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Growth Hormone and aging

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https://www.readbyqxmd.com/read/28823127/effects-of-feeding-corn-naturally-contaminated-with-aflatoxin-on-growth-performance-apparent-ileal-digestibility-serum-hormones-levels-and-gene-expression-of-na-k-atpase-in-ducklings
#1
Farzana Abbasi, Jingbo Liu, Hongfu Zhang, Xiaoyun Shen, Xuegang Luo
Objective: A 14-d trial was conducted to determine the effects of feeding corn naturally contaminated with aflatoxin B1 (AFB1) on growth performance, apparent ileal digestibility, serum hormones levels and gene expression of Na+, K+-ATPase in ducklings. Methods: A total of 704 ducklings were blocked on the basis of sex and body weight, and then allocated randomly to 1 of the following 2 treatments: 1) CON, basal diet and 2) AFB1, diets with 100% of normal corn replaced with AFB1 contaminated corn...
August 16, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28822957/two-year-recombinant-human-growth-hormone-rhgh-treatment-is-more-effective-in-pre-pubertal-compared-to-pubertal-short-children-with-x-linked-hypophosphatemic-rickets-xlhr
#2
Anya Rothenbuhler, Laure Esterle, Iva Gueorguieva, Jean-Pierre Salles, Brigitte Mignot, Michel Colle, Agnes Linglart
CONTEXT: Twenty-five to 40% of patients with well-controlled X-linked hypophosphatemic rickets (XLHR) have a final height under -2 SDS. Previous studies have shown that recombinant human growth hormone (rhGH) treatment improves linear growth in short children with XLHR. OBJECTIVE: We studied the effectiveness of rhGH treatment in children with XLHR in a larger cohort. DESIGN: Monocentric, prospective, non-randomized trial. SETTING: University hospital in France...
August 15, 2017: Growth Hormone & IGF Research
https://www.readbyqxmd.com/read/28822553/vitamin-d-status-in-growing-dairy-goats-and-sheep-influence-of-ultraviolet-b-radiation-on-bone-metabolism-and-calcium-homeostasis
#3
M V Nemeth, M R Wilkens, A Liesegang
The aim of this study was to investigate how controlled UVB irradiation in combination with reduced nutritional vitamin D (vitD) supply affects vitD status and Ca metabolism of growing goats and sheep. The hypothesis was that, like dairy cows, goats and sheep are able to compensate for the missing nutritional supply of vitD through endogenous production in the skin, with the consequence of a high vitD status and a balanced Ca homeostasis. Sixteen lambs and 14 goat kids aged 3 and a half months were housed in an UVB free environment and fed hay and a vitD-free concentrate over a period of 13 wk...
August 16, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28822544/performance-strategies-affect-mammary-gland-development-in-prepubertal-heifers
#4
R L Albino, A L Sguizzato, K M Daniels, M S Duarte, M M Lopes, S E F Guimarães, M M D C A Weller, M I Marcondes
In Brazil, the majority of dairy cattle are Holstein × Gyr (H×G). It is unknown whether excessive energy intake negatively affects their mammary development to the same extent as in purebred Holsteins. We hypothesized that mammary development of H×G heifers can be affected by dietary energy supply. We evaluated the effect of different average daily gains (ADG) achieved by feeding different amounts of a standard diet during the growing period on biometric measurements, development of mammary parenchyma (PAR) and mammary fat pad (MFP), and blood hormones...
August 16, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28822018/the-prevalence-of-growth-hormone-deficiency-in-survivors-of-subarachnoid-haemorrhage-results-from-a-large-single-centre-study
#5
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
#6
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
#7
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
#8
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/28814333/rapamycin-prevents-cyclophosphamide-induced-over-activation-of-primordial-follicle-pool-through-pi3k-akt-mtor-signaling-pathway-in-vivo
#9
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
#10
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/28808787/malignant-transformation-of-a-conservatively-managed-incidental-childhood-cerebral-mass-lesion-controversy-regarding-management-paradigm
#11
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/28805911/effects-of-post-weaning-growth-rate-and-puberty-induction-protocol-on-reproductive-performance-of-bos-indicus-influenced-beef-heifers
#12
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/28801297/-effect-of-metformin-on-insulin-resistance-during-catch-up-growth-in-mice-with-fetal-growth-restriction
#13
Ping Peng, Chun-Ling Ma, Shu-Mei Wan, Wen-Sheng Jin, Yan Gao, Tian-Qing Huang, Qi Cheng, Chang-Lan Ye
OBJECTIVE: To study the efficacy of metformin intervention on insulin resistance during catch-up growth in mice with fetal growth restriction (FGR). METHODS: Mouse models of FGR were established by low protein diet feeding of the pregnant mice. Both the newborn female mice with FGR and normal control (NC) mice were randomized for feeding with a standard diet (SF) or a high-fat diet (HF) after weaning and treatment with gavage of either metformin or normal saline...
August 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28800636/combined-sprint-and-resistance-training-abrogates-age-differences-in-somatotropic-hormones
#14
Maha Sellami, Wissem Dhahbi, Lawrence D Hayes, Johnny Padulo, Fatma Rhibi, Hanen Djemail, Anis Chaouachi
The aim of this investigation was to compare serum growth hormone (GH), insulin-like growth factor-1 (IGF-1) and insulin-like growth factor-binding protein-3 (IGFBP-3) in response to a combined sprint and resistance training (CSRT) program in young and middle-aged men.Thirty-eight healthy, moderately trained men participated in this study. Young and middle-aged men were randomly assigned to, a young training group (YT = 10, 21.4±1.2yrs) ora young control group (YC = 9, 21.6±1.8 yrs), a middle-aged training group (MAT = 10, 40...
2017: PloS One
https://www.readbyqxmd.com/read/28798412/a-time-varying-biased-random-walk-approach-to-human-growth
#15
Béla Suki, Urs Frey
Growth and development are dominated by gene-environment interactions. Many approaches have been proposed to model growth, but most are either descriptive or describe population level phenomena. We present a random walk-based growth model capable of predicting individual height, in which the growth increments are taken from time varying distributions mimicking the bursting behaviour of observed saltatory growth. We derive analytic equations and also develop a computational model of such growth that takes into account gene-environment interactions...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28798085/the-association-of-falling-insulin-requirements-with-maternal-biomarkers-and-placental-dysfunction-a-prospective-study-of-women-with-pre-existing-diabetes-in-pregnancy
#16
Suja Padmanabhan, Vincent W Lee, Mark Mclean, Neil Athayde, Valeria Lanzarone, Qemer Khoshnow, Michael J Peek, N Wah Cheung
OBJECTIVE: To investigate the association of falling insulin requirements (FIR) among women with pre-existing diabetes with adverse obstetric outcomes and maternal biomarkers longitudinally in pregnancy. RESEARCH DESIGN AND METHODS: A multicenter prospective cohort study of 158 women (41 with type 1 diabetes and 117 with type 2 diabetes) was conducted. Women with FIR of ≥15% from the peak total daily dose after 20 weeks gestation were considered case subjects (n = 32)...
August 10, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28797406/ct-detected-growth-of-coronary-artery%C3%A2-calcification-in-asymptomatic-middle-aged-subjects-and-association-with-15-biomarkers
#17
Søren Zöga Diederichsen, Mette Hjortdal Grønhøj, Hans Mickley, Oke Gerke, Flemming Hald Steffensen, Jess Lambrechtsen, Niels Peter Rønnow Sand, Lars Melholt Rasmussen, Michael Hecht Olsen, Axel Diederichsen
OBJECTIVES: This study sought to determine the incidence and progression of coronary artery calcification (CAC) in asymptomatic middle-aged subjects and to evaluate the value of a broad panel of biomarkers in the prediction of CAC growth. BACKGROUND: CAC continues to be a major risk factor, but the value of biochemical markers in predicting CAC incidence and progression remains unresolved. METHODS: At baseline, 1,227 men and women underwent traditional risk assessment and a computed tomography (CT) scan to determine the CAC score...
August 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28797374/hormone-replacement-the-fountain-of-youth
#18
REVIEW
Bradley R Williams, Janet Soojeung Cho
Natural aging brings reduced production of growth and sex hormones, beginning in middle age, with noticeable physiologic changes by the sixth or seventh decade of life: reduced muscle mass, energy, and exercise capacity and alterations in sexual function. Hormones and hormone precursors have been investigated to delay changes in body composition, strength, and physical and cognitive function. Menopausal hormone therapy is effective for vasomotor and genitourinary symptoms. Testosterone is effective in men with hypogonadism and declines in physiologic function...
September 2017: Primary Care
https://www.readbyqxmd.com/read/28793284/growth-hormone-therapy-in-children-with-kabuki-syndrome-1-year-treatment-results
#19
Dina A Schott, Willem J M Gerver, Constance T R M Stumpel
BACKGROUND/AIMS: Kabuki syndrome (KS) is a rare genetic malformation syndrome, resulting in characteristic features such as short stature. We investigate whether growth hormone (GH) treatment increases linear height and influences body proportions in KS children. METHODS: In this prospective study, 18 genetically confirmed prepubertal KS children (9 females and 9 males) aged from 3.8 to 10.1 years (mean 6.8 ± 2.1 years) were treated with recombinant human GH (rhGH) for 1 year...
August 9, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/28780521/early-growth-hormone-treatment-start-in-childhood-growth-hormone-deficiency-improves-near-adult-height-analysis-from-nordinet-%C3%A2-international-outcome-study
#20
Michel Polak, Joanne C Blair, Primoz Kotnik, Effie Pournara, Birgitte Tønnes Pedersen, Tilman R Rohrer
OBJECTIVE: To investigate the effect of age at growth hormone (GH) treatment start on near adult height (NAH) in children with isolated GH deficiency (GHD). DESIGN: NordiNet(®) International Outcome Study (IOS) (NCT00960128), a non-interventional, multicentre study, evaluates the long-term effectiveness and safety of Norditropin(®) (somatropin) (Novo Nordisk A/S) in the real-life clinical setting. METHODS: Patients (n=172) treated to NAH (height at ≥18 years, or height velocity <2 cm/year at ≥16 [boys] or ≥15 [girls] years) were grouped by age (years) at treatment start (early [girls, <8; boys, <9], intermediate [girls, 8-10; boys, 9-11] or late [girls, >10; boys, >11]) and GHD severity (<3 ng/mL or 3-≤10 ng/mL)...
August 5, 2017: European Journal of Endocrinology
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