journal
https://read.qxmd.com/read/37229943/decreased-insulin-like-growth-factor-1-expression-in-response-to-mechanical-loading-is-associated-with-skeletal-muscle-anabolic-resistance-in-cancer-cachexia
#21
JOURNAL ARTICLE
Mitsunori Miyazaki, Atsushi Sawada, Daisuke Sawamura, Susumu Yoshida
OBJECTIVE: Cachexia is a systemic metabolic syndrome characterized by loss of body weight and skeletal muscle mass during chronic wasting diseases, such as cancer. Skeletal muscle in cancer cachexia is less responsive to anabolic factors including mechanical loading; however, the precise molecular mechanism is largely unknown. In this study, we examined the underlying mechanism of anabolic resistance in skeletal muscle in a cancer cachexia model. METHODS: CD2F1 mice (male, 8 weeks old) were subcutaneously transplanted (1 × 106 cells per mouse) with a mouse colon cancer-derived cell line (C26) as a model of cancer cachexia...
2023: Growth Hormone & IGF Research
https://read.qxmd.com/read/37084633/efficacy-and-safety-of-growth-hormone-therapy-in-children-with-noonan-syndrome
#22
REVIEW
Giorgio Sodero, Clelia Cipolla, Lucia Celeste Pane, Linda Sessa, Elena Malavolta, Federica Arzilli, Chiara Leoni, Giuseppe Zampino, Donato Rigante
Patients with Noonan syndrome typically have a target height <2 standard deviations compared to the general population, and half of the affected adults remain permanently below the 3rd centile for height, though their short stature might result from a multifactorial etiology, not-yet fully understood. The secretion of growth hormone (GH) following the classic GH stimulation tests is often normal, with baseline insulin-like growth factor-1 (IGF-1) levels at the lower normal limits, but patients with Noonan syndrome have also a possible moderate response to GH therapy, leading to a final increased height and substantial improvement in growth rate...
2023: Growth Hormone & IGF Research
https://read.qxmd.com/read/36906505/comparison-of-growth-response-and-adverse-reaction-according-to-growth-hormone-dosing-strategy-for-children-with-short-stature-lg-growth-study
#23
JOURNAL ARTICLE
Kyungchul Song, Mo Kyung Jung, Jun Suk Oh, Su Jin Kim, Han Saem Choi, Myeongseob Lee, Junghwan Suh, Ahreum Kwon, Hyun Wook Chae, Ho-Seong Kim
OBJECTIVE: Growth hormone (GH) dosage in children is conventionally determined either by body weight (BW) or body surface area (BSA). However, there is no consensus on the calculation method for proper GH treatment dose. We aimed to compare growth response and adverse reactions between BW- and BSA-based GH treatment doses for children with short statures. DESIGN: Data from 2284 GH-treated children were analyzed. Distributions of BW- and BSA-based GH treatment doses and their association with growth response parameters, including changes in height, height standard deviation score (SDS), body mass index (BMI), and safety parameters, such as changes in insulin-like growth factor (IGF)-I SDS and adverse events, were investigated...
2023: Growth Hormone & IGF Research
https://read.qxmd.com/read/36240610/effects-of-18%C3%A2-months-of-gh-replacement-on-cardiovascular-risk-factors-and-quality-of-life-in-gh-deficient-adults-a-randomized-controlled-trial-using-a-fixed-very-low-and-a-standard-dose-of-gh
#24
RANDOMIZED CONTROLLED TRIAL
Galina Götherström, Gudmundur Johannsson, Johan Svensson
OBJECTIVE: Little is known of the effects of a fixed very low dose of growth hormone (GH) replacement on cardiovascular risk factors, bone mass, muscle strength and quality of life (QoL) in hypopituitary patients. DESIGN/PATIENTS/METHODS: This was an open-label randomized study performed at a single center. Consecutive hypopituitary patients with adult onset GH deficiency (GHD) and BMI ≥ 27 kg/m<sup>2</sup> were randomized to receive a very low fixed dose of GH (LG, n = 9) or a standard dose of GH (SG, n = 9)...
December 2022: Growth Hormone & IGF Research
https://read.qxmd.com/read/36166917/paradoxical-gh-increase-during-oral-glucose-load-may-predict-overall-remission-in-acromegalic-patients
#25
JOURNAL ARTICLE
Hakan Düğer, Hayri Bostan, Hilal Yıldırım Deryol, Narin Nasıroğlu İmga, Bekir Uçan, Murat Çalapkulu, Sema Hepşen, Pınar Akhanlı, Ümran Gül, Muhammed Erkam Sencar, Erman Çakal, Şeyda Özdemir, Muhammed Kızılgül
BACKGROUND: The nadir growth hormone (nGH) during the oral glucose tolerance test (OGTT) is the gold standard method for diagnosing acromegaly. A paradoxical growth hormone (GH) response to oral glucose (OG) in acromegaly can be observed. The role of the paradoxical GH response on how the patients with acromegaly respond to the treatment has been addressed in few studies. The aim of this study was to investigate the association between glucose-dependent growth hormone results and and the responses of acromegalic patients to surgical and/or medical therapy following surgery...
December 2022: Growth Hormone & IGF Research
https://read.qxmd.com/read/36115257/increase-of-serum-lipoprotein-a-an-adverse-effect-of-growth-hormone-treatment
#26
REVIEW
Zvi Laron
A number of reports show that high endogenous, or therapeutic administration of human growth hormone (hGH) cause an increase of serum lipoprotein a, Lp(a). Being thrombogenic Lp(a) is an independent risk factor of atherosclerotic cardiovascular disease (ASCVD). Hence, it is hypothesized that the recently reported association between childhood hGH treatment and cardiovascular morbidity is probably due to the GH effect on Lp(a) synthesis. It is therefore suggested to determine serum Lp(a) levels before and during hGH treatment in children and adults...
December 2022: Growth Hormone & IGF Research
https://read.qxmd.com/read/36427361/biomarkers-of-growth-and-carbohydrate-metabolism-in-neonatal-rats-supplemented-with-fish-oil-and-or-antioxidants-during-intermittent-hypoxia
#27
JOURNAL ARTICLE
Despoina Myrsini Galetaki, Charles L Cai, Kulsajan S Bhatia, Vivian Chin, Jacob V Aranda, Kay D Beharry
OBJECTIVE: Extremely low gestational age neonates (ELGANs) experience frequent intermittent hypoxia (IH) episodes during therapeutic oxygen. ELGANs exhibit poor postnatal growth requiring lipid supplementation. Lipids are targets of reactive oxygen species resulting in lipid peroxidation and cell death, particularly in preterm infants with compromised antioxidant systems. We tested the hypothesis that early supplementation with lipids and/or antioxidants promotes growth and influences biomarkers of carbohydrate metabolism in neonatal rats exposed to IH...
November 5, 2022: Growth Hormone & IGF Research
https://read.qxmd.com/read/36280533/corrigendum-to-insulin-like-growth-factors-i-and-ii-receptors-in-the-breast-cancer-disparity-among-african-american-women-growth-hormone-igf-research-20-2010-245-254
#28
S Kalla Singh, Q W Tan, C Brito, M De León, D De León
No abstract text is available yet for this article.
October 21, 2022: Growth Hormone & IGF Research
https://read.qxmd.com/read/36252390/association-between-gestational-diabetes-mellitus-and-bioavailability-of-insulin-like-growth-factors-and-role-of-their-binding-proteins
#29
JOURNAL ARTICLE
Kateřina Anderlová, Anna Cinkajzlová, Patrik Šimják, Jana Kloučková, Helena Kratochvílová, Zdeňka Lacinová, Věra Toušková, Hana Krejčí, Miloš Mráz, Antonín Pařízek, Martin Haluzík, Michal Kršek
OBJECTIVE: Insulin-like growth factors (IGFs) are involved in regulating growth and metabolism and increase insulin sensitivity, improve glucose metabolism, and are potentially related to gestational diabetes mellitus (GDM) and its complications for mothers and fetuses. DESIGN: This study aimed to assess serum levels and cord blood levels of IGF system components in pregnant women with (39 participants) and without GDM (22 participants). Blood samples were obtained at 28-32 and 36-38 weeks of gestation and 6-12 months after delivery...
October 3, 2022: Growth Hormone & IGF Research
https://read.qxmd.com/read/36115256/age-gh-igf-1-levels-tumor-volume-t2-hypointensity-and-tumor-subtype-rather-than-proliferation-and-invasion-are-all-reliable-predictors-of-biochemical-response-to-somatostatin-analogue-therapy-in-patients-with-acromegaly-a-clinicopathological-study
#30
JOURNAL ARTICLE
Elif Tutku Durmuş, Ayşegül Atmaca, Mehmet Kefeli, Sultan Çalışkan, Ozgur Mete, Kerim Aslan, Murat Fidan, Ramis Çolak, Buğra Durmuş
PURPOSE: To determine whether biochemical responses to long-acting forms of first-generation somatostatin analogue (SSA) therapy in patients with acromegaly could be predicted from baseline and postoperative hormone concentrations, and tumor radiological and histopathological characteristics. METHODS: A total of 68 patients with acromegaly for whom postoperative SSA therapy was started were categorized according to their responses to treatment (SSA-responders vs...
September 9, 2022: Growth Hormone & IGF Research
https://read.qxmd.com/read/36113378/pharmacokinetics-and-pharmacodynamics-of-once-weekly-administration-of-jr-142-a-long-acting-albumin-fused-human-growth-hormone-a-rondemized-placebo-controlled-phase-1-study
#31
JOURNAL ARTICLE
Yasuko Owada, Mika Okazaki, Toshiaki Ikeda, Ryuji Yamamoto, Kohtaro Minami, Kenichi Takahashi, Tohru Hirato, Yoko Mita, Tatsuyoshi Yamamoto, Kazunori Tanizawa, Hiroyuki Sonoda, Yuji Sato
OBJECTIVE: Under clinical development for patients with growth hormone deficiency, JR-142 is a long-acting growth hormone with a half-life extended by fusion with modified serum albumin. We conducted a Phase 1 study to investigate the safety, tolerability, and pharmacokinetic (PK) and pharmacodynamic (PD) profiles of once-weekly subcutaneous administrations of JR-142. The study consisted of two parts: an open-label single ascending dosing study (Part 1), and a randomized, placebo-controlled, assessor-blinded multiple ascending dosing study (Part 2)...
September 8, 2022: Growth Hormone & IGF Research
https://read.qxmd.com/read/36084573/the-regulation-of-proliferation-and-apoptosis-in-hepatocellular-carcinoma-via-insulin-like-growth-factor-1-receptor
#32
JOURNAL ARTICLE
Guanjun Xu, Jiesheng Chu, Yu Shi, Longzhang Huang, Jingzhong Fu
OBJECTIVES: Insulin-like growth factor 1 receptor (IGF-1R) is a transmembrane tyrosine kinase receptor of the insulin receptor family. Its expression is consistently increased in hepatocellular carcinoma (HCC) tissue, and it participates in hepatic carcinogenesis. Targeting IGF-1R may be a potential therapeutic approach against hepatocellular carcinoma. This study therefore aimed to explore the effect of IGF-1R on hepatocellular carcinoma cells. METHODS: IGF-1R silencing cell lines were established by small-interfering RNAs in hepatocellular carcinoma cell line SMMC7721, after which the proliferation, invasion, and apoptosis of SMMC7721 was evaluated...
August 27, 2022: Growth Hormone & IGF Research
https://read.qxmd.com/read/36007464/growth-hormone-inhibits-adipogenic-differentiation-and-induces-browning-in-bovine-subcutaneous-adipocytes
#33
JOURNAL ARTICLE
Tingting Li, Hui Bai, Haoyuan Fang, Liang Yang, Peishi Yan
OBJECTIVE: It is well established that growth hormone (GH) has the ability to stimulate lipolysis. The effects of GH on adipocyte differentiation and browning have not been clearly described. Therefore, the present study aimed to elucidate the role of GH in the differentiation and browning of bovine subcutaneous adipocytes as well as its underlying molecular mechanisms. METHODS: We first treated bovine subcutaneous preadipocytes with different concentrations (0, 10, 100, and 500 ng/mL) of GH for 8 days and measured lipid accumulation and gene expression...
August 18, 2022: Growth Hormone & IGF Research
https://read.qxmd.com/read/35816941/reduced-exercise-induced-growth-hormone-secretion-among-children-with-attention-deficit-hyperactivity-disorder
#34
JOURNAL ARTICLE
Dan Nemet, Sigal Ben-Zaken, Roi A Eliakim, Alon Eliakim
PURPOSE: Attention-deficit/hyperactivity disorder (ADHD) is typically a chronic, often lifelong condition. Data suggest that ADHD itself and its treatment may be associated with dysregulated growth, including height and BMI. The reason for this association is yet unknown. The objective of this study was to examine differences in growth hormone (GH) response to exercise between children who had received a diagnosis of ADHD and age- and gender-matched controls. We reasoned that the normal increase in circulating GH seen in response to exercise would be blunted in children with ADHD...
August 2022: Growth Hormone & IGF Research
https://read.qxmd.com/read/35779406/prolactin-response-to-growth-hormone-stimulation-tests
#35
JOURNAL ARTICLE
Avivah Silbergeld, Chen Barazani, Zvi Laron
BACKGROUND: Despite many similarities between the structure, receptors, proliferative and growth promoting actions, the relationship between Prolactin (PRL) and Growth Hormone (GH) in clinical conditions has received little attention. OBJECTIVE: To determine the PRL response to GH stimulation tests. SUBJECTS: Prepubertal and early pubertal boys (n = 581) and girls (n = 502) with idiopathic, non-syndromatic short stature. DESIGN: Data was retrieved from the computerized records of the Endocrine Laboratory, Schneider Children's Medical Center...
August 2022: Growth Hormone & IGF Research
https://read.qxmd.com/read/35752133/in-missed-abortion-the-decrease-of-igf-1-down-regulates-pi3k-akt-signaling-pathway-reducing-the-secretion-of-progesterone-and-%C3%AE-hcg
#36
JOURNAL ARTICLE
Weitao Liang, Tianyuan Zhu, Na Tan, Guangzhuang Jing, Li'ao Xie, Yuhui Dang, Zhilan Li
OBJECTIVE: To explore whether the reduction of IGF-1 in missed abortion down-regulates PI3K/AKT signaling pathway, thereby causing trophoblast cell apoptosis and reducing the secretion of β-hCG and progesterone. DESIGN: 12 pairs of serum and villous tissues were selected from missed abortion patients and normal early pregnant women who had terminated pregnancy by artificial abortion. The subjects in two groups had same age and gestational week. Wes Simple Western system and qRT-PCR were used to detect the expression of IGF-1, IGF-1R, PI3K/AKT signaling pathway and apoptosis-related factors in villous tissues...
August 2022: Growth Hormone & IGF Research
https://read.qxmd.com/read/35696752/growth-of-teeth-and-bones-in-adult-subjects-with-congenital-untreated-isolated-growth-hormone-deficiency
#37
JOURNAL ARTICLE
Luiz A Oliveira-Neto, Jéssica K F Nascimento, Roberto Salvatori, Alécia A Oliveira-Santos, Rafaela S Girão, Evânio V Silva, André L M Santos, Matheus M Cunha, Marcos A V Bittencourt, Gustavo T Rodrigues, Bruna M R Andrade, Alaíde H A Oliveira, Eugênia H O Valença, Manuel H Aguiar-Oliveira
OBJECTIVE: To understand the growth of teeth and mandibular and maxillary bones in subjects with isolated growth hormone deficiency (IGHD). MATERIAL AND METHODS: Mesiodistal tooth width of 28 maxillary and mandibular dental models of 14 adult IGHD subjects (9 men) were digitalized and compared to 40 models of 20 normal-statured controls (11 men). The mean SDS of the maxillary and mandibular teeth were compared with height, cephalic perimeter, total anterior facial height, total maxillary and mandibular length, and maxillary and mandibular arches...
August 2022: Growth Hormone & IGF Research
https://read.qxmd.com/read/35917639/acromegaly-related-cutis-verticis-gyrata
#38
REVIEW
João Roque, Pedro Marques
OBJECTIVE: Acromegaly is a disorder caused by hypersecretion of growth hormone (GH), resulting in excessive levels of insulin-like growth factor 1 (IGF-1), and almost always due to a pituitary tumor. It is classically associated with acral enlargement, prominent facial features and soft tissue overgrowth. Skin manifestations include hirsutism, acne, skin tags, oily skin and acanthosis nigricans. However, other uncommon dermatological features, such as cutis verticis gyrata (CVG), may also occur...
July 28, 2022: Growth Hormone & IGF Research
https://read.qxmd.com/read/35952406/do-neurosteroids-have-impact-on-depression-and-cognitive-functions-in-cases-with-acromegaly
#39
JOURNAL ARTICLE
Esra Hatipoglu, Yalcin Hacioglu, Yeliz Polat, Hilmi Furkan Arslan, Sena Oner, Ozlem Balci Ekmekci, Mutlu Niyazoglu
OBJECTIVE: Neurosteroids (NSs) are a distinct hormone group and, they are known for their contribution into the status of mood and cognitive functions. Whether they are also involved in the mood disturbances and cognition in acromegaly is not known. Herein we aimed to evaluate the relation of mood status and cognitive functions with the NS levels in cases with acromegaly. DESIGN: A total of 33 cases with acromegaly composed the acromegaly group (AG) and, 30 age and gender-matched cases without acromegaly composed the control group (CG)...
July 27, 2022: Growth Hormone & IGF Research
https://read.qxmd.com/read/35933894/a-consensus-on-optimization-of-care-in-patients-with-growth-hormone-deficiency-and-mild-traumatic-brain-injury
#40
JOURNAL ARTICLE
Kevin C J Yuen, Brent Masel, Michael S Jaffee, Gregory O'Shanick, Tamara L Wexler, Kent Reifschneider, Randall J Urban, Sophie Hoang, Nicky Kelepouris, Andrew R Hoffman
OBJECTIVE/DESIGN: Approximately 2.9 million children and adults in the US experience traumatic brain injuries (TBIs) annually, most of which are considered mild. TBI can induce varying consequences on pituitary function, with growth hormone deficiency (GHD) among the more commonly reported conditions. Panels of pediatric and adult endocrinologists, neurologists, physical medicine and rehabilitation specialists, and neuropsychologists convened in February and October 2020 to discuss ongoing challenges and provide strategies for detection and optimal management of patients with mild TBI and GHD...
July 25, 2022: Growth Hormone & IGF Research
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