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https://www.readbyqxmd.com/read/28329921/neuroendocrine-tumors-in-the-stomach-duodenum-and-pancreas-accompanied-by-novel-men1-gene-mutation
#1
Min A Yang, Woong Ki Lee, Hong Shik Shin, Sung Hyun Park, Byung Sun Kim, Ji Woong Kim, Jin Woong Cho, So Hee Yun
Multiple endocrine neoplasia type 1 (MEN1) syndrome is a relatively rare disease, characterized by the occurrence of multiple endocrine tumors in the parathyroid and pituitary glands as well as the pancreas. Here, we report a case of MEN1 with neuroendocrine tumors (NETs) in the stomach, duodenum, and pancreas. A 53-year-old man visited our hospital to manage gastric NET. Five years prior to his visit, he had undergone surgery for incidental meningioma. His brother had pancreatic nodules and a history of surgery for adrenal adenoma...
March 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28324048/demonstration-of-a-functional-kiss-kissr-system-in-amphioxus-with-implications-for-origin-of-neuroendocrine-regulation
#2
Peng Wang, Meng Wang, Guangdong Ji, Shuangshuang Yang, Shicui Zhang, Zhenhui Liu
Amphioxus belongs to the Cephalochordata, which is the most basal subphylum of the chordates. Despite many studies on the endocrine system of amphioxus, key information about its regulation remains ambiguous. Here we clearly demonstrated the presence of a functional kisspeptin/kisspeptin receptor (Kiss-Kissr) system, which is involved in the regulation of reproduction in amphioxus. Evolutionary analyses revealed large expansion of Kiss and Kissr (gpr54) genes in amphioxus and they might represent the ancestral type of the Kiss/gpr54 genes in chordates...
January 24, 2017: Endocrinology
https://www.readbyqxmd.com/read/28324015/paternally-inherited-dlk1-deletion-associated-with-familial-central-precocious-puberty
#3
Andrew Dauber, Marina Cunha-Silva, Delanie B Macedo, Vinicius N Brito, Ana Paula Abreu, Stephanie A Roberts, Luciana R Montenegro, Melissa Andrew, Andrew Kirby, Matthew T Weirauch, Guillaume Labilloy, Danielle S Bessa, Rona S Carroll, Dakota C Jacobs, Patrick E Chappell, Berenice B Mendonca, David Haig, Ursula B Kaiser, Ana Claudia Latronico
Context: Central precocious puberty (CPP) results from premature activation of the hypothalamic-pituitary-gonadal axis. Few genetic causes of CPP have been identified with the most common being mutations in the paternally expressed imprinted gene MKRN3. Objective: To identify the genetic etiology of CPP in a large multigenerational family. Design: Linkage analysis followed by whole genome sequencing was performed in a family with 5 female members with nonsyndromic CPP...
January 27, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28322240/international-spinal-cord-injury-endocrine-and-metabolic-extended-data-set
#4
W A Bauman, J M Wecht, F Biering-Sørensen
OBJECTIVE: The objective of this study was to develop the International Spinal Cord Injury (SCI) Endocrine and Metabolic Extended Data Set (ISCIEMEDS) within the framework of the International SCI Data Sets that would facilitate consistent collection and reporting of endocrine and metabolic findings in the SCI population. SETTING: This study was conducted in an international setting. METHODS: The ISCIEMEDS was developed by a working group...
March 21, 2017: Spinal Cord
https://www.readbyqxmd.com/read/28315020/novel-biomarkers-for-non-functioning-invasive-pituitary-adenomas-were-identified-by-using-analysis-of-micrornas-expression-profile
#5
Silin Wu, Ye Gu, Yuying Huang, Tyh-Chai Wong, Hailin Ding, Tengfei Liu, Yu Zhang, Xiaobiao Zhang
The microRNAs (miRNAs) are involved in multiple pathological processes among various types of tumors. However, the functions of miRNAs in benign brain tumors are largely unexplored. In order to explore the pathogenesis of the invasiveness in non-functional pituitary adenoma (NFPA), the miRNAs expression profile was analyzed between invasive and non-invasive non-functional pituitary adenoma by miRNAs microarray. Six most significant differentially expressed miRNAs were identified including four upregulated miRNAs hsa-miR-181b-5p, hsa-miR-181d, hsa-miR-191-3p, and hsa-miR-598 and two downregulated miRNAs hsa-miR-3676-5p and hsa-miR-383...
March 17, 2017: Biochemical Genetics
https://www.readbyqxmd.com/read/28300671/the-effect-of-cart-on-pituitary-hormones-release-from-cultured-pituitary-cells-harvested-from-fasted-and-fed-ad-libitum-male-rats
#6
M Chmielowska, B Baranowska, E Wolinska-Witort, L Martynska, M Kalisz, A Litwiniuk, W Bik
Cocaine and Amphetamine-Regulated Transcript (CART) is widely expressed in the central nervous system and in several endocrine organs. CART is an important factor in the regulation of energy homeostasis. The aim of the study was to assess the role of CART in physiological response of pituitary cells in a course of starvation. The pituitary cells harvested from starved and fed ad libitum male rats were cultured for 48h and treated with: 0.1nM, 1nM, 10nM or 100nM doses of CART. The medium was collected after 60min and stored at -70°C until samples were further assayed for: LH, FSH, PRL, GH, TSH and ACTH...
March 11, 2017: Peptides
https://www.readbyqxmd.com/read/28297688/-a-case-of-a-pituitary-adenoma-diagnosed-as-carney-complex-syndrome-in-an-older-female-patient
#7
Ai Okamoto, Daisuke Wajima, Rinsei Tei, Yasushi Shin, Misato Inoue, Shuta Aketa, Taiji Yonezawa
Carney complex syndrome is an autosomal dominant familial tumor syndrome first described by Carney et al. in 1985. The diagnostic criteria include endocrine hyperactivity and spotty skin pigmentation. A 73-year-old woman with cerebral infarction was referred to our department because her brain magnetic resonance imaging(MRI)revealed a pituitary tumor. Her blood tests revealed elevated levels of growth hormone(GH), thyroid stimulating hormone(TSH), and insulin-like growth factor-1(IGF-1). We suspected the presence of a GH-secreting tumor and performed the operation...
March 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28295370/the-human-endolymphatic-sac-expresses-natriuretic-peptides
#8
Martin Nue Møller, Svend Kirkeby, Jonas Vikeså, Finn Cilius Nielsen, Per Cayé-Thomasen
OBJECTIVES/HYPOTHESIS: The function of the human endolymphatic sac (ES) has been enigmatic for decades. Hypotheses include controlling endolymphatic fluid homeostasis and inner ear immunological defense. Additionally, several studies indicate a possible endocrine capacity and a yet undefined role in intracranial pressure homeostasis. However, no direct evidence of such capacity exists. This study aims to explore and identify the hypothesized endocrine capacity of the human ES. STUDY DESIGN: DNA microarrays and immunohistochemistry were used for analyses of fresh human ES tissue samples...
March 14, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28294570/how-does-obesity-affect-the-endocrine-system-a-narrative-review
#9
REVIEW
M Poddar, Y Chetty, V T Chetty
Obesity is a chronic, relapsing medical condition that results from an imbalance of energy expenditure and consumption. It is a leading cause of preventable illness, disability and premature death. The causes of obesity are multifactorial and include behavioural, socioeconomic, genetic, environmental and psychosocial factors. Rarely are endocrine diseases, e.g., hypothyroidism or Cushing's syndrome, the cause of obesity. What is less understood is how obesity affects the endocrine system. In this review, we will discuss the impact of obesity on multiple endocrine systems, including the hypothalamic-pituitary axis, changes in vitamin D homeostasis, gender steroids and thyroid hormones...
March 15, 2017: Clinical Obesity
https://www.readbyqxmd.com/read/28286276/the-value-of-intraoperative-mri-in-endoscopic-and-microsurgical-transsphenoidal-pituitary-adenoma-resection
#10
Andrej Paľa, Andreas Knoll, Christine Brand, Gwendolin Etzrodt-Walter, Jan Coburger, Christian Rainer Wirtz, Michal Hlaváč
INTRODUCTION: The routine use of iMRI helps to achieve gross total resection in transsphenoidal pituitary surgery. We have compared the added value of iMRI for extent of resection in endoscopic versus microsurgical transsphenoidal adenomectomy. METHODS: A total of 96 patients with pituitary adenoma were included. 28 consecutive patients underwent endoscopic transsphenoidal tumor resection. For comparison, we used a historic cohort of 68 consecutive patients treated microsurgically...
March 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28275643/a-translational-approach-to-clinical-practice-via-stress-responsive-glucocorticoid-receptor-signaling
#11
COMMENT
Mario F Juruena, Bruno Agustini, Anthony J Cleare, Allan H Young
A recent article by Kwan and colleagues could elegantly demonstrate the necessary interaction between neuronal serotonin (5-HT) systems and the hypothalamic-pituitary-adrenal (HPA) axis through glucocorticoid receptors (GR), producing an adequate stress response, in this case, responding to hypoxia with an increase in hematopoietic stem and progenitor cells (HSPC). There is an intricate system connecting brain, body and mind and this exchange is only possible when all these systems-nervous, endocrine, and immune-have receptors on critical cells to receive information (via messenger molecules) from each of the other systems...
2017: Stem Cell Investigation
https://www.readbyqxmd.com/read/28274953/incidence-of-malignant-tumours-in-patients-with-a-non-functioning-pituitary-adenoma
#12
Daniel S Olsson, Casper Hammarstrand, Ing-Liss Bryngelsson, Anna G Nilsson, Eva Andersson, Gudmundur Johannsson, Oskar Ragnarsson
Whether patients with non-functioning pituitary adenoma (NFPA) are at increased risk of developing malignant tumours has been sparsely studied and is a matter of debate. In this study, we have investigated the incidence of malignant tumours in a large and unselected group of patients with NFPA. The study was nationwide and included all patients diagnosed with NFPA between 1987-2011 (n=2,795) in Sweden, identified in the National Patient Register. Malignant tumours, occurring after the NFPA diagnosis, were identified in the Swedish Cancer Register between 1987-2014...
March 8, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28273958/comparative-study-on-the-estimation-of-estrous-cycle-in-mice-by-visual-and-vaginal-lavage-method
#13
Gnanagurudasan Ekambaram, Senthil Kumar Sampath Kumar, Leena Dennis Joseph
INTRODUCTION: Evaluation of estrous cycle in laboratory animals can be a useful measure of the integrity of hypothalamic-pituitary-ovarian reproductive axis. Assessment of vaginal cytology is crucial to assess the milieu and compare the endocrine status of animals among the experimental groups. AIM: The present study was attempted to compare the estimation of estrous cycle by visual method and non invasive vaginal lavage method. MATERIALS AND METHODS: Sixty healthy female swiss albino mice were used for the present study...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28271270/does-the-degree-of-endocrine-dyscrasia-post-reproduction-dictate-post-reproductive-lifespan-lessons-from-semelparous-and-iteroparous-species
#14
Craig S Atwood, Kentaro Hayashi, Sivan Vadakkadath Meethal, Tina Gonzales, Richard L Bowen
Post-reproductive lifespan varies greatly among species; human post-reproductive lifespan comprises ~30-50% of their total longevity, while semelparous salmon and dasyurid marsupials post-reproductive lifespan comprises <4% of their total longevity. To examine if the magnitude of hypothalamic-pituitary-gonadal (HPG) axis dyscrasia at the time of reproductive senescence determines post-reproductive lifespan, we examined the difference between pre- and post-reproductive (1) circulating sex hormones and (2) the ratio of sex steroids to gonadotropins (e...
February 2017: Geroscience
https://www.readbyqxmd.com/read/28265842/jean-camus-and-gustave-roussy-pioneering-french-researchers-on-the-endocrine-functions-of-the-hypothalamus
#15
Inés Castro-Dufourny, Rodrigo Carrasco, Ruth Prieto, José M Pascual
At the beginning of the twentieth century, the hypothalamus was known merely as an anatomical region of the brain lying beneath the thalamus. An increasing number of clinicopathological reports had shown the association of diabetes insipidus and adiposogenital dystrophy (Babinski-Fröhlich's syndrome), with pituitary tumors involving the infundibulum and tuber cinereum, two structures of the basal hypothalamus. The French physicians Jean Camus (1872-1924) and Gustave Roussy (1874-1948) were the first authors to undertake systematic, controlled observations of the effects of localized injuries to the basal hypothalamus in dogs and cats by pricking the infundibulo-tuberal region (ITR) with a heated needle...
March 6, 2017: Pituitary
https://www.readbyqxmd.com/read/28264815/mechanisms-in-endocrinology-aging-and-anti-aging-endocrinology-a-combo-overview
#16
Evanthia Diamanti-Kandarakis, Maurizio Datillo, Djuro Macut, Leonidas H Duntas, Efstathios Gonos, Dimitrios Goulis, Christina Kanaka-Gantenbein, Marianna Kapetanou, Eftychia G Koukkou, Irene Lambrinoudaki, Marina Michalaki, Shahla Nader-Eftekhari, Renato Pasquali, Melpomeni Peppa, Marinella Tzanela, Evangeline Vassilatou, Andromachi Vryonidou
Aging and its underlying pathophysiological background has always attracted the attention of the scientific society. Defined as the gradual, time-dependent, heterogenous decline of physiological functions, aging is orchestrated by a plethora of molecular mechanisms, which vividly interact to alter body homeostasis. The ability of an organism to adjust to these alterations, in conjunction with the dynamic effect of various environmental stimuli across lifespan, promotes longevity, frailty or disease. Endocrine function undergoes major changes during ageing, as well...
March 6, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28258131/diagnosis-of-endocrine-disease-expanding-the-cause-of-hypopituitarism
#17
Sandra Pekic, Vera Popovic
Hypopituitarism is defined as one or more pituitary hormone deficits due to a lesion in the hypothalamic-pituitary region. By far, the most common cause of hypopituitarism associated with a sellar mass is a pituitary adenoma. A high index of suspicion is required for diagnosing hypopituitarism in several other conditions such as: other massess in the sellar and parasellar region, brain damage caused by radiation and by traumatic brain injury, vascular lesions, infiltrative/immunological/inflammatory diseases (lymphocytic hypophysitis, sarcoidosis, hemochromatosis), infectious diseases and genetic disorders...
March 3, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28254713/adverse-effects-of-bde-47-on-in%C3%A2-vivo-developmental-parameters-thyroid-hormones-and-expression-of-hypothalamus-pituitary-thyroid-hpt-axis-genes-in-larvae-of-the-self-fertilizing-fish-kryptolebias-marmoratus
#18
Hye-Min Kang, Young Hwan Lee, Bo-Mi Kim, Il-Chan Kim, Chang-Bum Jeong, Jae-Seong Lee
2,2',4,4'-tetrabromodiphenylether (BDE-47) is known to have the potential to disrupt the thyroid endocrine system in fishes due to its structural similarity to the thyroid hormones triiodothyronine (T3) and thyroxine (T4). However, the effects of BDE-47 on thyroid function in fishes remain unclear. In this study, abnormal development (e.g. deformity, hemorrhaging) and an imbalance in thyroid hormone (TH) homeostasis was shown in the early developmental stages of the mangrove killifish Kryptolebias marmoratus in response to BDE-47 exposure...
February 20, 2017: Chemosphere
https://www.readbyqxmd.com/read/28251326/the-effect-of-starvation-and-re-feeding-on-vasotocinergic-and-isotocinergic-pathways-in-immature-gilthead-sea-bream-sparus-aurata
#19
Arleta Krystyna Skrzynska, Magdalena Gozdowska, Ewa Kulczykowska, Gonzalo Martínez-Rodríguez, Juan Miguel Mancera, Juan Antonio Martos-Sitcha
This study describes the responses of the vasotocinergic and isotocinergic systems to food deprivation and re-feeding processes in immature gilthead sea bream (Sparus aurata). The animals were subjected to the following experimental treatments: (1) normal feeding (control), (2) food deprivation for 21 days; and (3) re-feeding for 7 days, beginning 14 days after starvation. The animals were sampled at 0, 7, 14 and 21 days from the beginning of the trial. The pituitary and plasma arginine vasotocin (AVT) and isotocin (IT) levels and the hypothalamic pro-vasotocin and pro-isotocin mRNA expression levels were measured...
March 1, 2017: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology
https://www.readbyqxmd.com/read/28245460/endocrine-immunology-of-chagas-disease
#20
Wilson Savino
The concept of immunoendocrine interactions, existing in normal and pathological conditions, is relatively recent. Accordingly, cells from the immune system and from endocrine glands share common receptors for cytokines and hormones, allowing systemic and local regulatory mechanisms. In this context, lymphoid organs are under physiological hormonal control. Disturbances in these systems, as those caused by pathogens changes the physiological profile of these interactions, with the release of proinflammatory cytokines and hormones, and one example is the hypothalamus-pituitary-adrenal (HPA) axis...
2017: Frontiers of Hormone Research
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