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https://www.readbyqxmd.com/read/28293470/hypothalamic-pituitary-adrenal-axis-and-depression-symptom-effects-of-an-arginine-vasopressin-type-1b-receptor-antagonist-in-a-one-week-randomized-phase-1b-trial
#1
David A Katz, Charles Locke, Nicholas Greco, Wei Liu, Katherine A Tracy
BACKGROUND: Arginine vasopressin 1B receptor (V1B) antagonists may have utility for the treatment of major depressive disorder (MDD). METHODS: The V1B antagonist ABT-436 (N = 31) or matching placebo (N = 20) was administered to MDD subjects for 7 days. The main study objectives were to assess the safety and hypothalamic-pituitary-adrenal axis (HPA) effects of ABT-436 in MDD subjects. MDD symptoms were assessed using the 17-item Hamilton Depression Rating Scale (HAM-D-17) and the subject-rated Mood and Anxiety Symptom Questionnaire (MASQ)...
March 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28246062/epilepsy-with-myoclonic-atonic-seizures-and-chronic-cerebellar-symptoms-associated-with-antibodies-against-glutamate-receptors-n2b-and-d2-in-serum-and-cerebrospinal-fluid
#2
Ryuki Matsuura, Shin-Ichiro Hamano, Satoru Ikemoto, Yuko Hirata, Kotoko Suzuki, Kenjiro Kikuchi, Yukitoshi Takahashi
A 3-year-old boy with normal development presented with acute cerebellitis at one year and 10 months of age. His truncal ataxia resolved without treatment. He experienced a relapse of truncal ataxia and atonic seizures at 2 years and one month of age. Five months later, he experienced myoclonic atonic seizures. By 3 years of age, the truncal ataxia had become severe, and the frequency of myoclonic atonic seizures increased. Compared to controls, we found higher levels of anti-C-terminal GluN2B and anti-N terminal GluD2 antibodies in the serum, and anti-N terminal GluN2B and anti-C terminal GluD2 antibodies in the cerebrospinal fluid (CSF)...
February 27, 2017: Epileptic Disorders: International Epilepsy Journal with Videotape
https://www.readbyqxmd.com/read/28179626/hypothalamic-pituitary-adrenal-axis-dysregulation-and-double-product-increases-potentiate-ischemic-heart-disease-risk-in-a-black-male-cohort-the-sabpa-study
#3
Leoné Malan, Christiaan E Schutte, Ala'a Alkerwi, Saverio Stranges, Nicolaas T Malan
Emotional distress has been associated with a poorer prognosis in myocardial infarction patients. Elevated adrenocorticotrophic hormone (ACTH), lower cortisol, dehydroepiandrosterone sulfate (DHEAS) and cortisol:DHEAS, as measures of emotional distress, might correlate with silent myocardial ischemia (SMI) and workload. Thus, we assessed the relationship between emotional distress, SMI and double product (systolic blood pressure (SBP) × heart rate). Cross-sectional South African biethnic single-set cohorts (N=378), aged 44...
February 9, 2017: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/28065244/advances-in-evaluation-of-cognitive-impairment-in-patients-with-cushing-s-disease
#4
Wei-Yu Mao, Hui You, Bing Xing, Hui-Juan Zhu, Feng Feng
Cushing's disease (CD) is a relatively rare disease,characterized by pathological hypercortisolism secondary to excessive adrenocorticotrophic hormone that is secreted by pituitary adrenocorticotrophic hormone adenoma or hyperplasia. In addition to the typical clinical symptoms such as moon face,buffalo hump,and central obesity,the CD patients may also experience mental disorders and cognitive dysfunction. This review mainly focuses on the cognitive state of CD patients,the mechanisms of cognitive impairment caused by high cortisol levels,and the imaging findings (especially magnetic resonance imaging) for the evaluation of cognitive functions...
December 20, 2016: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/28064086/forced-swimming-induced-oxytocin-release-into-blood-and-brain-effects-of-adrenalectomy-and-corticosterone-treatment
#5
Luz Torner, Paul M Plotsky, Inga D Neumann, Trynke R de Jong
The oxytocin (OXT) system is functionally linked to the HPA axis in a reciprocal and complex manner. Certain stressors are known to cause the simultaneous release of OXT and adrenocorticotrophic hormone (ACTH) followed by corticosterone (CORT). Furthermore, brain OXT attenuates ACTH and CORT responses. Although there are some indications of CORT influencing OXT neurotransmission, specific effects of CORT on neurohypophyseal or intra-hypothalamic release of OXT have not been studied in detail. In the present set of experiments, adult male rats were adrenalectomized (ADX) or sham-operated and fitted with a jugular vein catheter and/or microdialysis probe targeting the hypothalamic paraventricular nucleus (PVN)...
December 16, 2016: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28009611/pituitary-adenomas-presenting-as-sinonasal-or-nasopharyngeal-masses-a-case-series-illustrating-potential-diagnostic-pitfalls
#6
Martin D Hyrcza, Shereen Ezzat, Ozgur Mete, Sylvia L Asa
We present a series of nonectopic pituitary adenomas presenting as polypoid sinonasal or nasopharyngeal masses. Thirteen cases diagnosed by biopsies from the nasal cavity, sinuses, or nasopharynx were identified from a series of 1288 surgical pituitary specimens. The patients included 5 men and 8 women ranging from 29 to 69 years of age. The presentations included nasal obstruction (4 cases), headaches (3), visual defects (2), recurrent nose bleeds (1), rhinorrhea (1), sepsis (1), fatigue (1), and hyperthyroidism (1)...
April 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28005049/-hormonal-treatment-in-west-syndrome
#7
E D Belousova, I V Shulyakova, T G Okhapkina
West syndrome is one of the most well-known epileptic encephalopathies, a catastrophic epilepsy syndrome with onset in the first year of life. Prognosis of this condition depends on the etiology and adequate treatment. The authors review the hormonal treatment of West syndrome. Adrenocorticotrophic hormone (ACTH) is used in USA and its synthetic analogue tetracosactide is used in Europe. Both of the drugs are not registered in the Russian Federation. The data on the efficacy of corticosteroids, including prednisolone, are contradictory...
2016: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/27999963/identification-of-an-endocannabinoid-system-in-the-rat-pars-tuberalis-a-possible-interface-in-the-hypothalamic-pituitary-adrenal-system
#8
Arsalan Jafarpour, Faramarz Dehghani, Horst-Werner Korf
Endocannabinoids (ECs) are ubiquitous endogenous lipid derivatives and play an important role in intercellular communication either in an autocrine/paracrine or in an endocrine fashion. Recently, an intrinsic EC system has been discovered in the hypophysial pars tuberalis (PT) of hamsters and humans. In hamsters, this EC system is under photoperiodic control and appears to influence the secretion of hormones such as prolactin from the adenohypophysis. We investigate the EC system in the PT of the rat, a frequently used species in endocrine research...
December 20, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27993552/new-pcos-like-phenotype-in-older-infertile-women-of-likely-autoimmune-adrenal-etiology-with-high-amh-but-low-androgens
#9
Norbert Gleicher, Vitaly A Kushnir, Sarah K Darmon, Qi Wang, Lin Zhang, David F Albertini, David H Barad
How anti-Müllerian hormone (AMH) and testosterone (T) interrelate in infertile women is currently largely unknown. We, therefore, in a retrospective cohort study investigated how infertile women with high-AMH (AMH ≥75th quantile; n=144) and with normal-AMH (25th-75th quantile; n=313), stratified for low-T (total testosterone ≤19.0ng/dL), normal-T (19.0-29.0ng/dL) and high-T (>29.0ng/dL) phenotypically behaved. Patient age, follicle stimulating hormone (FSH), dehyroepiandrosterone (DHEA), DHEA sulphate (DHEAS), cortisol (C), adrenocorticotrophic hormone (ACTH), IVF outcomes, as well as inflammatory and immune panels were then compared between groups, with AMH and T as variables...
March 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/27842549/acth-induced-stress-in-weaned-sows-impairs-lh-receptor-expression-and-steroidogenesis-capacity-in-the-ovary
#10
H S Zhu, Z Qian, H L Liu, E D Bao
BACKGROUND: Stress has been proved to impair the porcine reproduction soundly. Endocrine disruption, which is closely related to the persistent follicles, is possibly one of the results of stress, although the mechanism is unclear. Since the expression of luteinizing hormone receptor (LHR) in ovarian follicular wall and concentrations of steroid hormone in follicular fluid are related to the development of persistent follicles, this study is designed to evaluate the effect of administered adrenocorticotrophic hormone (ACTH) to weaned pigs on their ovarian steroidogenesis capacity and LHR expression...
November 14, 2016: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/27803375/pre-trilostane-and-three-hour-post-trilostane-cortisol-to-monitor-trilostane-therapy-in-dogs
#11
L Macfarlane, T Parkin, I Ramsey
It is recommended that trilostane therapy of canine hyperadrenocorticism is monitored using an ACTH stimulation test, however this has never been validated. Three cortisol concentrations (pre-trilostane, 3-hour posttrilostane and 1-hour post-ACTH stimulation) were compared to a clinical score obtained from an owner questionnaire. There were 110 sets of 3 cortisol measurements and questionnaires obtained from 67 trilostane treated dogs. Questionnaire results were used to classify each dog as well or unwell. Well dogs were then categorised as having excellent, moderate or poor hyperadrenocorticism control, using thresholds produced by 14 independent veterinarians...
December 10, 2016: Veterinary Record
https://www.readbyqxmd.com/read/27785749/revealing-the-neuroendocrine-response-after-remoxipride-treatment-using-multi-biomarker-discovery-and-quantifying-it-by-pk-pd-modeling
#12
Willem J van den Brink, Yin C Wong, Berfin Gülave, Piet H van der Graaf, Elizatbeth C M de Lange
To reveal unknown and potentially important mechanisms of drug action, multi-biomarker discovery approaches are increasingly used. Time-course relationships between drug action and multi-biomarker profiles, however, are typically missing, while such relationships will provide increased insight in the underlying body processes. The aim of this study was to investigate the effect of the dopamine D2 antagonist remoxipride on the neuroendocrine system. Different doses of remoxipride (0, 0.7, 5.2, or 14 mg/kg) were administered to rats by intravenous infusion...
January 2017: AAPS Journal
https://www.readbyqxmd.com/read/27775812/corticosteroids-for-guillain-barr%C3%A3-syndrome
#13
REVIEW
Richard Ac Hughes, Ruth Brassington, Angela A Gunn, Pieter A van Doorn
BACKGROUND: Guillain-Barré syndrome (GBS) is an acute paralysing disease caused by inflammation of the peripheral nerves, which corticosteroids would be expected to benefit. OBJECTIVES: To examine the ability of corticosteroids to hasten recovery and reduce the long-term morbidity from GBS. SEARCH METHODS: On 12 January 2016, we searched the Cochrane Neuromuscular Specialised Register, the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE, and Embase...
October 24, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27759634/delayed-diagnosis-with-autoimmune-polyglandular-syndrome-type-2-causing-acute-adrenal-crisis-a-case-report
#14
Xiaojing Wang, Fan Ping, Cuijuan Qi, Xinhua Xiao
BACKGROUND: Autoimmune polyglandular syndrome type 2 (APS-2), also known as Schmidt's syndrome, is an uncommon disorder characterized by the coexistence of Addison's disease with thyroid autoimmune disease and/or type 1 diabetes mellitus. Addison's disease as the obligatory component is potentially life-threatening. Unfortunately, the delayed diagnosis of Addison's disease is common owing to its rarity and the nonspecific clinical manifestation. METHODS: Here we reported a case of 38-year-old female patient who presented with 2 years' history of Hashimoto's thyroiditis and received levothyroxine replacement...
October 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27744612/follow-up-of-patients-with-adrenal-incidentaloma-in-accordance-with-the-european-society-of-endocrinology-guidelines-could-we-be-safe
#15
V Morelli, A Scillitani, M Arosio, I Chiodini
Recently, the European Society of Endocrinology (ESE) published new guidelines on the management of adrenal incidentalomas. At the same time Lopez and coworkers published on the Annals of Internal Medicine an important study showing that even patients with non-functioning adrenal tumors have an increased risk of incident diabetes. In consideration of previous data and of the results of the study of Lopez and coworkers, some points emerge from the ESE Guidelines that deserve attention. Firstly, it must be observed that the term "autonomous cortisol secretion," introduced by the ESE Panel in the place of the commonly used "subclinical hypercortisolism," seems questionable, since the guidelines do not suggest determining the adrenocorticotroph hormone levels that could give the certain proof of a truly autonomous cortisol secretion...
October 15, 2016: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/27725163/activation-of-ppar-%C3%AE-reduces-hpa-axis-activity-in-diabetic-rats-by-up-regulating-pi3k-expression
#16
Rafael Carvalho Torres, Nathalia Santos Magalhães, Patrícia M R E Silva, Marco A Martins, Vinicius F Carvalho
Increased hypothalamus-pituitary-adrenal axis (HPA) activity in diabetes is strongly associated with several morbidities noted in patients with the disease. We previously demonstrated that hyperactivity of HPA axis under diabetic conditions is associated with up-regulation of adrenocorticotrophic hormone (ACTH) receptors (MC2R) in adrenal and down-regulation of glucocorticoid receptors (GR and MR) in pituitary. This study investigates the role of peroxisome proliferator-activated receptor (PPAR)-γ in HPA axis hyperactivity in diabetic rats...
October 8, 2016: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/27708250/targeting-the-erk-pathway-for-the-treatment-of-cushing-s-disease
#17
Dongyun Zhang, Marvin Bergsneider, Marilene B Wang, Anthony P Heaney
We recently demonstrated that the orphan nuclear receptor testicular receptor 4 (TR4) is a potent regulator of corticotroph tumor growth and hormone secretion. The Ras/Raf/MEK/ERK pathway is commonly overactivated in human tumors and we have demonstrated that corticotroph tumor TR4 is activated by ERK1/2-mediated phosphorylation. We evaluated effects of MEK-162, a selective, non-ATP-competitive allosteric inhibitor of MEK1/2, on murine and human in vitro and in vivo corticotroph tumor proliferation and adrenocorticotrophic hormone (ACTH) secretion...
September 30, 2016: Oncotarget
https://www.readbyqxmd.com/read/27701894/whole-blood-samples-for-adrenocorticotrophic-hormone-measurement-can-be-stored-at-room-temperature-for-4%C3%A2-hours
#18
Mette Christensen, Rikke Fogt Madsen, Line Rosengreen Møller, Cindy Soendersoe Knudsen, Mie Hessellund Samson
INTRODUCTION: The aim of this study was to investigate and compare the stability of adrenocorticotrophic hormone (ACTH) in whole blood stored on ice and at room temperature for up to 48 hours. This study differs from previous studies by a larger data material. MATERIALS AND METHODS: EDTA-blood samples from 30 patients were collected, aliquoted and stored on ice or at room temperature for 0, 2, 4, 24, or 48 h before centrifugation, and the plasma was stored frozen until analysis...
December 2016: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/27697202/beyond-reproduction-pituitary-hormone-actions-on-bone
#19
T Yuen, L Sun, P Liu, H C Blair, M New, A Zallone, M Zaidi
The long-held belief that pituitary hormones act solely on master targets was first questioned when we documented G protein-coupled receptors for thyroid-stimulating hormone, follicle-stimulating hormone, adrenocorticotrophic hormone, oxytocin, and vasopressin on bone cells. These evolutionarily conserved hormones and their receptors are known to have primitive roles, and exist in invertebrate species as far down as coelenterates. It is not surprising therefore that each such hormone has multiple hitherto unrecognized functions in mammalian integrative physiology, and hence, becomes a potential target for therapeutic intervention...
2016: Progress in Molecular Biology and Translational Science
https://www.readbyqxmd.com/read/27696632/ground-transport-stress-affects-bacteria-in-the-rumen-of-beef-cattle-a-real-time-pcr-analysis
#20
Lixin Deng, Cong He, Yanwei Zhou, Lifan Xu, Huijun Xiong
Transport stress syndrome often appears in beef cattle during ground transportation, leading to changes in their capacity to digest food due to changes in rumen microbiota. The present study aimed to analyze bacteria before and after cattle transport. Eight Xianan beef cattle were transported over 1000 km. Rumen fluid and blood were sampled before and after transport. Real-time PCR was used to quantify rumen bacteria. Cortisol and adrenocorticotrophic hormone (ACTH) were measured. Cortisol and ACTH were increased on day 1 after transportation and decreased by day 3...
October 3, 2016: Animal Science Journal, Nihon Chikusan Gakkaihō
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