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https://www.readbyqxmd.com/read/28511867/social-housing-and-social-isolation-impact-on-stress-indices-and-energy-balance-in-male-and-female-syrian-hamsters-mesocricetus-auratus
#1
Amy P Ross, Alisa Norvelle, Dennis C Choi, James C Walton, H Elliott Albers, Kim L Huhman
Although Syrian hamsters are thought to be naturally solitary, recent evidence from our laboratory demonstrates that hamsters may actually prefer social contact. Hamsters increase their preference for a location associated with an agonistic encounter regardless of whether they have "won" or "lost". It has also been reported that social housing as well as exposure to intermittent social defeat or to a brief footshock stressor increase food intake and body mass in hamsters. By contrast, it has also been suggested that housing hamsters in social isolation causes anxiety-induced anorexia and reductions in body mass selectively in females...
May 13, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28459107/a-genomic-atlas-of-human-adrenal-and-gonad-development
#2
Ignacio Del Valle, Federica Buonocore, Andrew J Duncan, Lin Lin, Martino Barenco, Rahul Parnaik, Sonia Shah, Mike Hubank, Dianne Gerrelli, John C Achermann
BACKGROUND: In humans, the adrenal glands and gonads undergo distinct biological events between 6-10 weeks post conception (wpc), such as testis determination, the onset of steroidogenesis and primordial germ cell development. However, relatively little is currently known about the genetic mechanisms underlying these processes. We therefore aimed to generate a detailed genomic atlas of adrenal and gonad development across these critical stages of human embryonic and fetal development...
April 7, 2017: Wellcome Open Research
https://www.readbyqxmd.com/read/28450850/cholecystokinin-from-local-gut-hormone-to-ubiquitous-messenger
#3
REVIEW
Jens F Rehfeld
Cholecystokinin (CCK) was discovered in 1928 in jejunal extracts as a gallbladder contraction factor. It was later shown to be member of a peptide family, which are all ligands for the CCK1 and CCK2 receptors. CCK peptides are known to be synthetized in small intestinal endocrine I-cells and cerebral neurons. But in addition, CCK is expressed in several endocrine glands (pituitary cells, thyroid C-cells, pancreatic islets, the adrenals, and the testes); in peripheral nerves; in cortical and medullary kidney cells; in cardial myocytes; and in cells of the immune system...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28433565/inhibitory-effects-of-pine-nodule-extract-and-its-component-sj-2-on-acetylcholine-induced-catecholamine-secretion-and-synthesis-in-bovine-adrenal-medullary-cells
#4
Xiaojia Li, Takafumi Horishita, Yumiko Toyohira, Hui Shao, Jie Bai, Haixia Bo, Xinbo Song, Shin Ishikane, Yukari Yoshinaga, Noriaki Satoh, Masato Tsutsui, Nobuyuki Yanagihara
Extract of pine nodules (matsufushi) formed by bark proliferation on the surface of trees of Pinus tabulaeformis or Pinus massoniana has been used as an analgesic for joint pain, rheumatism, neuralgia, dysmenorrhea and other complaints in Chinese traditional medicine. Here we report the effects of matsufushi extract and its components on catecholamine secretion and synthesis in cultured bovine adrenal medullary cells. We found that matsufushi extract (0.0003-0.005%) and its component, SJ-2 (5-hydroxy-3-methoxy-trans-stilbene) (0...
April 2017: Journal of Pharmacological Sciences
https://www.readbyqxmd.com/read/28421812/the-frequency-of-incidental-findings-and-subsequent-evaluation-in-low-dose-ct-scans-for-lung-cancer-screening
#5
Lillie Morgan, Humberto Choi, Michal Reid, Ali Khawaja, Peter J Mazzone
RATIONALE: The USPSTF recommends lung cancer screening with low-dose chest CT scans (LDCT) for a well-defined high-risk population. Data on the frequency and impact of incidental findings on LDCT scans performed within a centralized lung cancer screening program has not been reported. OBJECTIVES: Previous studies have reported IFs in the setting of clinical trials. We present our findings in a real clinical setting where the decision to manage these findings may depend on factors that are not captured in a research trial such as disclosing IFs, patient preferences, severity of comorbidities, and physician expertise...
April 19, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28407855/corrigendum-to-reducing-treatments-in-cattle-superovulation-protocols-by-combining-a-pituitary-extract-with-a-5-hyaluronan-solution-is-it-able-to-diminish-activation-of-the-hypothalamic-pituitary-adrenal-axis-compared-to-the-traditional-protocol-theriogenology
#6
Andrea Biancucci, Tatiana Sbaragli, Antonella Comin, Lakamy Sylla, Maurizio Monaci, Tanja Peric, Giuseppe Stradaioli
No abstract text is available yet for this article.
May 2017: Theriogenology
https://www.readbyqxmd.com/read/28393656/punicalagin-reduces-h2o2-induced-cytotoxicity-and-apoptosis-in-pc12-cells-by-modulating-the-levels-of-reactive-oxygen-species
#7
Maria Elisabetta Clementi, Giovambattista Pani, Beatrice Sampaolese, Giuseppe Tringali
BACKGROUND: Oxidative stress has long been linked to neuronal cell death in many neurodegenerative diseases. Antioxidant conventional supplements are poorly effective in preventing neuronal damage caused by oxidative stress due to their inability to cross the blood brain barrier. Hence the use of molecules extracted from plants and fruits such as phenolics, flavonoids, and terpenoids compounds constitute a new wave of antioxidant therapies to defend against free radicals. OBJECTIVE: In this study we examined the effects of punicalagin, a ellagitannin isolated from the pomegranate juice, on a rat adrenal pheochromocytoma cell line, treated with hydrogen peroxide, evaluating the viability, oxidation potential, mitochondrial function, and eventual apoptosis...
April 9, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28353251/proteomic-profiling-of-the-pituitary-gland-in-studies-of-psychiatric-disorders
#8
Divya Krishnamurthy, Hassan Rahmoune, Paul C Guest
Psychiatric disorders have been associated with perturbations of the hypothalamic-pituitary-adrenal axis. Therefore, proteomic studies of the pituitary gland have the potential to provide new insights into the underlying pathways affected in these conditions as well as identify new biomarkers or targets for use in developing improved medications. This chapter describes a protocol for preparation of pituitary protein extracts followed by characterization of the pituitary proteome by label-free liquid chromatography-tandem mass spectrometry in expression mode (LC-MS(E))...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28342428/revealing-the-influence-of-glucocorticoid-treatment-on-the-excretion-of-anabolic-androgenic-steroids-in-horses-through-in-vitro-digestive-simulations-and-an-in-vivo-case-study
#9
Anneleen Decloedt, Sander Damen, Lynn Vanhaecke
Anabolic-androgenic steroids (AAS) are strictly forbidden in equine sports because of their stimulating effect on muscle growth and performance. Nevertheless, low levels of AAS have been found in some horses, untreated with AAS. Glucocorticoids (GC), used as an anti-inflammatory therapy and structurally related to AAS, might play a role in this phenomenon. In order to unravel this possible correlation the influence of glucocorticoid treatment on the excretion of AAS was studied both in vivo and in vitro. In vivo effects were investigated by analysing urine samples collected from a gelding treated with betamethasone...
February 24, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28341876/consumption-of-green-tea-epigallocatechin-3-gallate-enhances-systemic-immune-response-antioxidative-capacity-and-hpa-axis-functions-in-aged-male-swiss-albino-mice
#10
Rohit Sharma, Anamika Sharma, Amita Kumari, Pankaj Markand Kulurkar, Rajneesh Raj, Ashu Gulati, Yogendra S Padwad
The present investigation assessed the potential of green tea phytochemical epigallocatechin-3-gallate (EGCG) in alleviating age-associated aberrations in immunity, hypothalamus-pituitary-adrenal (HPA) axis and redox homeostasis using 16 months old male Swiss albino mice. Four groups of animals (n = 6 per group) were supplemented with either aqueous EGCG at 25, 50 and 100 mg/kg/animal or vehicle control for 6 weeks. A concurrent analysis of CD4(+) and CD8(+) lymphocytes in splenocytes, differential leucocyte population, T cell differentiation markers in peripheral blood mononuclear cells (PBMCs), neutrophil functions, immunoglobulins profile in intestine, circulatory HPA axis hormonal levels as well as inflammatory and oxidative stress in the liver was performed...
June 2017: Biogerontology
https://www.readbyqxmd.com/read/28328677/genitourinary-injuries-after-traffic-accidents-analysis-of-a-registry-of-162-690-victims
#11
Jean-Etienne Terrier, Philippe Paparel, Blandine Gadegbeku, Alain Ruffion, Lawrence C Jenkins, Amina N'Diaye
BACKGROUND: Traffic accidents are the most frequent cause of genitourinary injuries (GUI). Kidney injuries after trauma have been well described. However, there exists a paucity of data on other traumatic GUI after traffic accidents. The objective of this study was to analyze the frequency and type of all GUI, by user category, after traffic accidents. METHODS: Patient cases were extracted from the trauma registry of the French department of Rhone from 1996 to 2013...
June 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28323049/sutherlandia-frutescens-modulates-adrenal-hormone-biosynthesis-displays-anti-mineralocorticoid-and-serga-properties-acting-as-a-dissociated-glucocorticoid
#12
C A Sergeant, D Africander, P Swart, A C Swart
ETHNOPHARMACOLOGICAL RELEVANCE: Sutherlandia frutescens is a traditional African medicinal plant used in the treatment of stress and anxiety, while also exhibiting anti-inflammatory properties. AIM OF STUDY: The study aimed at linking anti-stress and anti-inflammatory properties of S. frutescens to its influence on glucocorticoid biosynthesis and the inflammatory response via steroid receptor interaction. MATERIALS AND METHODS: The influence of S...
March 18, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28314177/gintonin-attenuates-depressive-like-behaviors-associated-with-alcohol-withdrawal-in-mice
#13
Hyeon-Joong Kim, Sang-Deuk Park, Ra Mi Lee, Byung-Hwan Lee, Sun-Hye Choi, Sung-Hee Hwang, Hyewhon Rhim, Hyoung-Chun Kim, Seung-Yeol Nah
BACKGROUND: Panax ginseng Meyer extracts have been used to improve mood and alleviate symptoms of depression. However, little is known about the extracts' active ingredients and the molecular mechanisms underlying their reported anti-depressive effects. METHODS: Gintonin is an exogenous lysophosphatidic acid (LPA) receptor ligand isolated from P. ginseng. BON cells, an enterochromaffin cell line, and C57BL/6 mice were used to investigate whether gintonin stimulates serotonin release...
March 9, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28289937/diagnostic-accuracy-of-virtual-non-contrast-enhanced-dual-energy-ct-for-diagnosis-of-adrenal-adenoma-a-systematic-review-and-meta-analysis
#14
Michael J Connolly, Matthew D F McInnes, Mohamed El-Khodary, Trevor A McGrath, Nicola Schieda
OBJECTIVE: To compare the diagnostic accuracy of dual-energy (DE) virtual non-contrast computed tomography (vNCT) to non-contrast CT (NCT) for the diagnosis of adrenal adenomas. METHODS: Search of multiple databases and grey literature was performed. Two reviewers independently applied inclusion criteria and extracted data. Risk of bias was assessed using QUADAS-2. Summary estimates of diagnostic accuracy were generated and sources of heterogeneity were assessed...
March 13, 2017: European Radiology
https://www.readbyqxmd.com/read/28284037/a-novel-dax-1-mutation-in-two-male-siblings-presenting-with-precocious-puberty-and-late-onset-hypogonadotropic-hypogonadism
#15
Yanxia Liu, Jinlei Yuan, Huijuan Zhang, Yanyan Jiang, Guijun Qin
Background The DAX-1 gene is associated with X-linked adrenal hypoplasia congenita (AHC). Our objective was to compare the DAX-1 gene sequence of two male siblings exhibiting different clinical manifestations of AHC. Methods Clinical features were analyzed and laboratory data were collected from both siblings. Genomic DNA was extracted from the peripheral blood leukocytes of the siblings and their parents and the DAX-1 gene exons and intron-flanking regions were amplified by the polymerase chain reaction. The DAX-1 gene sequences were compared following sequencing...
March 1, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28273494/cortisol-as-a-predictor-of-psychological-therapy-response-in-anxiety-disorders-systematic-review-and-meta-analysis
#16
REVIEW
Susanne Fischer, Anthony J Cleare
BACKGROUND: Although psychotherapy generally is effective in anxiety disorders, many patients are treatment-resistant. At the same time, some patients with anxiety disorders show alterations in the hypothalamic-pituitary-adrenal (HPA) axis, one of the major stress-responsive systems. Since raised levels of the end product of the HPA axis, cortisol, adversely affect cognition, we hypothesised that more pronounced alterations in cortisol levels would be associated with a less favourable response to psychotherapy...
February 24, 2017: Journal of Anxiety Disorders
https://www.readbyqxmd.com/read/28267642/fundamental-studies-of-adrenal-retinoid-x-receptor-protein-isoform-tissue-expression-subcellular-distribution-and-ligand-availability
#17
Behling Cheng, Fatema H Al-Shammari, Isra'a A Ghader, Fatima Sequeira, Jitendra Thakkar, Thazhumpal C Mathew
Adrenal gland reportedly expresses many nuclear receptors that are known to heterodimerize with retinoid-X-receptor (RXR) for functions, but the information regarding the glandular RXR is not adequate. Studies of rat adrenal homogenate by Western blotting revealed three RXR proteins: RXRα (55kDa), RXRβ (47kDa) and RXR (56kDa). RXRγ was not detectable. After fractionation, RXRα was almost exclusively localized in the nuclear fraction. In comparison, substantial portions of RXRβ and RXR were found in both nuclear and post-nuclear particle fractions, suggesting genomic and non-genomic functions...
March 3, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28256113/clinical-characteristics-of-patients-with-adrenal-insufficiency-in-a-general-hospital
#18
Ye Yeon Lee, Nan Hee Cho, Jong Won Lee, Nam Kyung Kim, Hye Soon Kim, Mi Kyung Kim
BACKGROUND: Adrenal insufficiency (AI) is a life-threatening disorder caused by the deficiency of adrenal steroid hormones. This retrospective cross-sectional study investigated the characteristics of patients with AI in Korea. METHODS: All consecutive patients with suspected AI who received care at a tertiary referral center in Korea in 2014 and underwent adrenocorticotropic hormone stimulation or insulin-tolerance testing were identified through a review of medical charts...
March 2017: Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28237803/serotonin-mediated-modulation-of-acetylcholine-induced-intracellular-calcium-responses-in-chromaffin-cells-isolated-from-the-rat-adrenal-medulla
#19
Takuya Yokoyama, Yoshio Yamamoto, Tomoyuki Saino
We examined serotonin (5-HT)-mediated modulation of acetylcholine (ACh)-induced intracellular Ca(2+) ([Ca(2+)]i) responses in rat adrenal chromaffin cells using calcium imaging. 5-HT did not induce any [Ca(2+)]i response in clustered chromaffin cells. However, the magnitude of ACh-induced [Ca(2+)]i increases in the same specimens was inhibited in the presence of 5-HT. ACh-induced [Ca(2+)]i increases in chromaffin cells were also inhibited by the 5-HT1A receptor agonist, 8-hydroxy-2-(dipropylamino) tetralin hydrobromide, but were not changed by the 5-HT1B, 5-HT2, or 5-HT3 receptor agonists, CP93129, α-methyl-5-HT, or 1-(m-chlorophenyl) biguanide, respectively...
February 22, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28217067/septo-optic-dysplasia-de-morsier-s-syndrome
#20
Pedro Reis, Joana Mourão
Septo-optic dysplasia (SOD)/de Morsier's syndrome is characterized by optic nerve hypoplasia, pituitary endocrine dysfunction, and midline brain abnormalities. Hypopituitarism, hypothyroidism, hypogonadism, and adrenal insufficiency can lead to severe hypoglycemia, adrenal crisis, seizures, and sudden death. Anesthetic management of SOD was associated with high perioperative mortality. A 9-year-old male child proposed for dental treatments/extractions. Medical history of SOD with hypopituitarism, hypothyroidism, and delayed psychomotor development was observed...
January 2017: Saudi Journal of Anaesthesia
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