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Adrenal failure

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https://www.readbyqxmd.com/read/29026467/chromogranin-a-as-a-biochemical-marker-for-neuroendocrine-tumors-a-single-center-experience-at-royal-hospital-oman
#1
Elham S Al-Risi, Fatma S Al-Essry, Waad-Allah S Mula-Abed
OBJECTIVES: To evaluate the significance of serum chromogranin A (CgA) status in patients with and without different neuroendocrine tumors (NETs) by conducting a retrospective assessment of the diagnostic utility and limitations of CgA as a biomarker for NETs in a tertiary care hospital in Oman. METHODS: We conducted a retrospective analysis of CgA requests referred to the Clinical Biochemistry Laboratory, Royal Hospital, Oman over a 24-month period (April 2012 to March 2014)...
September 2017: Oman Medical Journal
https://www.readbyqxmd.com/read/29025209/delayed-diagnosis-of-pituitary-stalk-interruption-syndrome-with-severe-recurrent-hyponatremia-caused-by-adrenal-insufficiency
#2
Kyung Mi Jang, Cheol Woo Ko
Pituitary stalk interruption syndrome (PSIS) involves the occurrence of a thin or absent pituitary stalk, hypoplasia of the adenohypophysis, and ectopic neurohypophysis. Diagnosis is confirmed using magnetic resonance imaging. Patients with PSIS have a variable degree of pituitary hormone deficiency and a wide spectrum of clinical manifestations. The clinical course of the disease in our patient is similar to that of a syndrome of inappropriate antidiuretic hormone secretion. This is thought to be caused by failure in the suppression of vasopressin secretion due to hypocortisolism...
September 2017: Annals of Pediatric Endocrinology & Metabolism
https://www.readbyqxmd.com/read/29023380/the-gut-microbiome-feelings-of-the-brain-a-perspective-for-non-microbiologists
#3
REVIEW
Aaron Lerner, Sandra Neidhöfer, Torsten Matthias
Objectives: To comprehensively review the scientific knowledge on the gut-brain axis. Methods: Various publications on the gut-brain axis, until 31 July 2017, were screened using the Medline, Google, and Cochrane Library databases. The search was performed using the following keywords: "gut-brain axis", "gut-microbiota-brain axis", "nutrition microbiome/microbiota", "enteric nervous system", "enteric glial cells/network", "gut-brain pathways", "microbiome immune system", "microbiome neuroendocrine system" and "intestinal/gut/enteric neuropeptides"...
October 12, 2017: Microorganisms
https://www.readbyqxmd.com/read/28990742/autoimmune-endocrine-diseases
#4
Rosaria M Ruggeri, Giuseppe Giuffrida, Alfredo Campennì
The endocrine system is interested by several autoimmune diseases, characterized by different impact and severity, according to the organs involved. Autoimmune thyroid disorders (i.e. Hashimoto's thyroiditis and Graves' disease) and type 1 diabetes mellitus are the most common autoimmune endocrine disorders, while hypophysitis, adrenalitis (90% of cases of primary hypocortisolism or Addison's disease), premature ovarian failure and hypoparathyroidism represent quite rare conditions. Autoimmune endocrine diseases can also coexist in the same individuals and cluster in families...
October 9, 2017: Minerva Endocrinologica
https://www.readbyqxmd.com/read/28980354/sampling-and-energy-evaluation-challenges-in-ligand-binding-protein-design
#5
Jiayi Dou, Lindsey Doyle, Per Jr Greisen, Alberto Schena, Hahnbeom Park, Kai Johnsson, Barry L Stoddard, David Baker
The steroid hormone 17α-hydroxylprogesterone (17-OHP) is a biomarker for congenital adrenal hyperplasia and hence there is considerable interest in sensor development towards this compound. We used computational protein design to generate protein models with binding sites for 17-OHP containing an extended, nonpolar, shape-complementary binding pocket corresponding to the four-ring core of the compound, and hydrogen bonding residues at the base of the pocket to interact with carbonyl and hydroxyl groups at the more polar end of the ligand...
October 4, 2017: Protein Science: a Publication of the Protein Society
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
#6
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
https://www.readbyqxmd.com/read/28926161/neural-basis-of-major-depression-beyond-monoamine-hypothesis
#7
Shuken Boku, Shin Nakagawa, Hiroyuki Toda, Akitoyo Hishimoto
Monoamine hypothesis has been accepted as the most common hypothesis of major depression for a long period because of its simplicity and understandability. Actually, most of currently used antidepressants have been considered to act based on monoamine hypothesis. However, it has been pointed out as an important problem of monoamine hypothesis that it is unable to explain the latency of response to antidepressants. In addition, a large number of patients with major depression has been refractory to currently used antidepressants yet...
September 19, 2017: Psychiatry and Clinical Neurosciences
https://www.readbyqxmd.com/read/28925861/perioperative-pulmonary-medication-management
#8
Johnathan Ross Renew, Stephen Aniskevich
BACKGROUND: Pulmonary conditions such as asthma and chronic obstructive pulmonary disease (COPD) are common conditions that warrant special consideration in the perioperative period. When these patients undergo surgical interventions, they have risk of complications such as bronchospasm, hypoxia, and even postoperative respiratory failure that warrants unplanned intensive care unit admission. Thus, clinicians must be familiar with pulmonary medication regimens that are critical for maintaining stable homeostasis of these chronic conditions...
September 18, 2017: Current Clinical Pharmacology
https://www.readbyqxmd.com/read/28924487/a-novel-stop-mutation-p-gln22-of-dax1-nr0b1-results-in-late-onset-x-linked-adrenal-hypoplasia-congenita
#9
Judith Gerards, Michael M Ritter, Elke Kaminsky, Andreas Gal, Wolfgang Hoeppner, Marcus Quinkler
DAX1 (NR0B1) is an orphan nuclear receptor, which plays an important role in development and function of the adrenal glands and gonads. Mutations in DAX1 cause X-linked adrenal hypoplasia congenita (X-linked AHC), which is characterized by adrenal insufficiency (AI) and hypogonadotropic hypogonadism (HHG). Affected boys present with adrenal failure usually in childhood and, later in life, with delayed puberty. However, patients with a late-onset form of X-linked AHC have also been described in the past years...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28893233/clinical-characteristics-of-adrenal-crisis-in-adult-population-with-and-without-predisposing-chronic-adrenal-insufficiency-a-retrospective-cohort-study
#10
Masahiro Iwasaku, Maki Shinzawa, Shiro Tanaka, Kimihiko Kimachi, Koji Kawakami
BACKGROUND: Adrenal crisis (AC) occurs in various clinical conditions but previous epidemiological studies in AC are limited to chronic adrenal insufficiency (AI) and sepsis. The aim of this study was to investigate characteristics of AC patients, including predisposing diseases and to describe candidate risk factors for AC such as comorbidities and glucocorticoid (GC) therapy. METHODS: We conducted a retrospective cohort study using a claims database on 7.4 million patients from 145 acute care hospitals between January 1, 2003 and April 30, 2014...
September 11, 2017: BMC Endocrine Disorders
https://www.readbyqxmd.com/read/28887029/urocortins-actions-in-health-and-heart-failure
#11
REVIEW
Miriam T Rademaker, A Mark Richards
The urocortins (Ucns), endogenous peptides belonging to the corticotropin-releasing factor (CRF) family, are increasingly recognized as having diverse and important multi-system functions, especially within the cardiovascular system. The biological actions of the three Ucns (Ucn1, Ucn2, Ucn3) are mediated via G-protein-coupled CRF receptors, with both peptides and receptors widely distributed throughout tissues and organs contributing to pressure/volume homeostasis including the heart, vasculature, kidneys and adrenals...
September 6, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28878203/biventricular-cardiac-hypertrophy-in-a-patient-with-primary-aldosteronism-and-atrial-septal-defect
#12
Tjokorda Gde Dalem Pemayun, Ridho M Naibaho, Muhammad Achmad Sungkar
BACKGROUND Primary aldosteronism can be caused by adrenocortical adenoma and is usually associated with left ventricular hypertrophy. Biventricular cardiac hypertrophy and heart failure in the presence of a pre-existing atrial septal defect (ASD) are a rare association of primary aldosteronism. CASE REPORT A 33-year-old woman with resistant hypertension and refractory hypokalemia presented with signs and symptoms of heart failure. She had previously been diagnosed having a right adrenal tumor and ostium secundum type ASD...
September 7, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28846569/effects-of-prior-psychosocial-trauma-on-subsequent-immune-response-after-experimental-thorax-trauma
#13
Dominik Langgartner, Annette Palmer, Anne Rittlinger, Stefan O Reber, Markus Huber-Lang
Overshooting inflammation during the early phase after blunt thorax trauma promotes the development of acute respiratory distress syndrome, multiple organ failure and subsequent mortality. Given that individuals diagnosed with stress-related disorders are characterized by chronic low-grade inflammation, we hypothesize that "psychosocial traumatic preload" poses a risk factor for the above mentioned complications following thorax trauma.Here, we employed the chronic subordinate colony housing (CSC) paradigm to induce "psychosocial traumatic preload" and systemic low-grade immune activation in male mice, indicated by elevated plasma concentrations of different inflammatory mediators...
August 25, 2017: Shock
https://www.readbyqxmd.com/read/28836008/alpha2-adrenoceptors-in-adrenomedullary-chromaffin-cells-functional-role-and-pathophysiological-implications
#14
REVIEW
Antonio R Artalejo, Luis Alcides Olivos-Oré
Chromaffin cells from the adrenal medulla participate in stress responses by releasing catecholamines into the bloodstream. Main control of adrenal catecholamine secretion is exerted both neurally (by the splanchnic nerve fibers) and humorally (by corticosteroids, circulating noradrenaline, etc.). It should be noted, however, that secretory products themselves (catecholamines, ATP, opioids, ascorbic acid, chromogranins) could also influence the secretory response in an autocrine/paracrine manner. This form of control is activity-dependent and can be either inhibitory or excitatory...
August 23, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28819949/addison-s-disease-concomitant-with-corticotropin-deficiency-and-pituitary-crh-resistance-a-case-report
#15
Krzysztof C Lewandowski, Katarzyna Malicka, Katarzyna Dąbrowska, Andrzej Lewiński
A 36-year-old woman was found to have a low morning ACTH concentration despite a history of Addison's disease. Past medical history: At the age of 23 years the subject developed Graves's disease, which was treated with radioiodine. At about the same time, she claimed to have two episodes of pancreatitis treated with cholecystectomy. About seven months later she was euthyroid on L-thyroxine (TSH 1.51 mIU/mL) but was admitted with hypotension, hyponatraemia (sodium 109 mmol/L), and low morning cortisol (119 nmol/L)...
2017: Endokrynologia Polska
https://www.readbyqxmd.com/read/28815660/absorption-and-tolerability-of-taste-masked-hydrocortisone-granules-in-neonates-infants-and-children-under-6%C3%A2-years-of-age-with-adrenal-insufficiency
#16
Uta Neumann, Martin J Whitaker, Susanna Wiegand, Heiko Krude, John Porter, Madhu Davies, Dena Digweed, Bernard Voet, Richard J Ross, Oliver Blankenstein
OBJECTIVES: There is no licensed, dose-appropriate formulation of hydrocortisone for children with adrenal insufficiency (AI) and patients rely on compounded adult medication. The aim of this study was to evaluate the absorption, palatability and safety of Infacort(®) , an immediate-release, granule formulation of hydrocortisone with taste masking. STUDY DESIGN: Single site with satellites attended by a "flying" doctor from investigator site. Open-label, single-dose study in three consecutive child cohorts (n = 24) with AI; Cohort 1, children aged 2 to <6 years (n = 12); Cohort 2, infants aged 28 days to <2 years (n = 6); Cohort 3, neonates aged 1 to <28 days (n = 6)...
August 16, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28810889/dehydroepiandrosterone-sulfate-and-dehydroepiandrosterone-sulfate-cortisol-ratio-in-cirrhotic-patients-with-septic-shock-another-sign-of-hepatoadrenal-syndrome
#17
Ming-Hung Tsai, Hui-Chun Huang, Yun-Shing Peng, Yung-Chang Chen, Ya-Chung Tian, Chih-Wei Yang, Jau-Min Lien, Ji-Tseng Fang, Cheng-Shyong Wu, Sen-Yung Hsieh, Fa-Yauh Lee
BACKGROUND: Cirrhotic patients are susceptible to sepsis and critical illness-related corticosteroid insufficiency (CIRCI). Dehydroepiandrosterone sulfate (DHEAS) is a corticotropin-dependent adrenal androgen, which has immunostimulating and antiglucocorticoid effects. Considering the synchronized synthesis of cortisol and DHEAS and their opposing effects to each other, investigators have proposed measuring these two hormones as a ratio. Severe sepsis has been associated with low DHEAS, especially relative to high cortisol...
August 15, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28795169/chronic-pain-and-chronic-stress-two-sides-of-the-same-coin
#18
Chadi G Abdallah, Paul Geha
Pain and stress share significant conceptual and physiological overlaps. Both phenomena challenge the body's homeostasis and necessitate decision-making to help animals adapt to their environment. In addition, chronic stress and chronic pain share a common behavioral model of failure to extinguish negative memories. Yet, they also have discrepancies such that the final brain endophenotype of posttraumatic stress disorder, depression, and chronic pain appears to be different among the three conditions, and the role of the hypothalamic-pituitary-adrenal axis remains unclear in the physiology of pain...
February 2017: Chronic stress
https://www.readbyqxmd.com/read/28775014/brain-heart-interaction-cardiac-complications-after-stroke
#19
REVIEW
Zhili Chen, Poornima Venkat, Don Seyfried, Michael Chopp, Tao Yan, Jieli Chen
Neurocardiology is an emerging specialty that addresses the interaction between the brain and the heart, that is, the effects of cardiac injury on the brain and the effects of brain injury on the heart. This review article focuses on cardiac dysfunction in the setting of stroke such as ischemic stroke, brain hemorrhage, and subarachnoid hemorrhage. The majority of post-stroke deaths are attributed to neurological damage, and cardiovascular complications are the second leading cause of post-stroke mortality...
August 4, 2017: Circulation Research
https://www.readbyqxmd.com/read/28764794/exploration-of-knowledge-and-understanding-in-patients-with-primary-adrenal-insufficiency-a-mixed-methods-study
#20
L M Shepherd, A A Tahrani, C Inman, W Arlt, D M Carrick-Sen
BACKGROUND: Primary adrenal insufficiency (PAI) is a rare and severe condition requiring lifelong steroid replacement. During acute illness or stressful events, it is important to appropriately adjust glucocorticoid dose; failure to do so may lead to an adrenal crisis. The aim of the study was to explore patients PAI knowledge and understanding of the condition, steroid replacement adjustment during acute illness or stress and provided education. METHODS: Ten adult patients with PAI were purposefully recruited from two hospitals in a tertiary NHS Trust in England, UK...
August 1, 2017: BMC Endocrine Disorders
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