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Adrenal Gland AND Hormones

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https://www.readbyqxmd.com/read/29151792/fluoxetine-modulates-sex-steroid-levels-in-vitro
#1
Diana Lupu, Marcus O D Sjödin, Mukesh Varshney, Johan Lindberg, Felicia Loghin, Joëlle Rüegg
Background and aims: Selective serotonin reuptake inhibitors (SSRIs) are antidepressants increasingly prescribed against depression during and after pregnancy. However, these compounds cross the placenta and are found in breast milk, thus reaching, and possibly affecting, the fetus and infant during critical developmental stages. Fluoxetine (FLX), a widely used SSRI, can interfere with estrogen signaling, which is important for the development of female sex organs and certain brain areas, among others...
2017: Clujul Medical (1957)
https://www.readbyqxmd.com/read/29141926/ectopic-acth-syndrome-complicated-by-multiple-opportunistic-infections-treated-with-percutaneous-ablation-of-the-adrenal-glands
#2
Chrystal Chan, James Mark Roberts
Ectopic adrenocorticotropic hormone (ACTH)-related Cushing's syndrome can lead to multiple complications including severe immunosuppression. If the ACTH-secreting tumour cannot be found, definitive treatment is surgical adrenalectomy, typically followed by glucocorticoid replacement. Here, we present a case of fulminant respiratory failure secondary to coinfection with Pneumocystis jirovecii and cytomegalovirus in a patient with ectopic ACTH-dependent Cushing's syndrome with occult primary. Due to significant deconditioning, she was unable to undergo definitive adrenalectomy and instead underwent percutaneous microwave ablation of the adrenal glands...
November 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29140411/effect-of-angiotensin-ii-and-acth-on-adrenal-blood-flow-in-the-male-rat-adrenal-gland-in-vivo
#3
Abdul J Shah, Tamas Kriska, Kathryn M Gauthier, John R Falck, William B Campbell
Angiotensin II (Ang II) and adrenocorticotropic hormone (ACTH) regulate adrenal vascular tone in vitro through endothelial and/or zona glomeulosa cell-derived mediators. The role of these mediators in regulating adrenal blood flow (ABF) and mean arterial pressure (MAP) was examined in anesthetized rats. Ang II (0.01-100 ng/kg) increased ABF (maximal increase of 97.2 ± 6.9 perfusion units (PU) at 100 ng/kg) and MAP (basal, 115 ± 7 mm Hg; Ang II, 163 ± 5 mm Hg). ACTH (0.1-1000 ng/kg) also increased ABF (maximum increase of 91...
November 13, 2017: Endocrinology
https://www.readbyqxmd.com/read/29137015/malignant-transformation-of-a-mature-teratoma-of-the-adrenal-gland-a-rare-case-report-and-literature-review
#4
Miao Niu, Ailian Liu, Ying Zhao, Lu Feng
RATIONALE: Adrenal mature TMT is very rare. So far, only two cases have been reported. PATIENT: We report a rare case of malignant transformation of a mature teratoma in the right adrenal gland of a 36-year-old Chinese female. The patient had been asymptomatic until physical exam identified a palpable mass in the right abdomen. Abdominal non-enhanced computed tomography (CT) scan showed a huge tumor with mixed density in right adrenal region, which had cystic components, fat, calcifications, and separations...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29132721/endocrine-pathology-past-present-and-future
#5
REVIEW
Sylvia L Asa, Ozgur Mete
Endocrine pathology is the subspecialty of diagnostic pathology which deals with the diagnosis and characterisation of neoplastic and non-neoplastic diseases of the endocrine system. This relatively young subspecialty was initially focused mainly on thyroid and parathyroid pathology, with some participants also involved in studies of the pituitary, the endocrine pancreas, and the adrenal glands. However, the endocrine system involves much more than these traditional endocrine organs and the discipline has grown to encompass lesions of the dispersed neuroendocrine cells, including neuroendocrine tumours (NETs) of the lungs, gastrointestinal tract, thymus, breast and prostate, as well as paraganglia throughout the body, not just in the adrenals...
November 10, 2017: Pathology
https://www.readbyqxmd.com/read/29100688/bisphenol-a-and-reproductive-hormones-and-cortisol-in-peripubertal-boys-the-inma-granada-cohort
#6
Vicente Mustieles, Olga Ocón-Hernandez, Lidia Mínguez-Alarcón, Cristina Dávila-Arias, Rocío Pérez-Lobato, Irene Calvente, Juan P Arrebola, Fernando Vela-Soria, Soledad Rubio, Russ Hauser, Nicolás Olea, Mariana F Fernández
INTRODUCTION: Bisphenol A (BPA) is a well-known endocrine disrupting compound. Although several studies have investigated the effect of BPA exposure and reproductive hormones in humans, results have been inconsistent. OBJECTIVE: To explore the cross-sectional relationship between bisphenol A (BPA) exposure and reproductive hormones/cortisol among peripubertal boys. MATERIAL AND METHODS: Urinary BPA and serum hormones were assessed in 172 boys belonging to the INMA "Environment and Childhood" Granada birth cohort in their follow-up at 9-11years of age...
October 31, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29095280/primary-hypothyroidism-and-isolated-acth-deficiency-induced-by-nivolumab-therapy-case-report-and-review
#7
REVIEW
Mei Fang Zeng, Li Chen, Hong Ying Ye, Wei Gong, Li Nuo Zhou, Yi Ming Li, Xiao Long Zhao
RATIONALE: Nivolumab is a monoclonal IgG antibody blocking programmed death receptor-1 (PD1), leading to restoration of the natural T-cell-mediated immune response against the cancer cells. However, it also causes plenty of autoimmune-related adverse events, which often involves endocrine system. PATIENT CONCERNS: A 54-year-old male with renal clear cell carcinoma was treated with nivolumab intravenously. Routine monitoring showed elevated thyroid-stimulating hormone and low free thyroxine after the 6th administration of nivolumab...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29083134/clinical-endocrinology-and-hormones-quantitation-the-increasing-role-of-mass-spectrometry
#8
Federica D'Aurizio, Marco Cantù
Clinical endocrinology has always had a close relationship with laboratory medicine. In fact, the quantification of hormones is of great importance for diagnosis, treatment, recurrence and patient's prognosis of endocrine disorders. This review dealt with the role of the laboratory in diagnosing endocrine pathologies related to adrenal gland, pituitary, gonads and thyroid. The measurements of the main hormones (17- hydroxyprogesterone, androstenedione, dehydroepiandrosterone sulphate, testosterone, estradiol, cortisol, aldosterone, metanephrines, thyroglobulin and insulin-like-growth factor-1) were described considering analytical characteristics but also some aspects of pre-analytical and post- analytical steps...
October 27, 2017: Minerva Endocrinologica
https://www.readbyqxmd.com/read/29077874/urinary-cadmium-excretion-is-associated-with-increased-synthesis-of-cortico-and-sex-steroids-in-a-population-study
#9
Murielle Bochud, Judith Jenny-Burri, Menno Pruijm, Belen Ponte, Idris Guessous, Georg Ehret, Dusan Petrovic, Vincent Dudler, Max Haldimann, Geneviève Escher, Bernhard Dick, Markus Mohaupt, Fred Paccaud, Michel Burnier, Antoinette Péchère-Bertschi, Pierre-Yves Martin, Bruno Vogt, Daniel Ackermann
Context: Urinary cadmium (Cd) excretion is associated with cancer and cardiovascular morbidity. A potential intermediate mechanism could be hormone-related by disturbing steroidogenesis in gonads and adrenal glands. Objective: We tested whether urinary Cd and the excretion of metabolites of sex and corticosteroids are correlated in the general adult population. Setting: The Swiss Kidney Project on Genes in Hypertension (SKIPOGH) is a multicentric family-based population study...
October 25, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29074327/thyrotropic-activity-of-corticotropin-releasing-hormone-in-an-altricial-bird-species-the-zebra-finch-taeniopygia-guttata
#10
Yugo Watanabe, Sylvia V H Grommen, Bert De Groef
In chicken, corticotropin-releasing hormone (CRH) acts as a thyrotropin (TSH)-releasing factor, mediated by the type 2 CRH receptor (CRHR2) on the thyrotropes of the pituitary gland. It is not known whether CRH also controls TSH release in non-precocial avian species that have a different pattern of thyroidal activity during their life cycle. Therefore, we investigated the TSH-releasing capacity of CRH in an altricial species, the zebra finch (Taeniopygia guttata). Cellular localisation of type 1 CRH receptor (CRHR1) and CRHR2 mRNA in the pituitary was determined by in situ hybridisation, combined with immunohistochemical staining of pituitary thyrotropes...
October 23, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/29066490/novel-germline-p-gly42val-men1-mutation-in-a-family-with-multiple-endocrine-neoplasia-type-1-excellent-response-of-prolactinoma-to-cabergoline
#11
Viktoria F Koehler, Kerstin Jungheim, Ute Groß, Donato Iacovazzo, Alexander Mann, Márta Korbonits
We report on a 27-year-old male patient presenting with renal colic secondary to hyperparathyroidism. Further investigations confirmed a diagnosis of type 1 multiple endocrine neoplasia and revealed a 2.0 cm pancreatic neuroendocrine tumour as well as a pituitary macroadenoma with significantly elevated prolactin levels. The patient underwent three-gland parathyroidectomy, a left pancreatectomy, and received dopamine agonist treatment. Genetic testing revealed a novel germline heterozygote missense mutation in the MEN1 gene (p...
September 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29065432/preimplantation-factor-pif-regulates-stress-induced-adrenal-steroidogenesis-and-anti-inflammatory-cytokines-potential-application-for-bioartificial-adrenal-transplant
#12
Mariya Balyura, Evgeny Gelfgat, Enrico Ullmann, Barbara Ludwig, Eytan R Barnea, Stefan R Bornstein
The main treatment algorithm for adrenal insufficiency is hormonal replacement, however, inadequate hormone substitution often leads to severe side effects. Adrenal cell transplantation could be a more effective alternative but would require life-long immune suppressive therapy. PreImplantation Factor (PIF) is an endogenous peptide secreted by viable human embryos that leads to maternal tolerance without immunosuppression. PIF could be effective for xenogeneic cell transplantation such as of bovine adrenocortical cells (BAC), which are used for bioartificial adrenal gland development that may more effectively restore complex adrenal functions...
October 24, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/29060958/a-case-of-hypertensive-crisis-without-a-surge-in-adrenal-hormones-after-radiofrequency-ablation-as-a-treatment-for-primary-hepatocellular-carcinoma
#13
Kyung Jin Lee, Soo Hyung Ryu
Radiofrequency ablation (RFA) is a minimally invasive procedure that has been considered as a relatively safe treatment for patients with small hepatocellular carcinoma (HCC). However, RFA has been shown to be associated with complications including mechanical and thermal damage. A 74-year-old man with hepatitis C virus-associated HCC was admitted to our hospital. Abdominal computed tomography revealed two lobulated-HCC in segments 4 and 5. He had no medical history of hypertension and cardiac disease. During RFA, blood pressure was elevated to 200/140 mmHg...
October 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/29059290/regeneration-of-functional-adrenal-tissue-following-bilateral-adrenalectomy
#14
Neta Gotlieb, Ely Albaz, Lee Shaashua, Liat Sorski, Pini Matzner, Ella Rosenne, Benjamin Amram, Amit Benbenishty, Eli Golomb, Shamgar Ben-Eliyahu
It is assumed that following complete bilateral adrenalectomy, no adrenal tissue will re-develop, and adrenal hormone levels would remain low and unaffected by stress. However, anecdotal observations in animals and in patients suggest that under some unknown circumstances the opposite can occur. Herein we studied whether adrenalectomized rats can develop an alternative source of systemic corticosterone after complete bilateral adrenalectomy with minimal replacement therapy. Male and female rats underwent either a standard adrenalectomy, in which the glands were removed with minimal surrounding adipose tissue, or an extensive adrenalectomy, in which glands were removed with most surrounding adipose tissue...
October 19, 2017: Endocrinology
https://www.readbyqxmd.com/read/29020800/an-approach-to-minimising-risk-of-adrenal-insufficiency-when-discontinuing-oral-glucocorticoids
#15
Mathew N Nicholas, Stephanie K Li, Marlene Dytoc
Oral glucocorticoids are commonly used across every field of medicine; however, discontinuing them in patients can be challenging. The risk of acute adrenal crises secondary to glucocorticoid withdrawal can be fatal and arises from chronic suppression of the adrenal glands. Identifying risk factors for adrenal suppression in dermatological patients, such as doses greater than 5 to 7.5 mg of prednisone equivalent, duration of glucocorticoid use greater than 3 weeks, certain medications, and comorbidities, can help risk-stratify patients...
October 1, 2017: Journal of Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/28994759/a-novel-method-super-selective-adrenal-venous-sampling
#16
Kohzoh Makita, Koshiro Nishimoto, Kanako Kiriyama-Kitamoto, Shigehiro Karashima, Tsugio Seki, Masanori Yasuda, Seishi Matsui, Masao Omura, Tetsuo Nishikawa
Primary aldosteronism (PA) and subclinical Cushing's syndrome (SCS) are conditions in which the adrenal glands autonomously produce excessive amounts of aldosterone and cortisol, respectively. The conventional adrenal venous sampling (cAVS) method collects blood samples from both adrenal central veins and is useful for identifying the laterality of excess hormone production in a unilateral lesion(s), as documented in PA cases. In cAVS, plasma cortisol concentrations (PCCs) are used to normalize plasma aldosterone concentrations (PACs)...
September 15, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28994540/-protective-effect-of-shuyu-yiban-decoction-on-atherosclerosis-in-rats-induced-by-chronic-unpredictable-mild-stress
#17
Xiao-Jun Zheng, Zhi-Qiang Hu, Shu-Wei Luan, Ran Li, Yun Li, Jian-Liang Li, Yu-Jie Li, Xiao-Xin Zhu
Shuyu Yiban decoction(SYYB) has significant effect in treating the patients with coronary heart disease combined with chronic psychological stress. In this study, in order to observe the effects of SYYB on early formation of atherosclerosis(As) and inflammation response induced by chronic psychological stress, high-fat diet+intraperitoneal injections of Vitamin D3 were given to establish As early lesion models, and based on these models, chronic unpredictable mild stress(CUMS) was used to observe whether the chronic psychological stress could increase coronary atherosclerotic lesions investigate the intervention effect of SYYB(6...
March 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28993760/monitoring-the-secretory-behavior-of-the-rat-adrenal-medulla-by-high-performance-liquid-chromatography-based-catecholamine-assay-from-slice-supernatants
#18
Frédéric De Nardi, Claudie Lefort, Dimitri Bréard, Pascal Richomme, Christian Legros, Nathalie C Guérineau
Catecholamine (CA) secretion from the adrenal medullary tissue is a key step of the adaptive response triggered by an organism to cope with stress. Whereas molecular and cellular secretory processes have been extensively studied at the single chromaffin cell level, data available for the whole gland level are much scarcer. We tackled this issue in rat by developing an easy to implement experimental strategy combining the adrenal acute slice supernatant collection with a high-performance liquid chromatography-based epinephrine and norepinephrine (NE) assay...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28981236/-adrenal-disease-diagnosis-management-of-adrenal-incidentaloma
#19
A S Azzi, N Driessens
Adrenal glands are specialized in biosynthesis of several hormones correlated to different clinical phenotypes in case of excess or lack of production. In addition to secretion disorders, tumors, secreting or not, can take place in adrenal glands. Incidentalomas are the most common adrenal diseases in clinical practice. The challenge of the management is to determine whether the lesion is benign or malignant and secreting or not in order to direct therapeutic management towards surgical option, pharmacotherapy or clinical follow-up...
2017: Revue Médicale de Bruxelles
https://www.readbyqxmd.com/read/28964342/assays-of-adrenal-gpcr-signaling-and-regulation-measuring-adrenal-%C3%AE-arrestin-activity-in-vivo-through-plasma-membrane-recruitment
#20
Reema Mody, Yelaisy Hernandez, Anastasios Lymperopoulos
Production and secretion of catecholamines and aldosterone from the adrenal gland are regulated by various adrenal G protein-coupled receptors (GPCRs), including α2-adrenergic (auto)receptors (ARs) and angiotensin receptors. These hormones, in turn, regulate cardiac function and play important pathophysiological roles in heart failure (HF). Recent studies have identified the GPCR adapter proteins β-arrestins, specifically β-arrestin1, as an important mediator of the GPCR-dependent production of these hormones in the adrenal gland...
2017: Methods in Cell Biology
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