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https://www.readbyqxmd.com/read/27923036/cotargeting-of-cyp-19-aromatase-and-emerging-pivotal-signalling-pathways-in-metastatic-breast-cancer
#1
REVIEW
Stine Daldorff, Randi Margit Ruud Mathiesen, Olav Erich Yri, Hilde Presterud Ødegård, Jürgen Geisler
Aromatase inhibition is one of the cornerstones of modern endocrine therapy of oestrogen receptor-positive (ER+) metastatic breast cancer (MBC). The nonsteroidal aromatase inhibitors anastrozole and letrozole, as well as the steroidal aromatase inactivator exemestane, are the preferred drugs and established worldwide in all clinical phases of the disease. However, although many patients suffering from MBC experience an initial stabilisation of their metastatic burden, drug resistance and disease progression occur frequently, following in general only a few months on treatment...
December 6, 2016: British Journal of Cancer
https://www.readbyqxmd.com/read/27922822/serum-protein-mediators-of-dementia-and-aging-proper
#2
Donald R Royall, Safa Al-Rubaye, Ram Bishnoi, Raymond F Palmer
The latent variable "δ" (for "dementia") appears to be uniquely responsible for the dementing aspects of cognitive impairment. Age, depressive symptoms, gender and the apolipoprotein E (APOE) ε4 allele are independently associated with δ. In this analysis, we explore serum proteins as potential mediators of age's specific association with δ in a large, ethnically diverse longitudinal cohort, the Texas Alzheimer's Research and Care Consortium (TARCC). 22 serum proteins were recognized as partial mediators of age's association with δ...
December 3, 2016: Aging
https://www.readbyqxmd.com/read/27919974/a-phase-ii-study-of-adjuvant-chemotherapy-of-tegafur-uracil-for-patients-with-breast-cancer-with-her2-negative-pathologic-residual-invasive-disease-after-neoadjuvant-chemotherapy
#3
Satoru Tanaka, Mitsuhiko Iwamoto, Kosei Kimura, Yuko Takahashi, Hiyoya Fujioka, Nayuko Sato, Risa Terasawa, Kanako Kawaguchi, Ayana Ikari, Tomo Tominaga, Saki Maezawa, Nodoka Umezaki, Junna Matsuda, Kazuhisa Uchiyama
BACKGROUND: There is no consensus on the need for adjuvant chemotherapy for patients with pathological residual invasive breast cancer (non-pCR) after neoadjuvant chemotherapy (NAC). We evaluated the tolerability and safety of tegafur-uracil (UFT) as adjuvant chemotherapy for patients with human epidermal growth factor receptor 2-negative breast cancer that resulted in non-pCR after NAC. PATIENTS AND METHODS: We treated patients with 270 mg/m(2) UFT per day for 2 years after definitive surgery and radiotherapy, if necessary...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27916515/oestrogen-and-anti-androgen-therapy-for-transgender-women
#4
REVIEW
Vin Tangpricha, Martin den Heijer
Transgender women experience lifelong gender dysphoria due to a gender assignment at birth that is incongruent with their gender identity. They often seek hormone therapy, with or without surgery, to improve their gender dysphoria and to better align their physical and psychological features with a more feminine gender role. Some of the desired physical changes from oestrogen and anti-androgen therapy include decreased body and facial hair, decreased muscle mass, breast growth, and redistribution of fat. Overall the risks of treatment are low, but include thromboembolism, the risk of which depends on the dose and route of oestrogen administration...
December 1, 2016: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/27916205/efficacy-and-safety-of-transdermal-testosterone-in-postmenopausal-women-with-hypoactive-sexual-desire-disorder-a-systematic-review-and-meta-analysis
#5
Chiara Achilli, Jyotsna Pundir, Parimalam Ramanathan, Luca Sabatini, Haitham Hamoda, Nick Panay
OBJECTIVE: To systematically review and summarize the existing evidence related to the efficacy and safety of transdermal T in postmenopausal women for the treatment of hypoactive sexual desire disorder (HSDD). DESIGN: Systematic reviews and meta-analysis. SETTING: Not applicable. PATIENT(S): Seven randomized controlled trials enrolled 3,035 participants; 1,350 women were randomized to treatment with T patch, and 1,379 women were randomized to placebo...
December 1, 2016: Fertility and Sterility
https://www.readbyqxmd.com/read/27911838/antagonists-of-growth-hormone-releasing-hormone-receptor-induce-apoptosis-specifically-in-retinoblastoma-cells
#6
Wai Kit Chu, Ka Sin Law, Sun On Chan, Jason Cheuk Sing Yam, Li Jia Chen, Hao Zhang, Herman S Cheung, Norman L Block, Andrew V Schally, Chi Pui Pang
Retinoblastoma (RB) is the most common intraocular cancer in children worldwide. Current treatments mainly involve combinations of chemotherapies, cryotherapies, and laser-based therapies. Severe or late-stage disease may require enucleation or lead to fatality. Recently, RB has been shown to arise from cone precursor cells, which have high MDM2 levels to suppress p53-mediated apoptosis. This finding leads to the hypothesis that restoring apoptosis mechanisms in RBs could specifically kill the cancer cells without affecting other retinal cells...
November 23, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27911611/the-influence-of-gh-treatment-on-glucose-homeostasis-in-girls-with-turner-syndrome-a-7-years-study
#7
Federico Baronio, Laura Mazzanti, Ylenia Girtler, Federica Tamburrino, Fiorenzo Lupi, Silvia Longhi, Antonio Fanolla, Giorgio Radetti
CONTEXT: Growth hormone (GH) influences glucose homeostasis mainly by negatively affecting insulin sensitivity. OBJECTIVE: to longitudinally study the insulin sensitivity (HOMA-S), insulin secretion (insulinogenic index - IGI) and capacity of beta cells to adapt to changes in insulin sensitivity (oral disposition index-ODI) in girls affected by Turner syndrome (TS) undergoing GH treatment. DESIGN: a longitudinal retrospective seven years study Setting: a tertiary pediatric endocrine unit and a University pediatric Clinic...
December 2, 2016: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27911591/type-b-insulin-resistance-masquerading-as-ovarian-hyperthecosis
#8
Rebecca J Brown, Jalaja Joseph, Elaine Cochran, Cornelia Gewert, Robert Semple, Phillip Gorden
CONTEXT: Hyperinsulinemia can lead to pathologic ovarian growth and androgen production. CASE DESCRIPTION: A 29 year old woman developed an autoantibody to the insulin receptor (Type B insulin resistance), causing extreme insulin resistance and hyperinsulinemia. Testosterone levels were elevated to the adult male range. Treatment with gonadotropin releasing hormone (GnRH) analog led to normalization of testosterone, despite persistent extreme insulin resistance...
December 2, 2016: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27909900/obesity-and-colorectal-cancer
#9
Carmen Jochem, Michael Leitzmann
There is strong evidence that modifiable lifestyle factors such as obesity play a key role in colorectal carcinogenesis. Epidemiologic data have consistently reported a positive association between obesity and colorectal cancer. The relative risk associated with general obesity (as assessed by BMI) is higher in men than in women and for cancer of the colon than for cancer of the rectum. Abdominal obesity (as assessed by waist circumference (WC) or waist-to-hip ratio) is associated with an increased risk of colorectal cancer in both sexes, with stronger associations for cancer of the colon than for cancer of the rectum...
2016: Recent Results in Cancer Research
https://www.readbyqxmd.com/read/27904677/an-engineered-fgf21-variant-ly2405319-can-prevent-non-alcoholic-steatohepatitis-by-enhancing-hepatic-mitochondrial-function
#10
Ju Hee Lee, Yea Eun Kang, Joon Young Chang, Ki Cheol Park, Hyeon-Woo Kim, Jung Tae Kim, Hyun Jin Kim, Hyon-Seung Yi, Minho Shong, Hyo Kyun Chung, Koon Soon Kim
Non-alcoholic fatty liver disease (NAFLD) is a prevalent obesity-related disease that affects large populations throughout the world due to excessive calorie intake and an increasingly sedentary lifestyle. Fibroblast growth factor 21 (FGF21) has recently emerged as a promising therapeutic candidate for the treatment of obesity and diabetes. FGF21 is a starvation-induced pleiotropic hormone with various beneficial metabolic effects, and pharmacological treatment in rodents has been shown to improve insulin sensitivity and decrease simple fatty liver disease...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27903154/type-2-diabetes-mellitus-and-cancer-the-role-of-pharmacotherapy
#11
Gadi Shlomai, Brian Neel, Derek LeRoith, Emily Jane Gallagher
Purpose Type 2 diabetes mellitus (T2DM) is becoming increasingly prevalent worldwide. Epidemiologic data suggest that T2DM is associated with an increased incidence and mortality from many cancers. The purpose of this review is to discuss the links between diabetes and cancer, the effects of various antidiabetic medications on cancer incidence and mortality, and the effects of anticancer therapies on diabetes. Design This study is a review of preclinical and clinical data regarding the effects of antidiabetic medications on cancer incidence and mortality and the effects of anticancer therapies on glucose homeostasis...
December 10, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/27903152/obesity-and-cancer-mechanisms-cancer-metabolism
#12
Benjamin D Hopkins, Marcus D Goncalves, Lewis C Cantley
Obesity is a risk factor for cancer development and is associated with poor prognosis in multiple tumor types. The positive energy balance linked with obesity induces a variety of systemic changes including altered levels of insulin, insulin-like growth factor-1, leptin, adiponectin, steroid hormones, and cytokines. Each of these factors alters the nutritional milieu and has the potential to create an environment that favors tumor initiation and progression. Although the complete ramifications of obesity as it relates to cancer are still unclear, there is convincing evidence that reducing the magnitude of the systemic hormonal and inflammatory changes has significant clinical benefits...
December 10, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/27902988/smell-and-taste-to-improve-nutrition-in-very-preterm-infants-a-randomized-controlled-pilot-trial
#13
Friederike Beker, Gillian Opie, Elizabeth Noble, Yannan Jiang, Frank H Bloomfield
BACKGROUND: The perception of smell and taste, though present early in development, is not routinely considered in the care of preterm infants. Smell and taste are known to increase gut motility, insulin secretion, and the release of appetite, digestive and metabolic hormones. OBJECTIVE: We aimed to investigate the effect of regular smell and taste on the time from birth to full enteral feeds, and the feasibility of the study protocol in very preterm infants. METHODS: In a randomized controlled trial, infants <29 weeks' postmenstrual age (PA) were assigned to receive either the smell and taste of milk before each feed or to have no exposure to the smell and taste of milk (control)...
December 1, 2016: Neonatology
https://www.readbyqxmd.com/read/27899720/luteal-function-during-the-estrous-cycle-in-arginine-treated-ewes-fed-different-planes-of-nutrition
#14
Casie S Bass, Dale A Redmer, Samantha L Kaminski, Anna T Grazul-Bilska
Corpus luteum (CL) functions are influenced by numerous factors including hormones, growth and angiogenic factors, nutritional plane, and dietary supplements such as arginine (Arg), a semi-essential amino acid and precursor for proteins, polyamines, and nitric oxide (NO). The aim of this study was to determine if Arg supplementation to ewes fed different planes of nutrition impacts 1) progesterone (P4) concentrations in serum and luteal tissue, 2) luteal vascularity, cell proliferation, endothelial NO synthase (eNOS), and receptor (R) soluble guanylate cyclase β protein and mRNA expression, and 3) luteal mRNA expression for selected angiogenic factors during the estrous cycle...
November 29, 2016: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/27899250/estrogen-and-thyroid-cancer-is-a-stem-affair-a-preliminary-study
#15
Mariangela Zane, Carmelo Parello, Gianmaria Pennelli, Danyelle M Townsend, Stefano Merigliano, Marco Boscaro, Antonio Toniato, Giovannella Baggio, Maria Rosa Pelizzo, Domenico Rubello, Isabella Merante Boschin
Gender influences Papillary Thyroid Cancer (PTC) with an incidence of 3:1 when comparing women to men with different aggressiveness. This gender discrepancy suggests some role of sex hormones in favoring the malignant progression of thyroid tissue to cancer. Estrogens are known to promote Stem Cell self-renewal and, therefore, may be involved in tumor initiation. The goals of these studies are to investigate the underlying causes of gender differences in PTC by studying the specific role of estrogens on tumor cells and their involvement within the Cancer Stem Cell (CSC) compartment...
November 26, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27899001/drug-interventions-for-the-treatment-of-obesity-in-children-and-adolescents
#16
REVIEW
Emma Mead, Greg Atkinson, Bernd Richter, Maria-Inti Metzendorf, Louise Baur, Nicholas Finer, Eva Corpeleijn, Claire O'Malley, Louisa J Ells
BACKGROUND: Child and adolescent obesity has increased globally, and can be associated with significant short- and long-term health consequences. OBJECTIVES: To assess the efficacy of drug interventions for the treatment of obesity in children and adolescents. SEARCH METHODS: We searched CENTRAL, MEDLINE, Embase, PubMed (subsets not available on Ovid), LILACS as well as the trial registers ICTRP (WHO) and ClinicalTrials.gov. Searches were undertaken from inception to March 2016...
November 29, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27898968/post-artificial-insemination-supplementation-with-calcium-salts-of-soybean-oil-influences-pregnancy-establishment-factors-in-beef-cows
#17
R S Cipriano, R F Cooke, A D Rodrigues, L G T Silva, D W Bohnert, R S Marques, J L M Vasconcelos, A V Pires, R L A Cerri
The objective of this experiment was to compare hormonal, uterine, and conceptus factors associated with pregnancy establishment in beef cows supplemented or not with Ca salts of soybean oil (CSSO) for 21 d beginning after timed AI. One hundred lactating multiparous Nelore cows were allocated to 20 groups of 5 cows/group and timed inseminated on d 0 of the experiment. After AI, groups were randomly assigned to receive (as-fed basis) 100 g of protein-mineral mix + 100 g of ground corn per cow per day, in addition to 1) 100 g/cow daily of CSSO ( = 10) or 2) 100 g/cow daily of kaolin (CON; rumen-inert indigestible substance; = 10)...
November 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27898886/effect-of-feed-restriction-and-initial-body-weight-on-growth-performance-body-composition-and-hormones-in-male-pigs-immunized-against-gonadotropin-releasing-factor
#18
K L Moore, B P Mullan, J C Kim, H G Payne, F R Dunshea
Pigs immunized against gonadotropin-releasing factor (GnRF) have increased carcass fatness compared to entire males; however, the timing of this increase in fatness after the second immunization against GnRF has not been determined. An experiment was conducted to identify and compare the growth performance, body composition, and physiological changes in immunocastrated males (IC males) at different BW and feeding levels. A total of 64 pigs were used in a 2 × 2 × 2 factorial experiment with the treatments being 1) sex (entire males or IC males), 2) initial BW (45...
September 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27898423/reflections-on-the-us-guidelines-on-growth-hormone-and-insulin-like-growth-factor-i-treatment-in-children-and-adolescents
#19
Michael B Ranke, Jan M Wit
No abstract text is available yet for this article.
November 30, 2016: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/27896908/bixalomer-in-hyperphosphatemic-patients-with-chronic-kidney-disease-not-on-dialysis-phase-3-randomized-trial
#20
Tadao Akizawa, Hideki Origasa, Chisato Kameoka, Junko Tsukada, Kentarou Kuroishi, Yusuke Yamaguchi
Currently, calcium- or metal-containing phosphate binders are available to treat hyperphosphatemia in predialysis patients with chronic kidney disease. Bixalomer, a non-calcium, metal-free phosphate binder, has not been studied in these patients. We evaluated the efficacy and safety of bixalomer versus placebo for treatment of hyperphosphatemia in Japanese predialysis patients with chronic kidney disease. This multicenter, randomized, double-blind, phase 3 trial, randomized eligible patients 1:1 to receive bixalomer or placebo for 12 weeks...
November 29, 2016: Therapeutic Apheresis and Dialysis
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