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Growth hormone treatment

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https://www.readbyqxmd.com/read/28822018/the-prevalence-of-growth-hormone-deficiency-in-survivors-of-subarachnoid-haemorrhage-results-from-a-large-single-centre-study
#1
Sumithra Giritharan, Joanna Cox, Calvin J Heal, David Hughes, Kanna Gnanalingham, Tara Kearney
OBJECTIVE: The variation in reported prevalence of growth hormone deficiency (GHD) post subarachnoid haemorrhage (SAH) is mainly due to methodological heterogeneity. We report on the prevalence of GHD in a large cohort of patients following SAH, when dynamic and confirmatory pituitary hormone testing methods are systematically employed. DESIGN: In this cross-sectional study, pituitary function was assessed in 100 patients following SAH. Baseline pituitary hormonal profile measurement and glucagon stimulation testing (GST) was carried out in all patients...
August 18, 2017: Pituitary
https://www.readbyqxmd.com/read/28821968/near-adult-height-in-male-kidney-transplant-recipients-started-on-growth-hormone-treatment-in-late-puberty
#2
Silvia Gil, Mariana Aziz, Marta Adragna, Marta Monteverde, Alicia Belgorosky
BACKGROUND: Growth retardation and its impact on adult height is considered to be one of the most common complications in patients with chronic kidney disease (CKD). Treatment with recombinant human growth hormone (rhGH) has been effective in improving growth in kidney transplantation (KTx) patients, but little data are available on adult height in patients who began rhGh treatment in late puberty. METHODS: Near-adult height was evaluated in 13 KTx patients treated with rhGH [growth hormone group (GHGr); dose 9...
August 18, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28819906/correlation-between-adrenal-function-growth-hormone-secretion-and-insulin-sensitivity-in-children-with-idiopathic-growth-hormone-deficiency
#3
A Ciresi, S Radellini, E Vigneri, V Guarnotta, J Bianco, M G Mineo, C Giordano
PURPOSE: Patients with growth hormone deficiency (GHD) demonstrate an increased cortisol/cortisone ratio which could potentially explain the metabolic features of GHD, while GH treatment (GHT) could increase the cortisol metabolism. METHODS: In 35 children (27 M, mean age 10.1 years) with idiopathic GHD at baseline and after 12 months of GHT and in 25 controls, in addition to metabolic parameters, we assessed adrenal function by morning serum cortisol, its peak, and its area under the curve (AUCCOR) during insulin tolerance test (ITT)...
August 18, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28819753/growth-hormone-treatment-improves-final-height-and-nutritional-status-of-children-with-chronic-kidney-disease-and-growth-deceleration
#4
C Bizzarri, A Lonero, M Delvecchio, L Cavallo, M F Faienza, M Giordano, L Dello Strologo, M Cappa
PURPOSE: Growth retardation is a common complication of chronic kidney disease (CKD) in children. Treatment with recombinant human growth hormone (rhGH) has been used to help short children with CKD to attain a height more in keeping with their age group, but the scientific evidence regarding the effect of rhGH on final height is scarce. METHODS: Final heights of children with CKD receiving rhGH treatment (cases) were compared with final heights of a matched cohort of children with CKD that did not receive rhGH therapy (controls)...
August 17, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28818388/genetic-analysis-of-rootstock-mediated-nitrogen-n-uptake-and-root-to-shoot-signalling-at-contrasting-n-availabilities-in-tomato
#5
M J Asins, A Albacete, C Martinez-Andujar, F Pérez-Alfocea, I C Dodd, E A Carbonell, J A Dieleman
Selecting rootstocks for high nitrogen acquisition ability may allow decreased N fertilizer application without reducing tomato yields, minimizing environmental nitrate pollution. A commercial hybrid tomato variety was grafted on a genotyped population of 130 recombinant inbred lines (RILs) derived from Solanum pimpinellifolium, and compared with self- and non-grafted controls under contrasting nitrate availabilities (13.8 vs 1.0mM) in the nutrient solution. Grafting itself altered xylem sap composition under N-sufficient conditions, particularly Na(+) (8...
October 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28818383/methyl-jasmonate-and-salicylic-acid-are-able-to-modify-cell-wall-but-only-salicylic-acid-alters-biomass-digestibility-in-the-model-grass-brachypodium-distachyon
#6
Thiago Alves Napoleão, Giuliana Soares, Camilo Elber Vital, Carla Bastos, Robson Castro, Marcelo Ehlers Loureiro, Andrea Giordano
In addition to playing a key role in the response to environmental changes, cell walls are also considered as a valuable feedstock for cellulosic ethanol. Here we explored the effects of the stress-response hormones, salicylic acid and methyl jasmonate, on cell wall biosynthesis and biomass digestibility in Brachypodium distachyon, a species recently considered as a suitable model for biomass conversion. We found that in response to salicylic acid or methyl jasmonate treatment, plant growth was reduced coupled with significant changes in cell wall composition...
October 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28816986/efficacy-and-safety-of-endocrine-monotherapy-as-first-line-treatment-for-hormone-sensitive-advanced-breast-cancer-a-network-meta-analysis
#7
Jingwen Zhang, Yanhong Huang, Changyi Wang, Yuanfang He, Shukai Zheng, Kusheng Wu
BACKGROUND: Endocrine therapy was recommended as the preferred first-line treatment for hormone receptor-positive (HR+, i.e., ER+ and/or PgR+), human epidermal growth factor receptor-2-negative (HER2-) postmenopausal advanced breast cancer (ABC), but which endocrine monotherapy is optimal lacks consensus. We aimed to identify the optimal endocrine monotherapy with a network meta-analysis. METHODS: We performed a network meta-analysis for a comprehensive analysis of 6 first-line endocrine monotherapies (letrozole, anastrozole, exemestane, tamoxifen, fulvestrant 250 mg and 500 mg) for HR+ HER2- metastatic or locally advanced breast cancer in postmenopausal patients...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28815913/metastatic-triple-negative-breast-cancer-optimizing-treatment-options-new-and-emerging-targeted-therapies
#8
REVIEW
Parham Khosravi-Shahi, Luis Cabezón-Gutiérrez, Sara Custodio-Cabello
Triple negative breast cancer (TNBC) is a heterogeneous disease, not only on the molecular level, but also on the pathologic and clinical levels. It also has a distinct epidemiology. TNBCs are frequently of high histologic grade, typically more aggressive and difficult to treat than hormone receptor-positive tumors, and they are associated with a higher risk of early relapse with visceral metastasis after surgery, chemotherapy and/or radiotherapy. The lack of estrogen receptor, progesterone receptor and human epidermal growth factor receptor 2 expression precludes the use of targeted therapies in advanced stages, and the only approved systemic treatment option is chemotherapy with or without bevacizumab...
August 16, 2017: Asia-Pacific Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28814529/selective-hif-1-regulation-under-nonhypoxic-conditions-by-the-p42-p44-map-kinase-inhibitor-pd184161
#9
Maroua Jalouli, Sophie Mokas, Catherine A Turgeon, Laurent Lamalice, Darren E Richard
Hypoxia-inducible factor-1 (HIF-1) is a key gene regulator for cellular adaptation to low oxygen. In addition to hypoxia, several nonhypoxic stimuli, including hormones and growth factors, are an essential part for cell-specific HIF-1 regulation. Our studies have highlighted angiotensin II (AngII), a vasoactive hormone, as a potent HIF-1 activator in vascular smooth muscle cells (VSMC). AngII increases HIF-1 transcriptional activity by modulating specific signaling pathways. In VSMC, p42/p44 mitogen-activated protein kinase (MAPK) pathway activation is essential for HIF-1-mediated transcription during AngII treatment...
August 16, 2017: Molecular Pharmacology
https://www.readbyqxmd.com/read/28814452/medical-ovariectomy-in-menopausal-breast-cancer-patients-with-high-testosterone-levels
#10
Giorgio Secreto, Paola Muti, Milena Sant, Elisabetta Meneghini, Vittorio Krogh
Five years of adjuvant therapy with anti-estrogens reduce the incidence of disease progression by about 50% in estrogen receptor-positive breast cancer patients, but late relapse can still occur after that anti-estrogens have been discontinued. In these patients, excessive androgen production may account for renewed excessive estrogen formation and increased risk of late relapse. In the 50% of patients who do not benefit with anti-estrogens, the effect of therapy is limited by de novo or acquired resistance to treatment...
August 16, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28814333/rapamycin-prevents-cyclophosphamide-induced-over-activation-of-primordial-follicle-pool-through-pi3k-akt-mtor-signaling-pathway-in-vivo
#11
Linyan Zhou, Yanqiu Xie, Song Li, Yihua Liang, Qi Qiu, Haiyan Lin, Qingxue Zhang
BACKGROUND: Primordial follicular depletion has thought to be a common adverse effect of chemotherapy especially for female of reproductive age. The study aimed to evaluate the protective effect of rapamycin on the primordial follicles and its potential mechanism for patients receiving chemotherapy. METHODS: 8-week old BALB/c female mice were randomly assigned into four groups (control; rapamycin; cyclophosphamide; and rapamycin combined with cyclophosphamide). Hematoxylin staining, immunohistochemical, TUNEL, western blotting and ELISA were employed to assess inter-group differences using Student's t-test and Mann-Whitney test...
August 16, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28813700/regenerative-medicine-approaches-for-age-related-muscle-loss-and-sarcopenia-a-mini-review
#12
Juan Diego Naranjo, Jenna L Dziki, Stephen F Badylak
Sarcopenia is a complex and multifactorial disease that includes a decrease in the number, structure and physiology of muscle fibers, and age-related muscle mass loss, and is associated with loss of strength, increased frailty, and increased risk for fractures and falls. Treatment options are suboptimal and consist of exercise and nutrition as the cornerstone of therapy. Current treatment principles involve identification and modification of risk factors to prevent the disease, but these efforts are of limited value to the elderly individuals currently affected by sarcopenia...
August 17, 2017: Gerontology
https://www.readbyqxmd.com/read/28808977/skeletal-dysplasias-what-every-bone-health-clinician-needs-to-know
#13
REVIEW
Sarah M Nikkel
PURPOSE OF REVIEW: This review highlights how skeletal dysplasias are diagnosed and how our understanding of some of these conditions has now translated to treatment options. RECENT FINDINGS: The use of multigene panels, using next-generation sequence technology, has improved our ability to quickly identify the genetic etiology, which can impact management. There are successes with the use of growth hormone in individuals with SHOX deficiencies, asfotase alfa in hypophosphatasia, and some promising data for c-type natriuretic peptide for those with achondroplasia...
August 14, 2017: Current Osteoporosis Reports
https://www.readbyqxmd.com/read/28808787/malignant-transformation-of-a-conservatively-managed-incidental-childhood-cerebral-mass-lesion-controversy-regarding-management-paradigm
#14
Jehuda Soleman, Jonathan Roth, Zvi Ram, Michal Yalon, Shlomi Constantini
BACKGROUND: Incidental findings on neuroimaging in the pediatric population are an emerging treatment challenge. Treatment options for these incidental childhood brain mass lesions, which radiologically may be assumed to be low-grade gliomas (LGG), vary, ranging from careful conservative "wait and scan" treatment to surgical biopsy, gross total resection, and upfront radiation and/or chemotherapy. As malignant transformation of LGG in children is extremely rare, some series advocate careful conservative management of these lesions; however, universal treatment protocols are not totally agreed upon...
August 14, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28807594/thyroid-hormone-receptor-beta-agonist-gc-1-inhibits-met-%C3%AE-catenin-driven-hepatocellular-cancer
#15
Elisabetta Puliga, Qian Min, Junyan Tao, Rong Zhang, Tirthadipa Pradhan-Sundd, Minakshi Poddar, Sucha Singh, Amedeo Columbano, Jinming Yu, Satdarshan P Monga
The thyromimetic agent GC-1 induces hepatocyte proliferation via Wnt/β-catenin signaling and may promoting regeneration in both acute and chronic liver insufficiencies. However, β-catenin activation particularly due to mutations in CTNNB1 is seen in a subset of hepatocellular carcinomas (HCC). Thus, it will be critical to address any effect of GC-1 on HCC growth and development, before its use can be advocated to stimulate regeneration in chronic liver diseases. In the current study, we first examine the effect of GC-1 on β-catenin-TCF4 activity in HCC cell lines harboring wild-type or mutated-CTNNB1...
August 11, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28806841/genetic-polymorphisms-as-predictive-markers-of-response-to-growth-hormone-therapy-in-children-with-growth-hormone-deficiency
#16
Anna Maria Jung, Martin Zenker, Christina Lißewski, Denny Schanze, Stefan Wagenpfeil, Tilman Robert Rohrer
Objective Growth hormone (GH) deficiency (GHD) is commonly treated with recombinant human GH (rhGH). Individual response to rhGH therapy varies widely and there is evidence that variations in growth-related genes, e. g. the GH receptor (GHR) gene, may impact treatment response. We aimed to identify genetic polymorphisms which could serve as predictive markers of response to rhGH therapy. Methods We conducted a genetic analysis of single nucleotide polymorphisms (SNPs) and the GHR exon 3 deletion in 101 paediatric GHD patients receiving rhGH...
August 14, 2017: Klinische Pädiatrie
https://www.readbyqxmd.com/read/28806739/combined-effects-of-o3-and-uv-radiation-on-secondary-metabolites-and-endogenous-hormones-of-soybean-leaves
#17
Bing Mao, Hong Yin, Yan Wang, Tian-Hong Zhao, Rong-Rong Tian, Wei Wang, Jia-Shu Ye
Enhanced ultraviolet radiation (UV) and elevated tropospheric ozone (O3) may individually cause reductions in the growth and productivity of important agricultural crops. However, research regarding their combined effects on important agricultural crops is still scarce, especially on changes in secondary metabolites and endogenous hormones, which are important protective substances and signal components that control plant responses to environment stresses. In this study, using an experimental setup of open top chambers, we monitored the responses of seed yield per plant, leaf secondary metabolites and leaf endogenous hormones under the stress of elevated O3 and enhanced UV radiation individually, as well as their combined stress...
2017: PloS One
https://www.readbyqxmd.com/read/28806298/effect-of-cyproheptadine-on-weight-and-growth-velocity-in-children-with-silver-russell-syndrome
#18
Anaïs Lemoine, Madeleine D Harbison, Jennifer Salem, Patrick Tounian, Irène Netchine, Béatrice Dubern
OBJECTIVES: Nutritional management of children with Silver-Russell syndrome (SRS) is crucial, especially before initiating growth hormone therapy (GHT). Since cyproheptadine (CYP) has been reported to be orexigenic, we retrospectively investigated the effects of CYP on changes in weight and height in SRS patients. METHODS: Anthropometric parameters (weight [W], length or height [H], relative body weight for height [W/H] and body mass index [BMI]) were recorded for 34 children with SRS receiving CYP...
August 11, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28805911/effects-of-post-weaning-growth-rate-and-puberty-induction-protocol-on-reproductive-performance-of-bos-indicus-influenced-beef-heifers
#19
P Moriel, P Lancaster, G C Lamb, J M B Vendramini, J D Arthington
A 3-yr study evaluated the effectiveness of puberty induction using exogenous reproductive hormones in beef heifers undergoing different post-weaning growth rates. On d 0 of each year, grazing Angus × Brahman heifers (60 heifers/yr) were stratified by initial BW and age (BW = 253 ± 30 kg; age = 310 ± 18 d), and randomly assigned, in a 3 × 2 factorial design, to achieve a low (LOW; 0.45 kg/d), medium (MED; 0.73 kg/d), or high (HIGH; 1.00 kg/d) growth rate from d 0 to 168 (5 heifers/pasture; 4 pastures/growth rate/yr)...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28804932/kisspeptin-regulates-ovarian-steroidogenesis-during-delayed-embryonic-development-in-the-fruit-bat-cynopterus-sphinx
#20
Anuradha, Amitabh Krishna
Cynopterus sphinx, a fruit bat, undergoes delayed embryonic development during the winter months, a period that corresponds to low levels of progesterone and estradiol synthesis by the ovary. Kisspeptins (KPs) are a group of neuropeptide hormones that act via G-protein coupled receptor 54 (GPR54) to stimulate hypothalamic secretion of Gonadotropin-releasing hormone, thereby regulating ovarian steroidogenesis, folliculogenesis, and ovulation. GPR54 is also expressed in the ovary, suggesting a direct role for KPs in ovarian steroidogenesis...
August 14, 2017: Molecular Reproduction and Development
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