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https://www.readbyqxmd.com/read/28523529/s-nitrosylation-regulates-cell-survival-and-death-in-the-central-nervous-system
#1
Yoshiki Koriyama, Ayako Furukawa
Nitric oxide (NO), which is produced from nitric oxide synthase, is an important cell signaling molecule that is crucial for many physiological functions such as neuronal death, neuronal survival, synaptic plasticity, and vascular homeostasis. This diffusible gaseous compound functions as an effector or second messenger in many intercellular communications and/or cell signaling pathways. Protein S-nitrosylation is a posttranslational modification that involves the covalent attachment of an NO group to the thiol side chain of select cysteine residues on target proteins...
May 18, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28523433/structural-and-functional-roles-of-ether-lipids
#2
REVIEW
John M Dean, Irfan J Lodhi
Ether lipids, such as plasmalogens, are peroxisome-derived glycerophospholipids in which the hydrocarbon chain at the sn-1 position of the glycerol backbone is attached by an ether bond, as opposed to an ester bond in the more common diacyl phospholipids. This seemingly simple biochemical change has profound structural and functional implications. Notably, the tendency of ether lipids to form non-lamellar inverted hexagonal structures in model membranes suggests that they have a role in facilitating membrane fusion processes...
May 18, 2017: Protein & Cell
https://www.readbyqxmd.com/read/28523385/attention-deficit-hyperactivity-disorder-adhd-symptoms-in-children-adopted-from-poland-and-their-atypical-association-patterns-a-bayesian-approach
#3
Donna A de Maat, Sandra Knuiman, Catharina H A M Rijk, René A C Hoksbergen, Anneloes L van Baar
Although high rates of attention-deficit hyperactivity disorder (ADHD) symptoms have been observed among internationally adopted children, research on these symptoms in Polish adoptees is lacking. Therefore, we examined ADHD symptoms in Polish adoptees and their relationship to pre-adoptive risk factors, that is, time in institutional care, early deprivation, and prenatal alcohol exposure. We further compared the association patterns and gender distribution of ADHD symptoms in children adopted from Poland to those reported in the literature for ADHD symptoms in non-adopted children...
May 18, 2017: Journal of Abnormal Child Psychology
https://www.readbyqxmd.com/read/28521314/romantic-relationships-of-people-with-borderline-personality-a-narrative-review
#4
Sara Navarro-Gómez, Álvaro Frías, Carol Palma
BACKGROUND: Romantic relationships are one of the most interesting areas of interpersonal functioning in people with borderline personality. The aim of this narrative review was to synthesise empirical findings on this issue. SAMPLING AND METHODS: The PubMed and PsycINFO databases were searched for pertinent materials published between 1980 and March 2016. Thirty articles met the inclusion criteria. RESULTS: Several longitudinal and cross-sectional studies showed that people with borderline personality disorder (BPD) or BPD traits had more - but less prolonged - romantic relationships than people without BPD...
May 19, 2017: Psychopathology
https://www.readbyqxmd.com/read/28509394/room-temperature-oligomeric-discotic-nematic-liquid-crystals-over-a-wide-temperature-range-structure-property-relationships
#5
Santanu Kumar Pal, Monika Gupta, Santosh Prasad Gupta, Subhransu Sekhar Mohapatra, Surajit Dhara
Design and synthesis of three room-temperature discotic nematic (ND) liquid crystals (LCs) is presented consisting of an azobenzene core attached to which are four pentaalkynylbenzene (PA) units via flexible alkyl spacers. The presence of short azo linking group provides more disorder in the system, thereby reducing the packing efficiency among the PA units and resulting into the formation of a room-temperature ND phase over a wide temperature range. Dielectric constant and birefringence studies were performed to gain further insights into the physical properties of the mesophase...
May 16, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28507244/inhibition-of-staphylococcus-aureus-cell-wall-biosynthesis-by-desleucyl-oritavancin-a-quantitative-peptidoglycan-composition-analysis-by-mass-spectrometry
#6
James D Chang, Erin E Foster, Aanchal N Thadani, Alejandro J Ramirez, Sung Joon Kim
Oritavancin is a lipoglycopeptide antibiotic that exhibits potent activities against vancomycin-resistant Gram-positive pathogens. Oritavancin differs from vancomycin by a hydrophobic side chain attached to the drug disaccharide, which forms a secondary-binding site to enable oritavancin binding to the cross-linked peptidoglycan in cell wall. The mode of action of secondary-binding site was investigated by measuring the changes in the peptidoglycan composition of Staphylococcus aureus grown in presence of desleucyl-oritavancin at sub-inhibitory concentration using liquid chromatography-mass spectrometry (LC-MS)...
May 15, 2017: Journal of Bacteriology
https://www.readbyqxmd.com/read/28503141/addiction-as-an-attachment-disorder-white-matter-impairment-is-linked-to-increased-negative-affective-states-in-poly-drug-use
#7
Human-Friedrich Unterrainer, Michaela Hiebler-Ragger, Karl Koschutnig, Jürgen Fuchshuber, Sebastian Tscheschner, Maria Url, Jolana Wagner-Skacel, Eva Z Reininghaus, Ilona Papousek, Elisabeth M Weiss, Andreas Fink
Substance use disorders (SUD) have been shown to be linked to various neuronal and behavioral impairments. In this study, we investigate whether there is a connection between the integrity of white matter (WM) and attachment styles as well as different affective states including spirituality in a group of patients diagnosed for poly-drug use disorder (PUD) in comparison to non-clinical controls. A total sample of 59 right-handed men, comprising the groups of patients with PUD (n = 19), recreational drug-using individuals (RUC; n = 20) as well as non-drug using controls were recruited (NUC; n = 20)...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28502270/insecure-attachment-predicts-depression-and-death-anxiety-in-advanced-cancer-patients
#8
Katharina Scheffold, Rebecca Philipp, Susan Koranyi, Dorit Engelmann, Frank Schulz-Kindermann, Martin Härter, Anja Mehnert
OBJECTIVE: The prevalence of depression as well as adjustment and anxiety disorders is high in advanced cancer patients, and research exploring intraindividual factors leading to high psychological distress is underrepresented. Cancer patients' feelings about security and trust in their healthcare providers have a significant influence on how they deal with their disease. The perception of social support is affected by patients' attachment styles and influences their reactions to feelings of dependency and loss of control...
May 15, 2017: Palliative & Supportive Care
https://www.readbyqxmd.com/read/28502220/dynamic-assessment-of-visual-neglect-the-mobility-assessment-course-as-a-diagnostic-tool
#9
Antonia F Ten Brink, Johanna M A Visser-Meily, Tanja C W Nijboer
INTRODUCTION: Visual neglect is a frequent disorder following stroke and is often diagnosed by neuropsychological assessment. However, paper-and-pencil tasks have low predictive value as they lack sensitivity to capture neglect in complex, dynamic situations, such as activities of daily living. Aims of the current study were to assess the feasibility of the Mobility Assessment Course (MAC), a visual search multitask, to assess neglect, and its relation with existing neglect tasks. METHOD: Stroke patients admitted for inpatient rehabilitation and healthy controls were tested with the MAC in different corridors...
May 14, 2017: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/28501506/defective-neuronal-migration-and-inhibition-of-bipolar-to-multipolar-transition-of-migrating-neural-cells-by-mesoderm-specific-transcript-mest-in-the-developing-mouse-neocortex
#10
Liting Ji, Kausik Bishayee, Ali Sadra, Seunghyuk Choi, Wooyul Choi, Sungho Moon, Eek-Hoon Jho, Sung-Oh Huh
Brain developmental disorders such as lissencephaly can result from faulty neuronal migration and differentiation during the formation of the mammalian neocortex. The cerebral cortex is a modular structure, where developmentally, newborn neurons are generated as a neuro-epithelial sheet and subsequently differentiate, migrate and organize into their final positions in the cerebral cortical plate via a process involving both tangential and radial migration. The specific role of Mest, an imprinted gene, in neuronal migration has not been previously studied...
May 10, 2017: Neuroscience
https://www.readbyqxmd.com/read/28500976/personality-disparity-in-chronic-regional-and-widespread-pain
#11
Mei-Chung Chang, Po-Fei Chen, For-Wey Lung
Chronic pain has high comorbidity with psychiatric disorders, therefore, better understanding of the relationship between chronic pain and mental illness is needed. This study aimed to investigate the pathway relationships among parental attachment, personality characteristics, alexithymic trait and mental health in patients with chronic widespread pain, those with chronic regional pain, and controls. Two hundred and thirty participants were recruited. The parental Bonding Inventory, Eysenck Personality Inventory (EPI), 20-item Toronto Alexithymia Scale (TAS-20), Chinese Health Questionnaire, and Short-Form 36 were filled out...
April 27, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28497401/using-a-film-intervention-in-early-addiction-treatment-a-qualitative-analysis-of-process
#12
Ingerid Elgesem Bjelland, Ayna Johansen, Farnad Darnell, Håvar Brendryen
PURPOSE: There is a need for knowledge about how self-help materials can be made useful in treatment for Substance Abuse Disorders (SUD), as a supplement to ongoing treatment, or as independent tools for change. OBJECTIVE: In this study, we explored the use of self-help films in early addiction treatment, taking into account both patient and therapist perspectives, as well as dyadic functions. We explored how active mechanisms might be related to intervention format and implementation context...
May 11, 2017: International Journal of Behavioral Medicine
https://www.readbyqxmd.com/read/28496420/impaired-maintenance-of-interpersonal-synchronization-in-musical-improvisations-of-patients-with-borderline-personality-disorder
#13
Katrien Foubert, Tom Collins, Jos De Backer
Borderline personality disorder (BPD) is a serious and complex mental disorder with a lifetime prevalence of 5.9%, characterized by pervasive difficulties with emotion regulation, impulse control, and instability in interpersonal relationships and self-image. Impairments in interpersonal functioning have always been a prominent characteristic of BPD, indicating a need for research to identify the specific interpersonal processes that are problematic for diagnosed individuals. Previous research has concentrated on self-report questionnaires, unidirectional tests, and experimental paradigms wherein the exchange of social signals between individuals was not the focus...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28496375/revisiting-the-etiological-aspects-of-dissociative-identity-disorder-a-biopsychosocial-perspective
#14
REVIEW
Vedat Şar, Martin J Dorahy, Christa Krüger
Dissociative identity disorder (DID) is a chronic post-traumatic disorder where developmentally stressful events in childhood, including abuse, emotional neglect, disturbed attachment, and boundary violations are central and typical etiological factors. Familial, societal, and cultural factors may give rise to the trauma and/or they may influence the expression of DID. Memory and the construction of self-identity are cognitive processes that appear markedly and centrally disrupted in DID and are related to its etiology...
2017: Psychology Research and Behavior Management
https://www.readbyqxmd.com/read/28496296/a-systematic-review-of-the-literature-on-parenting-of-young-children-with-visual-impairments-and-the-adaptions-for-video-feedback-intervention-to-promote-positive-parenting-vipp
#15
REVIEW
Ellen G C van den Broek, Ans J P M van Eijden, Mathilde M Overbeek, Sabina Kef, Paula S Sterkenburg, Carlo Schuengel
Secure parent-child attachment may help children to overcome the challenges of growing up with a visual or visual-and-intellectual impairment. A large literature exists that provides a blueprint for interventions that promote parental sensitivity and secure attachment. The Video-feedback Intervention to promote Positive Parenting (VIPP) is based on that blueprint. While it has been adapted to several specific at risk populations, children with visual impairment may require additional adjustments. This study aimed to identify the themes that should be addressed in adapting VIPP and similar interventions...
2017: Journal of Developmental and Physical Disabilities
https://www.readbyqxmd.com/read/28493408/monoubiquitination-joins-polyubiquitination-as-an-esteemed-proteasomal-targeting-signal
#16
REVIEW
Ido Livneh, Yelena Kravtsova-Ivantsiv, Ori Braten, Yong Tae Kwon, Aaron Ciechanover
A polyubiquitin chain attached covalently to the target substrate has been recognized for long as the "canonical" proteasomal degradation signal. However, several proteins have been shown to be targeted for degradation following monoubiquitination, indicating that the proteasome can recognize signals other than a ubiquitin polymer. A comprehensive screen aiming at determining the extent of this mode of recognition revealed that ∼40% of mammalian and ∼20% of yeast proteins are degraded following monoubiquitination...
May 11, 2017: BioEssays: News and Reviews in Molecular, Cellular and Developmental Biology
https://www.readbyqxmd.com/read/28492979/ethnic-identity-acculturation-and-12-month-psychiatric-service-utilization-among-black-and-hispanic-adults-in-the-u-s
#17
Inger Burnett-Zeigler, Yuri Lee, Kipling M Bohnert
A cross-sectional study design was used to examine the associations of ethnic identity, acculturation, and psychiatric service utilization among Wave 2 respondents of the National Epidemiologic Survey on Alcohol Related Conditions with 12-month psychiatric disorders who self-identified as Black (6587, 19%) and Hispanic (6359, 18%). Weighted multivariable regression analyses were conducted to examine the relationships between ethnic identity, acculturation, and 12-month psychiatric service utilization. Stronger ethnic identity was associated with decreased odds of using psychiatric services among Black (AOR = 0...
May 10, 2017: Journal of Behavioral Health Services & Research
https://www.readbyqxmd.com/read/28488365/insecure-attachment-and-maladaptive-schema-in-disordered-eating-the-mediating-role-of-rejection-sensitivity
#18
Tara De Paoli, Matthew Fuller-Tyszkiewicz, Isabel Krug
AIM: The current study aimed to assess insecure attachment and the disconnection and rejection domain of maladaptive schema in the context of disordered eating. Rejection sensitivity (RS) was proposed as a mediator between maladaptive schema and disordered eating. METHOD: The sample consisted of 108 female participants with a lifetime eating disorder diagnosis and 508 female control participants. Participants were asked to complete a number of self-report measures related to insecure attachment (anxious and avoidant), maladaptive schema (emotional deprivation, abandonment, mistrust, social isolation, and defectiveness), RS (interpersonal and appearance-based), and disordered eating...
May 9, 2017: Clinical Psychology & Psychotherapy
https://www.readbyqxmd.com/read/28486915/3d-in-vitro-models-of-early-pregnancy-how-to-choose-the-right-scaffolding-material
#19
Damián Muzzio, María Lucía Foglia, Martin Federico Desimone, Marek Zygmunt
Following fertilization, the blastocyst has to complete two distinct steps to assure further development of pregnancy. After apposition it establishes a firm connection with the luminal epithelium of the endometrium (attachment) and subsequently enters the decidualizing stroma (invasion). If this step is not achieved successfully, fertility problems arise. Development of the placenta ensures an adequate supply of nutrients and gas between the mother and the fetus. Preeclampsia is a prevalent disorder arising from defects in the process of placentation...
May 8, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28482609/combining-nt3-overexpressing-mscs-and-plga-microcarriers-for-brain-tissue-engineering-a-potential-tool-for-treatment-of-parkinson-s-disease
#20
Hanieh Moradian, Hamid Keshvari, Hamidreza Fasehee, Rassoul Dinarvand, Shahab Faghihi
Parkinson's disease (PD) is a progressive neurodegenerative disorder that characterized by destruction of substantia nigrostriatal pathway due to the loss of dopaminergic (DA) neurons. Regardless of substantial efforts for treatment of PD in recent years, an effective therapeutic strategy is still missing. In a multidisciplinary approach, bone marrow derived mesenchymal stem cells (BMSCs) are genetically engineered to overexpress neurotrophin-3 (nt-3 gene) that protect central nervous system tissues and stimulates neuronal-like differentiation of BMSCs...
July 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
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