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Oxytocine attachement

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https://www.readbyqxmd.com/read/27903255/epigenetic-evidence-for-involvement-of-the-oxytocin-receptor-gene-in-obsessive-compulsive-disorder
#1
Carolina Cappi, Juliana Belo Diniz, Guaraci L Requena, Tiaya Lourenço, Bianca Cristina Garcia Lisboa, Marcelo Camargo Batistuzzo, Andrea H Marques, Marcelo Q Hoexter, Carlos A Pereira, Euripedes Constantino Miguel, Helena Brentani
BACKGROUND: Obsessive-compulsive disorder (OCD) is a chronic neurodevelopmental disorder that affects up to 3% of the general population. Although epigenetic mechanisms play a role in neurodevelopment disorders, epigenetic pathways associated with OCD have rarely been investigated. Oxytocin is a neuropeptide involved in neurobehavioral functions. Oxytocin has been shown to be associated with the regulation of complex socio-cognitive processes such as attachment, social exploration, and social recognition, as well as anxiety and other stress-related behaviors...
November 30, 2016: BMC Neuroscience
https://www.readbyqxmd.com/read/27895565/challenges-to-the-pair-bond-neural-and-hormonal-effects-of-separation-and-reunion-in-a-monogamous-primate
#2
Katie Hinde, Chelsea Muth, Nicole Maninger, Benjamin J Ragen, Rebecca H Larke, Michael R Jarcho, Sally P Mendoza, William A Mason, Emilio Ferrer, Simon R Cherry, Marina L Fisher-Phelps, Karen L Bales
Social monogamy at its most basic is a group structure in which two adults form a unit and share a territory. However, many socially monogamous pairs display attachment relationships known as pair bonds, in which there is a mutual preference for the partner and distress upon separation. The neural and hormonal basis of this response to separation from the adult pair mate is under-studied. In this project, we examined this response in male titi monkeys (Callicebus cupreus), a socially monogamous New World primate...
2016: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/27870403/sex-differences-in-social-cognition-the-case-of-face-processing
#3
Alice Mado Proverbio
Several studies have demonstrated that women show a greater interest for social information and empathic attitude than men. This article reviews studies on sex differences in the brain, with particular reference to how males and females process faces and facial expressions, social interactions, pain of others, infant faces, faces in things (pareidolia phenomenon), opposite-sex faces, humans vs. landscapes, incongruent behavior, motor actions, biological motion, erotic pictures, and emotional information. Sex differences in oxytocin-based attachment response and emotional memory are also mentioned...
January 2, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/27806925/effects-of-intranasal-oxytocin-on-emotion-regulation-in-insecure-adolescents-study-protocol-for-a-double-blind-randomized-controlled-trial
#4
Monika Szymanska, Carmela Chateau Smith, Julie Monnin, Patrice Andrieu, Frédérique Girard, Lucie Galdon, Marie Schneider, Lionel Pazart, Sylvie Nezelof, Lauriane Vulliez-Coady
BACKGROUND: Emotional dysregulation and impaired attachment are potential contributors to the development of psychopathology in adolescence. This raises the question of whether oxytocin (OT), the paradigmatic "attachment hormone," may be beneficial in such contexts. Recent evidence suggests that intranasal administration of OT increases affiliative behavior, including trust and empathy. OT may also facilitate social reciprocity by attenuating the stress response to interpersonal conflict...
November 2, 2016: JMIR Research Protocols
https://www.readbyqxmd.com/read/27793769/oxytocin-receptors-modulate-a-social-salience-neural-network-in-male-prairie-voles
#5
Zachary V Johnson, Hasse Walum, Yao Xiao, Paula C Riefkohl, Larry J Young
Social behavior is regulated by conserved neural networks across vertebrates. Variation in the organization of neuropeptide systems across these networks is thought to contribute to individual and species diversity in network function during social contexts. For example, oxytocin (OT) is an ancient neuropeptide that binds to OT receptors (OTRs) in the brain and modulates social and reproductive behavior across vertebrate species, including humans. Central OTRs exhibit extraordinarily diverse expression patterns that are associated with individual and species differences in social behavior...
October 26, 2016: Hormones and Behavior
https://www.readbyqxmd.com/read/27743766/genetic-variants-in-oxytocin-receptor-and-arginine-vasopressin-receptor-1a-are-associated-with-the-neural-correlates-of-maternal-and-paternal-affection-towards-their-child
#6
Shota Nishitani, Kazuya Ikematsu, Tsunehiko Takamura, Sumihisa Honda, Koh-Ichiro Yoshiura, Kazuyuki Shinohara
There is extensive evidence in animal studies, particularly in vole species (Microtus), that oxytocin (OT) receptor and arginine-vasopressin (AVP) receptor 1a is critical for the regulation of maternal and paternal behavior, respectively. Human studies have gained insight into the relationship between both hormone receptor gene variants and behavior, but not between the variants and the underlying brain activity. To study this, we investigated the association between neural activation of the anterior prefrontal cortex (APFC) in mothers and fathers in response to their child smiling video stimuli to induce the positive affect related to attachment with their child, and genetic variants of OT receptor (OXTR) and AVP receptor 1A (AVPR1A)...
October 13, 2016: Hormones and Behavior
https://www.readbyqxmd.com/read/27681779/-effect-of-oxytocin-on-human-pain-perception
#7
A-C Pfeifer, B Ditzen, E Neubauer, M Schiltenwolf
BACKGROUND: Over the years the effect of the neuropeptide oxytocin and its possible utilization for pain management has been increasingly more investigated and discussed. Initial results emphasized the effects of oxytocin with respect to labor and breastfeeding. Diverse animals studies were also able to demonstrate the effectiveness of the peptide in attachment behavior and pain perception; however, it is still unclear how oxytocin affects pain perception in humans. The potential therapeutic effectiveness of oxytocin could be particularly important for primary and secondary treatment of pain patients because chronification of pain can occur more frequently in this area...
October 2016: Der Schmerz
https://www.readbyqxmd.com/read/27538784/positive-social-interactions-in-a-lifespan-perspective-with-a-focus-on-opioidergic-and-oxytocinergic-systems-implications-for-neuroprotection
#8
Valentina Colonnello, Nicola Petrocchi, Marina Farinelli, Cristina Ottaviani
In recent years, a growing interest has emerged in the beneficial effects of positive social interactions on health. The present work aims to review animal and human studies linking social interactions and health throughout the lifespan, with a focus on current knowledge of the possible mediating role of opioids and oxytocin. During the prenatal period, a positive social environment contributes to regulating maternal stress response and protecting the fetus from exposure to maternal active glucocorticoids. Throughout development, positive social contact with the caregiver acts as a "hidden regulator" and promotes infant neuro affective development...
August 16, 2016: Current Neuropharmacology
https://www.readbyqxmd.com/read/27380172/methamphetamine-consumption-inhibits-pair-bonding-and-hypothalamic-oxytocin-in-prairie-voles
#9
Caroline M Hostetler, Tamara J Phillips, Andrey E Ryabinin
Methamphetamine (MA) abuse has been linked to violence, risk-taking behaviors, decreased sexual inhibition, and criminal activity. It is important to understand mechanisms underlying these drug effects for prevention and treatment of MA-associated social problems. Previous studies have demonstrated that experimenter-administered amphetamine inhibits pair bonding and increases aggression in monogamous prairie voles. It is not currently known whether similar effects on social behaviors would be obtained under conditions during which the drug is voluntarily (actively) administered...
2016: PloS One
https://www.readbyqxmd.com/read/27366554/management-of-neuraxial-anaesthesia-for-emergent-caesarean-section-for-placenta-previa
#10
Berrin Günaydın, Mertihan Kurdoğlu, İsmail Güler, Mehrnoosh Bashiri, Fırat Büyüktaşkın, Mine Dağgez Keleşoğlu, Gözde İnan
Abnormal placental attachments, such as placenta accreta, increta or percrata, can result in increased morbidity and mortality because of the risk of severe postpartum haemorrhage. We aimed to present the management of spinal anaesthesia and surgical approach for emergent caesarean section because of vaginal bleeding in a multiparous pregnant woman with placenta previa at 36 weeks' gestation. Hyperbaric bupivacaine 12 mg, fentanyl 10 μg and morphine 150 μg were intrathecally administered for spinal anaesthesia...
February 2016: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/27325757/epigenetic-modification-of-oxt-and-human-sociability
#11
Brian W Haas, Megan M Filkowski, R Nick Cochran, Lydia Denison, Alexandra Ishak, Shota Nishitani, Alicia K Smith
Across many mammalian species there exist genetic and biological systems that facilitate the tendency to be social. Oxytocin is a neuropeptide involved in social-approach behaviors in humans and others mammals. Although there exists a large, mounting body of evidence showing that oxytocin signaling genes are associated with human sociability, very little is currently known regarding the way the structural gene for oxytocin (OXT) confers individual differences in human sociability. In this study, we undertook a comprehensive approach to investigate the association between epigenetic modification of OXT via DNA methylation, and overt measures of social processing, including self-report, behavior, and brain function and structure...
July 5, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27159342/intranasal-oxytocin-selectively-modulates-social-perception-craving-and-approach-behavior-in-subjects-with-alcohol-use-disorder
#12
Jennifer M Mitchell, Peter A Arcuni, Dawn Weinstein, Josh D Woolley
OBJECTIVES: A pharmacotherapy that both improves social abilities and promotes abstinence may be particularly helpful for the treatment of alcohol use disorder. Recent clinical and preclinical evidence suggests that oxytocin has prosocial and antiaddiction effects. We performed a pilot, laboratory-based, preclinical trial of oxytocin in subjects with alcohol abuse (as per Diagnostic and Statistical Manual of Mental Disorders, 4 Edition criteria) to evaluate therapeutic potential and assess tolerability...
May 2016: Journal of Addiction Medicine
https://www.readbyqxmd.com/read/27109357/oxytocin-receptor-polymorphism-and-childhood-social-experiences-shape-adult-personality-brain-structure-and-neural-correlates-of-mentalizing
#13
H Schneider-Hassloff, B Straube, A Jansen, B Nuscheler, G Wemken, S H Witt, M Rietschel, T Kircher
INTRODUCTION: The oxytocin system is involved in human social behavior and social cognition such as attachment, emotion recognition and mentalizing (i.e. the ability to represent mental states of oneself and others). It is shaped by social experiences in early life, especially by parent-infant interactions. The single nucleotid polymorphism rs53576 in the oxytocin receptor (OXTR) gene has been linked to social behavioral phenotypes. METHOD: In 195 adult healthy subjects we investigated the interaction of OXTR rs53576 and childhood attachment security (CAS) on the personality traits "adult attachment style" and "alexithymia" (i...
July 1, 2016: NeuroImage
https://www.readbyqxmd.com/read/27064696/lower-oxytocin-plasma-levels-in-borderline-patients-with-unresolved-attachment-representations
#14
Andrea Jobst, Frank Padberg, Maria-Christine Mauer, Tanja Daltrozzo, Christine Bauriedl-Schmidt, Lena Sabass, Nina Sarubin, Peter Falkai, Babette Renneberg, Peter Zill, Manuela Gander, Anna Buchheim
Interpersonal problems and affective dysregulation are core characteristics of borderline personality disorder (BPD). BPD patients predominantly show unresolved attachment representations. The oxytocin (OT) system is associated with human social attachment and affiliative behavior, and OT dysregulation may be related to distinct attachment characteristics. Here, we investigated whether attachment representations are related to peripheral OT levels in BPD patients. Twenty-one female BPD patients and 20 age-, gender-, and education-matched healthy controls (HCs) were assessed with clinical scales and measures of interpersonal and attachment-related characteristics, including the Adult Attachment Projective Picture System (AAP)...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27059771/unusual-social-behavior-in-hpc-1-syntaxin1a-knockout-mice-is-caused-by-disruption-of-the-oxytocinergic-neural-system
#15
Tomonori Fujiwara, Masumi Sanada, Takefumi Kofuji, Kimio Akagawa
HPC-1/syntaxin1A (STX1A), a neuronal soluble N-ethylmaleimide-sensitive fusion attachment protein receptor, contributes to neural function in the CNS by regulating transmitter release. Recent studies reported that STX1A is associated with human neuropsychological disorders, such as autism spectrum disorder and attention deficit hyperactivity disorder. Previously, we showed that STX1A null mutant mice (STX1A KO) exhibit neuropsychological abnormalities, such as fear memory deficits, attenuation of latent inhibition, and unusual social behavior...
July 2016: Journal of Neurochemistry
https://www.readbyqxmd.com/read/27044074/bkca-channel-regulates-calcium-oscillations-induced-by-alpha-2-macroglobulin-in-human-myometrial-smooth-muscle-cells
#16
Monali Wakle-Prabagaran, Ramón A Lorca, Xiaofeng Ma, Susan J Stamnes, Chinwendu Amazu, Jordy J Hsiao, Celeste M Karch, Krzysztof L Hyrc, Michael E Wright, Sarah K England
The large-conductance, voltage-gated, calcium (Ca(2+))-activated potassium channel (BKCa) plays an important role in regulating Ca(2+)signaling and is implicated in the maintenance of uterine quiescence during pregnancy. We used immunopurification and mass spectrometry to identify proteins that interact with BKCain myometrium samples from term pregnant (≥37 wk gestation) women. From this screen, we identified alpha-2-macroglobulin (α2M). We then used immunoprecipitation followed by immunoblot and the proximity ligation assay to confirm the interaction between BKCaand both α2M and its receptor, low-density lipoprotein receptor-related protein 1 (LRP1), in cultured primary human myometrial smooth muscle cells (hMSMCs)...
April 19, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/26982874/intranasal-administration-of-oxytocin-modulates-behavioral-and-amygdala-responses-to-infant-crying-in-females-with-insecure-attachment-representations
#17
Madelon M E Riem, Marian J Bakermans-Kranenburg, Marinus H van IJzendoorn
The current study examined the effects of oxytocin administration on the response to infant crying in individuals with secure or insecure attachment representations as assessed with the Adult Attachment Interview. We measured feelings of irritation and the use of excessive force as indicated by grip strength using a handgrip dynamometer during exposure to infant crying in 42 women without children who were administered intranasal oxytocin or a placebo. In addition, amygdala responses to infant crying and control sounds were measured with functional magnetic resonance imaging (fMRI)...
2016: Attachment & Human Development
https://www.readbyqxmd.com/read/26960009/oxytocin-mediates-copulation-induced-hypoalgesia-of-male-rats
#18
Hiroko Futagami, Yasuo Sakuma, Yasuhiko Kondo
Copulatory behavior has been reported to raise the pain threshold in male rats. In this study, we examined the effect of copulatory behavior with or without ejaculation on pain threshold measured by electrical shock via an electrode attached to the tail. It was demonstrated that ejaculation is not necessary to raise the pain threshold in male rats. In addition, we examined whether oxytocin, a hypothalamic neuropeptide, was involved in copulation-induced hypoalgesia. Sexually experienced males were subjected to stereotaxic implantation of a guide cannula targeting the lateral ventricle...
April 8, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/26902915/affiliation-reward-and-immune-biomarkers-coalesce-to-support-social-synchrony-during-periods-of-bond-formation-in-humans
#19
Adi Ulmer-Yaniv, Ronit Avitsur, Yaniv Kanat-Maymon, Inna Schneiderman, Orna Zagoory-Sharon, Ruth Feldman
Social bonds are critical for survival and adaptation and periods of bond formation involve reorganization of neurobiological systems as mediated by social behavior. Theoretical accounts and animal studies suggest similarity between parent-infant and pair bonding, a hypothesis not yet directly tested in humans. In this study, we recruited three groups of human adults (N=189); parents who had their firstborn child in the last 4-6months, new lovers who began a romantic relationship within the past 4months, and non-attached singles...
August 2016: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/26893121/variation-in-the-oxytocin-receptor-gene-predicts-brain-region-specific-expression-and-social-attachment
#20
Lanikea B King, Hasse Walum, Kiyoshi Inoue, Nicholas W Eyrich, Larry J Young
BACKGROUND: Oxytocin (OXT) modulates several aspects of social behavior. Intranasal OXT is a leading candidate for treating social deficits in patients with autism spectrum disorder, and common genetic variants in the human OXTR gene are associated with emotion recognition, relationship quality, and autism spectrum disorder. Animal models have revealed that individual differences in Oxtr expression in the brain drive social behavior variation. Our understanding of how genetic variation contributes to brain OXTR expression is very limited...
July 15, 2016: Biological Psychiatry
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