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Growth Hormone AND IGF-1

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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/28326345/methionine-restriction-alters-bone-morphology-and-affects-osteoblast-differentiation
#2
Amadou Ouattara, Diana Cooke, Raj Gopalakrishnan, Tsang-Hai Huang, Gene P Ables
Methionine restriction (MR) extends the lifespan of a wide variety of species, including rodents, drosophila, nematodes, and yeasts. MR has also been demonstrated to affect the overall growth of mice and rats. The objective of this study was to evaluate the effect of MR on bone structure in young and aged male and female C57BL/6J mice. This study indicated that MR affected the growth rates of males and young females, but not aged females. MR reduced volumetric bone mass density (vBMD) and bone mineral content (BMC), while bone microarchitecture parameters were decreased in males and young females, but not in aged females compared to control-fed (CF) mice...
December 2016: Bone Reports
https://www.readbyqxmd.com/read/28323955/rapid-onset-of-diabetic-ketoacidosis-following-sglt2-inhibition-in-a-patient-with-unrecognized-acromegaly
#3
Marino Quarella, Daniel Walser, Michael Brändle, Jean-Yves Fournier, Stefan Bilz
Context: Diabetic ketoacidosis has been described as a rare complication of acromegaly and may be observed in 1% of affected patients. The well described direct lipolytic effect of growth hormone results in increased availability of free fatty acids (FFA) for hepatic ketogenesis and is an important pathogenic event. More recently, ketoacidosis has been identified as an important complication of sodium-glucose-transport-protein 2 inhibitors (SGLT2i). Increased pancreatic glucagon secretion, impaired renal ketone body clearance and an increase in FFA concentrations secondary to decreased insulin concentrations are likely precipitating factors...
February 21, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28323915/insulin-igf-1-and-gh-receptors-are-altered-in-an-adipose-tissue-depot-specific-manner-in-male-mice-with-modified-gh-action
#4
Rikke Hjortebjerg, Darlene E Berryman, Ross Comisford, Stuart J Frank, Edward O List, Mette Bjerre, Jan Frystyk, John J Kopchick
Growth hormone (GH) is an important determinant of glucose homeostasis and adipose tissue (AT) function. Using seven-month-old bovine GH transgenic (bGH) mice and GH receptor knockout (GHR-/-) mice, we examined whether changes in GH action affect glucose, insulin, and pyruvate tolerance and AT expression patterns of proteins involved in the interrelated signaling pathways of GH, insulin-like growth factor-1 (IGF-1), and insulin. Furthermore, we searched for AT depot-specific differences in control mice that may explain why GH effects depend on AT location...
February 27, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323143/effect-of-age-and-gender-on-serum-periostin-relationship-to-cortical-measures-bone-turnover-and-hormones
#5
Jennifer S Walsh, Fatma Gossiel, Jessica R Scott, Margaret A Paggiosi, Richard Eastell
Periostin is an extracellular matrix protein, and in bone is expressed most highly in the periosteum. It increases bone formation through osteoblast differentiation, cell adhesion, Wnt signalling and collagen cross-linking. We hypothesised that serum periostin would be high at times of life when cortical modeling is active, in early adulthood and in older age, and that it would correlate with cortical bone measures, bone turnover and hormones that regulate cortical modeling. We conducted a cross-sectional observational study of 166 healthy men and women at three skeletal stages; the end of longitudinal growth (16-18years), peak bone mass (30-32years) and older age (over 70years)...
March 16, 2017: Bone
https://www.readbyqxmd.com/read/28318464/effects-of-a-dietary-crude-fibre-concentrate-on-growth-in-weaned-piglets
#6
P Superchi, R Saleri, P Borghetti, G Ferrarini, V Cavalli, M Sereni, S Zavattini, A Sabbioni
Many fibre sources can help the adaptation of piglets at weaning, improving the growth. In this study, the effects of a dietary crude fibre concentrate (CFC) on piglet's growth was investigated. From 31 to 51 days of age, 108 weaned piglets (D×(Lw×L)), had access to two isofibrous, isoenergetic and isonitrogenous diets, supplemented with 1% of CFC (CFC group) or not (control (CON) group). From days 52 to 64 all piglets received the same starter diet. During the dietary treatment period the CFC group showed higher average daily gain, average daily feed intake and feed efficiency (P<0...
March 20, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28316158/-cost-effectiveness-analysis-of-octreotide-long-acting-release-and-lanreotide-slow-release-for-the-treatment-of-postoperative-patients-with-active-acromegaly-in-china
#7
J W Xuan, Z Y Zhang, Y F Wang, Z G Mao, Y J Lu, R Z Wang
Objective: To evaluate the cost-effectiveness of octreotide long acting release (LAR) vs lanreotide slow release (SR) for the treatment of postoperative acromegalic patients with elevated levels of growth hormone (GH) and insulin-like growth factor 1 (IGF-1) in China. Methods: A decision tree model was constructed and the treatment impact was projected for one year in Chinese setting. The clinical efficacy measure used was the percentage of patients achieving normalization (control) of either IGF-1 or GH levels...
March 14, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28316059/prevention-of-tumour-cell-apoptosis-associated-with-sustained-protein-kinase-b-phosphorylation-is-more-sensitive-to-regulation-by-insulin-signalling-than-stimulation-of-proliferation-and-extracellular-signal-regulated-kinase
#8
Christoph Schmid, Claudia Ghirlanda, Markus Niessen
Insulin controls blood glucose while insulin-like growth factor (IGF) 1 is an important growth factor. Interestingly, both hormones have overlapping bioactivities and can activate the same intracellular signal transduction cascades. Growth control (mainly by IGF1) and metabolic function (predominantly by insulin) are believed to depend on activation of extracellular signal-regulated kinases (ERKs) 1/2 and protein kinase B (Akt/PKB), respectively. Therefore, insulin analogues that are used to normalize blood glucose are tested for their ability to preferentially activate Akt/PKB but not ERK1/2 and mitogenesis...
March 18, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28297688/-a-case-of-a-pituitary-adenoma-diagnosed-as-carney-complex-syndrome-in-an-older-female-patient
#9
Ai Okamoto, Daisuke Wajima, Rinsei Tei, Yasushi Shin, Misato Inoue, Shuta Aketa, Taiji Yonezawa
Carney complex syndrome is an autosomal dominant familial tumor syndrome first described by Carney et al. in 1985. The diagnostic criteria include endocrine hyperactivity and spotty skin pigmentation. A 73-year-old woman with cerebral infarction was referred to our department because her brain magnetic resonance imaging(MRI)revealed a pituitary tumor. Her blood tests revealed elevated levels of growth hormone(GH), thyroid stimulating hormone(TSH), and insulin-like growth factor-1(IGF-1). We suspected the presence of a GH-secreting tumor and performed the operation...
March 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28291214/-modern-diagnosis-and-postoperative-monitoring-of-acromegaly-patients-at-a-neurosurgical-clinic
#10
L I Astaf'eva, P L Kalinin, B A Kadashev
Acromegaly is a severe disease associated with chronic overproduction of the growth hormone (GH) and insulin-like growth factor-1 (IGF-1), which is caused in most cases by pituitary adenoma. The main causes of mortality in acromegaly are cardiovascular diseases, respiratory diseases, and cancers. At present, the most effective treatment for acromegaly is surgical pituitary adenomectomy. Complete resection of pituitary tumors leads to the normalization of GH and IGF-1 levels, regression of symptoms, and a reduction in the risk of death...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28289709/imaging-mass-spectrometry-demonstrates-age-related-decline-in-human-adipose-plasticity
#11
Christelle Guillermier, Pouneh K Fazeli, Soomin Kim, Mingyue Lun, Jonah P Zuflacht, Jessica Milian, Hang Lee, Hugues Francois-Saint-Cyr, Francois Horreard, David Larson, Evan D Rosen, Richard T Lee, Claude P Lechene, Matthew L Steinhauser
Quantification of stable isotope tracers has revealed the dynamic state of living tissues. A new form of imaging mass spectrometry quantifies isotope ratios in domains much smaller than a cubic micron, enabling measurement of cell turnover and metabolism with stable isotope tracers at the single-cell level with a methodology we refer to as multi-isotope imaging mass spectrometry. In a first-in-human study, we utilize stable isotope tracers of DNA synthesis and de novo lipogenesis to prospectively measure cell birth and adipocyte lipid turnover...
March 9, 2017: JCI Insight
https://www.readbyqxmd.com/read/28288230/-somatotropic-axis-and-molecular-markers-of-mineral-metabolism-in-children-undergoing-chronic-peritoneal-dialysis
#12
María Luisa Ceballos Osorio, Francisco Cano Schuffeneger
Growth failure is one of the most relevant complications in children with chronic kidney disease (CKD). Among others, growth hormone (GH) resistance and bone mineral disorders have been identified as the most important causes of growth retardation. OBJECTIVES: 1. To characterize bone mineral metabolism and growth hormone bio-markers in CKD children treated with chronic peritoneal dialysis (PD). 2. To evaluate height change with rhGH treatment. PATIENTS AND METHOD: A longitudinal 12-month follow-up in prepuberal PD children...
February 2017: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/28285644/effects-of-transdermal-testosterone-gel-or-an-aromatase-inhibitor-on-serum-concentration-and-pulsatility-of-growth-hormone-in-older-men-with-age-related-low-testosterone
#13
Jenny Pena Dias, Johannes D Veldhuis, Olga Carlson, Michelle Shardell, Chee W Chia, Denise Melvin, Josephine M Egan, Shehzad Basaria
Growth hormone is the major regulator of growth and body composition. Pulsatile GH secretion declines exponentially with age. Testosterone replacement is being increasingly offered to older men with age-related low testosterone. Testosterone administration has been shown to stimulate GH secretion. However, little is known about the effect of testosterone aromatization to estradiol on GH pulsatility and its impact on IGF-1 in older men. OBJECTIVE: This randomized controlled proof-of-concept trial investigated the relative effects of testosterone and estradiol on GH pulsatility and IGF-1 in older men with low testosterone...
April 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28285640/first-and-second-trimester-gestational-weight-gains-are-most-strongly-associated-with-cord-blood-levels-of-hormones-at-delivery-important-for-glycemic-control-and-somatic-growth
#14
Sheryl L Rifas-Shiman, Abby Fleisch, Marie-France Hivert, Christos Mantzoros, Matthew W Gillman, Emily Oken
BACKGROUND: Excessive gestational weight gain (GWG) during pregnancy is associated with adverse outcomes for mothers and offspring. Early, mid, and late pregnancy GWGs have different associations with fetal growth and later life adiposity, but associations with cord blood hormones, which might predict later health, are not well studied. METHODS: In 978 pregnant women from the pre-birth Project Viva cohort, we calculated trimester-specific GWG using clinically recorded prenatal weights...
April 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28279229/human-umbilical-cord-mesenchymal-stem-cells-improve-the-reserve-function-of-perimenopausal-ovary-via-a-paracrine-mechanism
#15
Jia Li, QiuXian Mao, JingJun He, HaoQing She, Zhi Zhang, ChunYan Yin
BACKGROUND: Human umbilical cord mesenchymal stem cells (hUCMSCs) are a type of pluripotent stem cell which are isolated from the umbilical cord of newborns. hUCMSCs have great therapeutic potential. We designed this experimental study in order to investigate whether the transplantation of hUCMSCs can improve the ovarian reserve function of perimenopausal rats and delay ovarian senescence. METHOD: We selected naturally aging rats confirmed by vaginal smears as models of perimenopausal rats, divided into the control group and the treatment group, and selected young fertile female rats as normal controls...
March 9, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28271457/insulin-growth-factor-1-correlates-with-higher-bone-mineral-density-and-lower-inflammation-status-in-obese-adult-subjects
#16
Rachele Fornari, Chiara Marocco, Davide Francomano, Simona Fittipaldi, Carla Lubrano, Viviana M Bimonte, Lorenzo M Donini, Emanuele Nicolai, Antonio Aversa, Andrea Lenzi, Emanuela A Greco, Silvia Migliaccio
PURPOSE: Obesity is a severe public health problem worldwide, leading to an insulin-resistant state in liver, adipose, and muscle tissue, representing a risk factor for type 2 diabetes mellitus, cardiovascular diseases, and cancer. We have shown that abdominal obesity is associated with homeostasis derangement, linked to several hormonal and paracrine factors. Data regarding potential link between GH/IGF1 axis, bone mineral density, and inflammation in obesity are lacking. Thus, aim of this study was to evaluate correlation among IGF-1, BMD, and inflammation in obese individuals...
March 7, 2017: Eating and Weight Disorders: EWD
https://www.readbyqxmd.com/read/28260068/sevoflurane-downregulates-igf%C3%A2-1-via-microrna%C3%A2-98
#17
Jue Jiang, Zhifeng Chen, Yaqiong Yang, Jia Yan, Hong Jiang
Insulin-like growth factor (IGF)-1 functions as a neuroprotective hormone and may protect against cognitive impairment, which may occur as a result of sevoflurane exposure. The aim of the present study was to assess the effect of sevoflurane on the production of IGF‑1 and investigate the molecular mechanisms underlying this regulation. The BRL rat hepatocyte cell line and adult mice were exposed to 1 or 2 minimal alveolar concentrations sevoflurane for 4 or 8 h. IGF‑1 and microRNA‑98 levels were quantified using an enzyme‑linked immunosorbent assay, western blotting and reverse transcription‑quantitative polymerase chain reaction analyses...
February 17, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28253502/short-stature-in-a-boy-with-multiple-early-onset-autoimmune-conditions-due-to-a-stat3-activating-mutation-could-intracellular-growth-hormone-signalling-be-compromised-%C3%A2
#18
Hana Sediva, Petra Dusatkova, Veronika Kanderova, Barbora Obermannova, Jana Kayserova, Lucie Sramkova, Dana Zemkova, Lenka Elblova, Michal Svaton, Radana Zachova, Stanislava Kolouskova, Eva Fronkova, Zdenek Sumnik, Anna Sediva, Jan Lebl, Stepanka Pruhova
BACKGROUND: Germline STAT3 gain-of-function (GOF) mutations cause multiple endocrine and haematologic autoimmune disorders, lymphoproliferation, and growth impairment. As the JAK-STAT pathway is known to transduce the growth hormone (GH) signalling, and STAT3 interacts with STAT5 in growth regulation, we hypothesised that short stature in STAT3 GOF mutations results mostly from GH insensitivity via involving activation of STAT5. CASE REPORT: A boy with a novel STAT3 c...
March 2, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/28250290/the-relationship-between-the-growth-hormone-insulin-like-growth-factor-system-and-the-histological-features-of-nonalcoholic-fatty-liver-disease
#19
Sayaka Chishima, Tomomi Kogiso, Noriko Matsushita, Etsuko Hashimoto, Katsutoshi Tokushige
Objective Growth hormone (GH) deficiency has recently been reported as a cause of nonalcoholic fatty liver disease (NAFLD), and GH supplementation has been shown to improve the histology of NAFLD. The aim of the present study was to clarify the relationship between the histological severity of NAFLD and production of the GH/insulin-like growth factor 1 (IGF-1) axis. Methods A total of 222 Japanese patients with liver biopsy-confirmed NAFLD and 55 patients with hepatitis C virus (HCV)-related chronic liver disease (CLD) were enrolled in the present study...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28249788/the-mrna-expression-of-insulin-like-growth-factor-1-igf1-is-decreased-in-the-rat-frontal-cortex-following-gamma-hydroxybutyrate-ghb-administration
#20
Erika Brolin, Jenny Johansson, Sofia Zelleroth, Shanti Diwakarla, Fred Nyberg, Alfhild Grönbladh, Mathias Hallberg
In recent years, growth hormone (GH), together with its secondary mediators insulin-like growth factor-1 (IGF-1) and insulin-like growth factor-2 (IGF-2), have been highlighted for their beneficial effects in the central nervous system (CNS), in particular as cognitive enhancers. Cognitive processes, such as learning and memory, are known to be impaired in individuals suffering from substance abuse. In the present study, we investigated the effect of gamma-hydroxybuturate (GHB), an illicit drug used for its sedating and euphoric properties, on genes associated with the somatotrophic axis in regions of the brain important for cognitive function...
February 27, 2017: Neuroscience Letters
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