https://www.readbyqxmd.com/read/29023380/the-gut-microbiome-feelings-of-the-brain-a-perspective-for-non-microbiologists
#1
REVIEW
Aaron Lerner, Sandra Neidhöfer, Torsten Matthias
Objectives: To comprehensively review the scientific knowledge on the gut-brain axis. Methods: Various publications on the gut-brain axis, until 31 July 2017, were screened using the Medline, Google, and Cochrane Library databases. The search was performed using the following keywords: "gut-brain axis", "gut-microbiota-brain axis", "nutrition microbiome/microbiota", "enteric nervous system", "enteric glial cells/network", "gut-brain pathways", "microbiome immune system", "microbiome neuroendocrine system" and "intestinal/gut/enteric neuropeptides"...
October 12, 2017: Microorganisms
https://www.readbyqxmd.com/read/29021932/an-evaluation-of-lag-schedules-of-reinforcement-during-functional-communication-training-effects-on-varied-mand-responding-and-challenging-behavior
#2
Summer Adami, Terry S Falcomata, Colin S Muething, Katherine Hoffman
We evaluated the effects of lag schedules of reinforcement during functional communication training (FCT) on the varied use of mands and challenging behavior by two individuals diagnosed with autism. Specifically, we compared the effects of Lag 0 and Lag 1 schedules of reinforcement during FCT. The results showed that each participant exhibited increases in varied mand responding during FCT with the Lag 1 schedule of reinforcement relative to Lag 0; challenging behavior remained low during both FCT lag conditions relative to baseline...
September 2017: Behavior Analysis in Practice
https://www.readbyqxmd.com/read/29021833/what-california-sea-lions-exposed-to-domoic-acid-might-teach-us-about-autism-lessons-for-predictive-and-preventive-medicine
#3
REVIEW
Garet Paul Lahvis
Autism spectrum disorder (ASD) shares many biological and behavioral similarities with the deleterious effects of domoic acid (DA) exposure. DA is produced by marine algae and most commonly by species of Pseudo-nitzschia. Humans and marine mammals can be exposed to DA when they consume whole fish or shellfish. The mammalian fetus is highly sensitive to the deleterious effects of DA exposure. Both ASD and exposures to toxic levels of DA feature repetitive behaviors, challenges with social interaction, and seizures...
September 2017: EPMA Journal
https://www.readbyqxmd.com/read/28994903/antidepressant-exposure-during-pregnancy-and-risk-of-autism-in-the-offspring-1-meta-review-of-meta-analyses
#4
Chittaranjan Andrade
There are no randomized controlled trials of antidepressant drugs to treat depression, or to prevent relapse into depression, during pregnancy; therefore, the safety of antidepressant drug exposure during pregnancy is based on evidence from case-control or cohort studies. Many of these observational studies, during the past decade, examined the risk of autism spectrum disorder (ASD) in exposed offspring. Different studies using different methods and examining different periods of antidepressant exposure before and during pregnancy obtained different results...
September 26, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28985203/cell-therapy-for-diverse-central-nervous-system-disorders-inherited-metabolic-diseases-and-autism
#5
REVIEW
Jessica M Sun, Joanne Kurtzberg
The concept of utilizing human cells for the treatment of medical conditions is not new. In its simplest form, blood product transfusion as treatment of severe hemorrhage has been practiced since the 1800s. The advent of hematopoietic stem cell transplantation (HSCT) began with the development of bone marrow transplantation for hematologic malignancies in the mid-1900s and is now standard of care for many hematologic disorders. In the past few decades, HSCT has expanded to additional sources of donor cells, a wider range of indications, and the development of novel cell products...
October 6, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28980151/epidemiology-diagnosis-and-treatment-of-cerebrotendinous-xanthomatosis-ctx
#6
REVIEW
Gerald Salen, Robert D Steiner
Cerebrotendinous xanthomatosis (CTX) is a rare autosomal recessive disorder of bile acid synthesis caused by mutations in the cytochrome P450 CYP27A1 gene that result in production of a defective sterol 27-hydroxylase enzyme. CTX is associated with abnormally high levels of cholestanol in the blood and accumulation of cholestanol and cholesterol in the brain, tendon xanthomas, and bile. Hallmark clinical manifestations of CTX include chronic diarrhea, bilateral cataracts, tendon xanthomas, and neurologic dysfunction...
October 4, 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/28972157/transcriptome-analysis-reveals-determinant-stages-controlling-human-embryonic-stem-cell-commitment-to-neuronal-cells
#7
Yuanyuan Li, Ran Wang, Nan Qiao, Guangdun Peng, Ke Zhang, Ke Tang, Jing-Dong J Han, Naihe Jing
Proper neural commitment is essential for ensuring the appropriate development of the human brain and for preventing neurodevelopmental diseases such as autism spectrum disorders, schizophrenia, and intellectual disorders. However, the molecular mechanisms underlying the neural commitment in humans remain elusive. Here, we report the establishment of a neural differentiation system based on human embryonic stem cells (hESCs) and on comprehensive RNA-Seq analysis of transcriptome dynamics during early hESC differentiation...
September 26, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28968683/a-systems-level-analysis-of-drug-target-disease-associations-for-drug-repositioning
#8
Kayleigh D Rutherford, Gaston K Mazandu, Nicola J Mulder
Drug repositioning is the process of finding new therapeutic uses for existing, approved drugs-a process thathas value when considering the exorbitant costs of novel drug development. Several computational strategies exist as a way to predict these alternative applications. In this study, we used datasets on: (1) human biological drug targets and (2) disease-associated genes and, based on a direct functional interaction between them, searched for potential opportunities for drug repositioning. From the set of 1125 unique drug targets and their 88 490 interactions with disease-associated genes, 30 drug targets were analyzed and (3) discussed in detail for the purpose of this article...
August 17, 2017: Briefings in Functional Genomics
https://www.readbyqxmd.com/read/28963040/beta-carotene-as-a-novel-therapy-for-the-treatment-of-autistic-like-behavior-in-animal-models-of-autism
#9
Yosefa Avraham, Elliot M Berry, Marina Donskoy, Wiessam Abu Ahmad, Lia Vorobiev, Amnon Albeck, David Mankuta
Autism-affected individuals are characterized by lower plasma oxytocin and its ectoenzyme regulator CD38. Oxytocin, a hypothalamic hormone secreted upon the release of CD38, plays a role in social behavior and bonding. All-trans retinoic acid is a potent inducer of CD38 and can be used as a novel therapeutic strategy in autism. We investigated the role of beta-carotene in rescuing autistic-like behavior in BALB/c and BTBR mice. Beta-carotene derivatives are preferred as they are neither toxic nor teratogenic...
September 26, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28955201/fragile-x-associated-diminished-ovarian-reserve-and-primary-ovarian-insufficiency-from-molecular-mechanisms-to-clinical-manifestations
#10
REVIEW
Limor Man, Jovana Lekovich, Zev Rosenwaks, Jeannine Gerhardt
Fragile X syndrome (FXS), is caused by a loss-of-function mutation in the FMR1 gene located on the X-chromosome, which leads to the most common cause of inherited intellectual disability in males and the leading single-gene defect associated with autism. A full mutation (FM) is represented by more than 200 CGG repeats within the FMR1 gene, resulting in FXS. A FM is inherited from women carrying a FM or a premutation (PM; 55-200 CGG repeats) allele. PM is associated with phenotypes distinct from those associated with FM...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28953961/parent-perceptions-of-the-quality-of-life-of-pet-dogs-living-with-neuro-typically-developing-and-neuro-atypically-developing-children-an-exploratory-study
#11
Sophie S Hall, Hannah F Wright, Daniel S Mills
There is growing scientific and societal recognition of the role that pet dogs can play in healthy development of children; both those who are neuro-typically developing and those who live with a neuro-developmental disorder, such as autism or attention deficit hyperactivity disorder. However, little attention has been paid to how living with children positively and negatively affects quality of life of a pet dog. In this exploratory study we conducted semi-structured interviews with parents of neuro-typically developing children (n = 18) and those with a neuro-developmental disorder (n = 18) who owned a pet dog, until no new factors were identified...
2017: PloS One
https://www.readbyqxmd.com/read/28941239/genetics-and-epigenetics-of-autism-review
#12
REVIEW
Mary Miu Yee Waye, Ho Yu Cheng
Autism is a developmental disorder that starts before age 3, and children with autism has impairment in both social interaction and communication, and has restricted, repetitive and stereotyped patterns of behavior, interests and activities. There is a strong heritable component of autism and autism spectrum disorder as studies have shown that parents who have a child with ASD have a 2-18% chance of having a second child with ASD. Since the prevalence of autism and autism spectrum disorders have been increasing during the last 3 decades, much research has been carried out to understand the etiology, so as to develop novel preventive and treatment strategies...
September 23, 2017: Psychiatry and Clinical Neurosciences
https://www.readbyqxmd.com/read/28925886/the-microbiota-gut-brain-axis-in-neuropsychiatric-disorders-pathophysiological-mechanisms-and-novel-treatments
#13
Yong-Ku Kim, Cheolmin Shin
BACKGROUND: The human gut microbiome comprise a huge number of microorganisms with co-evolutionary associations with humans. It has been repeatedly revealed that bidirectional communication exists between the brain and the gut and involves neural, hormonal, and immunological pathways. Evidences from neuroscience researches over the past few years suggest that microbiota is essential for the development and maturation of brain systems that are associated to stress responses. METHOD: This review provides that the summarization of the communication among microbiota, gut and brain and the results of preclinical and clinical studies on gut microbiota used in treatments for neuropsychiatric disorders...
September 15, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28913566/adar-rna-editing-in-human-disease-more-to-it-than-meets-the-i
#14
REVIEW
Angela Gallo, Dragana Vukic, David Michalík, Mary A O'Connell, Liam P Keegan
We review the structures and functions of ADARs and their involvements in human diseases. ADAR1 is widely expressed, particularly in the myeloid component of the blood system, and plays a prominent role in promiscuous editing of long dsRNA. Missense mutations that change ADAR1 residues and reduce RNA editing activity cause Aicardi-Goutières Syndrome, a childhood encephalitis and interferonopathy that mimics viral infection and resembles an extreme form of Systemic Lupus Erythmatosus (SLE). In Adar1 mouse mutant models aberrant interferon expression is prevented by eliminating interferon activation signaling from cytoplasmic dsRNA sensors, indicating that unedited cytoplasmic dsRNA drives the immune induction...
September 14, 2017: Human Genetics
https://www.readbyqxmd.com/read/28864911/the-effectiveness-of-aquatic-group-therapy-for-improving-water-safety-and-social-interactions-in-children-with-autism-spectrum-disorder-a-pilot-program
#15
Michele L Alaniz, Sheila S Rosenberg, Nicole R Beard, Emily R Rosario
Drowning is the number one cause of accidental death in children with Autism Spectrum Disorder (ASD). Few studies have examined the effectiveness of swim instruction for improving water safety skills in children with moderate to severe ASD. This study examines the feasibility and effectiveness of an aquatic therapy program on water safety and social skills in children with mild to severe ASD (n = 7). Water safety skills were evaluated using the Aquatics Skills Checklist and social skills were measured using the Social Skills Improvement Scale...
September 1, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28856504/symptoms-of-autism-spectrum-disorder-asd-in-individuals-with-mucopolysaccharide-disease-type-iii-sanfilippo-syndrome-a-systematic-review
#16
C Wolfenden, A Wittkowski, D J Hare
The prevalence of autism spectrum disorder (ASD) in many genetic disorders is well documented but not as yet in Mucopolysaccharidosis type III (MPS III). MPS III is a recessively inherited metabolic disorder and evidence suggests that symptoms of ASD present in MPS III. This systematic review examined the extant literature on the symptoms of ASD in MPS III and quality assessed a total of 16 studies. Results indicated that difficulties within speech, language and communication consistent with ASD were present in MPS III, whilst repetitive and restricted behaviours and interests were less widely reported...
August 30, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28856464/dosage-of-methylphenidate-and-traumatic-brain-injury-in-adhd-a-population-based-study-in-taiwan
#17
Yin-To Liao, Yao-Hsu Yang, Ting-Yu Kuo, Hsin-Yi Liang, Kuo-You Huang, Tsu-Nai Wang, Yena Lee, Roger S McIntyre, Vincent Chin-Hung Chen
Preventive effect of stimulants on the risk of brain injuries had been reported. The aim of this study is to determine the extent to which methylphenidate (MPH) prescription moderates the risk of traumatic brain injuries (TBI) in individuals with attention-deficit/hyperactivity disorder (ADHD). Individuals with a recent diagnosis of ADHD between January 1997 and December 2013 (n = 163,618) were identified from Taiwan's National Health Insurance Research Database. A total of 124,438 adolescents and children with ADHD and without prior TBI diagnoses were included and evaluated for subsequent TBI...
August 30, 2017: European Child & Adolescent Psychiatry
https://www.readbyqxmd.com/read/28852308/influence-of-gut-microbiota-on-neuropsychiatric-disorders
#18
REVIEW
María Carmen Cenit, Yolanda Sanz, Pilar Codoñer-Franch
The last decade has witnessed a growing appreciation of the fundamental role played by an early assembly of a diverse and balanced gut microbiota and its subsequent maintenance for future health of the host. Gut microbiota is currently viewed as a key regulator of a fluent bidirectional dialogue between the gut and the brain (gut-brain axis). A number of preclinical studies have suggested that the microbiota and its genome (microbiome) may play a key role in neurodevelopmental and neurodegenerative disorders...
August 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28838601/fetal-alcohol-spectrum-disorders-what-pediatric-providers-need-to-know
#19
Angela Nash, Leah Davies
Prenatal alcohol exposure is the cause of fetal alcohol spectrum disorders (FASDs), the prevalence of which is similar to that of other developmental disabilities like Down syndrome and autism. Children, adolescents, and adults who live with the disabilities associated with prenatal alcohol exposure face extraordinary challenges throughout their lives. Pediatric providers need to be able to identify patients with FASD because early recognition and intervention is known to improve life outcomes for affected individuals...
September 2017: Journal of Pediatric Health Care
https://www.readbyqxmd.com/read/28827761/copy-number-elevation-of-22q11-2-genes-arrests-the-developmental-maturation-of-working-memory-capacity-and-adult-hippocampal-neurogenesis
#20
S Boku, T Izumi, S Abe, T Takahashi, A Nishi, H Nomaru, Y Naka, G Kang, M Nagashima, A Hishimoto, S Enomoto, G Duran-Torres, K Tanigaki, J Zhang, K Ye, S Kato, P T Männistö, K Kobayashi, N Hiroi
Working memory capacity, a critical component of executive function, expands developmentally from childhood through adulthood. Anomalies in this developmental process are seen in individuals with autism spectrum disorder (ASD), schizophrenia and intellectual disabilities (ID), implicating this atypical process in the trajectory of developmental neuropsychiatric disorders. However, the cellular and neuronal substrates underlying this process are not understood. Duplication and triplication of copy number variants of 22q11...
August 22, 2017: Molecular Psychiatry
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