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Recombinant growth hormone

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https://www.readbyqxmd.com/read/28331865/growth-hormone-utilization-review-in-a-pediatric-primary-care-setting
#1
Fatemeh Sayarifard, Fereshteh Bakhshi Imcheh, Shirinsadat Badri, Toktam Faghihi, Mostafa Qorbani, Mania Radfar
OBJECTIVE: One of the main problems facing public health providers and administrators in many countries is ensuring the rational use of high-cost drugs. In this regard, on-going process of medication use evaluation can be considered as a useful tool. In this study, we evaluated certain usage aspects of a highly-cost medication, that is, recombinant growth hormone (GH). METHODS: This cross-sectional study conducted from August 2012 to August 2014. Children receiving GH ± gonadotropin releasing hormone (GnRH) analogs were included in the study...
January 2017: Journal of Research in Pharmacy Practice
https://www.readbyqxmd.com/read/28323922/fibrogenesis-imperfecta-ossium-and-response-to-human-growth-hormone-a-potential-novel-therapy
#2
Sanjay Kumar Bhadada, Vandana Dhiman, Soham Mukherjee, Sameer Aggarwal, Amanjit Bal, Suja P Sukumar, Ashwani Sood, Dinesh Chandra Sharma, Niranjan Khandelwal, Anil Bhansali, Wim Van Hul, Sudhaker D Rao
Context: Fibrogenesis imperfecta ossium (FIO) is a rare bone disease manifested by generalized bone pain, fragility fractures, progressive disability, and extensive mineralization defect on bone biopsy. The pathogenesis of the disease is unknown and currently there is no effective treatment. Objective: To report on the effect of recombinant human growth hormone (rhGH) therapy in FIO. Design: An observational study in two patients. Setting: Endocrinology Clinic in an Academic Institution Patients or Other Participants: Two siblings with FIO Intervention(s): rhGH was administered subcutaneously at a dose of 1U daily for one year...
February 28, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28296370/-use-of-recombinant-human-growth-hormone-rhgh
#3
Raúl Calzada-León
Recombinant human growth hormone, synthesized in E.coli or mammalian cells cultures, is since 1985, a useful therapeutic resource to increase growth velocity and final height. In this paper are discussed the four phases (aims, security and efficacy, utility and efficiency) indispensables to define the start of treatment, as well as the absolute, relative and metabolic indications and the transitory and permanent conditions that contraindicate its use. It is commented the way to optimize the results (simple but indispensables indications for the physician, the patients and their family)...
March 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28296276/report-on-an-anti-doping-operation-in-guadeloupe-high-number-of-positive-cases-and-inferences-about-doping-habits
#4
A Marchand, C Buisson, L Martin, J-A Martin, A Molina, D Ressiot
Anti-doping controls in non-major events are relatively infrequent and athletes that compete only in these events are less likely to be controlled. The French Anti-Doping Agency carried out an anti-doping operation during a regional cycling competition in Guadeloupe. The urine and serum samples were analyzed by the French anti-doping laboratory. Out of 42 athletes, 7 were positive for one or more substances prohibited by the World Anti-Doping Agency. Four serum samples contained continuous erythropoietin receptor activator (CERA) and one a recombinant erythropoietin...
March 11, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28289136/estrogen-modulates-mesenchymal-epidermal-interactions-in-the-adult-nipple
#5
Hsing-Jung Wu, Ji Won Oh, Dan F Spandau, Sunil Tholpady, Jesus Diaz, Laura J Schroeder, Carlos D Offutt, Adam B Glick, Maksim V Plikus, Sachiko Koyama, John Foley
Maintenance of specialized epidermis requires signals from the underlying mesenchyme; however, specific pathways involved remain to be identified. By recombining cells from ventral skin of the K14-PTHrP transgenic mice with those from wild-type, we show that transgenic stroma is sufficient to reprogram wild-type keratinocytes into nipple-like epidermis. To identify candidate nipple-specific signaling factors, we compared gene expression signatures of sorted Pdgfrα-positive ventral K14-PTHrP and wild-type fibroblasts, identifying differentially-expressed transcripts of the WNT, HGF, TGFβ, IGF, BMP, FGF and estrogen signaling...
March 13, 2017: Development
https://www.readbyqxmd.com/read/28285550/the-inhibition-of-udp-glucuronosyltransferases-ugts-by-tetraiodothyronine-t4-and-triiodothyronine-t3
#6
Da-Wei Chen, Zuo Du, Chun-Ze Zhang, Wei-Hua Zhang, Yun-Feng Cao, Hong-Zhi Sun, Zhi-Tu Zhu, Kun Yang, Yong-Zhe Liu, Ze-Wei Zhao, Zhi-Wei Fu, Wen-Qing Gu, Yang Yu, Zhong-Ze Fang
1. UDP-glucuronosyltransferases (UGTs) are important drug-metabolizing enzymes (DMEs) catalyzing the glucuronidation elimination of various xenobiotics and endogenous substances. Endogenous substances are important regulators for the activity of various UGT isoforms. Triiodothyronine (T3) and thyroxine (T4) are important thyroid hormones essential for normal cellular differentiation and growth. The present study aims to elucidate the inhibition behavior of T3 and T4 on the activity of UGT isoforms. 2. In vitro recombinant UGTs-catalyzed glucuronidation of 4-methylumbelliferone (4-MU) was used to screen the inhibition potential of triiodothyronine (T3) and thyroxine (T4) on the activity of various UGT isoforms...
March 13, 2017: Xenobiotica; the Fate of Foreign Compounds in Biological Systems
https://www.readbyqxmd.com/read/28250299/successful-pregnancies-and-deliveries-in-a-patient-with-evolving-hypopituitarism-due-to-pituitary-stalk-transection-syndrome-role-of-growth-hormone-replacement
#7
Miyako Yoshizawa, Yasuhiko Ieki, Eisuke Takazakura, Kaori Fukuta, Takao Hidaka, Takanobu Wakasugi, Akira Shimatsu
We herein report a 31-year-old Japanese woman with evolving hypopituitarism due to pituitary stalk transection syndrome. She had a history of short stature treated with growth hormone (GH) in childhood and had hypothyroidism and primary amenorrhea at 20 years old. Levothyroxine replacement and recombinant follicle stimulating hormone-human chorionic gonadotropin (FSH-hCG) therapy for ovulation induction were started. GH replacement therapy (GHRT) was resumed when she was 26 years old. She developed mild adrenocortical insufficiency at 31 years old...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28247216/antitumor-activity-of-interferon-%C3%AE-1a-in-hormone-refractory-prostate-cancer-with-neuroendocrine-differentiation
#8
A Dicitore, E S Grassi, M O Borghi, G Gelmini, M C Cantone, G Gaudenzi, L Persani, M Caraglia, G Vitale
PURPOSE: Type I interferons (IFN-α and IFN-β) are a class of cytokines that exert several biological activities, such as modulation of cell proliferation and differentiation and of the immune system. Although these cytokines interact with a common receptor complex, IFN-β showed a more potent antitumor activity than IFN-α in several tumor models. New recombinant human IFN-β products, such as IFN-β1a and IFN-β1b, have been produced in order to improve the stability and bioavailability of natural IFN-β...
March 1, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28237587/hepatic-mrna-expression-for-genes-related-to-somatotropic-axis-glucose-and-lipid-metabolisms-and-inflammatory-response-of-periparturient-dairy-cows-treated-with-recombinant-bovine-somatotropin
#9
P R B Silva, W J Weber, B A Crooker, R J Collier, W W Thatcher, R C Chebel
Objectives of this experiment were to evaluate the effects of recombinant bovine somatotropin (rbST) treatment of periparturient dairy cows on hepatic mRNA expression for genes related to the somatotropic axis, insulin, glucose, and lipid metabolism, inflammation, and oxidative stress. Holstein cows were enrolled in the experiment at 253 ± 3 d of gestation and assigned to 1 of 3 treatments: untreated control (n = 53), 87.5 mg of rbST (n = 56; rbST87.5), and 125 mg of rbST (n = 57; rbST125). Cows in the rbST87...
February 22, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28225068/relish2-mediates-bursicon-homodimer-induced-prophylactic-immunity-in-the-mosquito-aedes-aegypti
#10
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
#11
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
#12
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
#13
Nathalie Bracke, Han Yao, Evelien Wynendaele, Frederick Verbeke, Xiaolong Xu, Bert Gevaert, Alex Maes, Christophe Van de Wiele, Mike Sathekge, Sarah De Saeger, Bart 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...
February 16, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28190647/human-growth-hormone-stabilizes-walking-and-improves-strength-in-a-patient-with-dominantly-inherited-calpainopathy
#14
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
#15
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
#16
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
#17
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
#18
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...
February 15, 2017: 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
#19
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
#20
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
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