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Growth hormone

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https://www.readbyqxmd.com/read/28635586/gc-1-a-thyromimetic-with-multiple-therapeutic-applications-in-liver-disease
#1
Amedeo Columbano, Grazia Chiellini, Marta Anna Kowalik
Thyroid hormones, namely 3,5,3'-triiodo-L-thyronine (T3) and 3,5,3',5'-tetraiodo-L-thyronine (thyroxine or T4), influence a variety of physiological processes that have important implications in fetal development, metabolism, cell growth and proliferation. While THs elicit several beneficial effects on lipid metabolism and improve myocardial contractility, these therapeutically desirable effects are associated to a thyrotoxic state, that severely limits the possible use of THs as therapeutic agents. Therefore, several efforts have been made to develop T3 analogues that could retain the beneficial actions (triglyceride, cholesterol, obesity and body mass lowering), without the adverse TH-dependent side effects...
June 13, 2017: Gene Expression
https://www.readbyqxmd.com/read/28634705/how-does-pregnancy-affect-the-patients-with-pituitary-adenomas-a-study-on-113-pregnancies-from-turkey
#2
Z Karaca, S Yarman, I Ozbas, P Kadioglu, M Akturk, F Kilicli, H S Dokmetas, R Colak, H Atmaca, Z Canturk, Y Altuntas, N Ozbey, N Hatipoglu, F Tanriverdi, K Unluhizarci, F Kelestimur
OBJECTIVE: Data regarding pregnancies in relation to pituitary tumors are limited. The effects of pregnancy on pituitary adenomas and the effects of adenoma itself (hormonal activity, mass effects and pituitary insufficiency) and/or treatment on the ongoing gestation and developing fetus were evaluated. METHODS: The study was a retrospective study. A questionnaire involving questions regarding medical history before index gestation, history of related pregnancy, result of index gestation and postpartum follow-up of the patients was filled by the investigator in one of the eight Referral Endocrinology Centers from Turkey...
June 20, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28634667/elevated-interleukin-13-receptor-alpha-1-expression-in-tumor-cells-is-associated-with-poor-prognosis-in-patients-with-invasive-breast-cancer
#3
Min Hui Park, Hee Jung Kwon, Jae-Ryong Kim, Byungheon Lee, Soo Jung Lee, Young Kyung Bae
BACKGROUND: Interleukin (IL)-13 is an immunoregulatory, anti-inflammatory cytokine that is produced by numerous immune cells, and plasma membrane receptor for IL-13 (IL-13R) is known to be expressed in various human malignancies and in immune cells. METHODS: The authors evaluated the expression of IL-13R alpha 1 (IL-13Rα1, an IL-13R subtype) by immunohistochemistry in tissue microarrays of 1213 invasive breast cancer (IBC) samples to determine the prognostic value of IL-13Rα1 expression...
June 20, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28634534/etiological-factors-of-short-stature-in-children-and-adolescents-experience-at-a-tertiary-care-hospital-in-egypt
#4
Almontaser Hussein, Hekma Farghaly, Eman Askar, Kotb Metwalley, Khaled Saad, Asmaa Zahran, Hisham A Othman
BACKGROUND: Accurate anthropometric measurements and critical analysis of growth data allow the clinician to promptly recognize children with short stature. The aim of this study was to determine the frequency of etiological factors causing short stature among children referred to the pediatric endocrinology clinic of Assiut University Children's Hospital, the main tertiary care center in Upper Egypt. METHODS: We conducted this descriptive observational study from May 2012 to December 2015, to analyze 637 children (boys 354, girls 283) with short stature...
May 2017: Therapeutic Advances in Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28634491/more-favorable-metabolic-impact-of-three-times-weekly-versus-daily-growth-hormone-treatment-in-na%C3%A3-ve-gh-deficient-children
#5
Alessandro Ciresi, Floriana Cicciò, Stefano Radellini, Valentina Guarnotta, Anna Maria Calcaterra, Carla Giordano
OBJECTIVE: To evaluate whether two different regimens of weekly injections could lead to similar auxological and metabolic effects in children with growth hormone deficiency (GHD). DESIGN: 32 GHD children (25 males, mean age 10.5 ± 2.2 yr) were randomly assigned to receive daily (group A, 16 patients) or TIW (group B, 16 patients) GHT for 12 months. METHODS: Auxological parameters, insulin-like growth factor-I (IGF-I), glucose and insulin during OGTT, glycosylated hemoglobin (HbA1c), lipid profile, the oral disposition index (DIo), the homeostasis model assessment estimate of insulin resistance (Homa-IR), and the insulin sensitivity index (ISI)...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/28634483/elicitor-induced-biochemical-and-molecular-manifestations-to-improve-drought-tolerance-in-rice-oryza-sativa-l-through-seed-priming
#6
Mahesh K Samota, Minnu Sasi, Monika Awana, Om P Yadav, S V Amitha Mithra, Aruna Tyagi, Suresh Kumar, Archana Singh
Rice (Oryza sativa L.) is one of the major grain cereals of the Indian subcontinent which face water-deficit stress for their cultivation. Seed-priming has been reported to be a useful approach to complement stress responses in plants. In the present study, seed-priming with hormonal or chemical elicitor [viz. methyl jasmonate (MJ), salicylic acid (SA), paclobutrazol (PB)] showed significant increase in total phenolic content, antioxidant activity and expression of Rice Drought-responsive (RD1 and RD2) genes (of AP2/ERF family) in contrasting rice genotypes (Nagina-22, drought-tolerant and Pusa Sugandh-5, drought-sensitive) under drought stress...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28634083/effects-of-the-soya-isoflavone-genistein-in-early-life-stages-of-the-senegalese-sole-solea-senegalensis-thyroid-estrogenic-and-metabolic-biomarkers
#7
Carmen Sarasquete, Maria Úbeda-Manzanaro, Juan Bosco Ortiz-Delgado
This study examines the effects induced by environmentally relevant concentrations of the isoflavone genistein (3 mg/L and 10 mg/L) during early life stages of the Senegalese sole. Throughout the hypothalamus-pituitary-thyroid (HPT) axis, several neurohormonal regulatory thyroid signalling patterns (thyroglobulin/Tg, thyroid peroxidase/TPO, transthyretin/TTR, thyroid receptors/TRβ, and iodothrynonine deiodinases, Dio2 and Dio3) were analysed. Furthermore, the expression patterns of estrogen receptor ERβ and haemoprotein Cyp1a were also evaluated...
June 17, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28634079/relaxin-reduces-susceptibility-to-post-infarct-atrial-fibrillation-in-mice-due-to-anti-fibrotic-and-anti-inflammatory-properties
#8
Thomas Beiert, Vedat Tiyerili, Vincent Knappe, Verena Effelsberg, Markus Linhart, Florian Stöckigt, Sabine Klein, Robert Schierwagen, Jonel Trebicka, Georg Nickenig, Jan W Schrickel, René P Andrié
BACKGROUND: Relaxin-2 (RLX) is a peptide hormone that exerts beneficial anti-fibrotic and anti-inflammatory effects in diverse models of cardiovascular disease. The goal of this study was to determine the effects of RLX treatment on the susceptibility to atrial fibrillation (AF) after myocardial infarction (MI). METHODS: Mice with cryoinfarction of the left anterior ventricular wall were treated for two weeks with either RLX (75 μg/kg/d) or vehicle (sodium acetate) delivered via subcutaneously implanted osmotic minipumps...
June 17, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28633506/role-of-glucagon-like-peptide-1and-gastric-inhibitory-peptide-in-anorexia-induction-following-oral-exposure-to-the-trichothecene-mycotoxin-deoxynivalenol-vomitoxin
#9
Hui Jia, Wen-Da Wu, Xi Lu, Jie Zhang, Cheng-Hua He, Hai-Bin Zhang
Deoxynivalenol (DON), which is a Type B trichothecene mycotoxin produced by Fusarium, frequently contaminates cereal staples, such as wheat, barley and corn. DON threatens animal and human health by suppressing food intake and impairing growth. While anorexia induction in mice exposed to DON has been linked to the elevation of the satiety hormones cholecystokinin (CCK) and peptide YY3-36(PYY3-36) in plasma, the effects of DON on the release of other satiety hormones, such as glucagon-like peptide-1 (GLP-1) and gastric inhibitory peptide (GIP), have not been established...
June 19, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28631895/growth-hormone-excess-in-children-with-neurofibromatosis-type-1-and-optic-glioma
#10
Paola Cambiaso, Stefania Galassi, Melania Palmiero, Angela Mastronuzzi, Francesca Del Bufalo, Rossella Capolino, Antonella Cacchione, Paola S Buonuomo, Michaela V Gonfiantini, Andrea Bartuli, Marco Cappa, Marina Macchiaiolo
In children with neurofibromatosis type 1 (NF1) and optic pathways glioma (OPG), growth hormone (GH) excess has been rarely reported and mainly associated to central precocious puberty. The aim of our study is to evaluate the prevalence of GH excess, the association with central precocious puberty, the relation with tumor site and the evolution over time in a large cohort of children with NF1 and OPG. Sixty-four NF1 children with OPG were evaluated. Patients with stature and/or height velocity >2 SD for age were studied for GH secretion...
June 20, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28631588/spawning-performance-of-clarias-gariepinus-burchell-1822-induced-with-ethanol-preserved-and-fresh-catfish-pituitary-extract
#11
V T Okomoda, L O Tiamiyu, D Kwaghger
This study was conducted to determine the efficacy of preserved and fresh pituitary extract of Clarias gariepinus (Burchell, 1822) to induced spawning in the same species. Growth performance of fry was also monitored for 15 days to determine the possible effect of natural hormone treatment on the fry. Pituitary glands (PG) were obtained from 12 male broodstocks, six extracted PG were preserved in 96% ethanol 24 h before injection, while the other were extracted and used in their fresh state. The PG solutions (1 g ml-1 of saline water) were injected at 1 ml kg-1 of the female broodstock...
June 20, 2017: Zygote: the Biology of Gametes and Early Embryos
https://www.readbyqxmd.com/read/28631319/herbivory-induced-jasmonates-constrain-plant-sugar-accumulation-and-growth-by-antagonizing-gibberellin-signaling-and-not-by-promoting-secondary-metabolite-production
#12
Ricardo A R Machado, Ian T Baldwin, Matthias Erb
Plants respond to herbivory by reconfiguring hormonal networks, increasing secondary metabolite production and decreasing growth. Furthermore, some plants display a decrease in leaf energy reserves in the form of soluble sugars and starch, leading to the hypothesis that herbivory-induced secondary metabolite production and growth reduction may be linked through a carbohydrate-based resource trade-off. In order to test the above hypothesis, we measured leaf carbohydrates and plant growth in seven genetically engineered Nicotiana attenuata genotypes that are deficient in one or several major herbivore-induced, jasmonate-dependent defensive secondary metabolites and proteins...
July 2017: New Phytologist
https://www.readbyqxmd.com/read/28631185/the-increased-expression-of-follicle-stimulating-hormone-leads-to-a-decrease-of-fecundity-in-transgenic-large-white-female-pigs
#13
Kai Jiang, Pan Xu, Wanbo Li, Qiang Yang, Longyun Li, Chuanmin Qiao, Huanfa Gong, Hao Zheng, Zhimin Zhou, Hao Fu, Qiuyan Li, Yuyun Xing, Jun Ren
Follicle-stimulating hormone (FSH) is a pituitary gonadotropin regulating reproduction in mammals. Overexpression of the exogenous FSHα/β genes from Chinese Erhualian pigs improved female fecundity of transgenic (TG) mice and male spermatogenesis ability of Large White TG boars. Here, we investigated the impact of the exogenous FSHα/β genes on female reproductive performance of Large White TG pigs. First, we identified the integration site of the exogenous FSHα/β genes at 140,646,456 bp on chromosome 9 in these TG pigs using whole-genome sequencing...
June 19, 2017: Transgenic Research
https://www.readbyqxmd.com/read/28630896/the-gh-receptor-exon-3-deletion-is-a-marker-of-male-specific-exceptional-longevity-associated-with-increased-gh-sensitivity-and-taller-stature
#14
Danny Ben-Avraham, Diddahally R Govindaraju, Temuri Budagov, Delphine Fradin, Peter Durda, Bing Liu, Sandy Ott, Danielle Gutman, Lital Sharvit, Robert Kaplan, Pierre Bougnères, Alex Reiner, Alan R Shuldiner, Pinchas Cohen, Nir Barzilai, Gil Atzmon
Although both growth hormone (GH) and insulin-like growth factor 1 (IGF-1) signaling were shown to regulate life span in lower organisms, the role of GH signaling in human longevity remains unclear. Because a GH receptor exon 3 deletion (d3-GHR) appears to modulate GH sensitivity in humans, we hypothesized that this polymorphism could play a role in human longevity. We report a linear increased prevalence of d3-GHR homozygosity with age in four independent cohorts of long-lived individuals: 841 participants [567 of the Longevity Genes Project (LGP) (8% increase; P = 0...
June 2017: Science Advances
https://www.readbyqxmd.com/read/28630706/effects-of-feeding-untreated-pasteurized-and-acidified-waste-milk-and-bunk-tank-milk-on-the-performance-serum-metabolic-profiles-immunity-and-intestinal-development-in-holstein-calves
#15
Yang Zou, Yajing Wang, Youfei Deng, Zhijun Cao, Shengli Li, Jiufeng Wang
BACKGROUND: The present experiment was performed to assess the effects of different sources of milk on the growth performance, serum metabolism, immunity, and intestinal development of calves. Eighty-four Holstein male neonatal calves were assigned to one of the following four treatment groups: those that received bunk tank milk (BTM), untreated waste milk (UWM), pasteurized waste milk (PWM), and acidified waste milk (AWM) for 21 d. RESULTS: Calves in the BTM and AWM groups consumed more starter (P < 0...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28630022/lamprey-metamorphosis-thyroid-hormone-signaling-in-a-basal-vertebrate
#16
REVIEW
Richard G Manzon, Lori A Manzon
As one of the most basal living vertebrates, lampreys represent an excellent model system to study the evolution of thyroid hormone (TH) signaling. The lamprey hypothalamic-pituitary-thyroid and reproductive axes overlap functionally. Lampreys have 3 gonadotropin releasing hormones and a single glycoprotein hormone from the hypothalamus and pituitary, respectively, that regulate both the reproductive and thyroid axes. TH synthesis in larval lampreys takes place in an endostyle that transforms into typical vertebrate thyroid tissue during metamorphosis; both the endostyle and follicular tissue have all the typical TH synthetic components found in other vertebrates...
June 16, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28630021/thyroid-hormone-signaling-and-deiodinase-actions-in-muscle-stem-progenitor-cells
#17
REVIEW
Raffaele Ambrosio, Maria Angela De Stefano, Daniela Di Girolamo, Domenico Salvatore
Thyroid hormone (TH) regulates such crucial biological functions as normal growth, development and metabolism of nearly all vertebrate tissues. In skeletal muscle, TH plays a critical role in regulating the function of satellite cells, the bona fide skeletal muscle stem cells. Deiodinases (D2 and D3) have been found to modulate the expression of various TH target genes in satellite cells. Regulation of the expression and activity of the deiodinases constitutes a cell-autonomous, pre-receptor mechanism that controls crucial steps during the various phases of myogenesis...
June 16, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28629522/erythropoietin-stem-cell-factor-and-cancer-cell-migration
#18
Maria J Vazquez-Mellado, Victor Monjaras-Embriz, Leticia Rocha-Zavaleta
Cell migration of normal cells is tightly regulated. However, tumor cells are exposed to a modified microenvironment that promotes cell migration. Invasive migration of tumor cells is stimulated by receptor tyrosine kinases (RTKs) and is regulated by growth factors. Erythropoietin (Epo) is a glycoprotein hormone that regulates erythropoiesis and is also known to be a potent chemotactic agent that induces cell migration by binding to its receptor (EpoR). Expression of EpoR has been documented in tumor cells, and the potential of Epo to induce cell migration has been explored...
2017: Vitamins and Hormones
https://www.readbyqxmd.com/read/28629521/erythropoietin-promotes-glioblastoma-via-mir-451-suppression
#19
Begum Alural, Zeynep O Ayyildiz, Kemal U Tufekci, Sermin Genc, Kursad Genc
Erythropoietin (EPO) is an erythropoiesis stimulating growth factor and hormone. EPO has been widely used in the treatment of chronic renal failure, cancer, and chemotherapy-related anemia for three decades. However, many clinical trials showed that EPO treatment may be associated with tumorigenesis and cancer progression. EPO is able to cross blood-brain barriers, and this may lead to an increased possibility of central nervous system tumors such as glioblastoma. Indeed, EPO promotes glioblastoma growth and invasion in animal studies...
2017: Vitamins and Hormones
https://www.readbyqxmd.com/read/28629520/the-erythropoietin-system-protects-the-heart-upon-injury-by-cardiac-progenitor-cell-activation
#20
Maria P Zafeiriou
Erythropoietin (EPO) is a growth hormone, widely known for its role in erythropoiesis. The broad expression of erythropoietin receptor (EPOR) in adult organs suggested that EPO may also affect other cells besides late erythroid progenitors. In the embryonic heart, EPOR is expressed in all cells including the immature proliferating cardiomyocytes. In contrast to the embryonic heart in adulthood, EPOR expression is decreased and mainly detected in immature proliferating cells (i.e., resident cardiac progenitor cells) rather than in terminally differentiated cells (i...
2017: Vitamins and Hormones
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