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https://www.readbyqxmd.com/read/28721215/assessment-of-season-dependent-body-condition-scores-in-relation-to-faecal-glucocorticoid-metabolites-in-free-ranging-asian-elephants
#1
Sanjeeta Sharma Pokharel, Polani B Seshagiri, Raman Sukumar
We studied seasonal and annual changes in visual body condition scores (BCSs), and assessed how these scores were related to levels of faecal glucocorticoid metabolites (fGCMs) in free-ranging Asian elephants (Elephas maximus) in the seasonally dry tropical forests of the Mysore and Nilgiri Elephant Reserves in southern India. We assessed the animals' BCS visually on a scale of 1 to 5; where 1 represents a very thin and 5 represents a very fat elephant. To understand the influence of seasonality on BCS, we sampled the population during dry (n = 398) and wet seasons (n = 255) of 2013 and 2015 while, for annual changes in BCS, we sampled nine free-ranging adult females from different family groups that had been repeatedly sighted over seven years...
2017: Conservation Physiology
https://www.readbyqxmd.com/read/28714126/annual-research-review-early-adversity-the-hypothalamic-pituitary-adrenocortical-axis-and-child-psychopathology
#2
REVIEW
Kalsea J Koss, Megan R Gunnar
BACKGROUND: Research on early adversity, stress biology, and child development has grown exponentially in recent years. FINDINGS: We review the current evidence for the hypothalamic-pituitary-adrenocortical (HPA) axis as a stress-mediating mechanism between various forms of childhood adversity and psychopathology. We begin with a review of the neurobiology of the axis and evidence for relations between early adversity-HPA axis activity and HPA axis activity-psychopathology, as well as discuss the role of regulatory mechanisms and sensitive periods in development...
July 17, 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/28710789/atr-101-inhibits-cholesterol-efflux-and-cortisol-secretion-by-abc-transporters-causing-cytotoxic-cholesterol-accumulation-in-adrenocortical-carcinoma-cells
#3
Veronica Elizabeth Burns, Tom Klaus Kerppola
BACKGROUND AND PURPOSE: To further the development of new agents for the treatment of adrenocortical carcinoma (ACC), we characterized the molecular and cellular mechanisms of cytotoxicity by the adrenalytic compound ATR-101 (PD132301-02). EXPERIMENTAL APPROACH: We compared the effects of ATR-101, PD129337, and ABC transporter inhibitors, on cholesterol accumulation and efflux, on cortisol secretion, on ATP levels, and on caspase activation in ACC-derived cell lines...
July 14, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28710381/evaluation-and-diagnostic-potential-of-circulating-extracellular-vesicle-associated-micrornas-in-adrenocortical-tumors
#4
Pál Perge, Henriett Butz, Raffaele Pezzani, Irina Bancos, Zoltán Nagy, Krisztina Pálóczi, Gábor Nyírő, Ábel Decmann, Erna Pap, Michaela Luconi, Massimo Mannelli, Edit I Buzás, Miklós Tóth, Marco Boscaro, Attila Patócs, Peter Igaz
There is no available blood marker for the preoperative diagnosis of adrenocortical malignancy. The objective of this study was to investigate the expression of extracellular vesicle-associated microRNAs and their diagnostic potential in plasma samples of patients suffering from adrenocortical tumors. Extracellular vesicles were isolated either by using Total Exosome Isolation Kit or by differential centrifugation/ultracentrifugation. Preoperative plasma extracellular vesicle samples of 6 adrenocortical adenomas (ACA) and 6 histologically verified adrenocortical cancer (ACC) were first screened by Taqman Human Microarray A-cards...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28706747/adrenal-rest-tumor-of-the-liver-preoperatively-diagnosed-as-hepatocellular-carcinoma
#5
Megumu Enjoji, Katsuya Sanada, Ryota Seki, Takashi Ito, Masato Maeda
BACKGROUND: Hepatic adrenal rest tumors are rare and show similar findings to hepatocellular carcinoma (HCC). It is difficult to distinguish an adrenal rest tumor from HCC due to radiological similarity. We report a case of an adrenal rest tumor in the liver that mimicked HCC radiologically. CASE PRESENTATION: A 67-year-old female was referred to our hospital due to the finding of a hepatic mass. Enhanced computed tomography revealed a 17 mm well-defined tumor that was enhanced in the arterial phase and washed out in the portal and delayed phase in the posterosuperior subsegment of the right hepatic lobe, and HCC was suspected...
2017: Case Reports in Surgery
https://www.readbyqxmd.com/read/28700470/salivary-alpha-amylase-salivary-cortisol-and-anxiety-during-a-youth-taekwondo-championship-an-observational-study
#6
Laura Capranica, Giancarlo Condello, Francesco Tornello, Teresa Iona, Salvatore Chiodo, Anna Valenzano, Mario De Rosas, Giovanni Messina, Antonio Tessitore, Giuseppe Cibelli
The aim of this study was to assess the stress-related responses and the coach's capability to match perceived efforts of youth athletes during a taekwondo championship.Using a cross-sectional study design, salivary cortisol (sC) and alpha-amylase (sAA) were measured in 6 males and 3 females young (11.0 ± 0.9 years) athletes at awakening, 5 minutes before, and 1 minute and 30 minutes after official combats. State anxiety was recorded 60 minutes before the first competition, whereas coach's and athletes' ratings of perceived exertion (RPE) were obtained at the end of the combats...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28699986/diagnosis-and-management-of-primary-aldosteronism
#7
Leticia A P Vilela, Madson Q Almeida
Primary aldosteronism (PA) is the most common form of secondary hypertension (HTN), with an estimated prevalence of 4% of hypertensive patients in primary care and around 10% of referred patients. Patients with PA have higher cardiovascular morbidity and mortality than age- and sex-matched patients with essential HTN and the same degree of blood pressure elevation. PA is characterized by an autonomous aldosterone production causing sodium retention, plasma renin supression, HTN, cardiovascular damage, and increased potassium excretion, leading to variable degrees of hypokalemia...
May 2017: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28698403/identifying-mitotane-induced-mitochondria-associated-membranes-dysfunctions-metabolomic-and-lipidomic-approaches
#8
Ségolène Hescot, Larbi Amazit, Marie Lhomme, Simon Travers, Anais DuBow, Stéphanie Battini, Geoffrey Boulate, Izzie Jacques Namer, Anne Lombès, Anatol Kontush, Alessio Imperiale, Eric Baudin, Marc Lombès
Mitotane (o,p'DDD), the most effective drug in adrenocortical carcinoma, concentrates into the mitochondria and impacts mitochondrial functions. To address the molecular mechanisms of mitotane action and to identify its potential target, metabolomic and lipidomic approaches as well as imaging analyses were employed in human adrenocortical H295R cells allowing identification of Mitochondria-Associated Membranes dysfunction as a critical impact of mitotane. Study of intracellular energetic metabolites by NMR spectroscopy showed that mitotane significantly decreased aspartate while concomitantly increased glutamate content in a time- and concentration-dependent manner...
July 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28695321/angiogenesis-and-lymphangiogenesis-in-the-adrenocortical-tumors
#9
Sofia S Pereira, Madalena M Costa, Susana G Guerreiro, Mariana P Monteiro, Duarte Pignatelli
Adrenocortical tumors (ACT) are common adrenal tumors. The majority of ACTs are non-functioning and benign, while adrenocortical carcinomas (ACC) are rare, usually very aggressive and often metastasized when first diagnosed. Our aim was to assess whether blood and lymph vessel density within ACTs correlate with the malignancy character or tumor functionality. For that, the microvascular distribution was evaluated by immunohistochemistry staining with D2-40 antibody, for lymph vessels and CD-31 antibody, for blood vessels, in ACCs (n = 15), adenomas with Cushing syndrome (n = 9) and non-functioning adenomas (n = 10)...
July 10, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28692553/simultaneous-presentation-of-wilms-tumor-and-immature-ovarian-teratoma-in-beckwith-wiedemann-syndrome
#10
Jason C White, Jinglan Liu, Akash Nahar
The Beckwith-Wiedemann syndrome is a cancer predisposition syndrome characterized by a predilection to embryonal tumor growth, especially Wilms tumor, adrenocortical carcinomas, and hepatoblastomas. Genetic analysis of patients has revealed a link to the imprinted domain of the 11p15.5 chromosome and methylation status of the H19 locus and Igf-2. These genes have also been studied in other cancers, including ovarian teratomas. Our case is a patient with a simultaneous presentation of a Wilms tumor and immature ovarian teratoma and subsequently diagnosed with Beckwith-Wiedemann syndrome, which has not been previously described...
July 7, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28687023/adrenalectomy-for-incidentaloma-lessons-learned-from-a-single-centre-series-of-274-patients
#11
Sébastien Gaujoux, Adeline Aimé, Guillaume Assié, Roberto Ciuni, Stéphane Bonnet, Florence Tenenbaum, Jérome Bertherat, Bertrand Dousset
BACKGROUND: Adrenal incidentalomas are increasingly diagnosed and include a wide spectrum of lesions from benign adenomas to secreting or malignant lesions. The aim of the present study is to report a large single-institution experience of patients undergoing surgery for adrenal incidentaloma with particular attention to their diagnosis and post-operative course and the evolution of surgical practice over time. METHODS: From 1993 to 2013, 274 patients underwent adrenalectomy for incidentaloma...
July 7, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28680609/hydrocortisone-therapy-in-a-cat-with-vasopressor-refractory-septic-shock-and-suspected-critical-illness-related-corticosteroid-insufficiency
#12
Simone R R Pisano, Judith Howard, Horst Posthaus, Alan Kovacevic, Ivayla D Yozova
A 27-month-old female cat was presented with septic peritonitis secondary to a ruptured pyometra and subsequent pyothorax. Vasopressor-refractory septic shock led to a suspicion of critical illness-related corticosteroid insufficiency, successfully treated with intravenous hydrocortisone. Previous megestrol acetate administration may have played a role in the development of adrenocortical dysfunction.
July 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28678409/exposure-to-chronic-variable-social-stress-during-adolescence-alters-affect-related-behaviors-and-adrenocortical-activity-in-adult-male-and-female-inbred-mice
#13
Michael J Caruso, Helen M Kamens, Sonia A Cavigelli
Rodent models provide valuable insight into mechanisms that underlie vulnerability to adverse effects of early-life challenges. Few studies have evaluated sex differences in anxiogenic or depressogenic effects of adolescent social stress in a rodent model. Furthermore, adolescent stress studies often use genetically heterogeneous outbred rodents which can lead to variable results. The current study evaluated the effects of adolescent social stress in male and female inbred (BALB/cJ) mice. Adolescent mice were exposed to repeat cycles of alternating social isolation and social novelty for 4 weeks...
July 5, 2017: Developmental Psychobiology
https://www.readbyqxmd.com/read/28676429/the-role-of-armc5-in-human-cell-cultures-from-nodules-of-primary-macronodular-adrenocortical-hyperplasia-pmah
#14
Isadora P Cavalcante, Miriam Nishi, Maria Claudia N Zerbini, Madson Q Almeida, Vania B Brondani, Maria Lucia Botelho, Fabio Y Tanno, Victor Srougi, José Luis Chambo, Berenice B Mendonça, Jerôme Bertherat, Claudimara Ferini Pacicco Lotfi, Maria Candida B V Fragoso
The participation of aberrant receptors and intra-adrenal ACTH in hyperplastic tissue are considered mechanisms that regulate hypercortisolism in PMAH. Additionally, germline ARMC5 mutations have been described as the most frequent genetic abnormality found in patients diagnosed with PMAH. Previous functional studies analyzed ARMC5 role using H295R cells. Therefore, we investigated the role of ARMC5 in cell cultures obtained from PMAH nodules containing steroidogenic cells, aberrant receptors and intra-adrenal ACTH...
July 1, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28675250/effects-of-different-rest-stop-durations-at-control-posts-during-a-long-journey-on-the-welfare-of-sheep
#15
Stefano Messori, Cecilia Pedernera-Romano, Pedro Rodriguez, Shanis Barnard, Daniele Giansante, Diego Magnani, Antoni Dalmau, Antonio Velarde, Paolo Dalla Villa
All livestock transport within the European Union must comply with the EC Regulation 1÷2005. For sheep, this law prescribes a maximum journey of 29 hours after which animals must rest in control posts (CP) for 24 hours before further transportation. However, there is no scientific evidence de ning the effects of di erent stop duration on sheep recovery during long journeys. The aim of this study was to assess if a shorter stop could be provided without impairing ewes' welfare. Ninety-six adult ewes were divided into 4 homogenous groups...
June 30, 2017: Veterinaria Italiana
https://www.readbyqxmd.com/read/28674598/cortisol-and-alpha-amylase-changes-during-an-ultra-running-event
#16
Whitney P Deneen, Alexis B Jones
Elevated stress hormone concentrations can positively affect an athlete's overall performance during a competition, and in many cases, are necessary to be able to perform exercise. During extreme exercise, the body's ability to utilize energy efficiently can affect an athlete's performance. Elevated hormonal concentrations can have many benefits in regards to an athlete's overall performance during a competition. The purpose of this study was to examine the effects of long distance running, such as seen during an ultra-running event (distances beyond 26...
2017: International Journal of Exercise Science
https://www.readbyqxmd.com/read/28673446/diagnostic-efficacy-of-the-liver-imaging-reporting-and-data-system-li-rads-with-ct-imaging-in-categorising-small-nodules-10-20%C3%A2-mm-detected-in-the-cirrhotic-liver-at-screening-ultrasound
#17
M Abd Alkhalik Basha, D Abd El Aziz El Sammak, A A El Sammak
AIM: To estimate the diagnostic accuracy of the Liver Imaging-Reporting and Data System (LI-RADS) with computed tomography (CT) for diagnosing hepatic nodules (10-20 mm) detected in cirrhotic livers. MATERIALS AND METHODS: Fifty-five patients with liver cirrhosis and a solitary nodule (10-20 mm in diameter) detected via ultrasound surveillance, underwent hepatic CT and fine-needle biopsy. All the CT images were analysed and the lesions were categorised into five categories according to the LI-RADS...
June 30, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28668711/dhea-and-dhea-s-levels-in-posttraumatic-stress-disorder-a-meta-analytic-review
#18
REVIEW
Mirjam van Zuiden, Sanne Q Haverkort, Zhonglin Tan, Joost Daams, Anja Lok, Miranda Olff
Differences in hypothalamic-pituitary-adrenocortical (HPA) functioning between patients with posttraumatic stress disorder (PTSD) and controls are among the most consistent neurobiological findings in PTSD. HPA-axis activation results in the output of various steroid hormones including dehydroepiandrosterone (DHEA), which is then converted into dehydroepiandrosterone sulfate (DHEA-S), with anti-glucocorticoid actions among its pleiotropic effects. To investigate whether there is evidence for consistent differences in basal DHEA and DHEA-s levels between individuals with and without PTSD, we performed random-effect meta-analyses aggregating findings of previously published studies...
June 15, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28666938/death-of-adrenocortical-cells-during-murine-acute-t-cruzi-infection-is-not-associated-with-tnf-r1-signaling-but-mostly-with-the-type-ii-pathway-of-fas-mediated-apoptosis
#19
Ana R Pérez, Flavia Lambertucci, Florencia B González, Eduardo A Roggero, Oscar A Bottasso, Juliana de Meis, Maria T Ronco, Silvina R Villar
Earlier studies from our laboratory demonstrated that acute experimental Trypanosoma cruzi infection promotes an intense inflammation along with a sepsis-like dysregulated adrenal response characterized by normal levels of ACTH with raised glucocorticoid secretion. Inflammation was also known to result in adrenal cell apoptosis, which in turn may influence HPA axis uncoupling. To explore factors and pathways which may be involved in the apoptosis of adrenal cells, together with its impact on the functionality of the gland, we carried out a series of studies in mice lacking death receptors, such as TNF-R1 (C57BL/6-(Tnfrsf1a tm1Imx) or TNF-R1(-/-)) or Fas ligand (C57BL/6 Fas-deficient lpr mice), undergoing acute T...
June 27, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28662713/the-neutrophil-to-lymphocyte-ratio-nlr-predicts-adrenocortical-carcinoma-and-is-correlated-with-the-prognosis
#20
Taku Mochizuki, Takashi Kawahara, Daiji Takamoto, Kazuhide Makiyama, Yusuke Hattori, Jun-Ichi Teranishi, Yasuhide Miyoshi, Yasushi Yumura, Masahiro Yao, Hiroji Uemura
BACKGROUND: The neutrophil-to-lymphocyte ratio (NLR) is reported as a biomarker for some solid malignant diseases. Thus far, however, no reports of the relationship between the NLR and adrenal tumors have been published. We analyzed the utility of the preoperative NLR as a biomarker for predicting the prognosis or diagnosis of malignant disease. METHODS: A total of 59 patients with adrenal tumors (13 cases of malignant disease and 46 with benign disease) were analyzed in this study from February 2004 to June 2015 at our institute...
June 29, 2017: BMC Urology
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