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https://www.readbyqxmd.com/read/28729436/regulation-of-adrenal-and-ovarian-steroidogenesis-by-mir-132
#1
Zhigang Hu, Wen-Jun Shen, Fredric B Kraemer, Salman Azhar
miR-132 is hormonally regulated in steroidogenic cells of the adrenal gland, ovary and testis. Here, we examined the potential role of miR-132 in the control of steroidogenesis. Transfection of Y1 adrenal cells with miR-132 increased mRNAs of 3β-HSD and 20α-HSD enzymes, which catalyze the sequential conversion of pregnenolone to progesterone to biologically inactive 20α-OHP. Overexpression of miR-132 reduced MeCP2 and StAR protein expression, basal progestin (progesterone and 20α-OHP) production, but enhanced their production in response to cAMP stimulation...
July 20, 2017: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/28728749/numb-chin-with-mandibular-pain-or-masticatory-weakness-as-indicator-for-systemic-malignancy-a-case-series-study
#2
Shin-Yu Lu, Shu-Hua Huang, Yen-Hao Chen
BACKGROUND/PURPOSE: Numb chin syndrome (NCS) is a critical sign of systemic malignancy; however it remains largely unknown by clinicians and dentists. The aim of this study was to investigate NCS that is more often associated with metastatic cancers than with benign diseases. METHODS: Sixteen patients with NCS were diagnosed and treated. The oral and radiographic manifestations were assessed. RESULTS: Four (25%) of 16 patients with NCS were affected by nonmalignant diseases (19% by medication-related osteonecrosis of the jaw and 6% by osteopetrosis); yet 12 (75%) patient conditions were caused by malignant metastasis, either in the mandible (62%) or intracranial invasion (13%)...
July 17, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28728228/-composite-pheochromocytoma-in-adrenal-gland-report-of-a-case
#3
(no author information available yet)
No abstract text is available yet for this article.
July 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28728007/direct-immune-detection-of-cortisol-by-chemiresistor-graphene-oxide-sensor
#4
Yo-Han Kim, Kyungmin Lee, Hunsang Jung, Hee Kyung Kang, Jihoon Jo, In-Kyu Park, Hyun Ho Lee
In this study, a biosensor to detect a stress biomarker of cortisol using cortisol monoclonal antibody (c-Mab) covalently immobilized on reduced graphene oxide (rGO) channel as electrical sensing element was demonstrated. Highly specific immune-recognition between the c-Mab and the cortisol was identified and characterized on a basis of resistance change at the rGO channel based chemiresistor sensor achieving the limit of detection of 10pg/mL (27.6 pM). In addition, cortisol concentrations of real human salivary sample and buffer solution of rat adrenal gland acute slices, which could secret the cortisol induced by adrenocorticotropic hormone (ACTH), were directly measured by the chemiresistor corresponding to the specific sensing of the cortisol...
July 11, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28724838/csk-regulates-blood-pressure-by-controlling-the-synthetic-pathways-of-aldosterone
#5
Sung-Moon Kim, Ji-One Kang, Ji Eun Lim, Sue-Yun Hwang, Bermseok Oh
BACKGROUND: Blood pressure is regulated by a network of diverse physiological pathways. The C-terminal Src kinase (CSK) locus (15q24) is associated with blood pressure in various ethnic groups. It was recently reported thatCskinsufficiency increases blood pressure through Src. The mechanisms of hypertension inCsk(+/-)mice are examined further in this study.Methods and Results:To identify a causal component responsible for hypertension inCsk(+/-), the heart rate was measured by electrocardiogram and plasma volume by Evans blue dilution...
July 20, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28722004/oral-gingival-metastasis-a-diagnostic-dilemma
#6
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/28721596/central-adrenal-insufficiency-following-traumatic-brain-injury-a-missed-diagnosis-in-the-critically-injured
#7
Eileen Fan, Peter W Skippen, Michael A Sargent, David D Cochrane, Jean-Pierre Chanoine
BACKGROUND: High-dose steroid administration is no longer recommended in the treatment of acute traumatic brain injury (TBI) as it failed to prove beneficial in improving patients' outcome. However, a masked benefit of steroid administration in TBI management was that it provided corticosteroid replacement therapy in patients with TBI-related central adrenal insufficiency. CASE PRESENTATION: We report the case of a 12-year-old boy who suffered a severe TBI from a motor vehicle accident that resulted in complete deficiency of anterior pituitary function...
July 18, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28721348/systematic-genetic-screening-in-a-prospective-group-of-danish-patients-with-pheochromocytoma
#8
Morten Steen Svarer Hansen, Niels Jacobsen, Anja Lisbeth Frederiksen, Lars Lund, Marianne Skovsager Andersen, Dorte Glintborg
Recent guidelines recommend consideration of genetic screening in all newly diagnosed patients with pheochromocytoma. Patients diagnosed with pheochromocytoma in the Region of Southern Denmark during 2006-2013 without previously recognized monogenetic etiology were offered genetic screening for mutations in the VHL, RET, SDHB, SDHC, and SDHD genes. A total of 41 patients were included, and genetic data were available in 35. In four of the 35 patients, a pathogenic variant was identified prior to the diagnosis of pheochromocytoma (von Hippel-Lindau disease, n=2; neurofibromatosis type 1, n=2)...
2017: Research and Reports in Urology
https://www.readbyqxmd.com/read/28721131/adrenopause-does-it-really-exist
#9
REVIEW
Lucyna Papierska
In ageing human adrenal glands there occur some morphological changes which result in alterations of their cortex endocrine function. Glucocorticoid-excreting cells in the zona glomerulosa live longer than androgen-producing cells in the zona reticularis, which undergo significant apoptosis. Therefore, in elderly humans cortisol levels are normal (significantly higher than at young age), while adrenal androgen concentrations decline with ageing. Function of the zona glomerulosa is affected by the adrenal status, circulatory system condition, efficiency of the kidneys and liver and medication...
June 2017: Przeglad Menopauzalny, Menopause Review
https://www.readbyqxmd.com/read/28717330/an-experimental-evaluation-of-adaptogenic-potential-of-standardized-epipremnum-aureum-leaf-extract
#10
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/28716938/dynamic-responses-of-the-adrenal-steroidogenic-regulatory-network
#11
Francesca Spiga, Eder Zavala, Jamie J Walker, Zidong Zhao, John R Terry, Stafford L Lightman
The hypothalamic-pituitary-adrenal axis is a dynamic system regulating glucocorticoid hormone synthesis in the adrenal glands. Many key factors within the adrenal steroidogenic pathway have been identified and studied, but little is known about how these factors function collectively as a dynamic network of interacting components. To investigate this, we developed a mathematical model of the adrenal steroidogenic regulatory network that accounts for key regulatory processes occurring at different timescales...
July 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28713603/adrenal-ganglioneuroblastoma-in-adults-a-case-report-and-review-of-the-literature
#12
Stefano Benedini, Giorgia Grassi, Carmen Aresta, Antonietta Tufano, Luca Fabio Carmignani, Barbara Rubino, Livio Luzi, Sabrina Corbetta
Incidentally discovered adrenal masses are very common given the increased number of imaging studies performed in recent years. We here report a clinical case of a 20-year-old woman who presented with left flank pain. Ultrasound examination revealed a contralateral adrenal mass, which was confirmed at computed tomography (CT) scan. Hormonal hypersecretion was excluded. Given the size (11 × 10 × 7 cm) and the uncertain nature of the mass, it was surgically removed and sent for pathological analyses. Conclusive diagnosis was ganglioneuroblastoma...
2017: Case Reports in Endocrinology
https://www.readbyqxmd.com/read/28713097/-drug-induced-changes-in-adrenal-cortex-function
#13
Robert Krysiak, Karolina Kowalcze, Bogusław Okopień
Glucocorticoids, commonly used in the treatment of various disorders, particularly if administered at high doses, may lead to the development of iatrogenic Cushing's syndrome, being by far the most common iatrogenic disorder of the adrenal gland. In some cases, however, adrenal cortex function may be affected by other drugs and risk of the development of various clinical entities is dependent on the drug, its dose, as well as on the duration of the treatment. This risk is also related to the baseline function of this gland...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28709905/royal-jelly-decreases-corticosterone-levels-and-improves-the-brain-antioxidant-system-in-restraint-and-cold-stressed-rats
#14
Renata Roland Teixeira, Adriele Vieira de Souza, Leonardo Gomes Peixoto, Helen Lara Machado, Douglas Carvalho Caixeta, Danielle Diniz Vilela, Nathalia Belele Baptista, Celso Rodrigues Franci, Foued Salmen Espindola
Restraint and cold stress induces the hypothalamic-pituitary-adrenal (HPA) axis to release corticosterone from the adrenal gland, which can worsen the antioxidant defense system in the central nervous system. Here, we investigated the corticosterone levels and the antioxidant defense system in the cerebellum and brain, as well as in its isolated regions, such as cerebral cortex, striatum and hippocampus of stressed rats supplemented with royal jelly (RJ). Wistar rats were supplemented with RJ for 14days and the stress induction started on the 7th day...
July 11, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28708774/identifying-unilateral-disease-in-chinese-patients-with-primary-aldosteronism-by-using-a-modified-prediction-score
#15
Ying Zhang, Wenquan Niu, Fangfang Zheng, Hua Zhang, Wenlong Zhou, Zhoujun Shen, Jianzhong Xu, Xiaofeng Tang, Jin Zhang, Ping-Jin Gao, Ji-Guang Wang, Limin Zhu
OBJECTIVE: The current study aimed to evaluate the role of Küpers' score in predicting unilateral aldosteronism, and develop a modified score in Chinese patients with primary aldosteronism. METHODS: The current retrospective study included 406 patients with primary aldosteronism who underwent successful adrenal venous sampling (AVS) and were divided into the unilateral (n = 211) and bilateral (n = 195) groups according to the AVS results. Normokalemia was noted in both the unilateral (n = 64) and bilateral groups (n = 84) when plasma and urinary aldosterone were measured...
July 20, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28707538/adrenal-cortical-hyperplasia-diagnostic-workup-subtypes-imaging-features-and-mimics
#16
Michelle Agrons, Corey T Jensen, Mouhammed Amir Habra, Christine O Menias, Akram M Shaaban, Nicolaus A Wagner-Bartak, Alicia M Roman-Colon, Khaled M Elsayes
Adrenal cortical hyperplasia manifests radiologically as the nonmalignant growth, or enlargement of the adrenal glands, specifically the cortex, although the cortex cannot be definitively identified by conventional imaging. Controlled by the pituitary gland, the adrenal cortex drives critical processes, such as cortisol, mineralocorticoid, and sex hormone production. Any disruption in the multiple enzymes and hormones involved in these pathways may cause serious or life-threatening symptoms, often associated with anatomical changes of the adrenal glands...
July 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28705849/anaplastic-carcinoma-of-thyroid-gland-with-widespread-soft-tissue-metastasis-an-unusual-presentation
#17
Muhammad Hassan, Taimoor Khalid Janjua, Hira Khan Afridi, Naila Anjum Zahid
Anaplastic thyroid cancer is the rarest tumour of the thyroid gland, representing only 2% of clinically recognised thyroid cancers. The most common metastatic sites are lungs, followed by the intrathoracic and neck lymph nodes. We report the case of a 62-year-old woman who presented to our setting with multiple soft tissue nodules, thyroid mass, head swelling and weight loss. Radiological investigation showed a large thyroid mass with widespread metastasis in subcutaneous tissues of both upper limbs, chest and abdomen...
July 13, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28704339/quantitative-analysis-of-normal-and-pathologic-adrenal-glands-with-18f-fdopa-pet-ct-focus-on-pheochromocytomas
#18
Aurélie Moreau, Anne L Giraudet, David Kryza, Françoise Borson-Chazot, Claire Bournaud, Thomas Mognetti, Jean-Christophe Lifante, Patrick Combemale, Francesco Giammarile, Claire Houzard
INTRODUCTION: Many studies have reported the high performance of 6-fluorine-18-fluorodihydroxyphenilalanine (F-FDOPA) PET/CT in the diagnosis of pheochromocytomas but nobody seems to have investigated physiological and pathological adrenal glands from a quantitative point of view. The purpose of the present study was to assess the quantitative F-FDOPA uptake of normal and pathologic adrenal glands and to establish thresholds to characterize pheochromocytomas. We were especially interested in characterizing the remaining adrenal glands captation after an adrenalectomy...
July 12, 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28697195/fluorine-18-fdg-pet-ct-in-a-patient-with-angiomyolipoma-response-to-mammalian-target-of-rapamycin-inhibitor-therapy
#19
Hoda Anwar, Christos Sachpekidis, Matthias Schwarzbach, Antonia Dimitrakopoulou-Strauss
We report on a 27 years old female patient who was referred to our department for whole-body as well as dynamic positron emission tomography/computed tomography (dPET/CT) scan of the upper and middle abdomen with fluorine-18-fluorodeoxy glucose ((18)F-FDG), for further evaluation of a mass in the left adrenal gland region. Positron emission tomography showed a suspicious, enlarged, hypermetabolic mass with an average standardized uptake value (SUV) of 4.5 and a maximum SUV of 5.9. The patient was referred for biopsy, which revealed an angiomyolipoma, a perivascular epithelioid cell tumor (PEComa) of the adrenal gland...
July 12, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28693955/adaptogenic-potential-of-oxitard-in-experimental-chronic-stress-and-chronic-unpredictable-stress-induced-dysfunctional-homeostasis-in-rodents
#20
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
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