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https://www.readbyqxmd.com/read/28747387/molecular-characteristics-of-the-kcnj5-mutated-aldosterone-producing-adenomas
#1
Masanori Murakami, Takanobu Yoshimoto, Kazuhiko Nakabayashi, Yujiro Nakano, Takahiro Fukaishi, Kyoichiro Tsuchiya, Isao Minami, Ryotaro Bouchi, Kohji Okamura, Yasuhisa Fujii, Koshi Hashimoto, Ken-Ichiro Hata, Kazunori Kihara, Yoshihiro Ogawa
The pathophysiology of aldosterone-producing adenomas (APAs) has been investigated via genetic approaches and the pathogenic significance of a series of somatic mutations, including KCNJ5, has been uncovered. However, how the mutational status of an APA is associated with its molecular characteristics, including its transcriptome and methylome, has not been fully understood. This study was undertaken to explore the molecular characteristics of APAs, specifically focusing on APAs with KCNJ5 mutations as opposed to those without KCNJ5 mutations, by comparing their transcriptome and methylome status...
July 26, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28737969/high-hydrostatic-pressure-extract-of-ginger-exerts-antistress-effects-in-immobilization-stressed-rats
#2
Sohee Moon, Mak-Soon Lee, Sunyoon Jung, Bori Kang, Seog-Young Kim, Seonyoung Park, Hye-Yeon Son, Chong-Tai Kim, Young-Hee Jo, In-Hwan Kim, Young Soon Kim, Yangha Kim
Stress contributes to physiological changes such as weight loss and hormonal imbalances. The aim of the present study was to investigate antistress effects of high hydrostatic pressure extract of ginger (HPG) in immobilization-stressed rats. Male Sprague-Dawley rats (n = 24) were divided into three groups as follows: control (C), immobilization stress (2 h daily, for 2 weeks) (S), and immobilization stress (2 h daily, for 2 weeks) plus oral administration of HPG (150 mg/kg body weight/day) (S+G). Immobilization stress reduced the body weight gain and thymus weight by 50...
July 24, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28722004/oral-gingival-metastasis-a-diagnostic-dilemma
#3
Nalini Aswath, Chandrakanth Balakrishnan, Vidyarani Shyamsundar, Sarumathi Thirrugnanamurthy
Oral cavity is a rare target for metastasis with an incidence of 1% among all oral cancers. In 24% of such cases, oral metastasis is the first indication of an undiagnosed primary. Metastatic oral malignancies have been reported in the mandible, tongue, and gingiva. Although gingival metastasis has been reported from lung, prostate, rectal carcinoma in men and carcinoma of breast, adrenal glands, and genitalia in females, gingival metastasis from carcinoma of the penis has not been reported. Herein, a case of metastatic gingival carcinoma that developed after extraction of teeth from primary carcinoma of the penis is presented...
May 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28717330/an-experimental-evaluation-of-adaptogenic-potential-of-standardized-epipremnum-aureum-leaf-extract
#4
Sreemoy Kanti Das, Pinaki Sengupta, Mohd Shahimi Mustapha, Md Moklesur Rahman Sarker
BACKGROUND: Stress is a normal part of everyday life but chronic stress can lead to a variety of stress-related illnesses including hypertension, anxiety, and depression. In the present investigation, standardized leaf extract of Epipremnumaureum was evaluated for its anti-stress potential. MATERIALS AND METHODS: For the evaluation of anti-stress activity, groups of mice (n = 6) were subjected to forced swim stress and anoxic stress tolerance test in mice 1h after daily treatment of E...
April 2017: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/28693955/adaptogenic-potential-of-oxitard-in-experimental-chronic-stress-and-chronic-unpredictable-stress-induced-dysfunctional-homeostasis-in-rodents
#5
Brajnandan Kishor, Pooja Rai, Rakesh Bharatia, Sanjay Kumar, Sujeet Kumar Gupta, Anshuman Sinha
BACKGROUND: Oxitard, a polyherbal formulation comprising the extracts of Withania somnifera, Mangifera indica, Glycyrrhiza glabra, Daucus carota, Vitis vinifera, powders of Syzygium aromaticum, Yashada bhasma and Emblica officinalis; and oils of Triticum sativum. OBJECTIVE: Current study deals with the assessment of Oxitard (a marketed polyherbal formulation) for its adaptogenic potential in chronic unpredictable stress (CUS) and chronic stress (CS) induced dysfunctional homeostasis in rodents...
July 7, 2017: Journal of Ayurveda and Integrative Medicine
https://www.readbyqxmd.com/read/28691730/effects-of-colocynth-alkaloids-and-glycosides-on-wistar-rats-fed-high-fat-diet-a-biochemical-and-morphological-study
#6
Zahia Birem, Khadidja Tabani, Farid Lahfa, Rabah Djaziri, Fatima Hadjbekkouche, Elhadj Ahmed Koceir, Naima Omari
INTRODUCTION: . In traditional medicine, Citrullus colocynthis is used to treat diabetes, hyperlipidemia, cardiovascular diseases, inflammation, and oxidative stress, all of which can appear when a diet rich in vegetable fats, such as palm oil, is continuously consumed. Such high-fat diets are chronic stressors of the hypothalamic-pituitary-adrenal axis. The objective of our study was to analyze and evaluate the effects of colocynth total alkaloids and glycosides on metabolic, hormonal, and structural disorders of the adrenal medulla in Wistar rats fed a high-fat diet...
July 10, 2017: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/28690049/initial-validation-of-blubber-cortisol-and-progesterone-as-indicators-of-stress-response-and-maturity-in-an-otariid-the-california-sea-lion-zalophus-californianus
#7
Nicole E Beaulieu-McCoy, Kathryn K Sherman, Marisa L Trego, Daniel E Crocker, Nicholas M Kellar
Chronic stress can have detrimental effects on an individual's health and reproductive success. The use of cortisol quantification as an indicator of stress in free-ranging cetaceans and phocids is increasing but no studies have applied this technique on blubber in otariids. We measured cortisol concentrations in blubber samples obtained from California sea lions, Zalophus californianus, stranded in San Diego County and those incidentally killed in the California drift gillnet fishery. We also measured progesterone concentrations to assess female reproductive status and, in males, as a potential secondary measure of adrenal steroid production...
July 8, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28639595/prenatal-diagnosis-of-steroid-21-hydroxylase-deficient-congenital-adrenal-hyperplasia-experience-from-a-tertiary-care-centre-in-india
#8
Sudhisha Dubey, Veronique Tardy, Madhumita Roy Chowdhury, Neerja Gupta, Vandana Jain, Deepika Deka, Pankaj Sharma, Yves Morel, Madhulika Kabra
BACKGROUND & OBJECTIVES: Congenital adrenal hyperplasia (CAH) is an autosomal recessive disorder with a wide range of clinical manifestations. The disease is attributed to mutations in CYP21A2 gene encoding 21-hydroxylase enzyme. In view of severe phenotype in salt-losing cases, issues related to genital ambiguity in girls and precocity in boys, most families opt for prenatal testing and termination of affected foetus. CAH can be diagnosed in utero through direct molecular analysis of CYP21A2 gene, using DNA extracted from foetal tissues or cells obtained from chorionic villus sampling or amniocentesis...
February 2017: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28612976/lithium-ameliorates-sleep-deprivation-induced-mania-like-behavior-hypothalamic-pituitary-adrenal-hpa-axis-alterations-oxidative-stress-and-elevations-of-cytokine-concentrations-in-the-brain-and-serum-of-mice
#9
Samira S Valvassori, Wilson R Resende, Gustavo Dal-Pont, Heron Sangaletti-Pereira, Fernanda F Gava, Bruna R Peterle, Roger B Varela, Felipe Dal-Pizzol, João Quevedo
OBJECTIVES: The goal of the present study was to investigate the effects of lithium administration on behavior, oxidative stress parameters and cytokine levels in the periphery and brain of mice subjected to an animal model of mania induced by paradoxical sleep deprivation (PSD). METHODS: Male C57 mice were treated with saline or lithium for 7 days. The sleep deprivation protocol started on the 5th day during for the last 36 hours of the treatment period. Immediately after the sleep deprivation protocol, animals locomotor activity was evaluated and serum and brain samples was extracted to evaluation of corticosterone and adrenocorticotropic hormone circulating levels, oxidative stress parameters and citokynes levels...
June 14, 2017: Bipolar Disorders
https://www.readbyqxmd.com/read/28592912/prospective-and-descriptive-study-on-serum-androstenedione-concentration-in-healthy-children-from-birth-until-18-years-of-age-and-its-associated-factors
#10
María Gabriela Ballerini, Virginia Gaido, María Eugenia Rodríguez, Ana Chiesa, María Gabriela Ropelato
INTRODUCTION: Androstenedione (A4) is an adrenal and gonadal steroid biomarker, useful in the assessment of children in whom steroidogenic disorders are suspected. The first key step in the evaluation of a diagnostic test resides on confident reference intervals (RI). The lack of updated A4-RI with current methods in pediatrics may mislead A4 results and limit its diagnosis accuracy. AIM: To provide A4 reference ranges in healthy children. METHODS: Prospective, descriptive study...
2017: Disease Markers
https://www.readbyqxmd.com/read/28555334/prenatal-nicotine-exposure-induces-hpa-axis-hypersensitivity-in-offspring-rats-via-the-intrauterine-programming-of-up-regulation-of-hippocampal-gad67
#11
Xia He, Juan Lu, Wanting Dong, Zhexiao Jiao, Chong Zhang, Ying Yu, Zhaohui Zhang, Hui Wang, Dan Xu
The intrauterine programming of hypothalamic-pituitary-adrenal (HPA) axis hypersensitivity is associated with chronic adult diseases. Our previous studies demonstrated the HPA-axis hypersensitivity in offspring rats induced by prenatal nicotine exposure. The goal of the present study is to further investigate the intrauterine programming mechanism. Pregnant Wistar rats were subcutaneously administered with 2.0 mg/kg day of nicotine from gestational day (GD) 9-20. A group of the pregnant rats was euthanized at GD20, and the fetal rats were extracted...
May 29, 2017: Archives of Toxicology
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
#12
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...
August 1, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28459107/a-genomic-atlas-of-human-adrenal-and-gonad-development
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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