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https://www.readbyqxmd.com/read/27918822/growth-differentiation-factor-15-induced-contractile-activity-and-extracellular-matrix-production-in-human-trabecular-meshwork-cells
#1
Arumugam Ramachandran Muralidharan, Rupalatha Maddala, Nikolai P Skiba, Ponugoti Vasantha Rao
Purpose: To determine the role and regulation of growth differentiation factor-15 (GDF-15), a TGF-β-related cytokine in human trabecular meshwork (TM) cells in the context of aqueous humor (AH) outflow and IOP. Methods: Regulation of expression by external cues, and the distribution and secretion of GDF-15 by human TM primary cell cultures, and the effects of recombinant (r) GDF-15 on TM cell contractile characteristics, actin cytoskeleton, cell adhesion, extracellular matrix (ECM), α-smooth muscle actin (αSMA), SMAD signaling, and gene expression were determined by immunoblot, immunofluorescence, mass spectrometry, cDNA microarray, and real-time quantitative PCR (RT-qPCR) analyses...
December 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27895795/growth-differentiating-factor-15-gdf-15-a-potential-biomarker-and-therapeutic-target-for-cancer-associated-weight-loss
#2
Lorena Lerner, Jeno Gyuris, Richard Nicoletti, James Gifford, Brian Krieger, Aminah Jatoi
Growth differentiating factor-15 (GDF-15), also known as macrophage inhibiting factor-1, is a member of the transforming growth factor-β superfamily, which has been implicated in cancer-associated weight loss. The present study investigated the association between cancer-associated weight loss and plasma GDF-15 concentration, as well as other biomarkers, in patients with metastatic lung or exocrine pancreatic cancer. A total of 218 patients were enrolled over a 1-year period. The patient cohort included 152 patients with incurable lung cancer and 66 patients with incurable pancreatic cancer...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27855376/growth-differentiation-factor-9-promotes-fibroblast-proliferation-and-migration-in-keloids-through-the-smad2-3-pathway
#3
Zhaohua Jiang, Qingxiong Yu, Lingling Xia, Yi Zhang, Xiuxia Wang, Xiaoli Wu, Zhen Gao
BACKGROUND: Keloids are fibroproliferative scars that develop as a result of a dysregulated wound healing process; however, the molecular mechanisms of keloid pathogenesis remain unclear. Keloids are characterized by the ability to spread beyond the original boundary of the wound, and they represent a significant clinical challenge. Previous work from our group suggested that growth differentiation factor (GDF)-9 plays a role in the invasive behavior of keloids. Here, we examined the involvement of GDF-9 in keloid formation and spread and elucidated a potential underlying mechanism...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27852365/-the-study-of-growth-differentiation-factor-15-in-chronic-thromboembolic-pulmonary-hypertension-following-acute-pulmonary-thromboembolism
#4
J X Xu, H Z Yu, Q Wu, J Mi
Objective: To evaluate the incidence of chronic thromboembolic pulmonary hypertension (CTEPH) secondary to acute pulmonary thromboembolism (PTE) and the serum level of growth differentiation factor-15(GDF-15). Methods: Ninety-six acute PTE patients were recruited in the study. Clinical data, Wells score, blood gas analysis, D-dimmer level, GDF-15 level, atrial and ventricular sizes, pulmonary arterial systolic pressure (PASP) and pulmonary artery CT (CTPA) data were collected. Patients were followed up to evaluate the cardiac function (WHO class), ultrasonic cardiogram and CTPA to confirm the incidence of CTEPH...
November 12, 2016: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/27832613/prognostic-value-of-n-terminal-pro-b-type-natriuretic-peptide-troponin-t-and-growth-differentiation-factor-15-in-adult-congenital-heart-disease
#5
Vivan J Baggen, Annemien van den Bosch, Jannet A Eindhoven, Anne-Rose Schut, Judith A A E Cuypers, Maarten Witsenburg, Monique de Waart, Ron H van Schaik, Felix Zijlstra, Eric Boersma, Jolien W Roos-Hesselink
BACKGROUND: -The number of patients with adult congenital heart disease (ACHD) is rapidly increasing. In order to optimize patient management, there is a great need to accurately identify high-risk patients. Still, no biomarker has been firmly established as a clinically useful prognostic tool in this group. We studied the association of N-terminal pro-B-type natriuretic peptide (NT-proBNP), high-sensitive troponin-T (hs-TnT) and growth-differentiation factor 15 (GDF-15) with cardiovascular events in ACHD...
November 3, 2016: Circulation
https://www.readbyqxmd.com/read/27817223/discovery-of-biomarkers-for-endometrial-cancer-current-status-and-prospects
#6
Tea Lanišnik Rižner
Endometrial cancer is the most frequent gynecological malignancy in the developed world. Currently, endometrial histology is the gold standard for diagnosis, as there are no valid noninvasive diagnostic methods available. Biomarkers for endometrial cancer would be invaluable for screening of high-risk women, detection of primary and recurrent disease, and preoperative stratification of patients as high-risk and low-risk categories, enabling personalized therapeutic approaches. Areas covered: This report reviews publications of blood biomarkers evaluated in patients with endometrial cancer and/or control patients, over the last five years...
December 2016: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/27811204/growth-differentiation-factor-15-predicts-all-cause-morbidity-and-mortality-in-stable-coronary-heart-disease
#7
Emil Hagström, Claes Held, Ralph A H Stewart, Philip E Aylward, Andrzej Budaj, Christopher P Cannon, Wolfgang Koenig, Sue Krug-Gourley, Emile R Mohler, Philippe Gabriel Steg, Elizabeth Tarka, Ollie Östlund, Harvey D White, Agneta Siegbahn, Lars Wallentin
BACKGROUND: Higher growth differentiation factor 15 (GDF-15) concentrations are associated with cardiovascular (CV) and non-CV morbidity and mortality. However, information on associations between GDF-15 and the risk of specific CV and non-CV events in stable coronary heart disease (CHD) patients is limited. METHODS: In 14ü577 patients with stable CHD participating in the Stabilization of Atherosclerotic Plaque by Initiation of Darapladib Therapy Trial (STABILITY), GDF-15 and other prognostic biomarkers (N-terminal pro-B-type natriuretic peptide, high-sensitivity troponin T, cystatin C, and high-sensitivity C-reactive protein) were measured...
November 3, 2016: Clinical Chemistry
https://www.readbyqxmd.com/read/27806095/microbial-community-evolution-is-significantly-impacted-by-the-use-of-calcium-isosaccharinic-acid-as-an-analogue-for-the-products-of-alkaline-cellulose-degradation
#8
Isaac A Kyeremeh, Christopher J Charles, Simon P Rout, Andrew P Laws, Paul N Humphreys
Diasteriomeric isosaccharinic acid (ISA) is an important consideration within safety assessments for the disposal of the United Kingdoms' nuclear waste legacy, where it may potentially influence radionuclide migration. Since the intrusion of micro-organisms may occur within a disposal concept, the impact of ISA may be impacted by microbial metabolism. Within the present study we have established two polymicrobial consortia derived from a hyperalkaline soil. Here, α-ISA and a diatereomeric mix of ISAs' were used as a sole carbon source, reflecting two common substrates appearing within the literature...
2016: PloS One
https://www.readbyqxmd.com/read/27766733/variability-of-biomarkers-in-patients-with-chronic-heart-failure-and-healthy-controls
#9
Wouter C Meijers, A Rogier van der Velde, Anneke C Muller Kobold, Janneke Dijck-Brouwer, Alan H Wu, Allan Jaffe, Rudolf A de Boer
AIMS: Biomarkers can be used for diagnosis, risk stratification, or management of patients with heart failure (HF). Knowledge about the biological variation is needed for proper interpretation of serial measurements. Therefore, we aimed to determine and compare the biological variation of a large panel of biomarkers in healthy subjects and in patients with chronic HF. METHODS AND RESULTS: The biological variability of established biomarkers [NT-proBNP and high-sensitivity troponin T (hsTnT)], novel biomarkers [galectin-3, suppression of tumorigenicity 2 (ST2), and growth differentiation factor 15 (GDF-15)], and renal/neurohormonal biomarkers (aldosterone, phosphate, parathyroid hormone, plasma renin concentration, and creatinine) was determined in 28 healthy subjects and 83 HF patients, over a period of 4 months and 6 weeks, respectively...
October 21, 2016: European Journal of Heart Failure
https://www.readbyqxmd.com/read/27756762/gdf-15-is-associated-with-cancer-incidence-in-patients-with-type-2-diabetes
#10
Noemi Pavo, Raphael Wurm, Stephanie Neuhold, Christopher Adlbrecht, Greisa Vila, Guido Strunk, Martin Clodi, Michael Resl, Helmut Brath, Rudolf Prager, Anton Luger, Richard Pacher, Martin Hülsmann
BACKGROUND: Diabetes has been linked epidemiologically to increased cancer incidence and mortality. Growth differentiation factor 15 (GDF-15) is increased in patients with diabetes and has recently been linked to the occurrence of cancer. We investigated whether circulating GDF-15 concentrations can predict the incidence of malignant diseases in a diabetic patient cohort already facing increased risk for cancer. METHODS: We prospectively enrolled a total of 919 patients with type 2 diabetes and no history of malignant disease, who were clinically followed up for 60 months...
December 2016: Clinical Chemistry
https://www.readbyqxmd.com/read/27747854/biomarkers-of-apoptosis-inflammation-and-cardiac-extracellular-matrix-remodeling-in-the-prognosis-of-heart-failure
#11
Pavel Osmancik, Anna Louckova
BACKGROUND: Heart failure (HF) belongs to the leading causes of morbidity and mortality. AIM: The aim of the review is to evaluate available literature on biomarkers of apoptosis, extracellular matrix remodelling, and recently established markers of inflammation in patients with HF. METHODS: Using the search words "Fas, "TRAIL", "apoptosis", "heart failure", "galectin-2, "ST-2", "metaloproteinase", "TGF- β1", "prognosis", "coronary artery diseases", and "dilated cardiomyopathy", a search was carried out...
October 17, 2016: Kardiologia Polska
https://www.readbyqxmd.com/read/27746868/the-effects-of-unilateral-varicose-ovarian-vein-on-antioxidant-capacity-and-oocyte-quality-in-rat-ovary
#12
Babatunde Adebayo Kehinde, Farid Abolhassani, Hossein Yazdekhasti, Niloufar Abbasi, Leyla Heydari, Erfan Daneshi, Zahra Rajabi, Alaa Hamada, Ashok Agarwal, Mehdi Abbasi
OBJECTIVES: Several researchers have reported the relationship between infertility in male and varicocele for so many years but the implication of varicocele in female patients is remains elusive. Here, we aim to examine the effects of unilateral varicose ovarian vein on antioxidant capacity and oocyte quality of rat ovary after the experimental creation of varicocele in female rats. MATERIALS AND METHODS: In this study, thirty adult female albino rats were divided into three equal groups: Group 1 as the control group has 10 rats, Group 2 as the sham group has 10 rats and they underwent a sham operation and finally Group 3 has the varicocele group has 10 rats...
August 2016: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/27734214/association-between-gdf-15-levels-and-changes-in-vascular-and-physical-function-in-older-patients-with-hypertension
#13
Maryam Barma, Faisel Khan, Rosemary J G Price, Peter T Donnan, C Martina Messow, Ian Ford, Alex McConnachie, Allan D Struthers, Marion E T McMurdo, Miles D Witham
BACKGROUND: Growth differentiation factor-15 (GDF-15) may be a biomarker of disease, protective response and/or prognosis, in older people with hypertension. AIMS: To correlate baseline GDF-15 levels with physical and vascular health data in this population. METHODS: Baseline blood samples were analysed using a GDF-15 ELISA assay kit. Correlations with baseline and 12-month outcome data, including measures of physical and vascular function, were performed...
October 12, 2016: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/27728964/growth-differentiation-factor-15-predicts-chronic-liver-disease-severity
#14
Eaum Seok Lee, Seok Hyun Kim, Hyun Jin Kim, Kyung Hee Kim, Byung Seok Lee, Bon Jeong Ku
Background/Aims: Growth differentiation factor 15 (GDF-15) belongs to the transforming growth factor-β superfamily. GDF-15 is emerging as a biomarker for several diseases. The aim of this study was to determine the clinical performances of GDF-15 for the prediction of liver fibrosis and severity in chronic liver disease. Methods: The serum GDF-15 levels were examined via enzyme immunoassay in 145 patients with chronic liver disease and 101 healthy individuals. The patients with chronic liver disease consisted of 54 patients with chronic hepatitis, 44 patients with compensated liver cirrhosis, and 47 patients with decompensated liver cirrhosis...
October 13, 2016: Gut and Liver
https://www.readbyqxmd.com/read/27717384/preoperative-plasma-growth-differentiation-factor-15-for-prediction-of-acute-kidney-injury-in-patients-undergoing-cardiac-surgery
#15
Matthias Heringlake, Efstratios I Charitos, Kira Erber, Astrid Ellen Berggreen, Hermann Heinze, Hauke Paarmann
BACKGROUND: Growth-differentiation factor-15 (GDF-15) is an emerging humoral marker for risk stratification in cardiovascular disease. Cardiac-surgery-associated acute kidney injury (CSA-AKI), an important complication in patients undergoing cardiac surgery, is associated with poor prognosis. The present secondary analysis of an observational cohort study aimed to determine the role of GDF-15 in predicting CSA-AKI compared with the Cleveland-Clinic Acute Renal Failure (CC-ARF) score and a logistic regression model including variables associated with renal dysfunction...
October 8, 2016: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/27705749/high-gdf-15-serum-levels-independently-correlate-with-poorer-overall-survival-of-tumor-free-stage-iii-and-unresectable-stage-iv-melanoma-patients
#16
Benjamin Weide, Tina Schäfer, Alexander Martens, Anastasia Kuzkina, Laura Uder, Seema Noor, Claus Garbe, Patrick N Harter, Michel Mittelbronn, Jörg Wischhusen
Biomarkers are strongly needed for diagnostic surveillance of metastatic melanoma patients. Based on its known association with tumor metastasis and its ability to induce cancer cachexia we investigated serum levels of growth and differentiation factor 15 (sGDF-15) as marker for overall survival (OS). sGDF-15 was retrospectively measured by ELISA in 761 samples obtained at distinct time points during routine clinical care of stage III/IV melanoma patients. In the entire cohort sGDF-15 ≥1.5ng/mL was strongly associated with reduced OS after assessment...
July 22, 2016: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/27700008/translational-pharmacokinetic-pharmacodynamic-analysis-of-myo-029-antibody-for-muscular-dystrophy
#17
P Singh, H Rong, T Gordi, J Bosley, I Bhattacharya
Suppression of the myostatin (GDF-8) pathway has emerged as an important therapeutic paradigm for muscle-wasting disorders. In this study, we conducted a translational pharmacokinetic/pharmacodynamic (PK/PD) analysis of MYO-029, an anti-myostatin monoclonal antibody, using PK data in mice, rats, monkeys, humans, mouse tissue distribution data with (125) I-labeled MYO-029, muscle weight increase in SCID mice, and muscle circumference changes in monkeys. This analysis revealed significant in vivo potency shift between mice and monkeys (72 nM vs...
December 2016: Clinical and Translational Science
https://www.readbyqxmd.com/read/27684606/effects-of-cigarette-smoking-on-cardiovascular-related-protein-profiles-in-two-community-based-cohort-studies
#18
Biying Huang, Per Svensson, Johan Ärnlöv, Johan Sundström, Lars Lind, Erik Ingelsson
BACKGROUND AND AIMS: Cardiovascular diseases account for the largest fraction of smoking-induced deaths. Studies of smoking in relation to cardiovascular-related protein markers can provide novel insights into the biological effects of smoking. We investigated the associations between cigarette smoking and 80 protein markers known to be related to cardiovascular diseases in two community-based cohorts, the Prospective Study of the Vasculature in Uppsala Seniors (PIVUS, n = 969, 50% women, all aged 70 years) and the Uppsala Longitudinal Study of Adult Men (ULSAM, n = 717, all men aged 77 years)...
September 15, 2016: Atherosclerosis
https://www.readbyqxmd.com/read/27679935/serum-gdf-15-level-in-rheumatoid-arthritis-relationship-with-disease-activity-and-subclinical-atherosclerosis
#19
Osman Tanrıkulu, Mustafa Akif Sarıyıldız, İbrahim Batmaz, Levent Yazmalar, Nihat Polat, İbrahim Kaplan, Remzi Çevik
OBJECTIVES: Growth differentiation factor (GDF)-15 was originally identified as a factor secreted by activated macrophages, and plays an important role in cell growth and differentiation. GDF-15 plays an important role in cell growth, signal transduction, and apoptosis regulation. The aim of this study was to evaluate the serum GDF-15 levels and their relationship with disease-related characteristics in patients with rheumatoid arthritis (RA). MATERIALS AND METHODS: Forty-six patients diagnosed with RA and 36 demographically matched healthy control subjects participated in this study...
July 30, 2016: Acta Reumatológica Portuguesa
https://www.readbyqxmd.com/read/27661264/protein-based-therapeutic-for-anemia-caused-by-dyserythropoiesis
#20
Jean-Benoît Arlet, Flavia Guillem, Mathilde Lamarque, Michael Dussiot, Thiago Maciel, Ivan Moura, Olivier Hermine, Geneviève Courtois
Major advances have been recently made in understanding the molecular determinants of dyserythropoiesis, particularly due to recent works in β-thalassemia. The purpose of this review is devoted to underline the role of some proteins recently evidenced in the field, that may be new alternative therapeutic targets in the near future to alleviate different types of anemia. Areas covered: This review covers the contemporary aspects of some proteins involved in various types of dyserythropoiesis, including the transcriptional factor GATA-1 and its protective chaperone HSP70, but also cytokines of the transforming growth factor beta (TFG-β) family, TGF-β1 and GDF-11, and hormones as erythroferrone...
October 6, 2016: Expert Review of Proteomics
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