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https://www.readbyqxmd.com/read/28080901/cerebellar-and-mesencephalon-neoplasia-in-a-nile-hipoppotamus-hippopotamus-amphibious
#1
Francesca Schiaffino, Samantha J Sander, Marcia E Pereira Bacares, Katie J Barnes, Matti Kiupel, Timothy Walsh, Suzan Murray
A 52-yr-old female Nile hippopotamus ( Hippopotamus amphibious ) was presented for acute onset anorexia, depression, lethargy, instability, and weakness in the pelvic limbs. Clinical signs were rapidly progressive, despite empiric therapy with anti-inflammatory medications, resulting in the death of the animal. Gross necropsy evaluation revealed two tan, firm masses in the cerebellum and mesencephalon and a single mass in the right cranial adrenal gland. All three masses had a similar histologic morphology, and immunohistochemical investigation confirmed the general diagnosis of an adenocarcinoma, but the exact cell of origin remains unclear...
December 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28077306/the-interaction-of-dietary-isoflavones-and-estradiol-replacement-on-behavior-and-brain-derived-neurotrophic-factor-in-the-ovariectomized-rat
#2
Ashley L Russell, Jamie Moran Grimes, Darwin O Larco, Danette F Cruthirds, Joanna Westerfield, Lawren Wooten, Margaret Keil, Michael J Weiser, Michael R Landauer, Robert J Handa, T John Wu
Phytoestrogens are plant derived, non-steroidal compounds naturally found in rodent chows that potentially have endocrine-disrupting effects. Isoflavones, the most common phytoestrogens, have a similar structure and molecular weight to 17β-estradiol (E2) and have the ability to bind and activate both isoforms of the estrogen receptor (ER). Most isoflavones have a higher affinity for ERβ, which is involved in sexually dimorphic behavioral regulation. The goal of this study was to examine the interaction of isoflavones and E2 presence in the OVX rat on anxiety- and depressive- like behavior and the related BDNF pathophysiology...
January 8, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28030789/the-ssri-fluoxetine-exhibits-mild-effects-on-the-reproductive-axis-in-the-cichlid-fish-cichlasoma-dimerus-teleostei-cichliformes
#3
Luciana S Dorelle, Rodrigo H Da Cuña, Graciela Rey Vázquez, Christian Höcht, Akio Shimizu, Griselda Genovese, Fabiana L Lo Nostro
Among the wide variety of pharmaceuticals released into the environment, Fluoxetine (FLX), a selective serotonin reuptake inhibitor, is one of the most prescribed for the treatment of major depression. It inhibits serotonin (5-HT) reuptake at the presinaptic membrane, increasing serotonergic activity. In vertebrates, including fish, the serotonergic system is closely related to the Hypothalamic Pituitary Gonadal (HPG) axis which regulates reproduction. As FLX can act as an endocrine disrupting compound (EDC) by affecting several reproductive parameters in fish, the aim of this study was to provide an integral assessment of the potential effect of FLX on the reproductive axis of the Neotropical freshwater fish Cichlasoma dimerus...
December 25, 2016: Chemosphere
https://www.readbyqxmd.com/read/28025458/adverse-effects-of-maternal-exposure-to-bisphenol-f-on-the-anxiety-and-depression-like-behavior-of-offspring
#4
Naoko Ohtani, Hidetomo Iwano, Koshi Suda, Erika Tsuji, Kentaro Tanemura, Hiroki Inoue, Hiroshi Yokota
Bisphenol A (BPA), a well-known endocrine disruptor, is metabolized and eliminated rapidly from the body in adult animals. However, many authors have reported that perinatal BPA exposure alters development of the brain, reproductive system and behavior in the next generation. Recently, BPA substitutes, especially bisphenol F (BPF), have been used because of concerns about the influence of BPA on children, although the actual effects on the next generation are unknown. In this study, we observed behavioral adverse effects of the offspring of mice exposed to BPA or BPF in fetal period...
December 25, 2016: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28017851/immediate-and-delayed-anxiety-and-depression-like-profiles-in-the-adolescent-wistar-kyoto-rat-model-of-endogenous-depression-following-postweaning-social-isolation
#5
Reshma A Shetty, Monika Sadananda
In order to understand links that exist between inherited risk or predisposition, brain and behavioural development, endocrine regulation and social/environmental stimuli, animal models are crucial. The Wistar-Kyoto (WKY) rat has been shown to have validity as a model of adult and adolescent depression. While sex- and age-specific differences in some of the face, predictive and construct validities of the model such as depression-like behaviours have been established, anhedonia and anxiety using other induced anxiety paradigms such as elevated plus maze remain equivocal...
December 23, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27956741/role-of-the-adipose-ppar%C3%AE-adiponectin-axis-in-susceptibility-to-stress-and-depression-anxiety-related-behaviors
#6
M Guo, C Li, Y Lei, S Xu, D Zhao, X-Y Lu
Adaptive responses to stressful stimuli involving behavioral, emotional and metabolic changes are orchestrated by the nervous and endocrine systems. Adipose tissue has been recognized as a highly active metabolic and endocrine organ, secreting adipokines that operate as hormones to mediate the crosstalk with other organs including the brain. The role of adipose tissue in sensing and responding to emotional stress and in behavioral regulation, however, remains largely unknown. The nuclear receptor peroxisome proliferator-activated receptor gamma (PPARγ) is a key transcriptional factor controlling adipokine gene expression...
December 13, 2016: Molecular Psychiatry
https://www.readbyqxmd.com/read/27955897/orexins-mediate-sex-differences-in-the-stress-response-and-in-cognitive-flexibility
#7
Laura A Grafe, Amanda Cornfeld, Sandra Luz, Rita Valentino, Seema Bhatnagar
BACKGROUND: Women are twice as likely as men to experience stress-related psychiatric disorders. The biological basis of these sex differences is poorly understood. Orexins are altered in anxious and depressed patients. Using a rat model of repeated stress, we examined whether orexins contribute to sex differences in outcomes relevant to stress-related psychiatric diseases. METHODS: Behavioral, neural, and endocrine habituation to repeated restraint stress and subsequent cognitive flexibility was examined in adult male and female rats...
October 18, 2016: Biological Psychiatry
https://www.readbyqxmd.com/read/27935822/adipose-tissue-in-control-of-metabolism
#8
REVIEW
Liping Luo, Meilian Liu
Adipose tissue plays a central role in regulating whole-body energy and glucose homeostasis through its subtle functions at both organ and systemic levels. On one hand, adipose tissue stores energy in the form of lipid and controls the lipid mobilization and distribution in the body. On the other hand, adipose tissue acts as an endocrine organ and produces numerous bioactive factors such as adipokines that communicate with other organs and modulate a range of metabolic pathways. Moreover, brown and beige adipose tissue burn lipid by dissipating energy in the form of heat to maintain euthermia, and have been considered as a new way to counteract obesity...
December 2016: Journal of Endocrinology
https://www.readbyqxmd.com/read/27924137/exercise-induced-stress-behavior-gut-microbiota-brain-axis-and-diet-a-systematic-review-for-athletes
#9
REVIEW
Allison Clark, Núria Mach
Fatigue, mood disturbances, under performance and gastrointestinal distress are common among athletes during training and competition. The psychosocial and physical demands during intense exercise can initiate a stress response activating the sympathetic-adrenomedullary and hypothalamus-pituitary-adrenal (HPA) axes, resulting in the release of stress and catabolic hormones, inflammatory cytokines and microbial molecules. The gut is home to trillions of microorganisms that have fundamental roles in many aspects of human biology, including metabolism, endocrine, neuronal and immune function...
2016: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/27916659/stronger-hypothalamus-pituitary-adrenal-axis-habituation-predicts-lesser-sensitization-of-inflammatory-response-to-repeated-acute-stress-exposures-in-healthy-young-adults
#10
Myriam V Thoma, Danielle Gianferante, Luke Hanlin, Alexander Fiksdal, Xuejie Chen, Nicolas Rohleder
Effective adjustment of the stress systems to repeated stress is regarded as an adaptive response of the organism facing environmental threats. Given the intertwined relationship between the stress systems and the inflammatory system, it could be expected that inflammatory processes should adapt to repeated stress as well. However, only little is known about adaptational processes of the different components of the immune system in response to repeated stress, and how these might be related to adaptational processes of the hypothalamus-pituitary-adrenal (HPA) axis...
December 1, 2016: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/27913877/oxidative-stress-in-drug-na%C3%A3-ve-first-episode-patients-with-schizophrenia-and-major-depression-effects-of-disease-acuity-and-potential-confounders
#11
Wolfgang Jordan, Henrik Dobrowolny, Sabine Bahn, Hans-Gert Bernstein, Tanja Brigadski, Thomas Frodl, Berend Isermann, Volkmar Lessmann, Jürgen Pilz, Andrea Rodenbeck, Kolja Schiltz, Edzard Schwedhelm, Hayrettin Tumani, Jens Wiltfang, Paul C Guest, Johann Steiner
Oxidative stress and immune dysregulation have been linked to schizophrenia and depression. However, it is unknown whether these factors are related to the pathophysiology or whether they are an epiphenomenon. Inconsistent oxidative stress-related findings in previous studies may have resulted from the use of different biomarkers which show disparate aspects of oxidative stress. Additionally, disease severity, medication, smoking, endocrine stress axis activation and obesity are potential confounders. In order to address some of these shortcomings, we have analyzed a broader set of oxidative stress biomarkers in our exploratory study, including urinary 8-iso-prostaglandin F2α (8-iso-PGF2α), 8-OH-2-deoyxguanosine (8-OH-2-dG), and blood levels of malondialdehyde (MDA), superoxide dismutase (SOD) and glutathione S-transferase (GST) in acutely ill drug-naïve first episode patients with schizophrenia (n = 22), major depression (n = 18), and controls (n = 43)...
December 2, 2016: European Archives of Psychiatry and Clinical Neuroscience
https://www.readbyqxmd.com/read/27910808/magnesium-and-depression
#12
Anna Serefko, Aleksandra Szopa, Ewa Poleszak
Magnesium is one of the most important elements in the human body and is involved in a number of biochemical processes crucial for the proper functioning of the cardiovascular, alimentary, endocrine, and osteoarticular systems. It also plays a vital modulatory role in brain biochemistry, influencing several neurotransmission pathways associated with the development of depression. Personality changes, including apathy, depression, agitation, confusion, anxiety, and delirium are observed when there is a deficiency of this element...
March 1, 2016: Magnesium Research: Official Organ of the International Society for the Development of Research on Magnesium
https://www.readbyqxmd.com/read/27891086/circuits-regulating-pleasure-and-happiness-mechanisms-of-depression
#13
Anton J M Loonen, Svetlana A Ivanova
According to our model of the regulation of appetitive-searching vs. distress-avoiding behaviors, the motivation to display these essential conducts is regulated by two parallel cortico-striato-thalamo-cortical, re-entry circuits, including the core and the shell parts of the nucleus accumbens, respectively. An entire series of basal ganglia, running from the caudate nucleus on one side, to the centromedial amygdala on the other side, controls the intensity of these reward-seeking and misery-fleeing behaviors by stimulating the activity of the (pre)frontal and limbic cortices...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27886849/prevalence-and-burden-of-comorbidities-in-chronic-obstructive-pulmonary-disease
#14
REVIEW
Alexandru Corlateanu, Serghei Covantev, Alexander G Mathioudakis, Victor Botnaru, Nikolaos Siafakas
The classical definition of Chronic Obstructive Pulmonary Disease (COPD) as a lung condition characterized by irreversible airway obstruction is outdated. The systemic involvement in patients with COPD, as well as the interactions between COPD and its comorbidities, justify the description of chronic systemic inflammatory syndrome. The pathogenesis of COPD is closely linked with aging, as well as with cardiovascular, endocrine, musculoskeletal, renal, and gastrointestinal pathologies, decreasing the quality of life of patients with COPD and, furthermore, complicating the management of the disease...
November 2016: Respiratory Investigation
https://www.readbyqxmd.com/read/27871720/-guidelines-for-the-prescription-of-mood-stabilizers-for-adolescents-a-literature-review
#15
G Munch, N Godart
INTRODUCTION: Adolescence is a unique phase of the human developmental process. In adolescents, psychotropic medications may have different efficacy and tolerance profiles compared to those at other stages of the lifespan. Mood stabilizers are a complex pharmacological category including lithium, some anticonvulsants, and some second generation antipsychotics. Focusing on this class of pharmacological agents, we aim to answer the following questions: in which indications and according to which modalities should mood stabilizers be prescribed during adolescence? METHODS: Information was sought from the websites of the French Haute Autorité de santé (HAS) and Agence nationale de sécurité du médicament et des produits de santé (ANSM), the American Food and Drug Administration (FDA) and the British National Institute for Health and Clinical Excellence (NICE)...
November 18, 2016: L'Encéphale
https://www.readbyqxmd.com/read/27870443/sex-differences-in-depression-during-pregnancy-and-the-postpartum-period
#16
REVIEW
Inger Sundström Poromaa, Erika Comasco, Marios K Georgakis, Alkistis Skalkidou
Women have a lifetime risk of major depression double that of men but only during their reproductive years. This sex difference has been attributed partially to activational effects of female sex steroids and also to the burdens of pregnancy, childbirth, and parenting. Men, in contrast, have a reproductive period difficult to delineate, and research on the mental health of men has rarely considered the effects of fatherhood. However, the couple goes through a number of potentially stressing events during the reproductive period, and both mothers and fathers are at risk of developing peripartum depression...
January 2, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/27867873/prevalence-and-predictors-of-depression-and-anxiety-in-patients-of-diabetes-mellitus-in-a-tertiary-care-center
#17
Rajesh Rajput, Pratibha Gehlawat, Deepak Gehlan, Rajiv Gupta, Meena Rajput
BACKGROUND: Diabetes is one of the most common chronic diseases and affects virtually every organ of the human system. Depression and anxiety is common among patients with diabetes and associated with worse diabetes outcomes. AIMS AND OBJECTIVE: To study the prevalence and predictors of depression and anxiety in patients of Type 2 diabetes mellitus (T2DM) in Pt. B.D. Sharma, PGIMS, Rohtak, Haryana, India, a tertiary care center in Northern India. MATERIALS AND METHODS: Four hundred ten consecutive patients having T2DM and 410 healthy controls matched for age and sex attending the endocrine out-patient department of a tertiary care center of Northern India were included in the study...
November 2016: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27843346/the-danish-prostate-cancer-database
#18
REVIEW
Mary Nguyen-Nielsen, Søren Høyer, Søren Friis, Steinbjørn Hansen, Klaus Brasso, Erik Breth Jakobsen, Mette Moe, Heidi Larsson, Mette Søgaard, Anne Nakano, Michael Borre
AIM OF DATABASE: The Danish Prostate Cancer Database (DAPROCAdata) is a nationwide clinical cancer database that has prospectively collected data on patients with incident prostate cancer in Denmark since February 2010. The overall aim of the DAPROCAdata is to improve the quality of prostate cancer care in Denmark by systematically collecting key clinical variables for the purposes of health care monitoring, quality improvement, and research. STUDY POPULATION: All Danish patients with histologically verified prostate cancer are included in the DAPROCAdata...
2016: Clinical Epidemiology
https://www.readbyqxmd.com/read/27835715/ziprasidone-augmentation-of-escitalopram-for-major-depressive-disorder-cardiac-endocrine-metabolic-and-motoric-effects-in-a-randomized-double-blind-placebo-controlled-study
#19
David Mischoulon, Richard C Shelton, Lee Baer, William V Bobo, Laura Curren, Maurizio Fava, George I Papakostas
OBJECTIVE: To examine motoric, cardiovascular, endocrine, and metabolic effects of adjunctive ziprasidone in adults with major depressive disorder (MDD) and prior nonresponse to 8 weeks of open-label escitalopram. METHODS: A multicenter, parallel, randomized, double-blind, placebo-controlled trial was conducted at 3 US academic medical centers from July 2008 to October 2013. Recruited were 139 outpatients with persistent DSM-IV MDD following an 8-week open-label trial of escitalopram...
November 8, 2016: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/27824308/-comorbidity-of-psychiatric-disorders-and-the-characteristics-of-the-therapy-of-the-hospitalized-patients
#20
Balazs Mora, Laszlo Peter
The aim of our retrospective study was to evaluate the diagnostic and therapeutic characteristics of 100 patients who were admitted in our psychiatric department from an index date. Previous investigation showed high prevalence of comorbidity in patients with psychiatric disorders. The most common psychiatric comorbidities included dementia (20%), alcohol dependence (14%) and unipolar depression (8%). The presence of somatic diseases was also high (73%), including cardiovascular (55%), endocrine (30%), neurological (17%), and gastroenterological (16 %) comorbid disorders...
September 2016: Neuropsychopharmacologia Hungarica
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