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Aging AND human growth hormone

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https://www.readbyqxmd.com/read/29133514/first-prospective-multicenter-italian-study-on-the-impact-of-the-21-gene-recurrence-score-in-adjuvant-clinical-decisions-for-patients-with-er-positive-her2-negative-breast-cancer
#1
Maria Vittoria Dieci, Valentina Guarneri, Tommaso Giarratano, Marta Mion, Giampaolo Tortora, Costanza De Rossi, Stefania Gori, Cristina Oliani, Laura Merlini, Felice Pasini, Giorgio Bonciarelli, Gaia Griguolo, Enrico Orvieto, Silvia Michieletto, Tania Saibene, Paola Del Bianco, Gian Luca De Salvo, PierFranco Conte
BACKGROUND: The Breast DX Italy prospective study evaluated the impact of the 21-gene recurrence score (RS) result on adjuvant treatment decisions for patients with early breast cancer. MATERIALS AND METHODS: Nine centers (two Hub and seven Spoke centers of the Veneto Oncology Network) participated. Consecutive patients with estrogen receptor positive, human epidermal growth receptor negative, T1-T3, N0-N1 early breast cancer were prospectively registered; only those meeting protocol-defined clinicopathological "intermediate risk" criteria were eligible for the RS test...
November 13, 2017: Oncologist
https://www.readbyqxmd.com/read/29118911/fibroblast-growth-factor-21-delayed-endothelial-replicative-senescence-and-protected-cells-from-h2o2-induced-premature-senescence-through-sirt1
#2
Jinhua Yan, Jinli Wang, Huijin Huang, Yi Huang, Tao Mi, Cuntai Zhang, Le Zhang
Vascular aging is an independent risk factor for age-related diseases, including atherosclerosis. Fibroblast growth factor 21 (FGF21) has been widely recognized as a metabolic regulator that is elevated in response to caloric and nutritional restrictions. Recent studies have demonstrated its emerging role as a pro-longevity hormone, but its effects on the senescence of human umbilical vascular endothelial cells (HUVECs) remain unclear. In the present study, we explored the anti-senescence effects and underlying mechanism of FGF21 on HUVECs...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/29112593/age-related-changes-in-luteal-dynamics-preliminary-associations-with-antral-follicular-dynamics-and-hormone-production-during-the-human-menstrual-cycle
#3
Angela Baerwald, Heidi Vanden Brink, Caitlin Hunter, Denae Beuker, Hyun Lim, Chel Hee Lee, Donna Chizen
OBJECTIVE: The aim of the study was to test the hypothesis that the development of luteal phase dominant follicles (LPDFs) as women age is associated with abnormal luteal function. METHODS: Luteal and antral follicle diameter were quantified in ovulatory women of midreproductive age (MRA; 18-35 y; n = 9) and advanced reproductive age (ARA; 45-55 y; n = 16) every 1 to 3 days during one complete interovulatory interval. Blood was drawn at each visit and assayed for progesterone, estradiol, inhibin A, follicle-stimulating hormone, and luteinizing hormone...
November 6, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/29104246/relation-among-aromatase-p450-and-tumoral-growth-in-human-prolactinomas
#4
REVIEW
María José García-Barrado, Enrique J Blanco, María Carmen Iglesias-Osma, Marta Carretero-Hernández, Leonardo Catalano-Iniesta, Virginia Sanchez-Robledo, Manuel Carretero, Julio Joaquín Herrero, Sixto Carrero, José Carretero
The pituitary gland is part of hypothalamic-pituitary-gonadal axis, which controls development, reproduction, and aging in humans and animals. In addition, the pituitary gland is regulated mainly by hormones and neurotransmitters released from the hypothalamus and by systemic hormones secreted by target glands. Aromatase P450, the enzyme responsible for the catabolization of aromatizable androgens to estrogens, is expressed in different parts of body, including the pituitary gland. Moreover, aromatase P450 is involved in sexual dimorphism where alteration in the level of aromatase can initiate a number of diseases in both genders...
November 1, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29103175/efficacy-and-safety-in-older-patient-subsets-in-studies-of-endocrine-monotherapy-versus-combination-therapy-in-patients-with-hr-her2-%C3%A2-advanced-breast-cancer-a-review
#5
REVIEW
Rachel A Freedman, Sara M Tolaney
PURPOSE: Prospective information regarding the tolerability and efficacy of endocrine therapy (ET) alone and in combination with targeted agents in older patients in the metastatic setting is limited. This review summarizes available trial data in this population. METHODS: We searched PubMed for Phase 2 or 3 trials with age-stratified patient cohorts (≥ 65 vs. < 65 years in most studies) with hormone receptor-positive (HR+), human epidermal growth factor receptor 2-negative (HER2-) advanced breast cancer treated with ET ± targeted agents...
November 4, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29103133/recombinant-growth-hormone-therapy-for-prepubertal-children-with-idiopathic-short-stature-in-korea-a-phase-iii-randomized-trial
#6
J Kim, B-K Suh, C W Ko, K-H Lee, C H Shin, J S Hwang, H S Kim, W Y Chung, C J Kim, H-S Han, N Y Kwon, S Y Cho, H-W Yoo, D-K Jin
PURPOSE: Several studies have evaluated the effects of growth hormone (GH) on auxological and biochemical parameters in children with non-GH-deficient, idiopathic short stature (ISS). This study evaluated the efficacy and safety of Growtropin(®)-II (recombinant human GH) in Korean patients with ISS. METHODS: This was a 1-year, open-label, multicenter, phase III randomized trial of Growtropin(®)-II in Korean patients with ISS. In total, 70 prepubertal subjects (39 males, 31 females) between 4 and 12 years of age were included in the study...
November 4, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/29098396/survival-benefit-of-tamoxifen-and-aromatase-inhibitor-in-male-and-female-breast-cancer
#7
Holm Eggemann, Udo Altmann, Serban-Dan Costa, Atanas Ignatov
BACKGROUND: Our goal was to compare the survival advantage of tamoxifen (TAM) and aromatase inhibitor (AI) in female (FBC) and male breast cancer (MBC). PATIENTS AND METHODS: We performed a retrospective study of 2785 FBC and 257 MBC patients treated with hormonal therapy. RESULTS: The median follow-up was 106 months (range 3-151 months) and 42 months (range 2-115 months) for FBC and MBC, respectively. The patients were divided into two groups according to the hormonal therapy used: TAM-treated and AI-treated...
November 2, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/29093011/primary-immunoprevention-of-epithelial-ovarian-carcinoma-by-vaccination-against-the-extracellular-domain-of-anti-m%C3%A3-llerian-hormone-receptor-ii
#8
Suparna Mazumder, Justin M Johnson, Valerie Swank, Nina Dvorina, Elizabeth Martelli, Jennifer Ko, Vincent K Tuohy
Epithelial ovarian carcinoma (EOC) is the most prevalent form of ovarian cancer in the United States, representing approximately 85% of all cases and causing more deaths than any other gynecologic malignancy. We propose that optimized control of EOC requires the incorporation of a vaccine capable of inducing safe and effective preemptive immunity in cancer-free women. In addition, we hypothesize that ovarian-specific self-proteins that are "retired" from autoimmune-inducing expression levels as ovaries age but are expressed at high levels in emerging EOC may serve as vaccine targets for mediating safe and effective primary immunoprevention...
November 2017: Cancer Prevention Research
https://www.readbyqxmd.com/read/29061165/sustained-endocrine-profiles-of-a-girl-with-wagr-syndrome
#9
Yui Takada, Yasunari Sakai, Yuki Matsushita, Kazuhiro Ohkubo, Yuhki Koga, Satoshi Akamine, Michiko Torio, Yoshito Ishizaki, Masafumi Sanefuji, Hiroyuki Torisu, Chad A Shaw, Masayo Kagami, Toshiro Hara, Shouichi Ohga
BACKGROUND: Wilms tumor, aniridia, genitourinary anomalies and mental retardation (WAGR) syndrome is a rare genetic disorder caused by heterozygous deletions of WT1 and PAX6 at chromosome 11p13. Deletion of BDNF is known eto be associated with hyperphagia and obesity in both humans and animal models; however, neuroendocrine and epigenetic profiles of individuals with WAGR syndrome remain to be determined. CASE PRESENTATION: We report a 5-year-old girl with the typical phenotype of WAGR syndrome...
October 23, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/29051812/patients-perceptions-on-the-usability-of-the-surepal%C3%A2-self-injection-device-for-omnitrope-%C3%A2-a-questionnaire-based-observational-study-conducted-in-paediatric-patients-in-france
#10
Régis Coutant, Clémentine Dupuis, Patricia Pigeon, Phillipe Rebaud
BACKGROUND: A questionnaire-based survey was conducted to evaluate attitudes towards a reusable self-injection system, SurePal™, among paediatric patients with growth disturbances who were prescribed treatment with somatropin (Omnitrope(®)) as part of routine clinical practice. METHODS: This cross-sectional survey was incorporated into the multinational, multi-centre, noninterventional PAtients TReated with Omnitrope(®) (PATRO) Children study. Questions were mainly focused on five areas: the attractiveness of SurePal™; training received; use of the device; opinion of the low-drug wastage system; experience compared with previous devices used (among pretreated patients)...
September 2017: Therapeutic Advances in Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29031688/vitamin-d-deficiency-is-associated-with-poor-breast-cancer-prognostic-features-in-postmenopausal-women
#11
Benedito de Sousa Almeida-Filho, Heloisa De Luca Vespoli, Eduardo Carvalho Pessoa, Murilo Machado, Jorge Nahas-Neto, Eliana Aguiar Petri Nahas
This study aimed to evaluate the association between pretreatment vitamin D (VD) deficiency with breast cancer prognostic features in Brazilian postmenopausal women. An analytical cross sectional study was conducted with 192 women, aged 45-75 years, attended at University Hospital. Women with recent diagnosis of breast cancer, in amenorrhea >12months and age ≥45 years, without medication use or clinical conditions that interfere with VD values were included. Clinical and anthropometric data were collected...
November 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29031189/renal-subcapsular-xenografing-of-human-fetal-external-genital-tissue-a-new-model-for-investigating-urethral-development
#12
Dylan Isaacson, Joel Shen, Mei Cao, Adriane Sinclair, Xuan Yue, Gerald Cunha, Laurence Baskin
In this paper, we introduce our novel renal subcapsular xenograft model for the study of human penile urethral and clitoral development. We grafted fifteen intact fetal penes and clitorides 8-11 weeks fetal age under the renal capsules of gonadectomized athymic mice. The mice were treated with a subcutaneous pellet of dihydrotestosterone (DHT), diethylstilbestrol (DES) or untreated with hormones. Xenografts were harvested after fourteen days of growth and analyzed via serial histologic sectioning and immunostaining for Ki-67, cytokeratins 6, 7 and 10, uroplakin and the androgen receptor...
September 22, 2017: Differentiation; Research in Biological Diversity
https://www.readbyqxmd.com/read/29023765/impact-of-clinicopathological-characteristics-on-the-efficacy-of-neoadjuvant-therapy-in-patients-with-human-epidermal-growth-factor-receptor-2-positive-breast-cancer
#13
Bin Zhao, Hong Zhao
Neoadjuvant therapy has become increasingly common in human epidermal growth factor receptor-2 (HER2)-positive breast cancer. In this study, we examined the impact of different clinicopathological characteristics on pathological complete response (pCR) in patients treated with anti-HER2 agents. The PubMed and Embase databases were searched from inception through April 2017 to identify studies that met pre-specified criteria. The odds ratios (ORs) and 95% confidence intervals (CIs) were extracted directly or were calculated with other available information...
October 11, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29022650/sleep-related-breathing-disorders-in-patients-with-prader-willi-syndrome-depending-on-the-period-of-growth-hormone-treatment
#14
Agnieszka Lecka-Ambroziak, Małgorzata Jędrzejczak, Marta Wysocka-Mincewicz, Mieczysław Szalecki
INTRODUCTION: Sleep-related breathing disorders (SRBD) are commonly present in patients with Prader-Willi syndrome (PWS). Recombinant human growth hormone (rhGH) treatment is reported to improve breathing function in PWS, but the findings are not explicit. MATERIAL AND METHODS: Screening polysomnography- polygraphy (PSG), assessing nasal respiratory flow, respiratory effort, and blood oxygen saturation, was used. Group 1 - before rhGH therapy (n = 11, mean age 3...
October 12, 2017: Endokrynologia Polska
https://www.readbyqxmd.com/read/28990127/patterns-of-axillary-evaluation-in-older-patients-with-breast-cancer-and-associations-with-adjuvant-therapy-receipt
#15
Laura S Dominici, Helmneh M Sineshaw, Ahmedin Jemal, Chun Chieh Lin, Tari A King, Rachel A Freedman
PURPOSE: Although axillary lymph node status has traditionally been a key factor in informing adjuvant breast cancer therapy recommendations, this information may be less relevant as our focus shifts more towards tumor biology, particularly in older patients where comorbidity influences treatment decisions and nodal staging and/or surgery may not improve outcomes. We examined patterns of axillary surgery and associations between axillary surgery and receipt of adjuvant treatment in older breast cancer patients...
October 9, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28973704/neoadjuvant-and-adjuvant-therapies-for-breast-cancer
#16
REVIEW
Susmitha Apuri
Breast cancer remains the most common cancer in women in the United States, the second most common cause of cancer death, and the main cause of death in women ages 45 to 55 years. Molecular analyses have shown that breast cancer is divided into several subtypes (luminal A, luminal B, human epidermal growth factor receptor 2 [HER2] enriched, and basal-like), based on microarray techniques. Patients diagnosed as having breast cancer may undergo adjuvant or neoadjuvant chemotherapy, depending on the tumor size, hormone receptor, HER2/neu status, and desire for breast preservation...
October 2017: Southern Medical Journal
https://www.readbyqxmd.com/read/28970944/somatic-growth-aging-and-longevity
#17
REVIEW
Andrzej Bartke
Although larger species of animals typically live longer than smaller species, the relationship of body size to longevity within a species is generally opposite. The longevity advantage of smaller individuals can be considerable and is best documented in laboratory mice and in domestic dogs. Importantly, it appears to apply broadly, including humans. It is not known whether theses associations represent causal links between various developmental and physiological mechanisms affecting growth and/or aging. However, variations in growth hormone (GH) signaling are likely involved because GH is a key stimulator of somatic growth, and apparently also exerts various "pro-aging" effects...
2017: NPJ Aging and Mechanisms of Disease
https://www.readbyqxmd.com/read/28969546/igf-1-as-a-drug-for-preterm-infants-a-step-wise-clinical-development
#18
Ann Hellstrom, David Ley, Boubou Hallberg, Chatarina Lofqvist, Ingrid Hansen-Pupp, Luca A Ramenghi, Jan Borg, Lois E H Smith, Anna-Lena Hard
BACKGROUND: Insulin-like growth factor 1 (IGF-1) is a mitogenic hormone involved in many processes such as growth, metabolism, angiogenesis and differentiation. After very preterm birth, energy demands increase while maternal supplies of nutrients and other factors are lost and the infant may become dependent on parenteral nutrition for weeks. Low postnatal IGF-1 concentrations in preterm infants are associated with poor weight gain, retinopathy of prematurity (ROP) and other morbidities...
October 2, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28963633/there-is-no-association-between-vitamin-d-status-and-characteristics-of-central-precocious-puberty-in-girls
#19
Gwénaëlle Duhil de Bénazé, Raja Brauner, Jean-Claude Souberbielle
Vitamin D deficiency has been associated with several pathologies in humans and has recently been linked to idiopathic central precocious puberty in girls. We evaluated this potential link in a retrospective study. Among 493 girls with idiopathic central precocious puberty previously described, we selected 145 girls for whom a plasma sample at the initial evaluation was available to determine the concentration of 25OHD and 1,25(OH)2D. We analyzed the correlation between different puberty characteristics (BMI, growth rate the year before the onset of puberty, bone age, LH and FSH peaks, LH/FSH peak ratio, and estradiol concentration) and the concentration of 25OHD and 1,25(OH)2D...
December 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28951445/breast-cancer-survival-by-molecular-subtype-a-population-based-analysis-of-cancer-registry-data
#20
Saber Fallahpour, Tanya Navaneelan, Prithwish De, Alessia Borgo
BACKGROUND: The relation between breast cancer molecular subtype and survival has been studied in several jurisdictions, but limited information is available for Ontario. The aim of this study was to determine breast cancer survival by molecular subtype and to assess the effect on survival of selected demographic and tumour-based characteristics. METHODS: We extracted 29 833 breast cancer cases (in 26 538 girls and women aged ≥ 15 yr) diagnosed between 2010 and 2012 from the Ontario Cancer Registry...
September 25, 2017: CMAJ Open
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