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https://www.readbyqxmd.com/read/28437813/presenting-symptoms-of-pituitary-apoplexy
#1
Efstratios-Stylianos Pyrgelis, Ioannis Mavridis, Maria Meliou
The classical term "pituitary apoplexy" (PA) describes a clinical syndrome usually characterized by abrupt onset of headache accompanied by neurologic and/or endocrinologic deterioration due to sudden expansion of a mass within the sella turcica as a result of hemorrhage or infarction within a pituitary tumor and adjacent pituitary gland. PA is a medical emergency and a difficult diagnosis to establish. Thus this article reviews the presenting symptoms of PA patients to help clinicians recognize or at least suspect this critical condition early on...
April 24, 2017: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/28437788/high-prevalence-of-polycystic-ovary-syndrome-in-type-1-diabetes-mellitus-adolescents-is-there-a-difference-depending-on-the-nih-and-rotterdam-criteria
#2
Kanetee Busiah, Ana Colmenares, Maud Bidet, Nadia Tubiana-Rufi, Claire Levy-Marchal, Christine Delcroix, Paul Jacquin, Delphine Martin, Lila Benadjaoud, Evelyne Jacqz-Aigrain, Kathleen Laborde, Jean-Jacques Robert, Dinane Samara-Boustani, Michel Polak
BACKGROUND: Polycystic ovary syndrome (PCOS) is more frequently observed in type 1 diabetes mellitus (T1DM) adult women than in nondiabetic women. No such prevalence has yet been studied in adolescent girls with T1DM. AIM: The aim of this study was to evaluate the prevalence of PCOS in adolescent girls with T1DM and to determine the clinical and hormonal features associated with the disorder. METHODS: A cross-sectional study of 53 adolescent girls (gynecological age >2 years) referred for routine evaluation for T1DM was conducted...
April 24, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/28437784/the-physiology-of-childhood-growth-hormonal-regulation
#3
Emelie Benyi, Lars Sävendahl
The growth patterns of a child changes from uterine life until the end of puberty. Height velocity is highest in utero and declines after birth until puberty when it rises again. Important hormonal regulators of childhood growth are growth hormone, insulin-like growth factor 1, sex steroids, and thyroid hormone. This review gives an overview of these hormonal regulators of growth and their interplay with nutrition and other key players such as inflammatory cytokines.
April 24, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/28437725/evaluation-of-ecotoxicological-effects-of-benzophenone-uv-filters-luminescent-bacteria-toxicity-genotoxicity-and-hormonal-activity
#4
Qiuya Zhang, Xiaoyan Ma, Mawuli Dzakpasu, Xiaochang C Wang
The widespread use of organic ultraviolet (UV) filters in personal care products raises concerns about their potentially hazardous effects on human and ecosystem health. In this study, the toxicities of four commonly used benzophenones (BPs) UV filters including benzophenone (BP), 2-Hydroxybenzophenone (2HB), 2-Hydroxy-4-methoxybenzophenone (BP3), and 2-Hydroxy-4-methoxybenzophenone-5-sulfonicacid (BP4) in water were assayed in vitro using Vibrio fischeri, SOS/umu assay, and yeast estrogen screen (YES) assay, as well as in vivo using zebrafish larvae...
April 21, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28437631/age-independent-anti-m%C3%A3-llerian-hormone-amh-standard-deviation-scores-to-estimate-ovarian-function
#5
Josef van Helden, Ralf Weiskirchen
OBJECTIVIES: To determine single year age-specific anti-Müllerian hormone (AMH) standard deviation scores (SDS) for women associated to normal ovarian function and different ovarian disorders resulting in sub- or infertility. DESIGN AND METHODS: Determination of particular year median and mean AMH values with standard deviations (SD), calculation of age-independent cut off SDS for the discrimination between normal ovarian function and ovarian disorders. RESULTS: Single-year-specific median, mean, and SD values have been evaluated for the Beckman Access AMH immunoassay...
April 18, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28437630/modified-natural-cycle-for-embryo-transfer-using-frozen-thawed-blastocysts-a-satisfactory-option
#6
Quoc V Le, Sina Abhari, Omar M Abuzeid, Jennifer DeAnna, Mohamed A Satti, Tarek Abozaid, Iqbal Khan, Mostafa I Abuzeid
OBJECTIVE: To describe pregnancy outcomes of frozen-thawed blastocysts cycles using modified natural cycle frozen embryo transfers (NC-FET) and down-regulated hormonally controlled frozen embryo transfers (HC-FET) protocols. STUDY DESIGN: This retrospective cohort study included all patients undergoing either modified NC-FET or down-regulated HC-FET using frozen-thawed day 5 embryos. Cycles with donor blastocysts were excluded. Four hundred twenty eight patients underwent a total of 493 FET cycles...
April 6, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28437620/american-association-of-clinical-endocrinologists-and-american-college-of-endocrinology-guidelines-for-management-of-dyslipidemia-and-prevention-of-cardiovascular-disease
#7
Paul S Jellinger, Yehuda Handelsman, Paul D Rosenblit, Zachary T Bloomgarden, Vivian A Fonseca, Alan J Garber, George Grunberger, Chris K Guerin, David S H Bell, Jeffrey I Mechanick, Rachel Pessah-Pollack, Kathleen Wyne, Donald Smith, Eliot A Brinton, Sergio Fazio, Michael Davidson
OBJECTIVE: The development of these guidelines is mandated by the American Association of Clinical Endocrinologists (AACE) Board of Directors and American College of Endocrinology (ACE) Board of Trustees and adheres with published AACE protocols for the standardized production of clinical practice guidelines (CPGs). METHODS: Recommendations are based on diligent reviews of the clinical evidence with transparent incorporation of subjective factors, according to established AACE/ACE guidelines for guidelines protocols...
April 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28437576/irisin-and-musculoskeletal-health
#8
Graziana Colaianni, Saverio Cinti, Silvia Colucci, Maria Grano
Irisin is a hormone-like myokine produced in abundance by skeletal muscle in response to exercise, both in mice and humans. Once released into the circulation, irisin acts on white adipocytes to induce the browning response and subsequently activates nonshivering thermogenesis. We have examined the premise that irisin produced during exercise may subserve further functions in the musculoskeletal system. We review evidence for its possible skeletal effects, including the central role that irisin plays in the control of bone mass, with positive effects on cortical mineral density and geometry in mice...
April 24, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28437476/clc-3-chloride-channel-mediates-the-role-of-parathyroid-hormone-1-34-on-osteogenic-differentiation-of-osteoblasts
#9
Xiaolin Lu, Yin Ding, Qiannan Niu, Shijie Xuan, Yan Yang, Yulong Jin, Huan Wang
INTRODUCTION: Different concentrations of parathyroid hormone [1-34] (PTH [1-34]) can have totally opposite effects on osteoblasts. Intermittent stimulation with PTH can significantly increase bone mineral density in vitro, mainly through the protein kinase A (PKA) signaling pathway, which phosphorylates runt-related transcription factor 2 (Runx2). The ClC-3 chloride channel, an important anion channel, can also promote osteogenesis via the Runx2 pathway based on recent studies. The purpose of our study, therefore, is to research whether the ClC-3 chloride channel has an effect on PTH osteodifferentiation in MC3T3-E1 cells...
2017: PloS One
https://www.readbyqxmd.com/read/28437448/expression-profiling-of-chrysanthemum-crassum-under-salinity-stress-and-the-initiation-of-morphological-changes
#10
Zhiyong Guan, Yitong Feng, Aiping Song, Xiaomeng Shi, Yachao Mao, Sumei Chen, Jiafu Jiang, Lian Ding, Fadi Chen
Chrysanthemum crassum is a decaploid species of Chrysanthemum with high stress tolerance that allows survival under salinity stress while maintaining a relatively ideal growth rate. We previously recorded morphological changes after salt treatment, such as the expansion of leaf cells. To explore the underlying salinity tolerance mechanisms, we used an Illumina platform and obtained three sequencing libraries from samples collected after 0 h, 12 h and 24 h of salt treatment. Following de novo assembly, 154,944 transcripts were generated, and 97,833 (63...
2017: PloS One
https://www.readbyqxmd.com/read/28437437/use-of-short-interfering-rna-delivered-by-cationic-liposomes-to-enable-efficient-down-regulation-of-ptpn22-gene-in-human-t-lymphocytes
#11
Valentina Perri, Marsha Pellegrino, Francesca Ceccacci, Anita Scipioni, Stefania Petrini, Elena Gianchecchi, Anna Lo Russo, Serena De Santis, Giovanna Mancini, Alessandra Fierabracci
Type 1 diabetes and thyroid disease are T cell-dependent autoimmune endocrinopathies. The standard substitutive administration of the deficient hormones does not halt the autoimmune process; therefore, development of immunotherapies aiming to preserve the residual hormonal cells, is of crucial importance. PTPN22 C1858T mutation encoding for the R620W lymphoid tyrosine phosphatase variant, plays a potential pathophysiological role in autoimmunity. The PTPN22 encoded protein Lyp is a negative regulator of T cell antigen receptor signaling; R620W variant, leading to a gain of function with paradoxical reduced T cell activation, may represent a valid therapeutic target...
2017: PloS One
https://www.readbyqxmd.com/read/28437434/comparisons-of-gnrh-antagonist-protocol-versus-gnrh-agonist-long-protocol-in-patients-with-normal-ovarian-reserve-a-systematic-review-and-meta-analysis
#12
Ruolin Wang, Shouren Lin, Yong Wang, Weiping Qian, Liang Zhou
OBJECTIVE: To evaluate the effectiveness and safety of gonadotropin-releasing hormone antagonist (GnRH-ant) protocol and gonadotropin-releasing hormone agonist (GnRH-a) long protocol in patients with normal ovarian reserve. METHODS: We searched the PubMed (1992-2016), Cochrane Library (1999-2016), Web of Science (1950-2016), Chinese Biomedical Database (CBM, 1979-2016), and China National Knowledge Infrastructure (CNKI, 1994-2016). Any randomized controlled trials (RCTs) that compared GnRH-ant protocol and GnRH-a long protocol in patients with normal ovarian reserve were included, and data were extracted independently by two reviewers...
2017: PloS One
https://www.readbyqxmd.com/read/28437432/genome-wide-identification-and-expression-analysis-of-calcium%C3%A2-dependent-protein-kinase-and-its-related-kinase-gene-families-in-melon-cucumis-melo-l
#13
Haifei Zhang, Chunhua Wei, Xiaozhen Yang, Hejie Chen, Yongchao Yang, Yanling Mo, Hao Li, Yong Zhang, Jianxiang Ma, Jianqiang Yang, Xian Zhang
The calcium-dependent protein kinase (CDPK) is a ser/thr protein kinase that plays vital roles in plant growth, development, and responses to multiple stresses. Despite an important member of the stress responsive gene family, little is known about the evolutionary history and expression patterns of CDPK genes in melon. Herein, a total of 18 CDPK genes and 7 CDPK-related protein kinases (CRK) genes were identified in the melon genome via bioinformatic analysis, which were unevenly distributed across eleven chromosomes with an apparent exception for chromosome 3...
2017: PloS One
https://www.readbyqxmd.com/read/28437219/factors-affecting-sexual-function-in-midlife-women-results-from-the-midlife-women-s-health-study
#14
Rebecca L Smith, Lisa Gallicchio, Jodi A Flaws
OBJECTIVE: The objective of this study was to estimate the importance of risk factors affecting sexual function in sexually active midlife women. MATERIALS AND METHODS: A cohort of 780 women undergoing the menopausal transition was surveyed each year for up to 7 years. Data were collected from sexually active women on sexual function, including frequencies of enjoyment, arousal, orgasm, passion for partner, satisfaction with partner, pain, lack of lubrication, fantasizing, and sexual activity...
February 28, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28437154/prediction-of-relapse-from-hyperthyroidism-following-antithyroid-medication-withdrawal-using-technetium-thyroid-uptake-scanning
#15
Manouchehr Nakhjavani, Soraya Abdollahi, Saeed Farzanefar, Mohammadtagi Abousaidi, Alireza Esteghamati, Maryam Naseri, Mohamad Eftekhari, Mehrshad Abbasi
OBJECTIVE: Technetium thyroid uptake (TTU) is not inhibited by antithyroid drugs (ATD) and reflects the degree of thyroid stimulation. We intended to predict the relapse rate from hyperthyroidism based on TTU measurement. METHODS: Out of 44 initially enrolled subjects, 38 patients aged 41.6 ± 14.6 with Graves disease (duration: 84 ± 78 months) completed the study. TTU was performed with 40-second imaging of the neck and mediastinum 20 minutes after injection of 1 mCi technetium-99m pertechnetate...
April 2, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28437084/affinity-binding-of-emr2-expressing-cells-by-surface-grafted-chondroitin-sulfate-b
#16
Anouck L S Burzava, Marek Jasieniak, Michaelia P Cockshell, Claudine S Bonder, Frances J Harding, Hans Joerg Griesser, Nicolas H Voelcker
The propensity of glycosaminoglycans to mediate cell-cell and cell-matrix interactions opens the door to capture cells, including circulating blood cells, onto biomaterial substrates. Chondroitin sulfate (CS) -B is of particular interest, since it interacts with the receptor (EGF)-like module-containing mucin-like hormone receptor-like 2 precursor (EMR2) displayed on the surface of leukocytes and endothelial progenitor cells. Herein, CS-B and its isomer CS-A were covalently immobilized onto heptylamine plasma polymer films via three different binding chemistries to develop platform technology for the capture of EMR2 expressing cells onto solid carriers...
April 24, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28437005/convergent-erk1-2-p38-and-jnk-mapk-signalling-mediate-catecholoestradiol-induced-proliferation-of-ovine-uterine-artery-endothelial-cells
#17
Rosalina Villalon Landeros, Sheikh O Jobe, Gabrielle Aranda-Pino, Gladys E Lopez, Jing Zheng, Ronald R Magness
Previously we demonstrated that the biologically active metabolites of 17β-oestradiol, 2-hydroxyoestradiol (2-OHE2 ) and 4-hydroxyoestradiol (4-OHE2 ), stimulate pregnancy-specific proliferation of uterine artery endothelial cells derived from pregnant (P-UAECs), but not non-pregnant ewes. However, unlike 17β-oestradiol, which induces proliferation via oestrogen receptor-β (ER-β), the catecholoestradiols mediate P-UAEC proliferation via β-adrenoceptors (β-AR) and independent of classic oestrogen receptors...
April 24, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28436937/efficacy-of-anti-sclerostin-monoclonal-antibody-bps804-in-adult-patients-with-hypophosphatasia
#18
Lothar Seefried, Jasmin Baumann, Sarah Hemsley, Christine Hofmann, Erdmute Kunstmann, Beate Kiese, Yue Huang, Simon Chivers, Marie-Anne Valentin, Babul Borah, Ronenn Roubenoff, Uwe Junker, Franz Jakob
BACKGROUND: Hypophosphatasia (HPP) is a rare genetic disorder resulting in variable alterations of bone formation and mineralization that are caused by mutations in the ALPL gene, encoding the tissue-nonspecific alkaline phosphatase (ALP) enzyme. METHODS: In this phase IIA open-label, single-center, intra-patient, dose-escalating study, adult patients with HPP received 3 ascending intravenous doses of 5, 10, and 20 mg/kg BPS804, a fully human anti-sclerostin monoclonal antibody, on days 1, 15, and 29, respectively...
April 24, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28436761/androgen-and-estrogen-shifts-in-men-before-and-after-bariatric-surgery-and-links-to-vitamins-and-trace-elements
#19
Alberto Rosenblatt, Joel Faintuch, Ivan Cecconello
Androgens and estrogens play a key role regarding sexual life and reproduction. Along with hypotestosteronemia, obese men exhibit a 2-fold increase in estradiol concentration, adversely infl uencing these parameters. Estrogens and adipokines also infl uence bone metabolism, exerting a direct effect on vitamin D, calcium homeostasis and bone health. Bariatric procedures normalize some sex hormones, and may reverse several obesity-related conditions. Estrogens levels may remain elevated postoperatively, and despite its protective effect on the skeleton, bariatric patients are more prone to fractures when compared to the general population...
April 24, 2017: International Journal for Vitamin and Nutrition Research. Journal International de Vitaminologie et de Nutrition
https://www.readbyqxmd.com/read/28436760/diabetes-management-by-probiotics-current-knowledge-and-future-pespective
#20
Aziz Homayouni-Rad, Ahmad-Reza Soroush, Leila Khalili, Leila Norouzi-Panahi, Zahra Kasaie, Hanieh-Sadat Ejtahed
Diabetes mellitus, a multifactorial disorder, is related to the intestinal microbiota via numerous molecular mechanisms. The vast increase in the prevalence of diabetes and its associated complications requires a natural and safe solution. There is a growing evidence of gut microbiota effi ciency in improving insulin resistance, impaired insulin secretion, and metabolic complications in diabetic patients. Probiotics are defi ned as live microorganisms that, when ingested in adequate amounts, exert health benefi ts to the host...
April 24, 2017: International Journal for Vitamin and Nutrition Research. Journal International de Vitaminologie et de Nutrition
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