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Growth hormone treatment

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https://www.readbyqxmd.com/read/29230635/quality-of-life-and-growth-after-childhood-craniopharyngioma-results-of-the-multinational-trial%C3%A2-kraniopharyngeom-2007
#1
Kerstin Heinks, Svenja Boekhoff, Anika Hoffmann, Monika Warmuth-Metz, Maria Eveslage, Junxiang Peng, Gabriele Calaminus, Hermann L Müller
CONTEXT: Quality of life (QoL) after childhood-onset craniopharyngioma (CP) is frequently impaired due to tumor and/or treatment-related factors such as endocrine deficits and hypothalamic involvement/lesions. PATIENTS AND METHODS: In a multinational trial, we prospectively analyzed parental and self-assessment of CP patient QoL at 3 months, 1 and 3 years after CP diagnosis related to growth hormone (GH) substitution. 47 of 194 CP recruited between 2007 and 2015 in KRANIOPHARYNGEOM 2007 were analyzed for QoL 1 and 3 years after CP diagnosis...
December 11, 2017: Endocrine
https://www.readbyqxmd.com/read/29229882/igf1-stimulates-differentiation-of-primary-follicles-and-their-growth-in-ovarian-explants-of-zebrafish-danio-rerio-cultured-in-vitro
#2
Pancharatna A Katti, Sheetal S Narvekar, Basavaraj B Goundadkar, Prasad A Deshpande
The present study is an attempt to elucidate the involvement of insulin-like growth factor (IGF1) in the differentiation and growth of primary follicles in ovarian explant cultures of zebrafish. Ovaries from adult females were cultured in triplicate sets/treatment group for 15 days at 22° in the laboratory. Culture medium was supplemented with either insulin (1 ng/mL) or IGF1 (1 ng/mL) or insulin + IGF1 (Experiment 1) or 0.1 or 1.0 or 10 ng/mL of IGF1 (Experiment 2). Ovaries cultured in medium alone served as controls and those fixed at the beginning of the culture as initial controls...
December 2017: Journal of Biosciences
https://www.readbyqxmd.com/read/29228549/er%C3%AE-inhibits-cyclin-dependent-kinases-1-and-7-in-triple-negative-breast-cancer
#3
Jordan M Reese, Elizabeth S Bruinsma, David G Monroe, Vivian Negron, Vera J Suman, James N Ingle, Matthew P Goetz, John R Hawse
Triple negative breast cancer (TNBC), which comprises approximately 15% of all primary breast cancer diagnoses, lacks estrogen receptor alpha, progesterone receptor and human epidermal growth factor receptor 2 expression. However, we, and others, have demonstrated that approximately 30% of TNBCs express estrogen receptor beta (ERβ), a nuclear hormone receptor and potential drug target. Treatment of ERβ expressing MDA-MB-231 cells with estrogen or the ERβ selective agonist, LY500307, was shown to result in suppression of cell proliferation...
November 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/29228527/synergistic-effects-of-resistin-and-visfatin-as-adipocyte-derived-hormones-on-telomerase-gene-expression-in-ags-gastric-cancer-cell-line
#4
Masoumeh Mohammadi, Nosratollah Zarghami, Mehdi Hedayati, Sara Ghaemmaghami
Recently suggested that adipocytokines may play a role in pathogenesis and progression of certain cancers, especially in gastric cancer. The previous study showed Resistin and Visfatin, as adipocyte derived hormones, separately increases telomerase (hTERT) gene, the aim of this study is investigating synergic effects of Resistin and Visfatin on telomerase gene expression, in AGS gastric cancer cell line. In this study, human gastric cancer AGS cell line was selected. After stimulation with increasing concentrations of Resistin and Visfatin recombinant proteins for 24 and 48 hours, cell proliferation was assessed by XTT assay...
October 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/29228411/management-of-breast-cancer-in-adjuvant-chemotherapy-settings-in-the-kanagawa-breast-oncology-group
#5
Mayako Terao, Naoki Niikura, Yasuhiro Suzuki, Norihiko Sengoku, Hitoshi Arioka, Takashi Ishikawa, Koichiro Tsugawa, Yutaka Tokuda
OBJECTIVE: Many different options for adjuvant chemotherapy are recommended in guidelines for the treatment of breast cancer. Therapeutic strategies vary among physicians. The major goals for this project were to gain a better understanding of how biomarkers are integrated into practice and how physicians select adjuvant chemotherapy. METHODS: We assembled a questionnaire with 23 example scenarios of breast cancer cases, including 6 items relevant to postoperative adjuvant therapy...
December 20, 2017: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/29225782/update-on-gh-therapy-in-adults
#6
REVIEW
Cesar Luiz Boguszewski
Over the last three decades, short- and long-term observational studies, clinical trials, systematic reviews, and meta-analyses have provided relevant information on the efficacy and safety of growth hormone (GH) replacement therapy in adults with GH deficiency (AGHD). The knowledge acquired during this time has been compiled into different guidelines that offer clinicians an evidence-based, practical approach for the management of AGHD. There are, however, still open questions in some key areas in which recommendations are supported by only moderate or weak evidence...
2017: F1000Research
https://www.readbyqxmd.com/read/29224376/regulation-of-follicle-growth-through-hormonal-factors-and-mechanical-cues-mediated-by-hippo-signaling-pathway
#7
Ikko Kawashima, Kazuhiro Kawamura
The ovary is an interesting organ that shows major structural changes within a short period of time during each reproductive cycle. Follicle development is controlled by local paracrine and systemic endocrine factors. Many hormonal and molecular analyses have been conducted to find the mechanisms underlying structural changes in ovaries, However, exact mechanisms still remain to be determined. Recent development of mechanobiology facilitates the understanding on the contribution of physical forces and changes in the mechanical properties of cells and tissues to physiology and pathophysiology...
December 9, 2017: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/29224108/negative-impact-of-testosterone-deficiency-and-5%C3%AE-reductase-inhibitors-therapy-on-metabolic-and-sexual-function-in-men
#8
Abdulmaged M Traish
Androgens are steroid hormones with pleotropic and diverse biochemical and physiological functions, and androgen deficiency exerts a negative impact on human health. Testosterone (T) either directly or via its transformation into the more potent metabolite 5α-dihydrotestosterone (5α-DHT) or via aromatization into estradiol (E2) modulates important biochemical signaling pathways of human physiology and plays a critical role in the growth and/or maintenance of functions in a host of tissues and organs. T and 5α-DHT play an important role in regulating physiology of the muscle, adipose tissue, liver, bone, and central nervous system, as well as reproductive and sexual functions...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29223982/pazopanib-sensitivity-in-a-patient-with-breast-cancer-and-fgfr1-amplification
#9
Fiona Tsui-Fen Cheng, Fu Ou-Yang, Nina Lapke, Kai-Che Tung, Yen-Kung Chen, Yuh-Yu Chou, Shu-Jen Chen
Treatment options for patients with hormone receptor-positive (HR+), HER2-negative (HER2-) breast cancer and resistance to endocrine therapy remain limited. An interesting therapeutic target in these patients is fibroblast growth factor receptor 1 (FGFR1). FGFR1 is amplified in approximately 11% of patients with breast cancer, especially those with HR+ disease. This report presents a patient with metastatic HR+ HER2- breast cancer harboring an FGFR1 amplification who was resistant to endocrine therapy but responded to pazopanib, a multi-tyrosine kinase inhibitor with FGFR-inhibiting activity...
December 2017: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/29223850/genome-wide-analysis-of-carotenoid-cleavage-oxygenase-genes-and-their-responses-to-various-phytohormones-and-abiotic-stresses-in-apple-malus-domestica
#10
Hongfei Chen, Xiya Zuo, Hongxia Shao, Sheng Fan, Juanjuan Ma, Dong Zhang, Caiping Zhao, Xiangyan Yan, Xiaojie Liu, Mingyu Han
Carotenoid cleavage oxygenases (CCOs) are able to cleave carotenoids to produce apocarotenoids and their derivatives, which are important for plant growth and development. In this study, 21 apple CCO genes were identified and divided into six groups based on their phylogenetic relationships. We further characterized the apple CCO genes in terms of chromosomal distribution, structure and the presence of cis-elements in the promoter. We also predicted the cellular localization of the encoded proteins. An analysis of the synteny within the apple genome revealed that tandem, segmental, and whole-genome duplication events likely contributed to the expansion of the apple carotenoid oxygenase gene family...
December 5, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29223745/buparlisib-plus-fulvestrant-in-postmenopausal-women-with-hormone-receptor-positive-her2-negative-advanced-breast-cancer-progressing-on-or-after-mtor-inhibition-belle-3-a-randomised-double-blind-placebo-controlled-phase-3-trial
#11
Angelo Di Leo, Stephen Johnston, Keun Seok Lee, Eva Ciruelos, Per E Lønning, Wolfgang Janni, Ruth O'Regan, Marie-Ange Mouret-Reynier, Dimitar Kalev, Daniel Egle, Tibor Csőszi, Roberto Bordonaro, Thomas Decker, Vivianne C G Tjan-Heijnen, Sibel Blau, Alessio Schirone, Denis Weber, Mona El-Hashimy, Bharani Dharan, Dalila Sellami, Thomas Bachelot
BACKGROUND: Activation of the PI3K/AKT/mTOR pathway occurs frequently in breast cancer that is resistant to endocrine therapy. Approved mTOR inhibitors effectively inhibit cell growth and proliferation but elicit AKT phosphorylation via a feedback activation pathway, potentially leading to resistance to mTOR inhibitors. We evaluated the efficacy and safety of buparlisib plus fulvestrant in patients with advanced breast cancer who were pretreated with endocrine therapy and mTOR inhibitors...
December 6, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/29223003/steroidogenic-factor-1-inverse-agonists-as-a-treatment-option-for-canine-hypercortisolism-in%C3%A2-vitro-study
#12
K Sanders, J A Mol, A Slob, H S Kooistra, S Galac
Hypercortisolism is one of the most commonly diagnosed endocrinopathies in dogs, and new targeted medical treatment options are desirable. Steroidogenic factor-1 (SF-1), an orphan nuclear hormone receptor, is a key regulator of adrenal steroidogenesis, development, and growth. In pituitary-dependent hypercortisolism (PDH), high plasma ACTH concentrations increase the transcriptional activity of SF-1. In adrenal-dependent hypercortisolism, SF-1 expression is significantly greater in dogs with recurrence after adrenalectomy than in those without recurrence...
November 21, 2017: Domestic Animal Endocrinology
https://www.readbyqxmd.com/read/29222734/tert-promoter-hotspot-mutations-in-breast-cancer
#13
Tatsunori Shimoi, Masayuki Yoshida, Yuka Kitamura, Tomomi Yoshino, Asuka Kawachi, Akihiko Shimomura, Emi Noguchi, Mayu Yunokawa, Kan Yonemori, Chikako Shimizu, Takayuki Kinoshita, Koichi Ichimura, Takahiro Fukuda, Yasuhiro Fujiwara, Kenji Tamura
BACKGROUND: Telomerase reverse transcriptase (TERT) promoter mutations have been discovered in solid and hematological malignancies, where they reflect TERT activation and cell-cycle progression. In melanoma, glioma, and thyroid cancers, TERT promoter mutations are associated with a poor prognosis. However, no studies have evaluated the prevalence and prognostic significance of TERT promoter mutations in breast cancer. METHODS: We analyzed TERT promoter hotspot mutations (C228T and C250T) using direct sequencing of DNA from 319 tumor tissues...
December 8, 2017: Breast Cancer: the Journal of the Japanese Breast Cancer Society
https://www.readbyqxmd.com/read/29222553/ghrelin-attenuates-retinal-neuronal-autophagy-and-apoptosis-in-an-experimental-rat-glaucoma-model
#14
Ke Zhu, Meng-Lu Zhang, Shu-Ting Liu, Xue-Yan Li, Shu-Min Zhong, Fang Li, Ge-Zhi Xu, Zhongfeng Wang, Yanying Miao
Purpose: Ghrelin, a natural ligand for the growth hormone secretagogue receptor type 1a (GHSR-1a), may protect retinal neurons against glaucomatous injury. We therefore characterized the underlying mechanism of the ghrelin/GHSR-1a-mediated neuroprotection with a rat chronic intraocular hypertension (COH) model. Methods: The rat COH model was produced by blocking episcleral veins. A combination of immunohistochemistry, Western blot, TUNEL assay, and retrograde labeling of retinal ganglion cells (RGCs) was used...
December 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29222266/impact-of-bone-disease-and-pain-in-thalassemia
#15
REVIEW
Antonio Piga
Conventional treatment of thalassemia, namely regular blood transfusion and iron chelation, improves perspectives and quality of life; however, successful treatment leads to more time in which long-term complications such as bone disease can develop. Thalassemia bone disease (TBD) is unique: all aspects, from bone anatomy and bone quality to mineral density, may be affected, with important morbidity including osteoporosis, fractures, spinal deformities, nerve compression, and pain. Clinical presentations include growth impairment, rickets-like features, back pain, spinal deformities, any sign of nerve compression, severe osteoporosis, and fragility fractures...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29219047/the-effects-of-genetic-polymorphism-on-treatment-response-of-recombinant-human-growth-hormone
#16
Shi Chen, Hanxiao You, Hui Pan, Huijuan Zhu, Hongbo Yang, Fengying Gong, Linjie Wang, Yu Jiang, Chengsheng Yan
Recombinant human growth hormone (rhGH) has been widely used in clinical treatment of growth hormone deficiency (GHD) or non GHD since 1985 and technology have achieved a great development in different long-acting formulations. Although the mathematical models for predicting the growth hormone response could help clinicians get to an individual personalized growth dose, many patients just can't reach the target height and the growth hormone responses differed.Genetic polymorphisms may play a role in the varies of individual responses in this treatment process...
December 6, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/29219025/the-effect-of-growth-hormone-on-chondral-defect-repair
#17
Natalie R Danna, Bryan G Beutel, Austin J Ramme, Thorsten Kirsch, Oran D Kennedy, Eric Strauss
Objective Focal chondral defects alter joint mechanics and cause pain and debilitation. Microfracture is a surgical technique used to treat such defects. This technique involves penetration of subchondral bone to release progenitor cells and growth factors from the marrow to promote cartilage regeneration. Often this results in fibrocartilage formation rather than structured hyaline cartilage. Some reports have suggested use of growth hormone (GH) with microfracture to augment cartilage regeneration. Our objective was to test whether intra-articular (IA) GH in conjunction with microfracture, improves cartilage repair in a rabbit chondral defect model...
January 2018: Cartilage
https://www.readbyqxmd.com/read/29218462/a-single-institution-experience-with-palbociclib-toxicity-requiring-dose-modifications
#18
Jun Gong, May Cho, Kim Wai Yu, James Waisman, Yuan Yuan, Joanne Mortimer
PURPOSE: Since the widespread implementation of adding palbociclib to endocrine therapy in clinical practice, myelosuppression is becoming increasingly recognized as a toxicity that may lead to dose modification. We aimed to characterize toxicities observed with palbociclib resulting in dose modifications and prescriber preferences in modifying palbociclib dosage in response to treatment-related toxicities outside the context of a clinical trial. METHODS: We conducted a single institution, retrospective study of treatment-related adverse events (AEs) resulting in modifications in dose and schedule and the methods by which dose modifications occurred in patients with advanced hormone receptor (HR)-positive, human epidermal growth factor receptor 2 (HER2)-negative breast cancer receiving palbociclib and endocrine therapy...
December 7, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29218122/effect-of-growth-hormone-on-final-height-in-children-with-idiopathic-short-stature-a-uae-eastern-region-experience
#19
Shireen Mreish, Walid Kaplan, Fares Chedid
Objectives: The use of growth hormone (GH) in idiopathic short stature (ISS) has been a subject of debate for the past two decades. We sought to assess the effect of GH on final height (FH) in patients with ISS in our region, which has a high consanguinity rate, and compare it to the effect observed in GH deficient (GHD) patients. Methods: We conducted a retrospective chart review from 1 January 2005 to 31 December 2013 for patients with ISS or GHD from the local United Arab Emirates population who received GH treatment and were followed-up regularly in our clinic...
November 2017: Oman Medical Journal
https://www.readbyqxmd.com/read/29216008/adherence-to-growth-hormone-therapy-in-children-and-its-potential-barriers
#20
Shahrzad Mohseni, Zahra Heydari, Mostafa Qorbani, Mania Radfar
BACKGROUND: One of the main concerns in chronic diseases such as growth hormone (GH) deficiency is adherence to the treatment, which significantly affects treatment outcomes. METHODS: This cross-sectional study was conducted among 169 GH recipient children (2-12 years) and teens (13-19 years) referred to a GH distributing teaching pharmacy. The eight-item Morisky Medication Adherence Scale (MMAS) and auto-compliance method were used for the assessment of patients' adherence to GH...
December 7, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
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