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https://www.readbyqxmd.com/read/29141853/the-effects-of-resistance-exercise-on-biomarkers-of-breast-cancer-prognosis-a-pooled-analysis-of-three-randomized-trials
#1
Kerri Winters-Stone, Lisa J Wood, Sydnee Stoyles, Nathan Dieckmann
BACKGROUND: Using a secondary data analysis from randomized controlled trials comparing one year of resistance exercise (N=109) to a placebo control condition (N=106) in postmenopausal, post-treatment breast cancer survivors, we investigated the influence of resistance training and changes in body composition on markers associated with cancer progression. METHODS: Measures included serum levels of insulin, IGF-1, IGFBP1-3, leptin, serum amyloid A (SAA), adiponectin, C-reactive protein (CRP), IL-1β, TNF-α, IL-6, and IL-8 and body composition (total, lean and fat mass in kg) by DXA at baseline, 6, and 12-months...
November 15, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/29131315/txndc5-contributes-to-rheumatoid-arthritis-by-down-regulating-igfbp1-expression
#2
Jian Li, Bing Xu, Changsun Wu, Xinfeng Yan, Lei Zhang, Xiaotian Chang
The thioredoxin domain-containing 5 (TXNDC5) gene is associated with susceptibility to rheumatoid arthritis (RA) and exhibits increased expression in the synovial tissues. TXNDC5 is also strongly associated with diabetes, a metabolic disease characterized by interrupted insulin signaling. This study investigated whether TXNDC5 contributes to RA via the insulin signaling pathway. In the study, RA synovial fibroblast-like cells (RASFs) transfected with an anti-TXNDC5 small interfering RNA (siRNA) were analyzed with an Insulin Signaling Pathway RT(2) Profiler PCR Array and an Insulin Resistance RT(2) Profiler PCR Array...
November 13, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/29108879/remyelination-modulators-in-multiple-sclerosis-patients
#3
Rabeah Al-Temaimi, Jehad AbuBaker, Irina Al-Khairi, Raed Alroughani
Multiple Sclerosis (MS) is a complex autoimmune neuro-inflammatory disorder characterized by persistent MS plaques in the central nervous system. Resolution of MS plaques is dependent on the remyelination competence of surviving oligodendrocytes and surrounding environment. Here, we assessed myelination modulators in a 100 MS patients against 77 healthy controls. Plasma fractions were used for the assessment of insulin growth factor binding protein1 (IGFBP1), brain-derived neurotrophic factor (BDNF), and lipocalin2 (LCN2) using a Luminex multiplex assay, whereas neurofilament light chain (NF-L) was assessed with an enzyme-linked immunosorbent assay...
November 8, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/29100429/association-study-of-igfbp1-and-igfbp3-polymorphisms-with-hypertension-and-cardio-cerebral-vascular-diseases-in-a-chinese-han-population
#4
Zhengmei Fang, Song Yang, Lijun Zhu, Ying Li, Yanchun Chen, Yuelong Jin, Xianghai Zhao, Hailong Zhao, Xiaotian Chen, Yanping Zhao, Chong Shen, Yingshui Yao
Previous studies have showed that insulin-like growth factor (IGF) axis is involved in the development of hypertension. It is unclear whether genetic variants in the IGF-binding proteins (IGFBPs) contribute to the susceptibility to hypertension. Three single-nucleotide polymorphisms (SNPs) in IGFBP1 and four SNPs in IGFBP3 were selected for genotyping in 2,012 hypertension cases and 2,210 healthy controls and 4,128 subjects were followed up for a median of 5.01 years. Multiple logistic regression and Cox regression were performed to evaluate the association of these seven SNPs with hypertension and cardio-cerebral vascular disease (CCVD)...
September 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/29096715/differentiation-of-human-umbilical-cord-wharton-s-jelly-derived-mesenchymal-stem-cells-into-endometrial-cells
#5
Qin Shi, JingWei Gao, Yao Jiang, Baolan Sun, Wei Lu, Min Su, Yunzhao Xu, Xiaoqing Yang, Yuquan Zhang
BACKGROUND: Wharton's jelly-derived mesenchymal stem cells (WJ-MSCs) are a novel and promising strategy for tissue engineering because of their ability to differentiate into many cell types. We characterized the differentiation of WJ-MSCs into endometrial epithelial cell (EEC)-like and endometrial stromal cell (ESC)-like cells and assessed the effect of 17β-estradiol and 8-Br-cAMP on the differentiation system. METHODS: WJ-MSCs were treated in two ways to differentiate into EEC-like and ESC-like cells respectively: cocultured with ESCs in control/differentiation medium (17β-estradiol, growth factors); and cultured in control/differentiation medium (8-Br-cAMP alone or 8-Br-cAMP plus 17β-estrogen and growth factors)...
November 2, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29073599/combination-of-solamargine-and-metformin-strengthens-igfbp1-gene-expression-through-inactivation-of-stat3-and-reciprocal-interaction-between-foxo3a-and-sp1
#6
Qing Tang, Fang Zheng, JingJing Wu, Qian Xiao, Liuning Li, Swei Sunny Hann
BACKGROUND/AIMS: Solamargine, one natural photochemical component from traditional plants, has been shown to have anti-cancers properties. We previously showed that solamargine inhibited the growth of non-small-cell lung cancer (NSCLC) cells through suppression of prostaglandin E2 (PGE2) receptor EP4 gene and regulation of downstream signaling pathways. However, the detailed mechanism underlying this, especially in combination of metformin, a known AMPK activator, still remained to be determined...
October 27, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29044573/higher-igfb3-is-associated-with-increased-incidence-of-colorectal-cancer-in-older-men-independently-of-igf1
#7
Yi X Chan, Helman Alfonso, Stephen Anthony Paul Chubb, Ken K Y Ho, Peter Gerard Fegan, Graeme J Hankey, Jonathan Golledge, Leon Flicker, Bu B Yeap
OBJECTIVE: Insulin-like growth factor 1 (IGF1) has anabolic and growth-promoting effects, raising concerns regarding its potential to promote tumour growth. Circulating IGF1 is bound to binding proteins, which modulate bioavailability of IGF1. This study assessed the associations of IGF1 and its binding proteins 1 (IGFBP1) and 3 (IGFBP3) with cancer risk. DESIGN: A prospective cohort study of 4042 men aged ≥70 years. METHODS: Plasma total IGF1, IGFBP1 and IGFBP3 were measured between 2001 and 2004...
October 16, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/29025069/wnk-lysine-deficient-protein-kinase-1-regulates-human-endometrial-stromal-cell-decidualization-proliferation-and-migration-in-part-through-mitogen-activated-protein-kinase-7
#8
Nyssa R Adams, Yasmin M Vasquez, Qianxing Mo, William Gibbons, Ertug Kovanci, Francesco J DeMayo
The differentiation of endometrial stromal cells into decidual cells, termed decidualization, is an integral step in the establishment of pregnancy. The mitogen-activated protein kinase homolog, WNK lysine deficient protein kinase 1 (WNK1), is activated downstream of epidermal growth factor receptor during decidualization. Primary human endometrial stromal cells (HESCs) were subjected to small interfering RNA knockdown of WNK1 followed by in vitro decidualization. This abrogated expression of the decidual marker genes, insulin like growth factor binding protein 1 (IGFBP1) and prolactin (PRL), and prevented adoption of decidual cell morphology...
September 1, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28956162/development-of-an-in-vitro-model-to-study-uterine-functions-and-early-implantation-using-rat-uterine-explants
#9
Md Rashedul Islam, Yuko Ikeguchi, Kazuki Yamagami, Mohamed El-Sharawy, Nobuhiko Yamauchi
This study was conducted to develop an in vitro model using rat uterine explants to explore complex uterine functions. Rat uterine explants (1-2 mm) were isolated, cultured and further characterized. Steroid hormone treatment of cultured explants showed that both Muc1 and Pr were significantly up-regulated (P < 0.05) by E2. Areg was significantly up-regulated (P < 0.05) by P4 and Igfbp1 was significantly up-regulated (P < 0.05) by the combination of E2 and P4, although, in rat, Igfbp1 is E2-dependent...
September 27, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28927302/igfbp-1-and-igf-i-as-markers-for-advanced-fibrosis-in-nafld-a-pilot-study
#10
Hannes Hagström, Per Stål, Rolf Hultcrantz, Kerstin Brismar, Ishrath Ansurudeen
BACKGROUND AND AIMS: Non-alcoholic fatty liver disease (NAFLD) is the most common liver disease globally. Advanced fibrosis (stage 3-4) is the most robust marker for future mortality, but diagnosis requires liver biopsy. Current non-invasive scoring systems aimed to identify advanced fibrosis are imperfect. Insulin-like growth factor I (IGF-I) and its binding protein IGFBP-1 are liver derived proteins, that are involved in various liver disorders. The aim of this study was to examine the possible association between advanced fibrosis and IGF-I and IGFBP-1 in NAFLD...
September 19, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28923940/defective-decidualization-during-and-after-severe-preeclampsia-reveals-a-possible-maternal-contribution-to-the-etiology
#11
Tamara Garrido-Gomez, Francisco Dominguez, Alicia Quiñonero, Patricia Diaz-Gimeno, Mirhan Kapidzic, Matthew Gormley, Katherine Ona, Pablo Padilla-Iserte, Michael McMaster, Olga Genbacev, Alfredo Perales, Susan J Fisher, Carlos Simón
In preeclampsia (PE), cytotrophoblast (CTB) invasion of the uterus and spiral arteries is often shallow. Thus, the placenta's role has been a focus. In this study, we tested the hypothesis that decidual defects are an important determinant of the placental phenotype. We isolated human endometrial stromal cells from nonpregnant donors with a previous pregnancy that was complicated by severe PE (sPE). Compared with control cells, they failed to decidualize in vitro as demonstrated by morphological criteria and the analysis of stage-specific antigens (i...
October 3, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28882129/igf1r-activation-and-the-in-vitro-antiproliferative-efficacy-of-igf1r-inhibitor-are-inversely-correlated-with-igfbp5-expression-in-bladder-cancer
#12
Yann Neuzillet, Elodie Chapeaublanc, Clémentine Krucker, Leanne De Koning, Thierry Lebret, François Radvanyi, Isabelle Bernard-Pierrot
BACKGROUND: The insulin growth factor (IGF) pathway has been proposed as a potential therapeutic target in bladder cancer. We characterized the expression of components of the IGF pathway - insulin growth factor receptors (INSR, IGF1R, IGF2R), ligands (INS, IGF1, IGF2), and binding proteins (IGFBP1-7, IGF2BP1-3) - in bladder cancer and its correlation with IGF1R activation, and the anti-proliferative efficacy of an IGF1R kinase inhibitor in this setting. METHODS: We analyzed transcriptomic data from two independent bladder cancer datasets, corresponding to 200 tumoral and five normal urothelium samples...
September 7, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28864349/insulin-like-growth-factor-binding-protein-1-igfbp-1-upregulated-by-helicobacter-pylori-and-is-associated-with-gastric-cancer-cells-migration
#13
Caifeng Luo, Fengying Sun, Hong Zhu, Ying Ni, Jian Fang, Yun Liu, Shihe Shao, Hongxing Shen, Jianpeng Hu
Insulin-like growth factor binding protein-1 (IGFBP-1), a secreted protein, implicated of various cells in mediating the proliferation, migration, invasion, adhesion, survival and so on. In this study, we assessed the expression and release of IGFBP-1 from gastric cancer cells with H. pylori 26695 infection and the biological functions of IGFBP-1 in gastric cancer cells. The results showed that the expression and release of IGFBP-1 were increased in gastric cancer cells (MGC-803, BGC-823, SGC-7901) infected with H...
August 25, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28864012/maternal-obesity-and-gestational-weight-gain-are-modestly-associated-with-umbilical-cord-dna-methylation
#14
Keshari M Thakali, Jennifer B Faske, Arjun Ishwar, Maria P Alfaro, Mario A Cleves, Thomas M Badger, Aline Andres, Kartik Shankar
INTRODUCTION: Maternal obesity (OB) and excessive gestational weight gain (GWG) are strong independent contributors that augment obesity risk in offspring. However, direct evidence of epigenetic changes associated with maternal habitus remains sparse. METHODS: We utilized Bisulfite Amplicon Sequencing (BSAS) to conduct targeted DNA methylation association analysis of maternal obesity and excessive GWG with DNA methylation of select metabolism-related and imprinted genes...
September 2017: Placenta
https://www.readbyqxmd.com/read/28797697/changes-in-inflammatory-endometrial-cancer-risk-biomarkers-in-individuals-undergoing-surgical-weight-loss
#15
Faina Linkov, Sharon L Goughnour, Tianzhou Ma, Zhongying Xu, Robert P Edwards, Anna E Lokshin, Ramesh C Ramanathan, Giselle G Hamad, Carol McCloskey, Dana H Bovbjerg
OBJECTIVE: Obesity has been strongly linked to endometrial cancer (EC) risk. A number of potential EC risk biomarkers have been proposed, including heightened pro-inflammatory cytokines and adipokines. To evaluate if bariatric surgery can serve as a means for altering levels of such EC risk biomarkers, we investigated changes in these biomarkers after weight loss. METHODS: Blood samples were collected pre-operatively and 6months post-operatively in 107 female bariatric surgery patients aged 18-72years...
October 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28735644/fasting-as-possible-complementary-approach-for-polycystic-ovary-syndrome-hope-or-hype
#16
Benito Chiofalo, Antonio Simone Laganà, Vittorio Palmara, Roberta Granese, Giacomo Corrado, Emanuela Mancini, Salvatore Giovanni Vitale, Helena Ban Frangež, Eda Vrtačnik-Bokal, Onofrio Triolo
Polycystic ovary syndrome (PCOS) is a common endocrine system disorder among women of reproductive age. In several cases, PCOS women show infertility or subfertility and other metabolic alteration, such as insulin resistance (InsR), dyslipidaemia, hyperinsulinemia and obesity. Despite the aetiology of the syndrome is still far from be elucidated, it could be considered the result of concurrent endocrine modifications, lifestyle factors and genetic background. In particular, accumulating evidence suggests that InsR and compensatory hyperinsulinemia play a pivotal pathogenic role in the hyperandrogenism of many PCOS phenotypes, which in turn have a clear detrimental effect on chronic anovulation...
August 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28710882/mid-trimester-preterm-premature-rupture-of-membranes-pprom-etiology-diagnosis-classification-international-recommendations-of-treatment-options-and-outcome
#17
REVIEW
Michael Tchirikov, Natalia Schlabritz-Loutsevitch, James Maher, Jörg Buchmann, Yuri Naberezhnev, Andreas S Winarno, Gregor Seliger
Mid-trimester preterm premature rupture of membranes (PPROM), defined as rupture of fetal membranes prior to 28 weeks of gestation, complicates approximately 0.4%-0.7% of all pregnancies. This condition is associated with a very high neonatal mortality rate as well as an increased risk of long- and short-term severe neonatal morbidity. The causes of the mid-trimester PPROM are multifactorial. Altered membrane morphology including marked swelling and disruption of the collagen network which is seen with PPROM can be triggered by bacterial products or/and pro-inflammatory cytokines...
July 15, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28689770/vip-induces-the-decidualization-program-and-conditions-the-immunoregulation-of-the-implantation-process
#18
Esteban Grasso, Soledad Gori, Daniel Paparini, Elizabeth Soczewski, Laura Fernández, Lucila Gallino, Gabriela Salamone, Gustavo Martinez, Marcela Irigoyen, Claudio Ruhlmann, Claudia Pérez Leirós, Rosanna Ramhorst
The decidualization process involves phenotype and functional changes on endometrial cells and the modulation of mediators with immunoregulatory properties as the vasoactive intestinal peptide (VIP). We investigate VIP contribution to the decidualization program and to immunoregulation throughout the human embryo implantation process. The decidualization of Human endometrial stromal cell line (HESC) with Medroxyprogesterone-dibutyryl-cAMP increased VIP/VPAC-receptors system. In fact, VIP could induce decidualization increasing differentiation markers (IGFBP1, PRL, KLF13/KLF9 ratio, CXCL12, CXCL8 and CCL2) and allowing Blastocyst-like spheroids (BLS) invasion in an in vitro model of embryo implantation...
July 6, 2017: Molecular and Cellular Endocrinology
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
#19
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/28505164/human-decellularized-bone-scaffolds-from-aged-donors-show-improved-osteoinductive-capacity-compared-to-young-donor-bone
#20
Christopher A Smith, Tim N Board, Paul Rooney, Mark J Eagle, Stephen M Richardson, Judith A Hoyland
To improve the safe use of allograft bone, decellularization techniques may be utilized to produce acellular scaffolds. Such scaffolds should retain their innate biological and biomechanical capacity and support mesenchymal stem cell (MSC) osteogenic differentiation. However, as allograft bone is derived from a wide age-range, this study aimed to determine whether donor age impacts on the ability an osteoinductive, acellular scaffold produced from human bone to promote the osteogenic differentiation of bone marrow MSCs (BM-MSC)...
2017: PloS One
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