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Recombinant growth hormone

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https://www.readbyqxmd.com/read/28225068/relish2-mediates-bursicon-homodimer-induced-prophylactic-immunity-in-the-mosquito-aedes-aegypti
#1
Hongwei Zhang, Shengzhang Dong, Xi Chen, David Stanley, Brenda Beerntsen, Qili Feng, Qisheng Song
Bursicon is a neuropeptide hormone consisting of two cystine-knot proteins (burs α and burs β), responsible for cuticle tanning and other developmental processes in insects. Recent studies show that each bursicon subunit forms homodimers that induce prophylactic immunity in Drosophila melanogaster. Here, we investigated the hypothesis that bursicon homodimers act in prophylactic immunity in insects, and possibly arthropods, generally, using the mosquito, Aedes aegypti. We found that burs α and burs β are expressed in larvae, pupae and newly emerged adults...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28215881/effects-of-treatment-of-periparturient-dairy-cows-with-recombinant-bovine-somatotropin-on-health-and-productive-and-reproductive-parameters
#2
P R B Silva, H F Soares, W D Braz, G D Bombardelli, J A Clapper, D H Keisler, R C Chebel
The objectives of the current experiment were to evaluate the effects of treating periparturient dairy cows with recombinant bovine somatotropin (rbST) on incidence of postpartum diseases and performance. Holstein (HO) and Jersey (JS) cows from 2 herds were enrolled in the experiment at 253 ± 3 d of gestation and assigned to the control (n = 432) and rbST125 (n = 437) treatments. Cows in the rbST125 treatment received 125 mg of rbST, weekly, from -21 to 21 d relative to calving. Blood sampled weekly, from -21 to 21 d relative to calving, from a subsample of cows was used to determine the concentrations of growth hormone (GH, HO = 106) and insulin-like growth factor 1 (IGF-1, HO = 147 and JS = 49)...
February 16, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28211028/short-term-supra-physiological-rhgh-administration-induces-transient-dna-damage-in-peripheral-lymphocytes-of-healthy-women
#3
C Fantini, P Sgrò, M Pittaluga, A de Perini, I Dimauro, A Sartorio, D Caporossi, L Di Luigi
PURPOSE: While a good safety for recombinant human growth hormone (rhGH) therapy at replacement doses is recognized, a possible link between high concentration of the GH-IGF-I axis hormones and side negative effect has been reported. The aim of this pilot study was to assess whether a short-term exposure to supra-physiological doses of rhGH may affect DNA integrity in human lymphocytes (PBL). METHODS: Eighteen healthy Caucasian female (24.2 ± 3.5 years) were randomly included in a Control (n = 9) and rhGH administration group (n = 9, 3-week treatment)...
February 16, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28192978/in-vitro-functional-quality-characterization-of-nota-modified-somatropins
#4
Nathalie Bracke, Han Yao, Evelien Wynendaele, Frederick Verbeke, Xiaolong Xu, Bert Gevaert, Alex Maes, Christophe Van de Wiele, Mike Sathekge, Sarah De Saeger, Bart M J De Spiegeleer
Chemical modifications on protein biopharmaceuticals introduce extra variability in addition to their inherent complexity, hence require more comprehensive analytical and functional characterization during their discovery, development and manufacturing. Somatropin (i.e. recombinant human growth hormone, rhGH) modified with the chelating agent S-2-(4-isothiocyanatobenzyl)-1,4,7-triazacyclononane-1,4,7-triacetic acid (p-SCN-Bn-NOTA) allows the incorporation of radiometals for research and possible theranostic purposes...
January 31, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28190647/human-growth-hormone-stabilizes-walking-and-improves-strength-in-a-patient-with-dominantly-inherited-calpainopathy
#5
Kira Philipsen Prahm, Ulla Feldt-Rasmussen, John Vissing
The aim was to investigate if daily low-dose treatment with recombinant human growth hormone (somatropine) can stabilize or improve muscle strength and walking capability in a patient with dominantly inherited calpainopathy. The patient was treated with daily injections of somatropine, except for a 6-month pause, over a period of 4.5 years. Efficacy was assessed by repeated muscle dynamometry tests and 6-minute walk tests (6MWT). Strength improved in most muscle groups on treatment, deteriorated in the 6-month off treatment, and improved again when treatment was resumed...
January 23, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28182992/mixed-mode-reversed-phase-positively-charged-repulsion-chromatography-for-intact-protein-separation
#6
Ling Ding, Zhimou Guo, Zhuo Hu, Xinmiao Liang
A mixed-mode reversed phase/positively charged repulsion stationary phase C8PN composed of octyl and amino group has been developed for separation of intact protein. Before the separation of proteins, a set of probe compounds were employed to evaluate the chromatographic properties of C8PN, demonstrating typical reversed phase/positively charged repulsion interaction on this stationary phase as estimated. Then the new C8PN stationary phase was used to separate a standard protein mixture on the reversed phase mode...
January 4, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28173651/-rapidly-progressive-puberty-in-a-patient-with-mosaic-turner-syndrome-a-case-report-and-literature-review
#7
Y Liang, H Wei, X Yu, W Huang, X P Luo
Objective: To explore the clinical characteristics of diagnosis and treatment in patients with Turner syndrome and rapidly progressive puberty. Method: A rare case of rapidly progressive puberty in Turner syndrome with a mosaic karyotype of 45, X/46, X, del(X)(p21)(80%/20%)was diagnosed at Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology in January. 2015. Clinical characteristics and the related literature were reviewed. Original papers on precocious puberty or rapidly progressive puberty in Turner syndrome, published until Apr...
February 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28161880/long-term-safety-and-efficacy-of-omnitrope-%C3%A2-in-adults-with-growth-hormone-deficiency-italian-interim-analysis-of-the-patro-adults-study
#8
D Ferone, E Profka, V Gasco, M R Ambrosio, A Colao, C Di Somma, E Puxeddu, G Arnaldi, C Pagano, E Zecchi, A Pietropoli, P Beck-Peccoz
PURPOSE: To report the long-term effectiveness and safety of the recombinant human growth hormone Omnitrope(®), a somatropin biosimilar to Genotropin(®), in Italian patients with growth hormone deficiency (GHD) enrolled in the PATRO Adults study. METHODS: The PATRO Adults study is an ongoing observational, longitudinal, non-interventional global post-marketing surveillance study, conducted in several European countries. The primary endpoint is long-term safety; secondary endpoints include the effectiveness of Omnitrope(®), which was assessed using serum insulin-like growth factor-1 levels, body composition, bone mineral density and lipid levels...
February 4, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28153672/isoform-separation-and-structural-identification-of-mono-pegylated-recombinant-human-growth-hormone-peg-rhgh-with-ph-gradient-chromatography
#9
Xiufeng Qin, Jing Li, Yong Li, Yiru Gan, He Huang, Chenggang Liang
Human growth hormone plays an essential role in the treatment of dwarfism diseases, but it is limited in its short circulating half-life. Nowadays, some manufacturers are trying to take advantage of polyethylene glycol (PEG) conjugated with recombinant human growth hormone (rhGH) to improve its half-life and efficacy. However, the modified products are heterogeneous mixtures composed of reaction products with different modification sites. It is generally known as a challenging task to separate and characterize a PEGylated product, especially for its positional isoforms...
December 8, 2016: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28153033/klotho-an-anti-aging-gene-acts-as-a-tumor-suppressor-and-inhibitor-of-igf-1r-signaling-in-diffuse-large-b-cell-lymphoma
#10
Xiangxiang Zhou, Xiaosheng Fang, Yujie Jiang, Lingyun Geng, Xinyu Li, Ying Li, Kang Lu, Peipei Li, Xiao Lv, Xin Wang
BACKGROUND: Klotho, is a transmembrane protein, performs as a circulating hormone and upstream modulator of the insulin-like growth factor-1 receptor (IGF-1R), fibroblast growth factor (FGF), and Wnt signaling pathways. These pathways are involved in the development and progression of B cell lymphoma. We aimed to explore the expression pattern and functional mechanism of Klotho in diffuse large B cell lymphoma (DLBCL). METHODS: Immunohistochemistry (IHC) and western blotting were performed to detect the expression level of Klotho in DLBCL patients and cell lines...
February 2, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28143632/extracellular-like-matrices-and-leukaemia-inhibitory-factor-for-in-vitro-culture-of-human-primordial-follicles
#11
Assiel J Younis, Galit Lerer-Serfaty, Dana Stav, Bethsabee Sabbah, Tzippy Shochat, Gania Kessler-Icekson, Muayad A Zahalka, Michal Shachar-Goldenberg, Avi Ben-Haroush, Benjamin Fisch, Ronit Abir
The possibility of maturing human primordial follicles in vitro would assist fertility restoration without the danger of reseeding malignancies. Leukaemia inhibitory factor (LIF) and certain culture matrices may promote human follicular growth. The present study compared human primordial follicular growth on novel culture matrices, namely human recombinant vitronectin (hrVit), small intestine submucosa (SIS), alginate scaffolds and human recombinant virgin collagen bioengineered in tobacco plant lines (CollPlant)...
February 1, 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/28133604/interaction-of-mre11-and-clinicopathologic-characteristics-in-recurrence-of-breast-cancer-individual-and-cumulated-receiver-operating-characteristic-analyses
#12
Cheng-Hong Yang, Sin-Hua Moi, Li-Yeh Chuang, Shyng-Shiou F Yuan, Ming-Feng Hou, Yi-Chen Lee, Hsueh-Wei Chang
The interaction between the meiotic recombination 11 homolog A (MRE11) oncoprotein and breast cancer recurrence status remains unclear. The aim of this study was to assess the interaction between MRE11 and clinicopathologic variables in breast cancer. A dataset for 254 subjects with breast cancer (220 nonrecurrent and 34 recurrent) was used in individual and cumulated receiver operating characteristic (ROC) analyses of MRE11 and 12 clinicopathologic variables for predicting breast cancer recurrence. In individual ROC analysis, the area under curve (AUC) for each predictor of breast cancer recurrence was smaller than 0...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28131861/alcoholic-fatty-liver-is-enhanced-in-cyp2a5-knockout-mice-the-role-of-the-ppar%C3%AE-fgf21-axis
#13
Xue Chen, Stephen C Ward, Arthur I Cederbaum, Huabao Xiong, Yongke Lu
BACKGROUND & AIMS: Cytochrome P450 2A5 (CYP2A5) is induced by ethanol, and the ethanol induction of CYP2A5 is regulated by nuclear factor-erythroid 2-related factor 2 (NRF2). Cyp2a5 knockout (Cyp2a5(-/-)) mice develop more severe alcoholic fatty liver than Cyp2a5(+/+) mice. Fibroblast growth factor 21 (FGF21), a PPARα-regulated liver hormone, is involved in hepatic lipid metabolism. Alcoholic and non-alcoholic fatty liver are enhanced in Pparα knockout (Pparα(-/-)) mice. This study investigates the relationship between the PPARα-FGF21 axis and the enhanced alcoholic fatty liver in Cyp2a5(-/-) mice...
March 15, 2017: Toxicology
https://www.readbyqxmd.com/read/28110155/first-in-man-study-with-a-novel-pegylated-recombinant-human-insulin-like-growth-factor-i
#14
H Kletzl, A Guenther, A Höflich, C Höflich, J Frystyk, R F Staack, E Schick, C Wandel, N Bleich, F Metzger
OBJECTIVE: This study is a first time assessment of safety and tolerability, pharmacokinetics, and pharmacodynamics of RO5046013 in human, in comparison with unmodified rhIGF-I. DESIGN: The study was conducted as a single-center, randomized, double-blinded, placebo-controlled, single ascending dose, parallel group study in a clinical research unit in France. A total of 62 healthy volunteers participated in this clinical trial. RO5046013 was given as single subcutaneous injection, or as intravenous infusion over 48h, at ascending dose levels...
January 10, 2017: Growth Hormone & IGF Research
https://www.readbyqxmd.com/read/28105090/effects-of-recombinant-human-growth-hormone-in-the-treatment-of-dwarfism-and-relationship-between-igf-1-igfbp-3-and-thyroid-hormone
#15
Shanxiang Ren, Yuxiang Nie, Aihong Wang
The effects of recombinant human growth hormone (rhGH) in the treatment of dwarfism and the relationship between insulin-like growth factor (IGF)-1, IGF-binding protein (IGFBP)-3 and thyroid hormone were examined in the present study. For this purpose, 66 patients diagnosed with dwarfism were selected retrospectively, with 36 cases of growth hormone deficiency (GHD) and 30 cases of idiopathic short stature (ISS). The therapeutic dose of GHD 0.10 IU/kg·day and ISS 0.15 IU/kg·day were injected subcutaneously every night before sleep until adulthood...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28099132/efficacy-of-long-term-growth-hormone-therapy-in-short-non-growth-hormone-deficient-children
#16
Lucia Schena, Cristina Meazza, Sara Pagani, Valeria Paganelli, Elena Bozzola, Carmine Tinelli, Fabio Buzi, Mauro Bozzola
BACKGROUND: In recent years, several studies have been published showing different responses to growth hormone (GH) treatment in idiopathic short stature children. The aim of the present study was to investigate whether non-growth-hormone-deficient (non-GHD) short children could benefit from long-term GH treatment as GHD patients. METHODS: We enrolled 22 prepubertal children and 22 age- and sex-matched GHD patients, with comparable height, body mass index (BMI), bone age, and insulin-like growth factor 1 (IGF-I) circulating levels...
February 1, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28081535/efficacy-and-safety-of-continuous-subcutaneous-infusion-of-recombinant-human-gonadotropins-for-congenital-micropenis-during-early-infancy%C3%A2
#17
Athanasia Stoupa, Dinane Samara-Boustani, Isabelle Flechtner, Graziella Pinto, Isabelle Jourdon, Laura González-Briceño, Maud Bidet, Kathleen Laborde, Didier Chevenne, Anne-Elodie Millischer, Henri Lottmann, Thomas Blanc, Yves Aigrain, Michel Polak, Jacques Beltrand
BACKGROUND: Early postnatal administration of gonadotropins to infants with congenital hypogonadotropic hypogonadism (CHH) can mimic minipuberty, thereby increasing penile growth. We assessed the effects of gonadotropin infusion on stretched penile length (SPL) and hormone levels in infants with congenital micropenis. METHODS: Single-center study including 6 males with micropenis in case of isolated CHH (n = 4), panhypopituitarism (n = 1), and partial androgen insensitivity syndrome (PAIS; n = 1)...
January 12, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/28069090/effects-of-recombinant-human-growth-hormone-for-osteoporosis-systematic-review-and-meta-analysis
#18
Hayden F Atkinson, Rebecca F Moyer, Daniel Yacoub, Dexter Coughlin, Trevor B Birmingham
Our objective was to evaluate the efficacy of recombinant human growth hormone (GH) on bone mineral density (BMD) in persons age 50 and older, with normal pituitary function, with or at risk for developing osteoporosis. We systematically reviewed randomized clinical trials (RCTs), searching six databases, and conducted meta-analyses to examine GH effects on BMD of the lumbar spine and femoral neck. Data for fracture incidence, bone metabolism biomarkers, and adverse events were also extracted and analysed. Thirteen RCTs met the eligibility criteria...
January 10, 2017: Canadian Journal on Aging, la Revue Canadienne du Vieillissement
https://www.readbyqxmd.com/read/28067847/the-impact-of-growth-hormone-therapy-on-the-apoptosis-assessment-in-cd34-hematopoietic-cells-from-children-with-growth-hormone-deficiency
#19
Miłosz Piotr Kawa, Iwona Stecewicz, Katarzyna Piecyk, Edyta Paczkowska, Dorota Rogińska, Anna Sobuś, Karolina Łuczkowska, Ewa Pius-Sadowska, Elżbieta Gawrych, Elżbieta Petriczko, Mieczysław Walczak, Bogusław Machaliński
Growth hormone (GH) modulates hematopoietic cell homeostasis and is associated with apoptosis control, but with limited mechanistic insights. Aim of the study was to determine whether GH therapeutic supplementation (GH-TS) could affect apoptosis of CD34+ cells enriched in hematopoietic progenitor cells of GH deficient (GHD) children. CD34+ cells from peripheral blood of 40 GHD children were collected before and in 3rd and 6th month of GH-TS and compared to 60 controls adjusted for bone age, sex, and pubertal development...
January 7, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28063801/effect-of-mid-follicular-phase-recombinant-lh-versus-urinary-hcg-supplementation-in-poor-ovarian-responders-undergoing-ivf-a-prospective-double-blinded-randomized-study
#20
Sze Man Jennifer Mak, Wai Yee Wong, Hoi Sze Chung, Pui Wah Chung, Grace Wing Shan Kong, Tin Chiu Li, Lai Ping Cheung
Luteinizing hormone (LH) is crucial for the development of follicular growth and oocyte maturation, especially in the management of poor ovarian responders (PORs). This study presents the results of a prospective double-blinded randomized study to compare the effect of mid-follicular phase recombinant LH (rLH) supplementation with urinary human chorionic gonadotrophin (uHCG) supplementation when using a fixed gonadotrophin-releasing hormone (GnRH) antagonist protocol in IVF cycles. A total of 49 women with poor ovarian response (POR) according to the Bologna criteria were recruited...
December 16, 2016: Reproductive Biomedicine Online
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