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https://www.readbyqxmd.com/read/28435850/paraneoplastic-myositis-secondary-to-poorly-differentiated-serous-carcinoma-of-ovarian-tubal-origin
#1
Zachary Raizman, Boshra Hosseini, Sarah Kean, Alon D Altman
•Ovarian cancer can present as paraneoplastic myositis.•Presented with progressive weakness unresponsive to treatment with glucocorticoids•Imaging revealed bilateral ovarian masses, myositis resolved after surgery.•Ovarian cancer should be included on the differential diagnosis of a patient presenting with myositis.
May 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/28435101/interaction-of-glucocorticoids-and-progesterone-derivatives-with-human-serum-albumin
#2
Rola Abboud, Mohammad Akil, Catherine Charcosset, Hélène Greige-Gerges
Glucocorticoids (GCs) and progesterone derivatives (PGDs) are steroid hormones with well-known biological activities. Their interaction with human serum albumin (HSA) may control their distribution. Their binding to albumin is poorly studied in literature. This paper deals with the interaction of a series of GCs (cortisol, cortisone, prednisolone, prednisone, 6-methylprednisolone and 9-fluorocortisol acetate) and PGDs (progesterone, hydroxylated PGDs, methylated PGDs and dydrogesterone) with HSA solution (pH 7...
April 20, 2017: Chemistry and Physics of Lipids
https://www.readbyqxmd.com/read/28435083/subchronic-glucocorticoids-glutathione-depletion-and-a-postpartum-model-elevate-monoamine-oxidase-a-activity-in-the-prefrontal-cortex-of-rats
#3
Sofia Raitsin, Junchao Tong, Stephen Kish, Xin Xu, Lilia Magomedova, Carolyn Cummins, Ana C Andreazza, Gustavo Scola, Glen Baker, Jeffrey H Meyer
Recent human brain imaging studies implicate dysregulation of monoamine oxidase-A (MAO-A), in particular in the prefrontal cortex (PFC) and anterior cingulate cortex (ACC), in the development of major depressive disorder (MDD). This study investigates the influence of four alterations underlying important pathologies of MDD, namely, chronic elevation of glucocorticoid levels, glutathione depletion, changes in female gonadal sex hormones and serotonin concentration fluctuation, on MAO-A and MAO-B activity in rats...
April 20, 2017: Brain Research
https://www.readbyqxmd.com/read/28434943/epigenetic-pathways-in-human-disease-the-impact-of-dna-methylation-on-stress-related-pathogenesis-and-current-challenges-in-biomarker-development
#4
M Austin Argentieri, Sairaman Nagarajan, Bobak Seddighzadeh, Andrea A Baccarelli, Alexandra E Shields
HPA axis genes implicated in glucocorticoid regulation play an important role in regulating the physiological impact of social and environmental stress, and have become a focal point for investigating the role of glucocorticoid regulation in the etiology of disease. We conducted a systematic review to critically assess the full range of clinical associations that have been reported in relation to DNA methylation of CRH, CRH-R1/2, CRH-BP, AVP, POMC, ACTH, ACTH-R, NR3C1, FKBP5, and HSD11β1/2 genes in adults...
April 4, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28433801/moderate-within-person-variability-in-cortisol-is-related-to-executive-function-in-early-childhood
#5
Clancy Blair, Daniel J Berry
Lab-based experimental studies with humans and in animal models demonstrate that the relation between glucocorticoid (GC) levels and performance on measures of higher-order cognitive ability such as executive function (EF) is best described by an inverted U-shape curve. Moderate levels of GCs (cortisol/corticosterone) are associated with comparatively better performance relative to GC levels that are particularly high or low. Although findings from experimental studies are definitive and have high internal validity, the external validity of this association as an aspect of children's development is unknown...
March 31, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28433687/steroid-resistance-of-airway-type-2-innate-lymphoid-cells-ilc2s-from-severe-asthma-the-role-of-thymic-stromal-cell-lymphopoietin-tslp
#6
Sucai Liu, Mukesh Verma, Lidia Michalec, Weimin Liu, Anand Sripada, Donald Rollins, James Good, Yoko Ito, HongWei Chu, Magdalena M Gorska, Richard J Martin, Rafeul Alam
BACKGROUND: ILC2s represent an important type 2 immune cell. Glucocorticoid regulation of human ILC2s is largely unknown. OBJECTIVE: To assess steroid resistance of human blood and airway ILC2s from asthmatic patients and examine its mechanism of induction. METHODS: We studied human blood and lung ILC2s from asthmatic and control subjects by flow cytometry and ELISA. RESULTS: Dexamethasone (Dex) inhibited (P=0.04) CRTH2 and type 2 cytokine expression by blood ILC2s stimulated with IL25 and IL33...
April 19, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28433506/heifers-express-g-protein-coupled-receptor-61-in-anterior-pituitary-gonadotrophs-in-stage-dependent-manner
#7
Kiran Pandey, Onalenna Kereilwe, Vitaliano Borromeo, Hiroya Kadokawa
Gonadotropin-releasing hormone receptors (GnRHRs) colocalize with insulin and glucocorticoid receptors in lipid rafts of the gonadotroph plasma membrane, where they facilitate downstream signaling. We recently found that orphan G-protein-coupled receptor (GPR)61 is expressed in the anterior pituitary (AP) of heifers, leading us to speculate that GPR61 colocalizes with GnRHR in the plasma membrane of gonadotroph and is expressed at specific times of the reproductive cycle. To test this hypothesis, we examined the coexpression of GnRHR, GPR61, and either luteinizing hormone (LH) β subunit or follicle-stimulating hormone (FSH) β subunit in AP tissue and cultured AP cells by immunofluorescence microscopy...
April 4, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28433469/delayed-effect-of-early-life-corticosterone-treatment-on-adult-anti-predator-behavior-in-a-common-passerine
#8
Jacquelyn K Grace, Laure Martin-Gousset, Frédéric Angelier
Acute, short-term effects of early-life stress and associated glucocorticoid upregulation on behavior are widely documented across vertebrates. However, the persistence and severity of these effects are largely unknown, especially through the adult stage and in wild species. Here, we investigate long-term effects of experimental post-natal increases in a circulating glucocorticoid on antipredator behavior in wild house sparrows (Passer domesticus) tested in captivity. We manipulate circulating corticosterone concentration in wild, free-living nestlings, transfer fledglings to captivity, and test juveniles and adults for two measures of antipredator behavior: evasiveness during a direct human encounter, and propensity to escape from a risky environment...
April 19, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28432472/anti-infective-and-anti-inflammatory-pharmacotherapies
#9
Mark I Rosenblatt
Ocular infection and inflammation are common and are associated with myriad ocular conditions ranging from mild disease to blinding conditions. There are numerous anti-invectives with spectra against inciting pathogens. Given the potential for ocular infections to rapidly progress initial broad spectrum therapy is usually required, with therapy tailored as microbiological identification and sensitivities become available. The emergence of antibiotic resistance has become a major health problem. Anti-inflammatory therapy can be institutes to prevent ocular symptoms and end-organ damage...
April 22, 2017: Handbook of Experimental Pharmacology
https://www.readbyqxmd.com/read/28432191/gene-expression-effects-of-glucocorticoid-and-mineralocorticoid-receptor-agonists-and-antagonists-on-normal-human-skeletal-muscle
#10
Jessica A Chadwick, James Spencer Hauck, Celso E Gomez-Sanchez, Elise P Gomez-Sanchez, Jill A Rafael-Fortney
Mineralocorticoid and glucocorticoid receptors are closely related steroid hormone receptors that regulate gene expression through many of the same hormone response elements. However, their transcriptional activities and effects in skeletal muscles are largely unknown. We recently identified mineralocorticoid receptors (MR) in skeletal muscles after finding that combined treatment with the angiotensin-converting enzyme inhibitor lisinopril and MR antagonist spironolactone was therapeutic in Duchenne muscular dystrophy mouse models...
April 21, 2017: Physiological Genomics
https://www.readbyqxmd.com/read/28432185/exogenous-cushing-s-syndrome-due-to-a-chinese-herbalist-s-prescription-of-ointment-containing-dexamethasone
#11
Viola Franke, Winnie Francien Scholtens, Ines Alexandra von Rosenstiel, Marie Jose Walenkamp
Eczema in children is a chronic disabling condition. The impact of this condition on the lives of families is often underestimated by conventional physicians. As a consequence parents may investigate complementary treatment options. Close monitoring by a paediatrician is essential, considering that a variety of adverse effects can occur during the use of complementary treatment. We present a 5-year-old girl with eczema. She visited a Chinese herbalist who prescribed an ointment. The parents noticed that the eczema resolved fast, itching decreased and she was finally sleeping well...
April 20, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28432151/dehydration-enhances-multiple-physiological-defense-mechanisms-in-a-desert-lizard-heloderma-suspectum
#12
Karla T Moeller, Guillaume Demare, Scott Davies, Dale F DeNardo
The physiological challenges associated with dehydration can induce an increase in plasma glucocorticoid concentrations, a response thought to provide the mechanism for dehydration suppressing immune function. However, a comprehensive examination of the interrelationship of dehydration, stress, and immune function has not been conducted within a single species. We previously demonstrated that Gila monsters (Heloderma suspectum), which inhabit a xeric environment with a predictable seasonal drought, have enhanced measures of innate immunity when dehydrated...
April 21, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28431449/peripheral-and-central-glucocorticoid-signaling-contributes-to-positive-energy-balance-in-rats
#13
Tássia Karin Borba, Lígia Cristina Monteiro Galindo, Kelli Nogueira Ferraz-Pereira, Raquel da Silva Aragão, Ana Elisa Toscano, Omar Guzmán-Quevedo, Raul Manhães-de-Castro
The obesity epidemic has been the target of several studies to understand its etiology. The pathophysiological processes that take to obesity generally relate to the rupture of energy balance. This imbalance can result from environmental and/or endogenous events. Among the endogenous events, the hypothalamic-pituitary-adrenal axis, which promotes stress response via glucocorticoid activity, is considered a modulator of energy balance. However, it remains controversial whether the increase in plasma levels of glucocorticoids results in a positive or negative energy balance...
April 21, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28431111/correction-of-abnormal-b-cell-subset-distribution-by-interleukin-6-receptor-blockade-in-polymyalgia-rheumatica
#14
Guillermo Carvajal Alegria, Valérie Devauchelle-Pensec, Yves Renaudineau, Alain Saraux, Jacques-Olivier Pers, Divi Cornec
Objectives.: The aim was to study lymphocyte subsets and circulating cytokines at diagnosis of PMR and after tocilizumab monotherapy. Methods.: Eighteen untreated patients with PMR were included in a prospective study and received 3-monthly tocilizumab infusions without glucocorticoids. Lymphocyte subset distribution was assessed by flow cytometry and serum cytokines were assayed by a 34-cytokine array and ELISA, at baseline and during follow-up. Baseline data were also compared with age- and sex-matched controls...
April 20, 2017: Rheumatology
https://www.readbyqxmd.com/read/28430855/cancer-immunotherapy-trial-registrations-increase-exponentially-but-chronic-immunosuppressive-glucocorticoid-therapy-may-compromise-outcomes
#15
C M Connell, S Raby, I Beh, T Flint, E Williams, D T Fearon, D I Jodrell, T Janowitz
No abstract text is available yet for this article.
April 14, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28430805/effect-of-the-glucocorticoid-receptor-antagonist-ru486-on-mk-801-induced-behavioural-sensitisation
#16
Emilia M Lefevre, Gregory A Medley, Timothy Reeks, Suzy Alexander, Thomas H J Burne, Darryl W Eyles
Stress is known to modulate sensitisation to repeated psychostimulant exposure. However, there is no direct evidence linking glucocorticoids and sensitisation achieved by repeated administration of the NMDA receptor antagonist MK-801. We tested the hypothesis that co-administration of RU486, a glucocorticoid receptor (GR) antagonist, prior to repeated daily MK-801 injections would block the expression of locomotor sensitisation due to its dual effects on corticosterone and dopamine. We employed a repeated MK-801 administration locomotor sensitisation paradigm in male Sprague Dawley rats...
2017: PloS One
https://www.readbyqxmd.com/read/28430429/potential-glucocorticoid-and-mineralocorticoid-effects-of-nine-organophosphate-flame-retardants
#17
Quan Zhang, Jinghua Wang, Jianqiang Zhu, Jing Liu, Meirong Zhao
Organophosphate flame retardants (OPFRs), as alternatives of polybrominated diphenyl ethers (PBDEs), have been frequently detected in the environment and biota, and could pose adverse effects on organisms. However, information on the potential endocrine disruption of OPFRs, especially their effects on steroid hormone receptors, such as glucocorticoid and mineralocorticoid receptors (GR/MR), is limited. In this study, the dual-luciferase reporter gene assay via GR/MR and a H295R steroidogenesis assay were employed to evaluate the endocrine disruption of nine OPFRs...
April 21, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28429555/management-of-mineral-and-bone-disorders-in-renal-transplant-recipients
#18
Matthew J Damasiewicz, Peter R Ebeling
The management of post-transplantation bone disease is a complex problem that remains under-appreciated in clinical practice. In these patients, pre-existing metabolic bone disorder is further impacted by the use of immunosuppressive medications (glucocorticoids and calcineurin-inhibitors), variable post-transplantation renal allograft function and post-transplantation diabetes mellitus. The treatment of post-transplantation bone loss should begin pre-transplantation. All patients active on transplant waiting lists should be screened for bone disease...
March 2017: Nephrology
https://www.readbyqxmd.com/read/28429223/sex-related-characteristics-of-systemic-hormonal-homeostasis-in-rats-with-sarcoma-c-45-cells-transplanted-to-the-lung
#19
M B Kozlova, E M Frantsiyants, L K Trepitaki, I V Kaplieva, Yu A Pogorelova, G Z Sergostyants, T G Airapetova, A V Chubaryan
Sex-related systemic status of pituitary and thyroid hormones and cortisol was studied in rats on days 7 and 14 after transplantation of sarcoma C-45 cells into the lung. Females demonstrated slower development of the tumor process (49.0±10.7 vs. 32.0±3.9 days in males). Injection of tumor cells causes similar disorders in the levels of ACTH, thyrotropic hormone, and prolactin in males and females and opposite disorders in the thyroid and glucocorticoid homeostasis associated in males (in contrast to females) with reduction of cortisol level (by 1...
April 21, 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28429142/national-clinical-guidelines-for-non-surgical-treatment-of-patients-with-recent-onset-low-back-pain-or-lumbar-radiculopathy
#20
REVIEW
Mette Jensen Stochkendahl, Per Kjaer, Jan Hartvigsen, Alice Kongsted, Jens Aaboe, Margrethe Andersen, Mikkel Ø Andersen, Gilles Fournier, Betina Højgaard, Martin Bach Jensen, Lone Donbæk Jensen, Ture Karbo, Lilli Kirkeskov, Martin Melbye, Lone Morsel-Carlsen, Jan Nordsteen, Thorvaldur Skuli Palsson, Zoreh Rasti, Peter Frost Silbye, Morten Zebitz Steiness, Simon Tarp, Morten Vaagholt
PURPOSE: To summarise recommendations about 20 non-surgical interventions for recent onset (<12 weeks) non-specific low back pain (LBP) and lumbar radiculopathy (LR) based on two guidelines from the Danish Health Authority. METHODS: Two multidisciplinary working groups formulated recommendations based on the GRADE approach. RESULTS: Sixteen recommendations were based on evidence, and four on consensus. Management of LBP and LR should include information about prognosis, warning signs, and advise to remain active...
April 20, 2017: European Spine Journal
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