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Recombinant growth hormone

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https://www.readbyqxmd.com/read/29905027/increased-risk-of-bone-tumors-after-growth-hormone-treatment-in-childhood-a-population-based-cohort-study-in-france
#1
Amélie Poidvin, Jean-Claude Carel, Emmanuel Ecosse, Dominique Levy, Jean Michon, Joël Coste
The association between growth hormone (GH) treatment and cancer risk has not been thoroughly evaluated and there are questions about any increased risk of bone tumors. We examined cancer risk and especially bone tumor risk in a population-based cohort study of 6874 patients treated with recombinant GH in France for isolated GH deficiency, short stature associated with low birth weight or length or idiopathic short stature. Adult mortality and morbidity data obtained from national databases and from questionnaires...
June 14, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29891982/development-of-bicistronic-expression-system-for-the-enhanced-and-reliable-production-of-recombinant-proteins-in-leuconostoc-citreum
#2
Seung Hoon Jang, Ji Won Cha, Nam Soo Han, Ki Jun Jeong
The lactic acid bacteria (LAB) Leuconostoc citreum are non-sporulating hetero-fermentative bacteria that play an important role in the fermented food industry. In this study, for the enhanced and reliable production of recombinant proteins in L. citreum, we developed a bicistronic design (BCD) expression system which includes a short leader peptide (1st cistron) followed by target genes (2nd cistron) under the control of a single promoter. Using superfolder green fluorescent protein (sfGFP) as a reporter, the functionality of BCD in L...
June 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29864719/analysis-of-new-growth-promoting-black-market-products
#3
Oliver Krug, Andreas Thomas, Helle Malerød-Fjeld, Yvette Dehnes, Tim Laussmann, Ingo Feldmann, Albert Sickmann, Mario Thevis
Detecting agents allegedly or evidently promoting growth such as human growth hormone (GH) or growth hormone releasing peptides (GHRP) in doping controls has represented a pressing issue for sports drug testing laboratories. While GH is a recombinant protein with a molecular weight of 22 kDa, the GHRPs are short (3-6 amino acids long) peptides with GH releasing properties. The endogenously produced GH (22 kDa isoform) consists of 191 amino acids and has a monoisotopic molecular mass of 22,124 Da. Within this study, a slightly modified form of GH was discovered consisting of 192 amino acids carrying an additional alanine at the N-terminus, leading to a monoisotopic mass of 22,195 Da...
May 19, 2018: Growth Hormone & IGF Research
https://www.readbyqxmd.com/read/29860415/follicle-dynamics-and-granulosa-cell-differentiation-in-the-turkey-hen-ovary
#4
Kahina Ghanem, A L Johnson
Similar to the domestic hen ovary, entry of a follicle into the preovulatory hierarchy in the turkey hen represents a process in which a single follicle initiates rapid growth and final maturation prior to ovulation. Published data derived from the laying hen support the proposal that differentiation of the follicle granulosa cell (GC) layer begins coincident with entry into the rapid growth phase and is characterized by the initial capacity for follicle stimulating hormone (FSH)-mediated cell signaling. The present studies were conducted with photostimulated B...
June 1, 2018: Poultry Science
https://www.readbyqxmd.com/read/29806866/near-final-height-in-patients-with-idiopathic-growth-hormone-deficiency-a-single-centre-experience
#5
Erdal Kurnaz, Semra Çetinkaya, Zehra Aycan
AIM: We analysed near final height (NFH) data in children with growth hormone deficiency (GHD) treated with recombinant human GH (rhGH). METHODS: We divided the idiopathic GHD patients into two groups, isolated GHD (IGHD) and multiple pituitary hormone deficiency, to evaluate NFH. Then, data were grouped according to gender, pre-pubertal/pubertal status and spontaneous or induced puberty. The trial was performed as a retrospective study. Median values are given, and measurements are expressed as standard deviation scores (SDSs)...
May 28, 2018: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/29788119/the-effects-of-leptin-on-plasma-concentrations-of-prolactin-growth-hormone-and-melatonin-vary-depending-on-the-stage-of-pregnancy-in-sheep
#6
Malgorzata Szczesna, Katarzyna Kirsz, Tomasz Misztal, Edyta Molik, Dorota A Zieba
The effects of hyperleptinemia and leptin resistance during gestation are unclear. Leptin, an important neuroendocrine regulator, has anorexic effects, but its interactions with other metabolic hormones during pregnancy are unclear. We examined potential roles of leptin in regulating prolactin (PRL), growth hormone (GH) and melatonin plasma concentrations during pregnancy in Polish Longwool ewes. Twelve estrus-synchronized ewes carrying twins after mating were randomly assigned to receive intravenous injections of saline or recombinant ovine leptin (2...
May 18, 2018: Journal of Animal Science
https://www.readbyqxmd.com/read/29781343/issues-and-promises-of-bevacizumab-in-prostate-cancer-treatment
#7
Vittore Cereda, Vincenzo Formica, Mario Roselli
There is general agreement that increased angiogenesis is an important factor in determining prostate cancer development and prognosis. Vascular Endothelial Growth Factor (VEGF) is thought to play a primary role in the molecular events that lead to prostate cancer progression, from androgen-dependency to castration-resistance until dissemination to the skeleton. Bevacizumab is a recombinant anti-VEGF monoclonal antibody that has exhibited clinical activity in different cancer types. Areas covered: In this review we summarize the data of clinical trials, investigating the effects of bevacizumab in prostate cancer patients...
May 21, 2018: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/29777415/preparation-of-biologically-active-monomeric-recombinant-zebrafish-danio-rerio-and-rainbow-trout-oncorhynchus-mykiss-recombinant-growth-hormones
#8
Ewa Ocłoń, Gili Solomon, Zvi Hayouka, Arieh Gertler
Fish growth hormones (GHs) play an important role in regulating growth, metabolism, reproduction, osmoregulation, and immunity and have thus garnered attention for their application in aquaculture. Zebrafish GH (zGH) cDNA or rainbow trout GH (rtGH) cDNA was cloned into the pMon3401 vector, expressed in MON105-competent Escherichia coli and purified to homogeneity. Their biological activity was evidenced by their ability to interact with ovine GH receptor extracellular domain and stimulate GH receptor-mediated proliferation in FDC-P1-3B9 cells stably transfected with rabbit GH receptor...
May 18, 2018: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/29753247/the-evaluation-of-endocrine-disrupting-effects-of-tert-butylphenols-towards-estrogenic-receptor-%C3%AE-androgen-receptor-and-thyroid-hormone-receptor-%C3%AE-and-aquatic-toxicities-towards-freshwater-organisms
#9
Jiaying Wang, Jingpeng Wang, Jinsong Liu, Jianzhi Li, Lihong Zhou, Huanxin Zhang, Jianteng Sun, Shulin Zhuang
The phenolic compounds have posed public concern for potential threats to human health and ecosystem. Tert-butylphenols (TBPs), as one group of emerging contaminants, showed potential endocrine disrupting effects and aquatic toxicities. In the present study, we detected concentrations of 2,4-DTBP ranging from <0.001 to 0.057 μg/L (detection limit: 0.001 μg/L) in drinking water source from the Qiantang River in East China in April 2016. The endocrine disrupting effects of 2-TBP, 2,4-DTBP and 2,6-DTBP toward human estrogen receptor α (ERα), androgen receptor (AR) and thyroid hormone receptor β (TRβ) were evaluated using human recombinant two-hybrid yeast bioassay...
May 9, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29746309/the-current-state-of-long-acting-growth-hormone-preparations-for-growth-hormone-therapy
#10
Kevin C J Yuen, Bradley S Miller, Beverly M K Biller
PURPOSE OF REVIEW: To discuss the rationale of developing long-acting growth hormone (LAGH) preparations, to describe the technologies designed to prolong GH action, and to address key issues regarding efficacy, safety, and monitoring while on treatment. REVIEW FINDINGS: Recombinant human GH is currently approved for daily use and has been shown to restore longitudinal growth, and improve body composition with relatively few side-effects in children and adults with GH deficiency, respectively...
May 4, 2018: Current Opinion in Endocrinology, Diabetes, and Obesity
https://www.readbyqxmd.com/read/29736148/the-pre-treatment-characteristics-and-evaluation-of-the-effects-of-recombinant-human-growth-hormone-therapy-in-children-with-growth-hormone-deficiency-and-celiac-disease-or-inflammatory-bowel-disease
#11
Ewelina Witkowska-Sędek, Dominika Labochka, Anna Majcher, Beata Pyrżak
The aim of the study: was to investigate the coincidence of growth hormone deficiency (GHD) and celiac disease (CD) or inflammatory bowel disease (IBD) in patients referred for short stature, and to evaluate the baseline anthropometric parameters and the effectiveness of recombinant human growth hormone (rhGH) therapy in the first year in those patients (GHD+CD/IBD subgroup) in comparison to patients with GHD without CD or IBD (GHD-CD/IBD subgroup). Material and methods: The study was retrospective and included 2196 short patients (height SDS [Standard Deviation Score] ≤ -1...
2018: Central-European Journal of Immunology
https://www.readbyqxmd.com/read/29725365/effects-of-recombinant-human-growth-hormone-on-protein-malnutrition-and-igf-1-and-il-2-gene-expression-levels-in-chronic-nephrotic-syndrome
#12
Guang Dai, Donghai Wang, Hua Dong
The aim of the study was to investigate the effects of recombinant human growth hormone on protein malnutrition and insulin-like growth factor-1 ( IGF-1 ) and interleukin-2 ( IL-2 ) gene expressions in chronic nephrotic syndrome. Eighty patients with chronic nephrotic syndrome were admitted to our hospital. The patients were included in the study period from January 2015 to December 2016 and were divided into two groups (40 cases in each group) according to the random number method. All the patients enrolled received symptomatic and supportive treatment...
May 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29721322/direct-and-cytokine-mediated-effects-of-albumin-fused-growth-hormone-tv-1106-on-cyp-enzyme-expression-in-human-hepatocytes-in-vitro
#13
Maciej Czerwiński, Immaculate Amunom, Victor Piryatinsky, Hussein Hallak, Yousif Sahly, Oren Bar-Ilan, Paul Bolliger, Merav Bassan
Some biologics can modulate cytokines that may lead to changes in expression of drug-metabolizing enzymes and cause drug-drug interactions (DDI). DDI potential of TV-1106-an albumin-fused growth hormone (GH)-was investigated. In this study, human blood was exposed to recombinant human growth hormone (rhGH) or TV-1106, followed by isolation of the plasma and its application to human hepatocytes. While the treatment of blood with rhGH increased multiple cytokines, treatment of blood with TV-1106 had no effect on any of the nine cytokines tested...
June 2018: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/29708397/effects-of-growth-hormone-and-functional-appliance-on-mandibular-growth-in-an-adolescent-rat-model
#14
Shuai Wang, Lu Ye, Mei Li, Han Zhan, Rui Ye, Yu Li, Zhihe Zhao
OBJECTIVES: To investigate the individual and synergistic effects of growth hormone (GH) and functional appliance (FA) on mandibular growth in an adolescent rat model. MATERIALS AND METHODS: Forty adolescent (6-week-old) female Wistar rats were randomly divided into four groups (10 rats in each group). The control group received a sham treatment (intra-abdominal injection of phosphate-buffered saline), the GH group received an intra-abdominal injection of recombinant human growth hormone, the FA group was treated with a mandibular advancement device, and the GH+FA group received both the GH and FA treatments...
April 30, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29697217/blood-brain-barrier-transport-kinetics-of-nota-modified-proteins-the-somatropin-case
#15
Nathalie Bracke, Yorick Janssens, Evelien Wynendaele, Liesa Tack, Alex Maes, Christophe van de Wiele, Mike Sathekge, Bart De Spiegeleer
BACKGROUND: Chemical modifications such as PEG, polyamine and radio labeling on proteins can alter their pharmacokinetic behaviour and their blood-brain barrier (BBB) transport characteristics. NOTA, i.e. 1,4,7-triazacyclononane-1,4,7-triacetic acid, is a bifunctional chelating agent that has attracted the interest of the scientific community for its high complexation constant with metals like gallium. Until now, the comparative BBB transport characteristics of NOTA-modified proteins versus unmodified proteins are not yet described...
April 24, 2018: Quarterly Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29693323/single-step-recombinant-human-growth-hormone-rhgh-purification-from-milk-by-peptide-affinity-chromatography
#16
Soledad L Saavedra, María C Martínez Ceron, Silvana L Giudicessi, Guillermina Forno, María Belén Bosco, Mariela M Marani, Rosa Erra-Balsells, Fernando Albericio, Osvaldo Cascone, Silvia A Camperi
Recombinant human growth hormone (rhGH) is used for the treatment of several pathologies, most of them related to growth. Although different expression systems can be used for its production, the milk from transgenic cows is one of the most interesting due to the high rhGH level achieved (5 g/L). We have designed and synthesized short peptides (9 or 10 amino acid long) using Fmoc chemistry and studied their ability to purify rhGH from milk once immobilized on an agarose support. Using spiked milk with the hormone as a sample, rhGH was purified with 88% yield and 92% purity in a single step with a fold purification of 4...
April 25, 2018: Biotechnology Progress
https://www.readbyqxmd.com/read/29692759/report-of-a-novel-shox-missense-variant-in-a-boy-with-short-stature-and-his-mother-with-leri-weill-dyschondrosteosis
#17
Laura Lucchetti, Paolo Prontera, Amedea Mencarelli, Ester Sallicandro, Annalisa Mencarelli, Marta Cofini, Alberto Leonardi, Gabriela Stangoni, Laura Penta, Susanna Esposito
Heterozygous mutations in the SHOX gene or in the upstream and downstream enhancer elements are associated with 2-22% of cases of idiopathic short stature (OMIM #300582) and with 60% of cases of Leri-Weill dyschondrosteosis (OMIM #127300) with which female subjects are generally more severely affected. Approximately 80-90% of SHOX pathogenic variants are deletions or duplications, and the remaining 10-20% are point mutations that primarily give rise to missense variants. The clinical interpretation of novel variants, particularly missense variants, can be challenging and can remain of uncertain significance...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29688888/body-composition-and-metabolic-health-of-young-male-adults-with-childhood-onset-multiple-pituitary-hormone-deficiency-after-cessation-of-growth-hormone-treatment
#18
Hongbo Yang, Linjie Wang, Xiaonan Qiu, Kemin Yan, Fengying Gong, Huijuan Zhu, Hui Pan
BACKGROUND: Recombinant human growth hormone (rhGH) replacement therapy is usually stopped after linear growth completion in patients with growth hormone deficiency. In patients with multiple pituitary hormone deficiency (MPHD), the long-term effects of discontinuation of rhGH replacement are unknown. METHODS: In this study, the anthropometric and metabolic parameters of 24 male patients with adult growth hormone deficiency (AGHD) due to MPHD in childhood after cessation of rhGH therapy for a mean of 7...
April 25, 2018: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/29662270/recombinant-human-growth-hormone-in-neonatal-onset-multisystem-inflammatory-disease
#19
Donato Rigante, Clelia Cipolla, Aurora Rossodivita
No abstract text is available yet for this article.
2018: Clinical Pediatric Endocrinology: Case Reports and Clinical Investigations: Official Journal of the Japanese Society for Pediatric Endocrinology
https://www.readbyqxmd.com/read/29655555/effects-of-treatment-of-preweaning-dairy-calves-with-recombinant-bovine-somatotropin-on-immune-responses-and-somatotropic-axis
#20
A L Belli, R B Reis, A Veronese, R Moreira, K Flanagan, J Driver, C D Nelson, J A Clapper, M A Ballou, K C Jeong, R C Chebel
Weaning may be associated with negative energy balance and body weight loss when calves are still immunologically immature, predisposing them to infectious diseases. The aim of the present experiment was to investigate the effects of treatment of preweaning dairy calves with recombinant bovine somatotropin (rbST) on the somatotropic axis, selected immune parameters, and hematology of calves around weaning. Thirty-six Holstein female calves were randomly assigned to receive 1.5 to 1.8 mg of rbST (Posilac, Elanco Animal Health, Greenfield, IN) per kilogram of body weight or to receive injections of saline (saline solution 0...
April 11, 2018: Journal of Dairy Science
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