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Recombinant growth hormone

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https://www.readbyqxmd.com/read/27893850/a-convenient-in-vivo-model-using-small-interfering-rna-silencing-to-rapidly-assess-skeletal-gene-function
#1
Wen Zhang, Can Liu, Bao Hai, Guohong Du, Hong Wang, Huijie Leng, Yingsheng Xu, Chunli Song
It is difficult to study bone in vitro because it contains various cell types that engage in cross-talk. Bone biologically links various organs, and it has thus become increasingly evident that skeletal physiology must be studied in an integrative manner in an intact animal. We developed a model using local intraosseous small interfering RNA (siRNA) injection to rapidly assess the effects of a target gene on the local skeletal environment. In this model, 160-g male Sprague-Dawley rats were treated for 1-2 weeks...
2016: PloS One
https://www.readbyqxmd.com/read/27884013/guidelines-for-growth-hormone-and-insulin-like-growth-factor-i-treatment-in-children-and-adolescents-growth-hormone-deficiency-idiopathic-short-stature-and-primary-insulin-like-growth-factor-i-deficiency
#2
Adda Grimberg, Sara A DiVall, Constantin Polychronakos, David B Allen, Laurie E Cohen, Jose Bernardo Quintos, Wilma C Rossi, Chris Feudtner, Mohammad Hassan Murad
BACKGROUND/AIMS: On behalf of the Drug and Therapeutics, and Ethics Committees of the Pediatric Endocrine Society, we sought to update the guidelines published in 2003 on the use of growth hormone (GH). Because idiopathic short stature (ISS) remains a controversial indication, and diagnostic challenges often blur the distinction between ISS, GH deficiency (GHD), and primary IGF-I deficiency (PIGFD), we focused on these three diagnoses, thereby adding recombinant IGF-I therapy to the GH guidelines for the first time...
November 25, 2016: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/27857044/the-impact-of-the-d3-growth-hormone-receptor-d3-ghr-polymorphism-on-the-therapeutic-effect-of-growth-hormone-replacement-in-children-with-idiopathic-growth-hormone-deficiency-in-poland
#3
(no author information available yet)
OBJECTIVES: The human growth hormone receptor (GHR) exon 3 deletion (d3) polymorphism has been reported to be associated with the responsiveness to growth hormone (GH) therapy. This study aimed to: (a) assess the frequency of this polymorphism in a group of Polish children with idiopathic growth hormone deficiency (IGHD) and (b) analyze their response to GH therapy. METHODS: The study group consisted of 67 prepubertal children with IGHD. The control group was composed of 150 Caucasian newborns from whom umbilical cord blood samples were drawn...
September 18, 2016: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/27837351/biomanufacturing-history-and-perspective
#4
REVIEW
Yi-Heng Percival Zhang, Jibin Sun, Yanhe Ma
Biomanufacturing is a type of manufacturing that utilizes biological systems (e.g., living microorganisms, resting cells, animal cells, plant cells, tissues, enzymes, or in vitro synthetic (enzymatic) systems) to produce commercially important biomolecules for use in the agricultural, food, material, energy, and pharmaceutical industries. History of biomanufacturing could be classified into the three revolutions in terms of respective product types (mainly), production platforms, and research technologies...
November 11, 2016: Journal of Industrial Microbiology & Biotechnology
https://www.readbyqxmd.com/read/27833947/erythropoietin-and-co-intrinsic-structure-and-functional-disorder
#5
REVIEW
Vladimir N Uversky, Elrashdy M Redwan
Erythropoietin (Epo) is a heavily glycosylated protein, with its main function being related to erythropoiesis, where it controls red blood cell production via interaction with the Epo receptor (EpoR). It also plays a number of important roles in various hormonal, growth factor, and cytokine pathways. These roles are defined by Epo partners, such as the homodimeric (EpoR)2 receptor, the heterodimeric EpoR/βCR receptor and hypoxia inducing factor (HIF). Although the main structural features of both Epo and EpoR are conserved in vertebrates, the secretion sites of Epo in mammals are different from those in other vertebrates...
November 11, 2016: Molecular BioSystems
https://www.readbyqxmd.com/read/27833804/therapeutic-role-of-human-hepatocyte-growth-factor-hgf-in-treating-hair-loss
#6
Yonghao Qi, Miao Li, Lian Xu, Zhijing Chang, Xiong Shu, Lijun Zhou
Hepatocyte growth factor (HGF) is a paracrine hormone that plays an important role in epithelial-mesenchymal transition. HGF secreted by mesenchymal cells affects many properties of epithelial cells, such as proliferation, motility, and morphology. HGF has been reported to promote follicular growth. The purpose of the present study is to investigate the therapeutic role of HGF in hair loss treatment. A recombinant vector containing the human HGF (hHGF) gene (pTARGET-hHGF) was constructed, and the expression of hHGF in vitro was quantitatively and qualitatively evaluated...
2016: PeerJ
https://www.readbyqxmd.com/read/27825319/growth-hormone-is-increased-in-the-lungs-and-enhances-experimental-lung-metastasis-of-melanoma-in-dj-1-ko-mice
#7
Chia-Hung Chien, Ming-Jen Lee, Houng-Chi Liou, Horng-Huei Liou, Wen-Mei Fu
BACKGROUND: Growth hormone (GH) mainly serves an endocrine function to regulate somatic growth, but also serves an autocrine function in lung growth and pulmonary function. Several recent studies have demonstrated the role of autocrine GH in tumor progression in some organs. However, it is not clear whether excessive secretion of GH in the lungs is related to pulmonary nodule formation. METHODS: Firstly, the lung tissues dissected from mice were used for Western blotting and PCR measurement...
November 8, 2016: BMC Cancer
https://www.readbyqxmd.com/read/27820671/contribution-of-lhx4-mutations-to-pituitary-deficits-in-a-cohort-of-417-unrelated-patients
#8
Enzo Cohen, Mohamad Maghnie, Nathalie Collot, Juliane Leger, Florence Dastot, Michel Polak, Sophie Rose, Philippe Touraine, Philippe Duquesnoy, Maïté Tauber, Bruno Copin, Anne-Marie Bertrand, Frederic Brioude, Daniela Larizza, Thomas Edouard, Laura González Briceño, Irène Netchine, Isabelle Oliver-Petit, Marie-Laure Sobrier, Serge Amselem, Marie Legendre
CONTEXT: LHX4 encodes a LIM-homeodomain transcription factor implicated in early pituitary development. In humans, only 13 heterozygous LHX4 mutations have been associated with congenital hypopituitarism. OBJECTIVE: To evaluate the prevalence of LHX4 mutations in patients with hypopituitarism, and to precise the associated phenotypes. To characterize the functional impact of the identified variants and the respective role of the two LIM domains of LHX4. PATIENTS AND DESIGN: We screened 417 unrelated patients with isolated growth hormone deficiency or combined pituitary hormone deficiency associated with ectopic posterior pituitary and/or sella turcica anomalies for LHX4 mutations (Sanger sequencing)...
November 7, 2016: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27803832/a-child-with-local-lipohypertrophy-following-recombinant-human-growth-hormone-administration
#9
Ilan J N Koppen, Roel Bakx, Chris C de Kruiff, A S Paul van Trotsenburg
Local lipohypertrophy due to recombinant human growth hormone (rhGH) administration is a rare phenomenon. Here, we report a case of an 11-year-old girl who presented with a paraumbilical swelling, approximately one year after the start of rhGH treatment for short stature due to the presumed diagnosis of partial growth hormone insensitivity. Ultrasound imaging revealed an asymmetric distribution of subcutaneous fat tissue at the rhGH administration site, indicating local lipohypertrophy. After sparing her routine injection site and alternating other sites, the swelling disappeared within 6 months...
2016: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/27775790/effect-of-single-nucleotide-polymorphisms-on-cdk4-and-zn-supplementation-in-children-with-growth-hormone-deficiency
#10
Y Liu, Z-X Zhang
OBJECTIVE: Precision medicine is a personalized disease prevention and treatment program combining modern genetic technology, molecular imaging techniques, and biological information with patients' living environment and clinical data, for accurate classification and diagnosis of diseases. CASE REPORT: Our study presents the case of a 7-year-old female patient with clinical manifestations of growth hormone (GH) deficiency. After treatment with recombinant human GH for 2 years, the patient showed a reduced growth rate...
October 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27766947/vascular-endothelial-growth-factor-vegfa-gene-variation-in-polycystic-ovary-syndrome-in-a-tunisian-women-population
#11
Assila Ben Salem, Fatma Megdich, Olfa Kacem, Malek Souayeh, Faten Hachani Ben Ali, Sondes Hizem, Faouzi Janhai, Mounir Ajina, Muhammad Abu-Elmagd, Mourad Assidi, Mohammed H Al Qahtani, Touhami Mahjoub
BACKGROUND: Polycystic ovary syndrome (PCOS) is characterized by the growth of a number of small cysts on the ovaries which leads to sex hormonal imbalance. Women who are affected by this syndrome suffer from irregular menstrual cycles, decline in their fertility, excessive hair growth, obesity, acne and most importantly cardiac function problems. The vascular endothelial growth factor (VEGF) plays a pivotal role in tissue vascularization in general and in the pathogenesis of many diseases...
October 17, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27746341/growth-hormone-is-protective-against-acute-methadone-induced-toxicity-by-modulating-the-nmda-receptor-complex
#12
Erik Nylander, Alfhild Grönbladh, Sofia Zelleroth, Shanti Diwakarla, Fred Nyberg, Mathias Hallberg
Human growth hormone (GH) displays promising protective effects in the central nervous system after damage caused by various insults. Current evidence suggests that these effects may involve N-methyl-d-aspartate (NMDA) receptor function, a receptor that also is believed to play a role in opioid-induced neurotoxicity. The aims of the present study were to examine the acute toxic effects of methadone, an opioid receptor agonist and NMDA receptor antagonist, as well as to evaluate the protective properties of recombinant human GH (rhGH) on methadone-induced toxicity...
December 17, 2016: Neuroscience
https://www.readbyqxmd.com/read/27733224/management-of-adult-growth-hormone-deficiency-at-peking-union-medical-college-hospital-a-survey-among-physicians-%C3%A2
#13
Hong-Bo Yang, Meng-Qi Zhang, Hui Pan, Hui-Juan Zhu
<strong>Objective</strong> To evaluate physicians' attitude and knowledge about the management of adult growth hormone deficiency (AGHD) at Peking Union Medical College Hospital and impact factors associated with better decision-making.<strong>Methods</strong> A 21-question anonymous survey was distributed and collected at Peking Union Medical College Hospital, a major teaching hospital in Chinese Academy of Medical Sciences. Data of physicians' educational background, clinical training, patient workload per year and continuing medical education in AGHD were collected...
September 20, 2016: Chinese Medical Sciences Journal, Chung-kuo i Hsüeh K'o Hsüeh Tsa Chih
https://www.readbyqxmd.com/read/27730472/pituitary-growth-hormone-gh-secretion-is-partially-rescued-in-hiv-infected-patients-with-gh-deficiency-ghd-compared-to-hypopituitary-patients
#14
Chiara Diazzi, Giulia Brigante, Giulia Ferrannini, Anna Ansaloni, Lucia Zirilli, Maria Cristina De Santis, Stefano Zona, Giovanni Guaraldi, Vincenzo Rochira
Biochemical growth hormone deficiency is prevalent among human immunodeficiency virus-infected patients, but if this condition is clinically relevant remains challenging. The aim is to prospectively compare the growth hormone deficiency/insulin-like growth factor-1 status of 71 human immunodeficiency virus-infected patients with impaired growth hormone response to growth hormone releasing hormone + Arginine with that of 65 hypopituitary patients affected by a true growth hormone deficiency secondary to pituitary disease...
October 11, 2016: Endocrine
https://www.readbyqxmd.com/read/27727514/serelaxin-in-acute-heart-failure-most-recent-update-on-clinical-and-preclinical-evidence
#15
Raktim Kumar Ghosh, Kinjal Banerjee, Ramyashree Tummala, Somedeb Ball, Keyvan Ravakhah, Anjan Gupta
Heart failure continues to be a widely prevalent disease across the world, affecting millions of Americans annually. Acute heart failure (AHF) has a substantial effect on rising health care costs and one of the major causes of morbidity and mortality. The search for new drugs for symptom relief and to improve long term outcomes in heart failure has led to development of serelaxin, a recombinant human relaxin-2 hormone. Relaxin was discovered in pregnancy but eventually found to have a number of other physiological actions, not only in pregnancy, but also in non-pregnant women and men...
October 11, 2016: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/27717280/evaluation-of-fibronectin-1-in-one-dried-blood-spot-and-in-urine-after-rhgh-treatment
#16
P Ferro, R Ventura, C Pérez-Mañá, M Farré, J Segura
Since the appearance of recombinant human growth hormone (rhGH) in the 80's, its expansion and acquisition through the black market has increased, so the detection of its abuse continues to be a challenge at present. New biomarkers that are more reliable and sensitive, allowing a larger detection window, are still needed. In this line, Fibronectin 1 (FN1) has been proposed as potential genetic and protein biomarker of rhGH abuse in peripheral blood lymphocytes, serum and plasma. However, logistic problems associated with current blood collection in sports drug testing points towards potential new alternative matrices that could be good candidates to be evaluated...
October 7, 2016: Drug Testing and Analysis
https://www.readbyqxmd.com/read/27702552/the-effect-of-culture-medium-and-carrier-on-explant-culture-of-human-limbal-epithelium-a-comparison-of-ultrastructure-keratin-profile-and-gene-expression
#17
Meeta Pathak, O K Olstad, Liv Drolsum, Morten C Moe, Natalia Smorodinova, Sarka Kalasova, Katerina Jirsova, Bjørn Nicolaissen, Agate Noer
Patients with limbal stem cell deficiency (LSCD) often experience pain and photophobia due to recurrent epithelial defects and chronic inflammation of the cornea. Successfully restoring a healthy corneal surface in these patients by transplantation of ex vivo expanded human limbal epithelial cells (LECs) may alleviate these symptoms and significantly improve their quality of life. The clinical outcome of transplantation is known to be influenced by the quality of transplanted cells. Presently, several different protocols for cultivation and transplantation of LECs are in use...
October 1, 2016: Experimental Eye Research
https://www.readbyqxmd.com/read/27693813/irisin-inhibition-of-growth-hormone-secretion-in-cultured-tilapia-pituitary-cells
#18
Anji Lian, Xin Li, Quan Jiang
Irisin, the product of fibronectin type III domain-containing protein 5 (FNDC5) gene, is well-documented to be a regulator of energy metabolism. At present, not much is known about its biological function in non-mammalian species. In this study, a full-length tilapia FDNC5 was cloned and its tissue expression pattern has been confirmed. Based on the sequence obtained, we produced and purified recombinant irisin which could induce uncoupling protein 1 (UCP1) gene expression in tilapia hepatocytes. Further, the rabbit polyclonal irisin antiserum was produced and its specificity was confirmed by antiserum preabsorption...
September 30, 2016: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/27681688/dysregulation-of-calcium-channels-decreases-parasecretion-in-pancreatic-%C3%AE-cells-in-rats-born-small-for-gestational-age
#19
Yan-Yan Jin, Meng-Zao He, Zhen-Yong Wu, Ke Huang, Ying Shen, Li Liang, Jian-Hua Mao
OBJECTIVE: To investigate the role of intrauterine malnourishment in the development and function of pancreatic islet β-cells. METHODS: Whole-cell patch clamping was used to record voltage-gated calcium channel (VGCC)-mediated currents. Insulin secretion was detected by measuring capacitance using a sequence of sine wave stimuli. VGCC currents and insulin secretion were measured in the small for gestational age (SGA) group treated with human recombinant growth hormone (hGH)...
September 29, 2016: Growth Factors
https://www.readbyqxmd.com/read/27660496/acceptance-of-a-reusable-self-injection-device-for-recombinant-human-growth-hormone-final-data-from-a-questionnaire-based-cross-sectional-international-multicenter-observational-study-in-pediatric-patients
#20
Dirk Schnabel, Carl-Joachim Partsch, Muriel Houang, Sarah Ehtisham, Helen Johnstone, Markus Zabransky, Wieland Kiess
BACKGROUND: A questionnaire-based survey was conducted to assess attitudes toward a reusable self-injection system (SurePal™) among pediatric patients with growth disturbances who were prescribed treatment with Omnitrope(®) within routine clinical practice. METHODS: This was a multicenter, observational study, incorporated into the noninterventional PAtients TReated with Omnitrope(®) (PATRO) Children study. Included subjects, or their caregivers, completed a questionnaire on the following five main areas: attractiveness of SurePal™, training received, using the device, the low drug wastage system, and experience versus other devices used previously (pretreated patients)...
2016: Medical Devices: Evidence and Research
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