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"Sex differences", depression

Heba A Abdel Sadek, Mervat W Abu-Nazel, Zeinab N Shata, Nesrin K Abd El-Fatah
BACKGROUND: Although the relationship between obesity and depression has been researched extensively, the relation of the wide range of body-weight problems, as indicated by the BMI, to emotional health problems has received little attention. OBJECTIVES: To assess the rate of concomitant co-occurrence of emotional health and weight problems in Alexandria University students, and to investigate the relationship between their BMI and emotional status. PARTICIPANTS AND METHODS: A cross-sectional study was carried out on 842 university students (17-27 years), enrolled in four faculties of Alexandria University, Egypt, during the academic year 2012-2013...
September 2016: Journal of the Egyptian Public Health Association
Lauren B Alloy, Jessica L Hamilton, Elissa J Hamlat, Lyn Y Abramson
Adolescence marks the emergence of sex differences in internalizing symptoms and disorders, with girls at increased risk for depression and anxiety during the pubertal transition. However, the mechanisms through which puberty confers risk for internalizing psychopathology for girls, but not boys, remain unclear. We examined two pubertal indicators (pubertal status and timing) as predictors of the development of emotion regulation styles (rumination and emotional clarity) and depressive and anxiety symptoms and disorders in a three-wave study of 314 adolescents...
September 2016: Clinical Psychological Science
Adam L Beckman, Emily M Bucholz, Weiwei Zhang, Xiao Xu, Rachel P Dreyer, Kelly M Strait, John A Spertus, Harlan M Krumholz, Erica S Spatz
BACKGROUND: Financial barriers to health care are associated with worse outcomes following acute myocardial infarction (AMI). Yet, it is unknown whether the prevalence of financial barriers and their relationship with post-AMI outcomes vary by sex among young adults. METHODS AND RESULTS: We assessed sex differences in patient-reported financial barriers among adults aged <55 years with AMI using data from the Variation in Recovery: Role of Gender on Outcomes of Young AMI Patients study...
October 14, 2016: Journal of the American Heart Association
Brielle M Spataro, Sarah A Tilstra, Doris M Rubio, Melissa A McNeil
BACKGROUND: Burnout is a significant problem facing internal medicine residents contributing to increased risk of depression and suicidal ideation. Coping mechanisms and burnout may differ based on sex. METHODS: The study was a retrospective cross-sectional study of reported burnout and coping mechanisms used by internal medicine residents in June 2014 at a large academic center and its community affiliate. Two hundred eighty-five postgraduate year (PGY)-1, 2, 3, and 4 and incoming PGY-1 residents were surveyed...
October 12, 2016: Journal of Women's Health
Kimberly Rose P Singian, Morgan Price, Vicky Bungay, Sabrina T Wong
BACKGROUND: Parkinson disease is a complex neurodegenerative disorder, and a comorbidity of depression is common. We aimed to describe demographic and health characteristics of patients with Parkinson disease and examine sex differences in antidepressant prescriptions for those with comorbid depression using electronic medical records. METHODS: We analyzed Canadian Primary Care Sentinel Surveillance Network data for patients 18 years and older with a diagnosis of Parkinson disease who had at least 1 primary care encounter between Sep...
July 2016: CMAJ Open
Peng Liu, Bo Xing, Zheng Chu, Fei Liu, Gang Lei, Li Zhu, Ya Gao, Teng Chen, Yong-Hui Dang
Pain is a complex and subjective experience. Previous studies have shown that mice lacking the dopamine D3 receptor (D3RKO) exhibit hypoalgesia, indicating a role of the D3 receptor in modulation of nociception. Given that there are sex differences in pain perception, there may be differences in responses to nociceptive stimuli between male and female D3RKO mice. In the current study, we examined the role of the D3 receptor in modulating nociception in male and female D3RKO mice. Acute thermal pain was modeled by hot-plate test...
September 26, 2016: Journal of Neuroscience Research
Monique J Brown, Saba W Masho, Robert A Perera, Briana Mezuk, River A Pugsley, Steven A Cohen
HIV and other sexually transmitted infections (STIs) are important public health challenges in the US. Adverse childhood experiences (ACEs), including abuse (emotional, physical or sexual), witnessing violence among household members, may have an effect on sexual behaviors, which increase the risk of HIV/STIs. The aim of this study was to examine the sex differences in the role of posttraumatic stress disorder (PTSD), major depression (MD), substance use disorders (SUDs), early sexual debut, and intimate partner violence (IPV) perpetration as mediators in the association between ACEs and HIV/STIs...
September 29, 2016: AIDS and Behavior
Rachel Puralewski, Georgia Vasilakis, Marianne L Seney
BACKGROUND: Women are twice as likely to be diagnosed with major depressive disorder (MDD) compared to men, but the molecular mechanisms underlying this sex difference are unclear. Previous studies in the human postmortem brain suggest dysfunction in basolateral amygdala (BLA) inhibitory gamma-aminobutyric acid (GABA) signaling and brain-derived neurotrophic factor (BDNF) function, specifically in females with MDD. METHODS: We investigated the effects of sex chromosome complement, developmental gonadal sex, and circulating testosterone on expression of 3 GABA-related and 2 BDNF-related genes in the BLA using three cohorts of four core genotypes (FCG) mice...
2016: Biology of Sex Differences
Ahmad Delbari, Farzane Keyghobadi, Yadollah Abolfathi Momtaz, Fariba Keyghobadi, Reza Akbari, Houman Kamranian, Mohammad Shouride Yazdi, Sayed Shahaboddin Tabatabaei, Seyed-Mohammad Fereshtehnejad
BACKGROUND: A number of studies have explored the issue of sex differences in stroke from biomedical perspective; however, there are still large gaps in the existing knowledge. The purpose of this study was to assess whether the differences in socioeconomic status and living conditions between men and women may explain the part of the sex differences in incidence and outcomes of stroke. METHODS: All stroke participants aged ≥60 years admitted in Vaseie Hospital in Sabzevar, Iran, from March 21, 2013, until March 20, 2014, were included in this study...
2016: Clinical Interventions in Aging
Aishwarya Vijay, Shuo Wang, Patrick Worhunsky, Ming-Qiang Zheng, Nabeel Nabulsi, Jim Ropchan, Suchitra Krishnan-Sarin, Yiyun Huang, Evan D Morris
Opioid receptors may play critical roles in alcoholism and other addictions, addiction withdrawal, and depression and are considered pharmacological targets for treatment of these conditions. Sex differences have been demonstrated in mu (MOR) and delta (DOR) opioid receptors in humans, in vivo. In addition, sex differences have been observed in efficacy of treatment targeting kappa opioid receptors (KOR). Our goal in the present study was to compare the availability of KOR (1) between healthy control (HC) men and women...
2016: American Journal of Nuclear Medicine and Molecular Imaging
Abigail Powers, Lynn Almli, Alicia Smith, Adriana Lori, Jen Leveille, Kerry J Ressler, Tanja Jovanovic, Bekh Bradley
Emotion dysregulation has been implicated as a risk factor for many psychiatric conditions. Therefore, examining genetic risk associated with emotion dysregulation could help inform cross-disorder risk more generally. A genome-wide association study (GWAS) of emotion dysregulation using single nucleotide polymorphism (SNP) array technology was conducted in a highly traumatized, minority, urban sample (N = 2600, males = 774). Post-hoc analyses examined associations between SNPs identified in the GWAS and current depression, posttraumatic stress disorder (PTSD), and history of suicide attempt...
September 9, 2016: Journal of Psychiatric Research
Christina Wraw, Ian J Deary, Geoff Der, Catharine R Gale
BACKGROUND: Few cognitive epidemiology studies on mental health have focused on the links between pre-morbid intelligence and self-reports of common mental disorders, such as depression, sleep difficulties, and mental health status. The current study examines these associations in 50-year-old adults. METHODS: The study uses data from the 5793 participants in the National Longitudinal Survey of Youth 1979 cohort (NLSY-79) who responded to questions on mental health at age 50 and had IQ measured with the Armed Forces Qualification Test (AFQT) when they were aged between 15 and 23 years in 1980...
September 2016: Intelligence
Chanyi Lu, Yun Wang, Yun-Feng Zhang
Light sensory experience plays a crucial role in the regulation of mood, and light deficiency is considered as one important factor potentially leading to depression. Women are twice as likely as men to suffer from depression. However, the physiological mechanism underlying sex differences in the prevalence, incidence and morbidity risk of depression is still poorly understood. The potential causal relationship between sex dimorphic behavioral deficits and altered intrinsic electrophysiological properties of Layer V pyramidal cells (L5PCs) in the motor cortex was investigated using a mouse model with depression-like behavior that was induced by light deprivation...
September 14, 2016: Neuroscience Letters
Daniel J Davis, Patrick M Hecht, Eldin Jasarevic, David Q Beversdorf, Matthew J Will, Kevin Fritsche, Catherine H Gillespie
Dietary supplementation with the long-chain omega-3 polyunsaturated fatty acid docosahexaenoic acid (DHA) has been shown to have a beneficial effect on reducing the symptoms associated with several neuropsychiatric conditions including anxiety and depression. However, the mechanisms underlying this effect remain largely unknown. Increasing evidence suggests that the vast repertoire of commensal bacteria within the gut plays a critical role in regulating various biological processes in the brain and may contribute to neuropsychiatric disease risk...
September 9, 2016: Brain, Behavior, and Immunity
Lisa Mather, Victoria Blom, Gunnar Bergström, Pia Svedberg
Depression and anxiety are highly comorbid due to shared genetic risk factors, but less is known about whether burnout shares these risk factors. We aimed to examine whether the covariation between major depressive disorder (MDD), generalized anxiety disorder (GAD), and burnout is explained by common genetic and/or environmental factors. This cross-sectional study included 25,378 Swedish twins responding to a survey in 2005-2006. Structural equation models were used to analyze whether the trait variances and covariances were due to additive genetics, non-additive genetics, shared environment, and unique environment...
September 13, 2016: Twin Research and Human Genetics: the Official Journal of the International Society for Twin Studies
Nikita N Burke, Jonathan Coppinger, Daniel R Deaver, Michelle Roche, David P Finn, John Kelly
Depression is a debilitating psychiatric disorder that is highly comorbid with anxiety. Depression is twice as prevalent in women as in men, however, females remain underrepresented in preclinical research. The stress hyperresponsive Wistar-Kyoto (WKY) rat displays hypolocomotion in a novel aversive environment and depressive- and anxiety-like behaviours, which have been mostly characterised in males. The current study characterised behaviour in male and female rats in a battery of behavioural paradigms. Adult male and female WKY rats were tested in the open field and forced swim tests (tests with a locomotor component); and the marble burying, novelty-induced hypophagia and sucrose preference tests (tests with a minimal locomotor component) and 24h home-cage locomotor activity was also monitored...
August 31, 2016: Physiology & Behavior
Sophie C Schneider, Cynthia M Turner, Jonathan Mond, Jennifer L Hudson
OBJECTIVE: Body dysmorphic disorder typically begins in adolescence, yet little is known about the prevalence and correlates of the disorder in this age group. The current study aimed to explore the presenting features of adolescents meeting probable criteria for body dysmorphic disorder in a large community sample, and compare levels of comorbid psychopathology, quality of life and mental health service use between adolescents with probable body dysmorphic disorder and those without...
August 31, 2016: Australian and New Zealand Journal of Psychiatry
Nobuyuki Sakayori, Hisanori Tokuda, Kaichi Yoshizaki, Hiroshi Kawashima, Sheila M Innis, Hiroshi Shibata, Noriko Osumi
Omega-6 (n-6) and omega-3 (n-3) polyunsaturated fatty acids (PUFAs) are essential nutrients for normal brain development. The principal dietary n-6 and n-3 PUFAs are linoleic acid (LA) and α-linolenic acid (ALA), respectively, We have previously shown that maternal dietary imbalance between these PUFAs, i.e., rich in LA and poor in ALA, affected brain development and increased anxiety-related behavior in the mouse offspring. Here we further addressed sex difference in anxiety-related behavior in the offspring exposed to maternal LA:ALA imbalance...
2016: Tohoku Journal of Experimental Medicine
Karolina Wesołowska, Marko Elovainio, Mikael Koponen, Annukka M Tuiskula, Mirka Hintsanen, Liisa Keltikangas-Järvinen, Ilmari Määttänen, Heikki Swan, Taina Hintsa
We examined whether long QT syndrome (LQTS) mutation carrier status or symptomatic LQTS are associated with depression, and whether there are sex differences in these potential relationships. The sample comprised 782 participants (252 men). Of the 369 genetically defined LQTS mutation carriers, 169 were symptomatic and 200 were asymptomatic. The control group consisted of 413 unaffected relatives. Depression was assessed using the Beck Depression Inventory-II (BDI-II). No association was found for LQTS mutation carrier status with depression...
August 23, 2016: Journal of Genetic Counseling
Kimberly R Wiersielis, Brittany Wicks, Hannah Simko, Sarah R Cohen, Sabina Khantsis, Nausheen Baksh, David E Waxler, Debra A Bangasser
Hypersecretion of corticotropin releasing factor (CRF) is linked to the pathophysiology of major depression and post-traumatic stress disorder, disorders that are more common in women than men. Notably, preclinical studies have identified sex differences in CRF receptors that can increase neuronal sensitivity to CRF in female compared to male rodents. These cellular sex differences suggest that CRF may regulate brain circuits and behavior differently in males and females. To test this idea, we first evaluated whether there were sex differences in anxiety-related behaviors induced by the central infusion of CRF...
November 2016: Psychoneuroendocrinology
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