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https://www.readbyqxmd.com/read/29222984/suicidal-behaviour-is-associated-with-decreased-esterified-cholesterol-in-plasma-and-membrane-fluidity-of-platelets
#1
Boby Mathew, Krishnamachari Srinivasan, Johnson Pradeep, Tinku Thomas, Amit Kumar Mandal
BACKGROUND: Altered cholesterol levels in body fluids and brain tissues have been shown to be associated with suicidal behaviour, violence and aggression. But the biological underpinnings of this association in the pathophysiology of suicide are not clear. Cholesterol plays a crucial role in maintaining the cellular membrane fluidity and alterations in cellular membrane fluidity may impair serotonergic neurotransmission in the central nervous system. METHODS: We measured plasma esterified cholesterol and platelet membrane fluidity using fluorescence anisotropy and estimated flow activation energy which is a measure of order of membrane lipid bilayer in patients with recent suicidal attempt and compared with age and gender matched controls...
December 2, 2017: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/29222023/regional-brain-gray-matter-changes-in-adolescents-with-single-ventricle-heart-disease
#2
Sadhana Singh, Rajesh Kumar, Bhaswati Roy, Mary A Woo, Alan Lewis, Nancy Halnon, Nancy Pike
Adolescents with single ventricle heart disease (SVHD) show autonomic, mood, and cognitive deficits, indicating aberrations in brain areas that regulate these functions. However, the gray matter integrity in autonomic, mood, and cognitive control sites is unclear. We examined regional brain gray matter changes, using high-resolution T1-weighted images (3.0-T magnetic resonance scanner) with voxel based morphometry procedures, as well as mood and cognitive functions in SVHD (n=18; age, 15.7±1.1years; male, 10) and controls (n=31; age, 16...
December 6, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/29220069/traumatic-brain-injury-profile-of-an-elderly-population-in-puerto-rico
#3
Jose A Fernández-Abinader, Karolyn González-Colón, Caleb E Feliciano, Ana María Mosquera-Soler
OBJECTIVE: Describe the types of traumatic brain injury secondary to falls sustained by the members of an elderly population who received services at the Puerto Rico Medical Center and the demographic profile of that population. METHODS: A group of 332 adults (60 years and over) assessed for traumatic brain injury secondary to falls suffered in 2013 were included in the analysis. The cases were retrieved from the computerized database of the Neurosurgery Section...
December 2017: Puerto Rico Health Sciences Journal
https://www.readbyqxmd.com/read/29218753/neuronal-responses-to-the-scratching-and-caressing-of-one-s-own-skin-in-patients-with-skin-picking-disorder
#4
Anne Schienle, Sonja Übel, Albert Wabnegger
Skin-picking disorder (SPD) is a common mental disorder. The predominant symptom involves the repeated scratching and picking of one's own skin. This behavior causes severe tissue damage (sores, scars, and infections), often leading to disfigurement. Besides physical injury, SPD is associated with clinically significant distress and impairment in important areas of functioning. The neurobiological mechanisms of SPD are still poorly understood. In this study, 30 SPD patients and 31 control participants (35 women, 26 men) with a mean age of 34 years were instructed to either scratch or gently stroke a small skin area on their arms during functional magnetic resonance imaging...
December 7, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/29217259/gender-differences-in-anomalous-subcortical-morphology-for-children-with-adhd
#5
Yanpei Wang, Qinfang Xu, Shuting Li, Gen Li, Chenyi Zuo, Shuirong Liao, Yang Long, Shan Li, R Malatesha Joshi
Although studies showed subtle reductions in brain volume in fronto-striatial regions in children with ADHD, there have been limited investigations of volume and lateralizaton in subcortical structures and a paucity of exploration of the influence of gender on these findings. This study aims to examine morphology of subcortical structures and their association with ADHD symptoms in boys and girls as compared to their typically-developing (TD) peers. One hundred and eighty five children aged 7-14 years with and without ADHD were included from ADHD-200 Consortium...
December 4, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/29216786/a-study-of-single-nucleotide-polymorphisms-in-cd157-aim2-and-jarid2-genes-in-han-chinese-children-with-autism-spectrum-disorder
#6
Weiming Mo, Jun Liu, Zengyu Zhang, Hong Yu, Aiping Yang, Fei Qu, Pingfang Hu, Zhuo Liu, Fengpei Hu
PURPOSE: Autism spectrum disorder (ASD) is a group of developmental brain disorders caused by genetic and environmental factors. The objective of this study was to investigate whether single nucleotide polymorphisms (SNPs) in genes related to immune function were associated with ASD in Chinese Han children. MATERIALS AND METHODS: A total of 201 children with ASD and 200 age- and gender-matched healthy controls were recruited from September 2012 to June 2106. A TaqMan probe-based approach was used to genotype SNPs corresponding to rs28532698 and rs4301112 in CD157, rs855867 in AIM2, and rs2237126 in JARID2...
December 7, 2017: Nordic Journal of Psychiatry
https://www.readbyqxmd.com/read/29211317/neurobiology-of-gender-identity-and-sexual-orientation
#7
REVIEW
Charles E Roselli
Sexual identity and sexual orientation are independent components of a person's sexual identity. These dimensions are most often in harmony with each other and with an individual's genital sex, but not always. This review discusses the relationship of sexual identity and sexual orientation to prenatal factors that act to shape the development of the brain and the expression of sexual behaviors in animals and humans. One major influence discussed relates to organizational effects that the early hormone environment exerts on both gender identity and sexual orientation...
December 6, 2017: Journal of Neuroendocrinology
https://www.readbyqxmd.com/read/29209687/high-risk-of-brain-tumors-in-military-personnel-a-case-control-study
#8
P Fallahi, G Elia, R Foddis, A Cristaudo, A Antonelli
Scientific literature suggests a relationship between military occupation and the development of brain tumors, but no italian study has investigated on the impact of this job on the brain cancer morbidity. In this a study information were obtained from patients recruited in the Neurosurgical Department of the University-Hospital of Pisa, Italy, from 1990 to 1999. The study has been conducted as a case-control study. 161, newly diagnosed cases of brain tumors (glioma and meningiomas, histologically confirmed), were recruited, such as 483 controls (with other non tumoral neurologic diseases: trauma, hemorrhagic brain disorders, aneurism, etc), by matching cases and controls (1:3), for age (± 5 years) and gender...
November 2017: La Clinica Terapeutica
https://www.readbyqxmd.com/read/29209434/vitamin-d-in-the-prevention-prediction-and-treatment-of-neurodegenerative-and-neuroinflammatory-diseases
#9
REVIEW
Priscilla Koduah, Friedemann Paul, Jan-Markus Dörr
Vitamin D research has gained increased attention in recent times due to its roles beyond bone health and calcium homeostasis, such as immunomodulation. In some parts of the brain and on immune cells, vitamin D hydroxylating enzymes and its receptors are located. Epidemiological evidence demonstrates that deficiency of Vitamin D is relevant for disease risk and course in multiple sclerosis (MS) and presumably also in neuromyelitis optica spectrum disorders (NMOSD), Parkinson's disease (PD), and Alzheimer's disease (AD)...
December 2017: EPMA Journal
https://www.readbyqxmd.com/read/29209238/disrupted-control-related-functional-brain-networks-in-drug-naive-children-with-attention-deficit-hyperactivity-disorder
#10
Jiejie Tao, Xueyan Jiang, Xin Wang, Huiru Liu, Andan Qian, Chuang Yang, Hong Chen, Jiance Li, Qiong Ye, Jinhui Wang, Meihao Wang
Attention-deficit/hyperactivity disorder (ADHD) is a common neurodevelopmental disease featuring executive control deficits as a prominent neuropsychological trait. Executive functions are implicated in multiple sub-networks of the brain; however, few studies examine these sub-networks as a whole in ADHD. By combining resting-state functional MRI and graph-based approaches, we systematically investigated functional connectivity patterns among four control-related networks, including the frontoparietal network (FPN), cingulo-opercular network, cerebellar network, and default mode network (DMN), in 46 drug-naive children with ADHD and 31 age-, gender-, and intelligence quotient-matched healthy controls (HCs)...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/29209202/neural-basis-of-enhanced-executive-function-in-older-video-game-players-an-fmri-study
#11
Ping Wang, Xing-Ting Zhu, Zhigang Qi, Silin Huang, Hui-Jie Li
Video games have been found to have positive influences on executive function in older adults; however, the underlying neural basis of the benefits from video games has been unclear. Adopting a task-based functional magnetic resonance imaging (fMRI) study targeted at the flanker task, the present study aims to explore the neural basis of the improved executive function in older adults with video game experiences. Twenty video game players (VGPs) and twenty non-video game players (NVGPs) of 60 years of age or older participated in the present study, and there are no significant differences in age (t = 0...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/29209069/transcranial-direct-current-stimulation-of-the-medial-prefrontal-cortex-dampens-mind-wandering-in-men
#12
Elena Bertossi, Ludovica Peccenini, Andrea Solmi, Alessio Avenanti, Elisa Ciaramelli
Mind-wandering, the mind's capacity to stray from external events and generate task-unrelated thought, has been associated with activity in the brain default network. To date, little is understood about the contribution of individual nodes of this network to mind-wandering. Here, we investigated the role of medial prefrontal cortex (mPFC) in mind-wandering, by perturbing this region with transcranial direct current stimulation (tDCS). Young healthy participants performed a choice reaction time task both before and after receiving cathodal tDCS over mPFC, and had their thoughts periodically sampled...
December 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29208355/usage-of-prophylactic-cranial-irradiation-in-elderly-patients-with-small-cell-lung-cancer
#13
Ronald A M Damhuis, Suresh Senan, Jose S Belderbos
BACKGROUND: Prophylactic cranial irradiation (PCI) reduces the risk of overt brain metastases in patients with small-cell lung cancer (SCLC) and is currently recommended in guidelines for both limited and extensive disease. Given the concerns about the greater frequency of neurologic side effects in elderly patients, we studied the association among age, PCI usage, and survival for SCLC patients in the Netherlands. PATIENTS AND METHODS: Data from the Netherlands Cancer Registry for patients diagnosed with SCLC from 2009 to 2013 were queried...
November 21, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/29207804/an-evaluation-of-dental-crowding-in-relation-to-the-mesiodistal-crown-widths-and-arch-dimensions-in-southern-indian-population
#14
Partha Jyoti Das, Winniecia Dkhar, Abhimanyu Pradhan
Introduction: With the advancement in imaging technology, 3D dental computed tomography plays a very significant role in orthodontic treatment and diagnosis. Aim: To evaluate dental crowding in relation to the mesiodistal crown widths and arch dimensions and also to determine the differences of dental crowding among males and females, in Southern Indian population. Materials and Methods: A total of 132 subjects were divided into two groups: crowded and non-crowded, each comprising 66 subjects (33 males and 33 females), aged between 15 and 35 years, who were referred for computed tomography scan of brain to the radiology department, were selected...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29205071/impact-of-helmet-use-in-equestrian-related-traumatic-brain-injury-a-matched-pairs-analysis
#15
Georg Bier, Malte N Bongers, Ahmed Othman, Johann-Martin Hempel, Volker Vieth, Walter Heindel, Ulrike Ernemann, Matthias C Burg
PURPOSE: Traumatic brain injury is an important health concern in equestrian sports. Nevertheless, the use of safety helmets, especially in recreational riding, is reported to be rare. The purpose of this study was to perform the first matched-pairs analysis of traumatic brain injury with regard to the use of helmets. MATERIALS AND METHODS: In a multicenter retrospective database analysis 40 patients (mean age: 35 ± 17.13 years; 34 female & 6 male) were combined in 20 matched pairs based on age group, gender and trauma mechanism...
December 5, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/29204019/histologically-confirmed-intracranial-tumors-managed-at-enugu-nigeria
#16
Chika Anele Ndubuisi, Samuel C Ohaegbulam, Linda U Iroegbu, Mike Ezeali Ekuma, Wilfred C Mezue, Uwadiegwu Alphonsus Erechukwu
Background: There is controversy about the global distribution of intracranial tumors (ICTs). The previous reports from Africa suggested low frequency and different pattern of distribution of brain tumors from what obtains in other continents. The limitations at that time, including paucity of diagnostic facilities and personnel, have improved. Objective: The objective of this study is to analyze the current trend and distribution of histology confirmed brain tumors managed in Enugu, in a decade...
October 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29203908/relationship-between-body-mass-and-ambulatory-blood-pressure-comparison-with-office-blood-pressure-measurement-and-effect-of-treatment
#17
Stacy W Baird, Zhezhen Jin, Kazue Okajima, Cesare Russo, Joseph E Schwartz, Mitchell S V Elkind, Tatjana Rundek, Shunichi Homma, Ralph L Sacco, Marco R Di Tullio
Epidemiologic studies assessing the relationship between blood pressure (BP), body mass, and cardiovascular events have primarily been based on office BP measurements, and few data are available in the elderly. The aim of the present study was to evaluate the relationship between body mass index (BMI) and BP values obtained by ambulatory blood pressure monitoring (ABPM) as compared to office BP measurements, and the effect of anti-hypertensive treatment on the relationship. The study population consisted of 813 subjects participating in the cardiovascular abnormalities and brain lesions (CABL) study who underwent 24-h ABPM...
December 4, 2017: Journal of Human Hypertension
https://www.readbyqxmd.com/read/29202745/the-association-of-n-terminal-pro-brain-type-natriuretic-peptide-with-hemodynamics-and-functional-capacity-in-therapy-naive-precapillary-pulmonary-hypertension-results-from-a-cohort-study
#18
T M Berghaus, J Kutsch, C Faul, W von Scheidt, M Schwaiblmair
BACKGROUND: N-terminal pro-brain-type natriuretic peptide (NT-proBNP) is currently used as a surrogate marker for disease severity in pulmonary hypertension (PH). However, NT-proBNP tends to have a high variability and may insufficiently correlate with hemodynamics and exercise capacity. METHODS: To investigate the association of NT-proBNP with hemodynamics and cardio-pulmonary exercise testing (CPET) in 84 therapy-naive patients with precapillary PH. RESULTS: NT-proBNP levels were significantly correlated with hemodynamics and CPET parameters except for cardiac index, diffusion capacity, PaO2 at peak exercise, and peak minute ventilation...
December 4, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29202545/mmp9-gene-expression-variation-by-ingesting-tart-cherry-and-p-coumaric-acid-during-remyelination-in-the-cuprizone-mouse-model
#19
Newshan Behrangi, Nabiyollah Namvar, Mitra Ataei, Sakineh Dizaji, Golshid Javdani, Mahommad Hossein Sanati
Matrix metalloproteinase-9 (GELB) as a member of gelatinases plays key role in the destruction of blood-brain barrier (BBB), T cells migration into the CNS, and demyelination induction. Considering remyelination induction in response to tart cherry extract and pure p-coumaric acid ingestion via tracking MMP9 gene expression in the cuprizone mouse model. Firstly, predicting the chemical interaction between p-coumaric acid and MMP9 protein was conducted through PASS and Swiss dock web services. Next, the content of p-coumaric acid in the tart cherry extract was analyzed by HPLC...
September 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/29196732/human-crmp4-mutation-and-disrupted-crmp4-expression-in-mice-are-associated-with-asd-characteristics-and-sexual-dimorphism
#20
Atsuhiro Tsutiya, Yui Nakano, Emily Hansen-Kiss, Benjamin Kelly, Masugi Nishihara, Yoshio Goshima, Don Corsmeier, Peter White, Gail E Herman, Ritsuko Ohtani-Kaneko
Autism spectrum disorders (ASD) are more common among boys than girls. The mechanisms responsible for ASD symptoms and their sex differences remain mostly unclear. We previously identified collapsin response mediator protein 4 (CRMP4) as a protein exhibiting sex-different expression during sexual differentiation of the hypothalamic sexually dimorphic nucleus. This study investigated the relationship between the sex-different development of autistic features and CRMP4 deficiency. Whole-exome sequencing detected a de novo variant (S541Y) of CRMP4 in a male ASD patient...
December 1, 2017: Scientific Reports
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