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https://www.readbyqxmd.com/read/28217814/-effects-of-growth-differentiation-factor-15-gdf-15-on-neurological-systems-cardiovascular-diseases-and-cancer-progression
#1
Dong-Dong Liu, Yan-Ai Mei
Growth differentiation factor-15 (GDF-15) is a member of the transforming growth factor beta superfamily. GDF-15 expression is dramatically upregulated during acute brain injury, cancer, cardiovascular disease, and inflammation, suggesting its potential value as a disease biomarker. It has been suggested that GDF-15 has neurotropic effects in the nervous system. Our studies showed that GDF-15 modulated the expression of neuronal K(+) and Ca(2+) ion channels and increased the release of excitatory transmitter in the medial prefrontal cortex of mice...
February 25, 2017: Sheng Li Xue Bao: [Acta Physiologica Sinica]
https://www.readbyqxmd.com/read/28212715/novel-biomarkers-of-heart-failure
#2
A Savic-Radojevic, M Pljesa-Ercegovac, M Matic, D Simic, S Radovanovic, T Simic
Although substantial improvements have been made in majority of cardiac disorders, heart failure (HF) remains a major health problem, with both increasing incidence and prevalence over the past decades. For that reason, the number of potential biomarkers that could contribute to diagnosis and treatment of HF patients is, almost exponentially, increasing over the recent years. The biomarkers that are, at the moment, more or less ready for use in everyday clinical practice, reflect different pathophysiological processes present in HF...
2017: Advances in Clinical Chemistry
https://www.readbyqxmd.com/read/28206960/an-autocrine-paracrine-circuit-of-growth-differentiation-factor-gdf-15-has-a-role-for-maintenance-of-breast-cancer-stem-like-cells
#3
Asako Sasahara, Kana Tominaga, Tatsunori Nishimura, Masao Yano, Etsuko Kiyokawa, Miki Noguchi, Masakuni Noguchi, Hajime Kanauchi, Toshihisa Ogawa, Hiroshi Minato, Keiichiro Tada, Yasuyuki Seto, Arinobu Tojo, Noriko Gotoh
Cancer stem cells are thought to be responsible for tumor growth, recurrence, and resistance to conventional cancer therapy. However, it is still unclear how they are maintained in tumor tissues. Here, we show that the growth differentiation factor 15 (GDF15), a member of the TGFβ family, may maintain cancer stem-like cells in breast cancer tissues by inducing its own expression in an autocrine/paracrine manner. We found that GDF15, but not TGFβ, increased tumor sphere formation in several breast cancer cell lines and patient-derived primary breast cancer cells...
February 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28202998/-comparative-study-of-proliferative-and-periodontal-differentiation-propensity-of-induced-pluripotent-stem-cells-at-different-passages
#4
J W Li, X H Yin, Q X Luan
OBJECTIVE: To compare the proliferative and periodontal specific differentiation abilities of induced pluripotent stem cells (iPSCs) at different passages, and to investigate whether long term culturing would have a negative influence on their proliferation and specific differentiation capacity, thus providing a theoretical basis for further in-depth research on periodontal regeneration and the possible clinical applications of iPSCs. METHODS: IPSCs derived from human gingival fibroblasts at passages 5, 10, 15 and 20 were recovered and cultured in vitro...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28185024/disturbed-iron-metabolism-in-erythropoietic-protoporphyria-and-association-of-gdf15-and-gender-with-disease-severity
#5
Jasmin Barman-Aksoezen, Domenico Girelli, Caterina Aurizi, Xiaoye Schneider-Yin, Natascia Campostrini, Luca Barbieri, Elisabeth I Minder, Gianfranco Biolcati
Patients with erythropoietic protoporphyria (EPP) have reduced activity of the enzyme ferrochelatase that catalyzes the insertion of iron into protoporphyrin IX (PPIX) to form heme. As the result of ferrochelatase deficiency, PPIX accumulates and causes severe photosensitivity. Among different patients, the concentration of PPIX varies considerably. In addition to photosensitivity, patients frequently exhibit low serum iron and a microcytic hypochromic anemia. The aims of this study were to (1) search for factors related to PPIX concentration in EPP, and (2) characterize anemia in EPP, i...
February 9, 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/28178959/il-8-predicts-early-mortality-in-patients-with-acute-hypercapnic-respiratory-failure-treated-with-noninvasive-positive-pressure-ventilation
#6
Brynja Jónsdóttir, Åsa Jaworowski, Carmen San Miguel, Olle Melander
BACKGROUND: Patients with Acute Hypercapnic Respiratory Failure (AHRF) who are unresponsive to appropriate medical treatment, are often treated with Noninvasive Positive Pressure Ventilation (NPPV). Clinical predictors of the outcome of this treatment are scarce. Therefore, we evaluated the role of the biomarkers IL-8 and GDF-15 in predicting 28-day mortality in patients with AHRF who receive treatment with NPPV. METHODS: The study population were 46 patients treated with NPPV for AHRF...
February 8, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28159780/growth-differentiation-factor-15-and-risk-of-ckd-progression
#7
Viji Nair, Cassianne Robinson-Cohen, Michelle R Smith, Keith A Bellovich, Zeenat Yousuf Bhat, Maria Bobadilla, Frank Brosius, Ian H de Boer, Laurent Essioux, Ivan Formentini, Crystal A Gadegbeku, Debbie Gipson, Jennifer Hawkins, Jonathan Himmelfarb, Bryan Kestenbaum, Matthias Kretzler, Maria Chiara Magnone, Kalyani Perumal, Susan Steigerwalt, Wenjun Ju, Nisha Bansal
Growth differentiation factor-15 (GDF-15) is a member of the TGF-β cytokine superfamily that is widely expressed and may be induced in response to tissue injury. Elevations in GDF-15 may identify a novel pathway involved in loss of kidney function among patients with CKD. Among participants in the Clinical Phenotyping and Resource Biobank (C-PROBE) study and the Seattle Kidney Study (SKS), we tested whether kidney tissue expression of GDF15 mRNA correlates with circulating levels of GDF-15 and whether elevations in circulating GDF-15 are associated with decline in kidney function...
February 3, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28145442/elevated-gdf-15-contributes-to-pulmonary-inflammation-upon-cigarette-smoke-exposure
#8
F M Verhamme, L J M Seys, E G De Smet, S Provoost, W Janssens, D Elewaut, G F Joos, G G Brusselle, K R Bracke
The molecular mechanisms underlying the pathogenesis of chronic obstructive pulmonary disease (COPD) are still unclear, however signaling pathways associated with lung development, such as the transforming growth factor (TGF)-β superfamily, could be implicated in COPD. Growth differentiation factor (GDF)-15, a member of the TGF-β superfamily, is involved in inflammation, mucus secretion, and cachexia. We analyzed the pulmonary expression of GDF-15 in smokers and patients with COPD, in cigarette smoke (CS)-exposed cultures of primary human bronchial epithelial cells (pHBECs), and in CS-exposed mice...
February 1, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28133908/a-multimarker-multi-time-point-based-risk-stratification-strategy-in-acute-heart-failure-results-from-the-relax-ahf-trial
#9
Biniyam G Demissei, Gad Cotter, Margaret F Prescott, G Michael Felker, Gerasimos Filippatos, Barry H Greenberg, Peter S Pang, Piotr Ponikowski, Thomas M Severin, Yi Wang, Min Qian, John R Teerlink, Marco Metra, Beth A Davison, Adriaan A Voors
AIMS: We evaluated the added prognostic value of a multi-time point-based multimarker panel of biomarkers in patients with acute heart failure (AHF). METHODS AND RESULTS: Seven circulating biomarkers [NT-proBNP, high sensitivity cardiac troponin T (hs-cTnT), soluble ST2 (sST2), growth differentiation factor 15 (GDF-15), cystatin-C, galectin-3, and high sensitivity C-reactive protein (hs-CRP)] were measured at baseline and on days 2, 5, 14, and 60 in 1161 patients enrolled in the RELAX-AHF trial...
January 30, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28124978/surface-modification-of-titanium-with-bmp-2-gdf-5-by-a-heparin-linker-and-its-efficacy-as-a-dental-implant
#10
Dae Hyeok Yang, Sang Woong Moon, Deok-Won Lee
In this study, we prepared human bone morphogenetic protein-2 (hBMP-2)/human growth and differentiation factor-5 (hGDF-5)-coated titanium (Ti) disc and screw types for controlled release of the growth factors (GFs). The two growth factors were coated onto Ti with a smooth surface using their specific interaction with heparin, because they have heparin binding sites in their molecular structures. Efficacy of the two growth factor-coated Ti for enhancement of bone formation and osseointegration was compared to pristine Ti, and hBMP-2- and hGDF-5-coated Ti in vivo...
January 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28110258/il1rl1-single-nucleotide-polymorphism-predicts-sst2-level-and-mortality-in-coronary-and-peripheral-artery-disease
#11
Jeng-Feng Lin, Semon Wu, Jyh-Ming Jimmy Juang, Fu-Tien Chiang, Lung-An Hsu, Ming-Sheng Teng, Shih-Tsung Cheng, Hsuan-Li Huang, Yu-Chen Sun, Pei-Yu Liu, Yu-Lin Ko
BACKGROUND AND AIMS: There are many IL1RL1 single nucleotide polymorphisms (SNP) significantly associated with circulating sST2 concentration. Little is known about the effects of IL1RL1 SNP on the outcome of cardiovascular disease. The aim of this study is to investigate whether IL1RL1 SNP can predict mortality. METHODS: We enrolled 601 individuals receiving health examination, 532 patients with coronary artery disease (CAD), and 86 patients with peripheral artery disease (PAD)...
December 18, 2016: Atherosclerosis
https://www.readbyqxmd.com/read/28062617/growth-differentiation-factor-15-as-a-biomarker-in-cardiovascular-disease
#12
REVIEW
Kai C Wollert, Tibor Kempf, Lars Wallentin
BACKGROUND: Growth differentiation factor 15 (GDF-15) is expressed and secreted in response to inflammation, oxidative stress, hypoxia, telomere erosion, and oncogene activation. Cardiovascular (CV) disease is a major driver of GDF-15 production. GDF-15 has favorable preanalytic characteristics and can be measured in serum and plasma by immunoassay. CONTENT: In community-dwelling individuals higher concentrations of GDF-15 are associated with increased risks of developing CV disease, chronic kidney disease, and cancer, independent of traditional CV risk factors, renal function, and other biomarkers (C-reactive protein, B-type natriuretic peptide, cardiac troponin)...
January 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28004184/midregional-proadrenomedullin-and-growth-differentiation-factor-15-are-not-influenced-by-obesity-in-heart-failure-patients
#13
Christoph Sinning, Francisco Ojeda, Philipp S Wild, Renate B Schnabel, Michael Schwarzl, Sevenai Ohdah, Karl J Lackner, Norbert Pfeiffer, Matthias Michal, Maria Blettner, Thomas Munzel, Tibor Kempf, Kai C Wollert, Kari Kuulasmaa, Stefan Blankenberg, Veikko Salomaa, Dirk Westermann, Tanja Zeller
BACKGROUND: Obesity is a risk factor for heart failure (HF) and identification of symptomatic, and obese HF patients are challenging, because obesity can mimic HF symptoms. We aimed to evaluate novel biomarkers for HF in obese subjects of the general population. METHODS: Midregional proadrenomedullin (MR-proADM), growth differentiation factor-15 (GDF-15), midregional pro-atrial natriuretic peptide (MR-proANP), and NT-proBNP were measured in 5000 individuals of the population-based Gutenberg Health Study (GHS), including 1204 obese individuals (BMI ≥ 30 kg/m(2)) and 107 individuals with HF...
December 21, 2016: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/27987891/the-use-of-heparin-chemistry-to-improve-dental-osteogenesis-associated-with-implants
#14
Sang Jin Lee, Min Soo Bae, Deok Won Lee, Dong Nyoung Heo, Donghyun Lee, Min Heo, Seoung-Jin Hong, Joohyoung Kim, Wan Doo Kim, Su A Park, Il Keun Kwon
In this study, we designed a hybrid Ti by heparin modifying the Ti surface followed by Growth/differentiation factor-5 (GDF-5) loading. After that, products were characterized by physicochemical analysis. Quantitative analysis of functionalized groups was also confirmed. The release behavior of GDF-5 grafted samples was confirmed for up to 21days. The surface modification process was found to be successful and to effectively immobilize GDF-5 and provide for its sustained release behavior. As an in vitro test, GDF-5 loaded Ti showed significantly enhanced osteogenic differentiation with increased calcium deposition under nontoxic conditions against periodontal ligament stem cells (PDLSc)...
February 10, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/27981533/triamcinolone-acetonide-reduces-viability-induces-oxidative-stress-and-alters-gene-expressions-of-human-chondrocytes
#15
M Suntiparpluacha, N Tammachote, R Tammachote
OBJECTIVE: Patients with knee osteoarthritis (OA) are sometimes prescribed intra-articular injections of glucocorticoids (GCs), such as triamcinolone acetonide (TA). Whether GCs cause chondrotoxicity is not known. We wished to ascertain if TA induces toxicity by causing oxidative stress and alters expression of P21, growth differentiation factor (GDF)15, and cFos. PATIENTS AND METHODS: Primary chondrocytes isolated from 10 OA patients undergoing total knee replacement surgery were incubated with TA (0, 1, 5, 10 mg/ml), with or without 100 µM vitamin C for 7 and 14 days for viability assays and 48 h for oxidative stress and gene expression analyses...
December 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27965203/myostatin-propeptide-mutation-of-the-hypermuscular-compact-mice-decreases-the-formation-of-myostatin-and-improves-insulin-sensitivity
#16
Tamas Kocsis, Gyorgy Trencsenyi, Kitti Szabo, Julia Aliz Baan, Geza Muller, Luca Mendler, Ildiko Garai, Hans Reinauer, Ferenc Deak, Laszlo Dux, Aniko Keller-Pinter
The TGF-β family member myostatin (growth/differentiation factor-8, GDF-8) is a negative regulator of skeletal muscle growth. The hypermuscular Compact mice carry the 12-bp Mstn(Cmpt-dl1Abc) deletion in the sequence encoding the propeptide region of the precursor promyostatin and additional modifier genes of the Compact genetic background contribute to determine the full expression of the phenotype. In this study, by using mice strains carrying mutant or wild-type myostatin alleles with Compact genetic background, and non-mutant myostatin with wild-type background we studied separately the effect of the Mstn(Cmpt-dl1Abc) mutation or the Compact genetic background on morphology, metabolism and signaling...
December 13, 2016: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27932413/biomarkers-and-coronary-lesions-predict-outcomes-after-revascularization-in-non-st-elevation-acute-coronary-syndrome
#17
Daniel Lindholm, Stefan K James, Maria Bertilsson, Richard C Becker, Christopher P Cannon, Evangelos Giannitsis, Robert A Harrington, Anders Himmelmann, Frederic Kontny, Agneta Siegbahn, Philippe Gabriel Steg, Robert F Storey, Matthijs A Velders, W Douglas Weaver, Lars Wallentin
BACKGROUND: Risk stratification in non-ST-elevation acute coronary syndrome (NSTE-ACS) is currently mainly based on clinical characteristics. With routine invasive management, angiography findings and biomarkers are available and may improve prognostication. We aimed to assess if adding biomarkers [high-sensitivity cardiac troponin T (cTnT-hs), N-terminal probrain-type natriuretic peptide (NT-proBNP), growth differentiation factor 15 (GDF-15)] and extent of coronary artery disease (CAD) might improve prognostication in revascularized patients with NSTE-ACS...
February 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/27918822/growth-differentiation-factor-15-induced-contractile-activity-and-extracellular-matrix-production-in-human-trabecular-meshwork-cells
#18
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
#19
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
#20
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
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