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Aging AND human growth hormone

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https://www.readbyqxmd.com/read/29778787/efficacy-of-palbociclib-combinations-in-hormone-receptor-positive-metastatic-breast-cancer-patients-after-prior-everolimus-treatment
#1
Ajay Dhakal, Christina M Matthews, Ellis Glenn Levine, Kilian Elizabeth Salerno, Fan Zhang, Kazuaki Takabe, Amy P Early, Stephen B Edge, Tracy O'Connor, Thaer Khoury, Jessica S Young, Mateusz Opyrchal
PURPOSE: Outcome data on hormone receptor positive (HR+ ), human epidermal growth factor receptor 2 (HER2) nonamplified (HER2- ) metastatic breast cancer (MBC) treated with palbociclib after treatment with everolimus are lacking. The PALOMA-3 trial, showing benefit of palbociclib plus fulvestrant compared to fulvestrant alone in HR+ HER2- MBC after progression while receiving endocrine therapy excluded women previously treated with everolimus. The objective of this study was to examine outcomes of HR+ HER2- MBC with prior exposure to everolimus while receiving palbociclib-based therapy...
April 28, 2018: Clinical Breast Cancer
https://www.readbyqxmd.com/read/29760049/insulin-suppresses-the-production-of-fibroblast-growth-factor-23-fgf23
#2
Ludmilla Bär, Martina Feger, Abul Fajol, Lars-Oliver Klotz, Shufei Zeng, Florian Lang, Berthold Hocher, Michael Föller
Fibroblast growth factor 23 (FGF23) is produced by bone cells and regulates renal phosphate and vitamin D metabolism, as well as causing left ventricular hypertrophy. FGF23 deficiency results in rapid aging, whereas high plasma FGF23 levels are found in several disorders, including kidney or cardiovascular diseases. Regulators of FGF23 production include parathyroid hormone (PTH), calcitriol, dietary phosphate, and inflammation. We report that insulin and insulin-like growth factor 1 (IGF1) are negative regulators of FGF23 production...
May 14, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29756419/growth-hormone-and-aging-updated-review
#3
REVIEW
Andrzej Bartke
Role of growth hormone (GH) in mammalian aging is actively explored in clinical, epidemiological, and experimental studies. The age-related decline in GH levels is variously interpreted as a symptom of neuroendocrine aging, as one of causes of altered body composition and other unwelcome symptoms of aging, or as a mechanism of natural protection from cancer and other chronic diseases. Absence of GH signals due to mutations affecting anterior pituitary development, GH secretion, or GH receptors produces an impressive extension of longevity in laboratory mice...
May 11, 2018: World Journal of Men's Health
https://www.readbyqxmd.com/read/29741640/rankl-rank-pathway-and-its-inhibitor-rank-fc-in-uterine-leiomyoma-growth
#4
Deborah E Ikhena, Shimeng Liu, Stacy Kujawa, Ecem Esencan, John S Coon, Jared Robins, Serdar E Bulun, Ping Yin
Context: Uterine leiomyomas are the most common type of gynecologic tumor in women. Objective: To determine the role of the cytokine receptor activator of nuclear factor κ-Β ligand (RANKL); its receptor, receptor activator of nuclear factor κ-Β (RANK); and the RANKL/RANK pathway inhibitor RANK-Fc in leiomyoma growth. Design: Messenger RNA (mRNA) or protein levels of RANKL, RANK, and proliferation markers cyclin D1 and Ki67 were assessed in various leiomyoma tissues and cell populations...
May 1, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29736148/the-pre-treatment-characteristics-and-evaluation-of-the-effects-of-recombinant-human-growth-hormone-therapy-in-children-with-growth-hormone-deficiency-and-celiac-disease-or-inflammatory-bowel-disease
#5
Ewelina Witkowska-Sędek, Dominika Labochka, Anna Majcher, Beata Pyrżak
The aim of the study: was to investigate the coincidence of growth hormone deficiency (GHD) and celiac disease (CD) or inflammatory bowel disease (IBD) in patients referred for short stature, and to evaluate the baseline anthropometric parameters and the effectiveness of recombinant human growth hormone (rhGH) therapy in the first year in those patients (GHD+CD/IBD subgroup) in comparison to patients with GHD without CD or IBD (GHD-CD/IBD subgroup). Material and methods: The study was retrospective and included 2196 short patients (height SDS [Standard Deviation Score] ≤ -1...
2018: Central-European Journal of Immunology
https://www.readbyqxmd.com/read/29731165/encapsulated-papillary-carcinoma-of-the-breast-a-clinicopathological-study-of-49-cases
#6
Xiaomei Li, Yanmei Xu, Hong Ye, Shuming Qin, Feng Hou, Wenlou Liu
BACKGROUND: Encapsulated papillary carcinoma (EPC) has been considered as a variant of ductal carcinoma in situ. Recent studies suggest that EPC could be invasive, as it often lacks myoepithelial cells (MECs) at their periphery. The current study was performed to investigate the biological features of EPC. METHODS: Forty-nine EPC patients admitted to the Tai'an Central Hospital and Qilu Hospital of Shandong University from January 2004-December 2014 were included in this study...
March 30, 2018: Current Problems in Cancer
https://www.readbyqxmd.com/read/29730021/obesity-and-breast-cancer-in-premenopausal-women-current-evidence-and-future-perspectives
#7
Daniela Laudisio, Giovanna Muscogiuri, Luigi Barrea, Silvia Savastano, Annamaria Colao
There is raising evidence reporting an increased incidence of breast cancer over the past decades. Every year approximately 1.4 million new cases of breast cancer are diagnosed worldwide, with a mortality rate of approximately 450,000/year. Out of these cases, 6.6% are diagnosed in premenopausal women with a median age at diagnosis of 40 years: in premenopausal women breast cancer seems to be more aggressive than in post-menopausal women. Obesity has been reported to increase the risk of developing breast cancer and to worsen the prognosis...
March 27, 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29718314/simulation-modeling-of-cancer-clinical-trials-application-to-omitting-radiotherapy-in-low-risk-breast-cancer
#8
Jinani Jayasekera, Yisheng Li, Clyde B Schechter, Reshma Jagsi, Juhee Song, Julia White, George Luta, Judith-Anne W Chapman, Eric J Feuer, Richard C Zellars, Natasha Stout, Thomas B Julian, Timothy Whelan, Xuelin Huang, E Shelley Hwang, Judith O Hopkins, Joseph A Sparano, Stewart J Anderson, Anthony W Fyles, Robert Gray, Willi Sauerbrei, Jeanne Mandelblatt, Donald A Berry
Background: We used two models to simulate a proposed noninferiority trial of radiotherapy (RT) omission in low-risk invasive breast cancer to illustrate how modeling could be used to predict the trial's outcomes, inform trial design, and contribute to practice debates. Methods: The proposed trial was a prospective randomized trial of no-RT vs RT in women age 40 to 74 years undergoing lumpectomy and endocrine therapy for hormone receptor-positive, human epidermal growth factor receptor 2-negative, stage I breast cancer with an Oncotype DX score of 18 or lower...
April 28, 2018: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/29716978/therapy-of-endocrine-disease-growth-hormone-replacement-therapy-in-adults-thirty-years-of-personal-clinical-experience
#9
Jens Otto L Jorgensen, Anders Juul
The acute metabolic actions of purified human GH was first documented in adult hypopituitary patients more than 50 years ago, and placebo controlled long term GH trials in GH-deficient adults (GHDA) surfaced in 1989 with the availability of biosynthetic human GH. Untreated GHDA is associated with excess morbidity and mortality from cardiovascular disease and the phenotype includes fatigue, reduced aerobic exercise capacity, abdominal obesity, reduced lean body mass, osteopenia, and elevated levels of circulating cardiovascular biomarkers...
May 1, 2018: European Journal of Endocrinology
https://www.readbyqxmd.com/read/29715633/the-detoxification-effect-of-vitamin-c-on-zearalenone-toxicity-in-piglets
#10
Yang Su, Yuchen Sun, Daxin Ju, Siying Chang, Baoming Shi, Anshan Shan
Zearalenone (ZEN), one of the more virulent mycotoxins occurred in various cereals and feed during recent decades and made serious health hazards to plants, animals and humans. Vitamin C (Vc) has been shown to be an effective antidote to zearalenone. In this paper, the effects of diets containing zearalenone on the growth performance, genital organ and immunoglobulin of weaning piglets and the toxicity alleviation of vitamin C were studied. Piglets were weaned at 21 days of age and 32 healthy female hybrid weaning piglets (Duroc × Landrace × Large white) with a mean weight of 12...
April 28, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29695917/four-cycles-of-adriamycin-and-cyclophosphamide-followed-by-four-cycles-of-docetaxel-nsabp-b27-with-concomitant-trastuzumab-as-neoadjuvant-therapy-for-high-risk-early-stage-her2-positive-breast-cancer-patients
#11
Hikmat Abdel-Razeq, Salwa S Saadeh, Mahmoud Abu-Nasser, Hazem Abdulelah, Lina Marie, Murad Salam, Basel Al-Haj Ali, Mohammad Ibrahim, Dalia Rimawi
Background: The majority of breast cancer patients in Jordan are diagnosed at a young age and present with metastatic or locally advanced disease. The National Surgical Adjuvant Breast and Bowel Project Protocol B27 (NSABP-B27) (four cycles of adriamycin and cyclophosphamide [AC] followed by four cycles of docetaxel) is a standard neoadjuvant regimen in our institution. In this study, we report the efficacy of adding trastuzumab to docetaxel in this regimen for high-risk human epidermal growth factor receptor 2 (HER2)-positive early-stage disease...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29690918/modelling-steroidogenesis-a-framework-model-to-support-hypothesis-generation-and-testing-across-endocrine-studies
#12
Laura O'Hara, Peter J O'Shaughnessy, Tom C Freeman, Lee B Smith
OBJECTIVE: Steroid hormones are responsible for the control of a wide range of physiological processes such as development, growth, reproduction, metabolism, and aging. Because of the variety of enzymes, substrates and products that take part in steroidogenesis and the compartmentalisation of its constituent reactions, it is a complex process to visualise and document. One of the goals of systems biology is to quantitatively describe the behaviour of complex biological systems that involve the interaction of many components...
April 24, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29688888/body-composition-and-metabolic-health-of-young-male-adults-with-childhood-onset-multiple-pituitary-hormone-deficiency-after-cessation-of-growth-hormone-treatment
#13
Hongbo Yang, Linjie Wang, Xiaonan Qiu, Kemin Yan, Fengying Gong, Huijuan Zhu, Hui Pan
BACKGROUND: Recombinant human growth hormone (rhGH) replacement therapy is usually stopped after linear growth completion in patients with growth hormone deficiency. In patients with multiple pituitary hormone deficiency (MPHD), the long-term effects of discontinuation of rhGH replacement are unknown. METHODS: In this study, the anthropometric and metabolic parameters of 24 male patients with adult growth hormone deficiency (AGHD) due to MPHD in childhood after cessation of rhGH therapy for a mean of 7...
April 24, 2018: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/29685754/using-modern-human-cortical-bone-distribution-to-test-the-systemic-robusticity-hypothesis
#14
Karen L Baab, Lynn E Copes, Devin L Ward, Nora Wells, Frederick E Grine
The systemic robusticity hypothesis links the thickness of cortical bone in both the cranium and limb bones. This hypothesis posits that thick cortical bone is in part a systemic response to circulating hormones, such as growth hormone and thyroid hormone, possibly related to physical activity or cold climates. Although this hypothesis has gained popular traction, only rarely has robusticity of the cranium and postcranial skeleton been considered jointly. We acquired computed tomographic scans from associated crania, femora and humeri from single individuals representing 11 populations in Africa and North America (n = 228)...
June 2018: Journal of Human Evolution
https://www.readbyqxmd.com/read/29678421/growth-hormone-receptor-deficient-pigs-resemble-the-pathophysiology-of-human-laron-syndrome-and-reveal-altered-activation-of-signaling-cascades-in-the-liver
#15
Arne Hinrichs, Barbara Kessler, Mayuko Kurome, Andreas Blutke, Elisabeth Kemter, Maren Bernau, Armin M Scholz, Birgit Rathkolb, Simone Renner, Sebastian Bultmann, Heinrich Leonhardt, Martin Hrabĕ de Angelis, Hiroshi Nagashima, Andreas Hoeflich, Werner F Blum, Martin Bidlingmaier, Rüdiger Wanke, Maik Dahlhoff, Eckhard Wolf
OBJECTIVE: Laron syndrome (LS) is a rare, autosomal recessive disorder in humans caused by loss-of-function mutations of the growth hormone receptor (GHR) gene. To establish a large animal model for LS, pigs with GHR knockout (KO) mutations were generated and characterized. METHODS: CRISPR/Cas9 technology was applied to mutate exon 3 of the GHR gene in porcine zygotes. Two heterozygous founder sows with a 1-bp or 7-bp insertion in GHR exon 3 were obtained, and their heterozygous F1 offspring were intercrossed to produce GHR-KO, heterozygous GHR mutant, and wild-type pigs...
March 15, 2018: Molecular Metabolism
https://www.readbyqxmd.com/read/29675264/blocking-negative-effects-of-senescence-in-human-skin-fibroblasts-with-a-plant-extract
#16
Ingo Lämmermann, Lucia Terlecki-Zaniewicz, Regina Weinmüllner, Markus Schosserer, Hanna Dellago, André Dargen de Matos Branco, Dominik Autheried, Benjamin Sevcnikar, Lisa Kleissl, Irina Berlin, Frédérique Morizot, Francois Lejeune, Nicola Fuzzati, Sandra Forestier, Alix Toribio, Anaïs Tromeur, Lionel Weinberg, Juan Carlos Higareda Almaraz, Marcel Scheideler, Marion Rietveld, Abdoel El Ghalbzouri, Erwin Tschachler, Florian Gruber, Johannes Grillari
There is increasing evidence that senescent cells are a driving force behind many age-related pathologies and that their selective elimination increases the life- and healthspan of mice. Senescent cells negatively affect their surrounding tissue by losing their cell specific functionality and by secreting a pro-tumorigenic and pro-inflammatory mixture of growth hormones, chemokines, cytokines and proteases, termed the senescence-associated secretory phenotype (SASP). Here we identified an extract from the plant Solidago virgaurea subsp...
2018: NPJ Aging and Mechanisms of Disease
https://www.readbyqxmd.com/read/29673111/comparison-of-epidemiological-features-clinicopathological-features-and-treatments-between-premenopausal-and-postmenopausal-female-breast-cancer-patients-in-western-china-a-retrospective-multicenter-study-of-15-389-female-patients
#17
REVIEW
Fan Feng, Yuxian Wei, Ke Zheng, Yujing Li, Lu Zhang, Tielin Wang, Yanli Zhang, Hongyuan Li, Guosheng Ren, Fan Li
Premenopausal and postmenopausal breast cancers are considered different types. Thus, this study aimed to explore differences in risk factors, epidemiological features, clinicopathological features, and treatment modes of premenopausal breast cancer compared to postmenopausal patients in western China. This was a hospital-based, retrospective, multicenter epidemiological study of patients with breast cancer. Using the Western China Clinical Cooperation Group database, we obtained the records of 15,389 female breast cancers between January 2010 and April 2017...
April 19, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29670736/expression-of-parathyroid-hormone-related-protein-pthrp-in-ameloblastomas
#18
Rafael Zeballos, Ronell Bologna-Molina, Vanesa Pereira-Prado, Mariana Villarroel-Dorrego
Background: Presence of parathyroid hormone related protein (PTHrP) might suggest that ameloblastomas recapitulate features of the enamel epithelium and induce bone resorption, which would facilitate their growth and local invasion. The aim of this study was to determine the expression of PTHrP in ameloblastomas. Material and Methods: An observational research study was designed including 39 cases of histologically diagnosed ameloblastomas (39 out of 42 patients gave consent for the use of their medical records and all data required for this study)...
February 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29670116/association-between-radiological-parameters-and-clinical-and-molecular-characteristics-in-human-somatotropinomas
#19
María R Alhambra-Expósito, Alejandro Ibáñez-Costa, Paloma Moreno-Moreno, Esther Rivero-Cortés, Mari C Vázquez-Borrego, Cristóbal Blanco-Acevedo, Álvaro Toledano-Delgado, María S Lombardo-Galera, Juan A Vallejo-Casas, Manuel D Gahete, Justo P Castaño, María A Gálvez, Raúl M Luque
Acromegaly is a rare but severe disease, originated in 95% of cases by a growth hormone-secreting adenoma (somatotropinoma) in the pituitary. Magnetic resonance imaging (MRI) is a non-invasive technique used for the diagnosis and prognosis of pituitary tumours. The aim of this study was to determine whether the use of T2-weighted signal intensity at MRI could help to improve the characterisation of somatotropinomas, by analysing its relationship with clinical/molecular features. An observational study was implemented in a cohort of 22 patients (mean age = 42...
April 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29667468/growth-hormone-receptor-gene-is-related-to-root-length-and-tooth-length-in-human-teeth
#20
Yu Hikita, Tetsutaro Yamaguchi, Daisuke Tomita, Mohamed Adel, Takatoshi Nakawaki, Koshu Katayama, Koutaro Maki, Ryosuke Kimura
OBJECTIVES: To examine the relationship between tooth length and growth hormone receptor (GHR) gene variants in a healthy Japanese population. MATERIALS AND METHODS: The subjects consisted of 193 Japanese adults (69 men, 124 women), aged 13 to 56 years. Genomic DNA was extracted from saliva and genotyped GHR rs6184 and rs6180 variants using the Taqman genotyping. Computed tomography (CT) images were acquired using a dental cone-beam CT scanner and reconstructed using open-source OsiriX medical image processing software...
April 18, 2018: Angle Orthodontist
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