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https://www.readbyqxmd.com/read/28654627/effect-of-programmed-exercise-on-insulin-sensitivity-in-postmenopausal-women-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#1
Juan Bueno-Notivol, Julia Calvo-Latorre, Vanesa Alonso-Ventura, Vinay Pasupuleti, Adrian V Hernandez, Faustino R Pérez-López
OBJECTIVE: We performed a systematic review and meta-analysis of randomized controlled trials (RCTs) assessing the effect of programmed exercise for at least 12 weeks, in postmenopausal women on insulin sensitivity-related outcomes (ISROs), including fasting insulin, C-peptide, insulin growth factor (IGF-1) and IGF-binding protein (IGFBP-3), Homeostatic Model Assessment-Insulin Resistance (HOMA-IR), and anthropometric variables. METHODS: Searches were conducted in PubMed-Medline, Embase, Scopus, Web of Science, and Cochrane Library from inception through May 3, 2016, for studies published in all languages...
June 26, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28646365/post-diagnosis-serum-insulin-like-growth-factors-in-relation-to-dietary-and-lifestyle-changes-in-the-prostate-testing-for-cancer-and-treatment-protect-trial
#2
Vanessa Er, Kalina Biernacka, Andrew J Simpkin, Richard M Martin, Mona Jeffreys, Pauline Emmett, Rebecca Gilbert, Kerry N L Avery, Eleanor Walsh, Michael Davis, Jenny L Donovan, David E Neal, Freddie C Hamdy, Jeff M P Holly, J Athene Lane
PURPOSE: The insulin-like growth factor (IGF) system is modifiable by diet and lifestyle, and has been linked to prostate cancer development and progression. METHODS: We conducted a prospective cohort study of 621 men diagnosed with localized prostate cancer to investigate the associations of dietary and lifestyle changes with post-diagnosis circulating levels of IGF-I and IGFBP-3. We used analysis of covariance to estimate the associations, controlling for baseline IGF-I or IGFBP-3, respectively...
June 23, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28641780/associations-of-maternal-prenatal-smoking-with-umbilical-cord-blood-hormones-the-project-viva-cohort
#3
Abby F Fleisch, Sheryl L Rifas-Shiman, Lisa B Rokoff, Marie-France Hivert, Christos S Mantzoros, Emily Oken
BACKGROUND: Maternal smoking during pregnancy is associated with low fetal growth and adverse cardiometabolic health in offspring. However, hormonal pathways underlying these associations are unclear. Therefore, we examined maternal smoking habits and umbilical cord blood hormone profiles in a large, prospective cohort. METHODS: We studied 978 mother/infant pairs in Project Viva, a Boston-area cohort recruited 1999-2002. We categorized mothers as early pregnancy smokers, former smokers, or never smokers...
July 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28624391/efficacy-of-melatonin-il-25-and-siil-17b-in-tumorigenesis-associated-properties-of-breast-cancer-cell-lines
#4
Gabriela Bottaro Gelaleti, Thaiz Ferraz Borin, Larissa Bazela Maschio-Signorini, Marina Gobbe Moschetta, Bruna Victorasso Jardim-Perassi, Guilherme Berto Calvinho, Mariana Castilho Facchini, Alicia M Viloria-Petit, Debora Aparecida Pires de Campos Zuccari
Mammary tumorigenesis can be modulated by melatonin, which has oncostatic action mediated by multiple mechanisms, including the inhibition of the activity of transcription factors such as NF-κB and modulation of interleukins (ILs) expression. IL-25 is an active cytokine that induces apoptosis in tumor cells due to differential expression of its receptor (IL-17RB). IL-17B competes with IL-25 for binding to IL-17RB in tumor cells, promoting tumorigenesis. This study purpose is to address the possibility of engaging IL-25/IL-17RB signaling to enhance the effect of melatonin on breast cancer cells...
June 14, 2017: Life Sciences
https://www.readbyqxmd.com/read/28621669/human-monocyte-derived-dendritic-cells-exposed-to-hyperthermia-show-a-distinct-gene-expression-profile-and-selective-upregulation-of-igfbp6
#5
Arcangelo Liso, Stefano Castellani, Francesca Massenzio, Rosa Trotta, Alessandra Pucciarini, Barbara Bigerna, Pasquale De Luca, Pietro Zoppoli, Filippo Castiglione, Maria Concetta Palumbo, Fabrizio Stracci, Matteo Landriscina, Giorgina Specchia, Leon A Bach, Massimo Conese, Brunangelo Falini
Fever plays a role in activating innate immunity while its relevance in activating adaptive immunity is less clear. Even brief exposure to elevated temperatures significantly impacts on the immunostimulatory capacity of dendritic cells (DCs), but the consequences on immune response remain unclear. To address this issue, we analyzed the gene expression profiles of normal human monocyte-derived DCs from nine healthy adults subjected either to fever-like thermal conditions (39°C) or to normal temperature (37°C) for 180 minutes...
June 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28617951/altered-expression-of-igf-i-system-in-neurons-of-the-inflamed-spinal-cord-during-acute-experimental-autoimmune-encephalomyelitis
#6
Azita Parvaneh Tafreshi, Farideh Talebi, Samira Ghorbani, Claude Bernard, Farshid Noorbakhsh
BACKGROUND: There is growing evidence that the impaired IGF-I system contributes to neurodegeneration. OBJECTIVES: In this study, we examined the spinal cords of the EAE, the animal model of multiple sclerosis, to see if the expression of the IGF-I system is altered. METHODS: To induce EAE, C57/BL6 mice were immunized with the Hooke lab MOG kit, sacrificed at the peak of the disease and their spinal cords were examined for the immunoreactivities (ir) of the IGF-I, IGF binding protein-1 (IGFBP-1) and glycogen synthase kinase 3β (GSK3β), as one major downstream molecule in the IGF-I signaling...
June 15, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28611445/insulin-like-growth-factor-i-and-its-binding-protein-3-are-regulators-of-lactation-and-maternal-responsiveness
#7
András H Lékó, Melinda Cservenák, Éva Rebeka Szabó, János Hanics, Alán Alpár, Árpád Dobolyi
Adaptation to motherhood includes maternal behaviour and lactation during the postpartum period. The major organizing centres of maternal behaviour and lactation are located in the hypothalamic medial preoptic area (MPOA) and the arcuate nucleus, respectively. Insulin-like growth factor I (IGF-I) is an effector of the growth hormone axis; however, its function in the brain is largely unexplored. We identified increased maternal IGF binding protein-3 (IGFBP-3) expression in preoptic rat microarray data and confirmed it by RT-PCR...
June 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28609827/non-androgenic-anabolic-hormones-predict-risk-of-frailty-european-male-ageing-study-prospective-data
#8
Agniescka Swiecicka, Mark Lunt, Tomás Ahern, Terence W O'Neill, György Bartfai, Felipe F Casanueva, Gianni Forti, Aleksander Giwercman, Thang S Han, Michael E J Lean, Neil Pendleton, Margus Punab, Jolanta Slowikowska-Hilczer, Dirk Vanderschueren, Ilpo T Huhtaniemi, Frederick C W Wu, Martin K Rutter
Context: Low levels of non-androgenic anabolic hormones have been linked with frailty but evidence is conflicting and prospective data are largely lacking. Objective: To determine associations between non-androgenic anabolic hormones and prospective changes in frailty status. Design/setting: 4.3-year prospective observational study of community-dwelling men participating in the European Male Ageing Study. Participants: 3369 men aged 40-79 from 8 European centres...
May 9, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28609475/increase-in-insulin-like-growth-factor-1-igf-1-and-insulin-like-growth-factor-binding-protein-1-after-supplementation-with-selenium-and-coenzyme-q10-a-prospective-randomized-double-blind-placebo-controlled-trial-among-elderly-swedish-citizens
#9
Urban Alehagen, Peter Johansson, Jan Aaseth, Jan Alexander, Kerstin Brismar
BACKGROUND: Insulin-like growth factor-1(IGF-1) has a multitude of effects besides cell growth and metabolism. Reports also indicate anti-inflammatory and antioxidative effects. The concentrations of IGF-1 decrease with age and during inflammation. As selenium and coenzyme Q10 are involved in both the antioxidative defense and the inflammatory response, the present study aimed to examine the effects of supplementation with selenium and coenzyme Q10 on concentrations of IGF-1 and its binding protein IGFBP-1 in a population showing reduced cardiovascular mortality following such supplementation...
2017: PloS One
https://www.readbyqxmd.com/read/28609285/expression-of-genes-encoding-igfbps-snark-cd36-and-pecam1-in-the-liver-of-mice-treated-with-chromium-disilicide-and-titanium-nitride-nanoparticles
#10
Dmytro O Minchenko, D O Tsymbal, O P Yavorovsky, N V Solokha, O H Minchenko
OBJECTIVE: The aim of the present study was to examine the effect of chromium disilicide and titanium nitride nanoparticles on the expression level of genes encoding important regulatory factors (IGFBP1, IGFBP2, IGFBP3, IGFBP4, IGFBP5, SNARK/NUAK2, CD36, and PECAM1/CD31) in mouse liver for evaluation of possible toxic effects of these nanoparticles. METHODS: Male mice received 20 mg chromium disilicide nanoparticles (45 nm) and titanium nitride nanoparticles (20 nm) with food every working day for 2 months...
April 25, 2017: Endocrine Regulations
https://www.readbyqxmd.com/read/28596789/relationship-between-igf-i-concentration-and-metabolic-profile-in-children-with-growth-hormone-deficiency-the-influence-of-children-s-nutritional-state-as-well-as-the-ghrelin-leptin-adiponectin-and-resistin-serum-concentrations
#11
Renata Stawerska, Joanna Smyczyńska, Maciej Hilczer, Andrzej Lewiński
BACKGROUND: Some, however not all, children with growth hormone deficiency (GHD) reveal a tendency towards metabolic disorders. Insulin-like growth factor I (IGF-I) is the main mediator of GH anabolic effects. OBJECTIVE: The aim of the study was to compare ghrelin, adiponectin, leptin, resistin, lipid, glucose, and insulin concentrations in GHD children, depending on the IGF-I bioavailability. METHODS: The analysis comprised 26 children with GHD, aged 5...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/28595186/age-related-insulin-like-growth-factor-binding-protein-4-overexpression-inhibits-osteogenic-differentiation-of-rat-mesenchymal-stem-cells
#12
Jinhui Wu, Chao Wang, Xiong Miao, Yungang Wu, Jiabin Yuan, Muchen Ding, Jingfeng Li, Zhicai Shi
BACKGROUND/AIMS: Insulin-like growth factor binding proteins (IGFBP) play important roles in bone metabolism. IGFBP4 is involved in senescent-associated phenomena in mesenchymal stem cells (MSCs). The goal of the present study was to determine whether age-related IGFBP4 overexpression is associated with the impaired osteogenic differentiation potential of aged bone marrow derived MSCs. METHODS: MSCs were isolated from Sprague-Dawley rats aged 3-26 months. The bone morphogenetic protein (BMP)-2-induced osteogenic differentiation of rat MSCs was assessed by analyzing the expression levels of osteoblast marker genes [runt-related transcription factor 2 (RUNX2), alkaline phosphatase (ALP), and osteocalcin (OC)], ALP activity and calcification...
June 9, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28593921/hyperandrogenism-in-adolescent-girls-relationship-with-the-somatotrophic-axis
#13
María Isabel Hernandez, Patricia López, Ximena Gaete, Claudio Villarroel, Gabriel Cavada, Alejandra Avila, German Iñiguez, Fernando Cassorla
BACKGROUND: During puberty there is a physiologic increase in adrenal and ovarian androgens. It has been suggested that the somatotrophic axis may be related to the development of hyperandrogenism and anovulation in non-obese adult women with polycystic ovarian syndrome (PCOS). The objective of the study was to investigate whether ovarian androgen secretion in young postmenarchal girls is related to the function of their somatotropic axis. METHODS: This was a cross-sectional study of adolescent girls...
May 1, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28592512/higher-maternal-protein-intake-during-pregnancy-is-associated-with-lower-cord-blood-concentrations-of-insulin-like-growth-factor-igf-ii-igf-binding-protein-3-and-insulin-but-not-igf-i-in-a-cohort-of-women-with-high-protein-intake
#14
Karen M Switkowski, Paul F Jacques, Aviva Must, Marie-France Hivert, Abby Fleisch, Matthew W Gillman, Sheryl Rifas-Shiman, Emily Oken
Background: Prenatal exposure to dietary protein may program growth-regulating hormones, consequently influencing early-life growth patterns and later risk of associated chronic diseases. The insulin-like growth factor (IGF) axis is of particular interest in this context given its influence on pre- and postnatal growth and its sensitivity to the early nutritional environment.Objective: Our objective was to examine associations of maternal protein intake during pregnancy with cord blood concentrations of IGF-I, IGF-II, IGF binding protein-3 (IGFBP-3), and insulin...
June 7, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28588703/decreased-expression-of-insulin-like-growth-factor-binding-protein-6-is-associated-with-gastric-adenocarcinoma-prognosis
#15
Changqing Zeng, Xingyu Feng, Wei Wang, Lin Lv, Cheng Fang, Liangjie Chi, Liangxiang Huang, Zhiwei Zhou
The present study aimed to investigate the expression and prognostic significance of insulin-like growth factor binding protein 6 (IGFBP-6) in gastric adenocarcinoma. The expression of IGFBP-6 was examined in 263 specimens from gastric adenocarcinoma patients using reverse transcription-quantitative polymerase chain reaction (RT-qPCR), western blotting and immunohistochemical (IHC) staining. The association between IGFBP-6 expression, clinicopathological factors and clinical outcomes was investigated. Akaike information criterion (AIC) and Harrell's concordance index (c-index) were used to evaluate the accuracy of the predictive prognosis...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28551677/serum-levels-of-igf-1-and-igfbp-3-in-relation-to-clinical-and-pathobiological-aspects-of-head-and-neck-squamous-cell-carcinomas
#16
David Kalfert, Marie Ludvikova, Ondrej Topolcan, Petr Celakovsky, Radek Kucera, Jindra Windrichova, Jaroslav Ludvik, Katerina Skalova, Vlastimil Kulda, Martin Pesta, Jan Plzak
BACKGROUND/AIM: Head and neck squamous cell carcinoma (HNSCC) includes tumors of various anatomical sites sharing multifactorial etiopathogenesis and generally dismal response to conventional treatment. The objective of this study was to determine the clinical significance of serum levels of insulin-like growth factor-1 (IGF-1) and insulin-like growth factor-binding protein-3 (IGFBP-3) in HNSCC. PATIENTS AND METHODS: A total of 46 patients, with histologically-confirmed diagnosis of HNSCC (21 oropharyngeal, 21 laryngeal, and 4 hypopharyngeal cancers) were enrolled in this study...
June 2017: Anticancer Research
https://www.readbyqxmd.com/read/28545426/insulin-like-growth-factor-1-receptor-affects-the-survival-of-primary-prostate-cancer-patients-depending-on-tmprss2-erg-status
#17
Caterina Mancarella, Irene Casanova-Salas, Ana Calatrava, Maria García-Flores, Cecilia Garofalo, Andrea Grilli, José Rubio-Briones, Katia Scotlandi, José Antonio López-Guerrero
BACKGROUND: Prostate cancer (PCa) is characterized by clinical and biological heterogeneity and has differential outcomes and mortality rates. Therefore, it is necessary to identify molecular alterations to define new therapeutic strategies based on the risk of progression. In this study, the prognostic relevance of the insulin-like growth factor (IGF) system was examined in molecular subtypes defined by TMPRSS2-ERG (T2E) gene fusion within a series of patients with primary localized PCa...
May 25, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28544872/analysis-of-the-igf-system-in-milk-from-farm-animals-occurrence-regulation-and-biomarker-potential
#18
REVIEW
Zianka Meyer, Christine Höflich, Elisa Wirthgen, Sven Olm, Harald M Hammon, Andreas Hoeflich
IGFs and IGF-binding proteins (IGFBPs) are abundantly present in milk and in dairy products. Compared to the IGFs, the IGFBP have received less attention in milk, although truncated IGFBPs and IGFBP-glycosylation have been described in milk. Thereby, complex control of local IGF-effects can be assumed on the levels of IGFBPs, proteases, and protease inhibitors. The present review collects the current knowledge both on presence and regulation of IGFs and IGFBPs in milk particularly from dairy animal species...
May 12, 2017: Growth Hormone & IGF Research
https://www.readbyqxmd.com/read/28537976/interest-of-urinary-timp-2-%C3%A3-igfbp-7-for-predicting-the-occurrence-of-acute-kidney-injury-after-cardiac-surgery-a-gray-zone-approach
#19
Toufic Finge, Sebastien Bertran, Claire Roger, Damien Candela, Bruno Pereira, Christopher Scott, Laurent Muller, Benjamin Louart, Jean-Yves Lefrant
BACKGROUND: This study assessed the ability of 3-hour postoperative urinary tissue inhibitor of metalloproteinases-2 × insulin-like growth factor binding protein-7 ([TIMP-2] × [IGFBP-7]) to predict postoperative acute kidney injury (AKI) in patients undergoing cardiopulmonary bypass during cardiac surgery. METHODS: Patients undergoing cardiac surgery with cardiopulmonary bypass were eligible for this study. Patients with initial chronic renal insufficiency requiring renal replacement therapy, patients <18 years of age, and parturients were not included...
May 19, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28523891/neonatal-endocrinologic-problems-in-collodion-babies
#20
Ahmet Ozdemir, Sabriye Korkut, Selim Kurtoglu, Nihal Hatipoglu, Tamer Gunes, Mehmet Adnan Ozturk
OBJECTIVES: To identify endocrinologic problems, particularly those concerning growth, in collodion babies (CBs). METHODS: Clinically identified newborn CBs were included in the study group (group 1). Because CBs are generally born premature, small for gestational age (SGA), or both, a control group matched to the study group in terms of gestational age and birthweight (group 2) was also established. Blood specimens were collected from both groups for thyroid function tests and to measure serum growth hormone (GH), insulinlike growth factor 1 (IGF-1) and IGF binding protein-3 (IGFBP-3) levels...
May 2017: Pediatric Dermatology
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