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https://www.readbyqxmd.com/read/28645219/pullulan-microbeads-si-hpmc-hydrogel-injectable-system-for-the-sustained-delivery-of-gdf-5-and-tgf-%C3%AE-1-new-insight-into-intervertebral-disc-regenerative-medicine
#1
Nina Henry, Johann Clouet, Audrey Fragale, Louise Griveau, Claire Chédeville, Joëlle Véziers, Pierre Weiss, Jean Le Bideau, Jérôme Guicheux, Catherine Le Visage
Discogenic low back pain is considered a major health concern and no etiological treatments are today available to tackle this disease. To clinically address this issue at early stages, there is a rising interest in the stimulation of local cells by in situ injection of growth factors targeting intervertebral disc (IVD) degenerative process. Despite encouraging safety and tolerability results in clinic, growth factors efficacy may be further improved. To this end, the use of a delivery system allowing a sustained release, while protecting growth factors from degradation appears of particular interest...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28644092/single-and-multiple-cardiovascular-biomarkers-in-subjects-without-a-previous-cardiovascular-event
#2
Manan Pareek, Deepak L Bhatt, Muthiah Vaduganathan, Tor Biering-Sørensen, Arman Qamar, Axel Cp Diederichsen, Jacob Eifer Møller, Peter Hindersson, Margrét Leósdóttir, Martin Magnusson, Peter M Nilsson, Michael H Olsen
Aims To assess the incremental value of biomarkers, including N-terminal prohormone of brain natriuretic peptide (NT-proBNP), high-sensitivity troponin T (hs-TnT), high-sensitivity C-reactive protein (hs-CRP), interleukin-6 (IL-6), growth differentiation factor 15 (GDF-15), and procollagen type 1 N-terminal propeptide (P1NP), in predicting incident cardiovascular events and mortality among asymptomatic individuals from the general population, beyond traditional risk factors, including fasting glucose and renal function (cystatin C), medication use, and echocardiographic measures...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28641514/clinically-relevant-biomarkers-in-acute-heart-failure-an-update
#3
Agnibh Mukherji, Uzair Ansari, Martin Borggrefe, Ibrahim Akin, Michael Behnes
Acute heart failure (AHF) has been one of the fields, where owing to difficulties in diagnosis, prognostic stratification and management the associated morbidity and mortality remains unusually high. The advent of novel biomarkers apart from the traditional B-type natriuretic peptide and N-terminal proBNP involved in myocardial injury, neuro-hormonal activation, and ventricular remodeling augurs immense hope in redefining our approach towards AHF. METHODS: Biomarkers like midregional proatrial natriuretic peptide, soluble ST2, highly-sensitive troponin, and midregional proadrenomedullin are some such examples that have passed various stages of substantiation while there is an array of potential biomarkers in nascent stages like osteopontin, CTGF, GDF-15 and TGF beta-1 awaiting further reiteration...
June 22, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28635193/comparing-the-effect-of-cardiac-biomarkers-on-the-outcome-of-normotensive-patients-with-acute-pulmonary-embolism
#4
Yaser Jenab, Marzieh Pourjafari, Maryam Sotoudeh, Masoumeh Lotfi-Tokaldany, Nasrin Etesamifard, Shapour Shirani, Arash Jalali, Younes Nozari, Hamid-Reza Poorhosseini
Acute pulmonary embolism (PE) is a cardiovascular challenge with potentially fatal consequences. This study was designed to observe the association of novel cardiac biomarkers with outcome in this setting. In this prospective study, from 86 patients with a confirmed diagnosis of PE, 59 patients met the inclusion criteria (22 men, 37 women; mean age, 63.36±15.04 y).The plasma concentrations of N-terminal pro-brain natriuretic peptide (NT-proBNP), growth differentiation factor-15 (GDF-15), heart-type fatty acid-binding protein (H-FABP), tenascin-C, and D-dimer were measured at the time of confirmed diagnosis...
May 18, 2017: Monaldi Archives for Chest Disease, Archivio Monaldi Per le Malattie del Torace
https://www.readbyqxmd.com/read/28612904/prognostic-value-of-growth-differentiation-factor-15-in-chinese-patients-with-heart-failure-a-prospective-observational-study
#5
Hua Wang, Qingyong Chen, Yingying Li, Xianchao Jing, Jiefu Yang
BACKGROUND: Growth differentiation factor-15 (GDF-15), a biomarker associated with remodeling, oxidative stress and inflammation, has been used to stratify heart failure (HF) patients. However, its prognostic value in Chinese HF patients is still unknown. METHODS: GDF-15 levels were examined on admission in 272 consecutive HF patients in Beijing Hospital (a Chinese tertiary medical center) by a commercial enzyme-linked immunosorbent assay. We recorded the incidence of all-cause mortality and/or readmission for HF during a median follow-up period of 558 days...
June 14, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28612495/graphdiyne-supported-nico2-s4-nanowires-a-highly-active-and-stable-3d-bifunctional-electrode-material
#6
Yurui Xue, Zicheng Zuo, Yongjun Li, Huibiao Liu, Yuliang Li
The oxygen evolution reaction (OER), hydrogen evolution reaction (HER), and overall water splitting are major energy and chemical conversion efforts. Progress in electrocatalytic reactions have shown that the future is limitless in many fields. However, it is urgent to develop efficient electrocatalysts. Here, the first graphdiyne-supported efficient and bifunctional electrocatalyst is reported using 3D graphdiyne foam as scaffolds, and NiCo2 S4 nanowires as building blocks (NiCo2 S4 NW/GDF). NiCo2 S4 NW/GDF exhibits outstanding catalytic activity and stability toward both OER and HER, as well as overall water splitting in alkaline media...
June 14, 2017: Small
https://www.readbyqxmd.com/read/28611236/quantification-of-circulating-gdf-11-and-%C3%AE-2-mg-in-aged-patients-with-age-related-impairment-in-cognitive-function
#7
Rungong Yang, Shuhong Fu, Liang Zhao, Bei Zhen, Ling Ye, Xiaolu Niu, Xiaoxia Li, Pumin Zhang, Jie Bai
GDF-11 has been implicated in reverse effects of aging on the central nervous system of humans. β2-MG has been reported to negatively regulate cognitive. However, there is a lot of controversy about the role of GDF-11 and β2-MG in ageing and cognitive regulation. Objective: To examine the involvement of GDF-11 and β2-MG in the aging process and cognitive dysfunction. Methods: A total of 51 healthy subjects and 41 elderly patients with different degrees of age-related cognitive impairment participated in the study...
June 13, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28599707/a-multiplexed-immunocapture-liquid-chromatography-tandem-mass-spectrometry-assay-for-the-simultaneous-measurement-of-myostatin-and-gdf-11-in-rat-serum-using-an-automated-sample-preparation-platform
#8
Yue Zhao, Guowen Liu, Frank C Zambito, Yan J Zhang, Binodh S DeSilva, Alexander T Kozhich, Jim X Shen
Myostatin, also known as growth differentiation factor 8 (GDF-8), is a protein acting as a negative regulator in skeletal muscle growth. Inhibition of myostatin by therapeutic agents provides opportunities for current unmet medical needs. In order to better understand drug engagement to aid the drug development, we have developed a hybrid LC-MS/MS method which can differentially measure myostatin and another protein from the same GDF family, GDF-11. Although the two proteins share high homology, the LC-MS/MS assay provided the specificity based on monitoring of unique surrogate peptide generated from enzymatic digestion...
August 1, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28579310/a-comparative-analysis-of-novel-cardiovascular-biomarkers-in-patients-with-chronic-heart-failure
#9
Michael Lichtenauer, Peter Jirak, Bernhard Wernly, Vera Paar, Ilonka Rohm, Christian Jung, Christiana Schernthaner, Johannes Kraus, Lukas J Motloch, Atilla Yilmaz, Uta C Hoppe, P Christian Schulze, Daniel Kretzschmar, Rudin Pistulli
BACKGROUND: Heart failure (HF) with reduced ejection fraction remains a major therapeutic challenge. The aim of this study was to investigate the role of novel cardiovascular biomarkers, i.e. soluble suppression of tumorigenicity (sST2), growth-differentiation factor-15 (GDF-15), soluble urokinase plasminogen activator receptor (suPAR) and heart-type fatty acid binding protein (H-FABP) in patients with ischaemic (ICM) or dilative cardiomyopathy (DCM). MATERIALS AND METHODS: A total of 200 patients were enrolled in this study: 65 were diagnosed with DCM and 59 patients suffering from ICM were included...
May 31, 2017: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/28579242/mitochonic-acid-5-ma-5-facilitates-atp-synthase-oligomerization-and-cell-survival-in-various-mitochondrial-diseases
#10
Tetsuro Matsuhashi, Takeya Sato, Shin-Ichiro Kanno, Takehiro Suzuki, Akihiro Matsuo, Yuki Oba, Motoi Kikusato, Emi Ogasawara, Tai Kudo, Kosuke Suzuki, Osamu Ohara, Hiroko Shimbo, Fumika Nanto, Hiroaki Yamaguchi, Daisuke Saigusa, Yasuno Mukaiyama, Akiko Watabe, Koichi Kikuchi, Hisato Shima, Eikan Mishima, Yasutoshi Akiyama, Yoshitsugu Oikawa, H O Hsin-Jung, Yukako Akiyama, Chitose Suzuki, Mitsugu Uematsu, Masaki Ogata, Naonori Kumagai, Masaaki Toyomizu, Atsushi Hozawa, Nariyasu Mano, Yuji Owada, Setsuya Aiba, Teruyuki Yanagisawa, Yoshihisa Tomioka, Shigeo Kure, Sadayoshi Ito, Kazuto Nakada, Ken-Ichiro Hayashi, Hitoshi Osaka, Takaaki Abe
Mitochondrial dysfunction increases oxidative stress and depletes ATP in a variety of disorders. Several antioxidant therapies and drugs affecting mitochondrial biogenesis are undergoing investigation, although not all of them have demonstrated favorable effects in the clinic. We recently reported a therapeutic mitochondrial drug mitochonic acid MA-5 (Tohoku J. Exp. Med., 2015). MA-5 increased ATP, rescued mitochondrial disease fibroblasts and prolonged the life span of the disease model "Mitomouse" (JASN, 2016)...
June 2017: EBioMedicine
https://www.readbyqxmd.com/read/28550241/acute-effects-of-moderate-altitude-on-biomarkers-of-cardiovascular-inflammation-and-endothelial-function-and-their-differential-modulation-by-dual-endothelin-receptor-blockade
#11
Michael Lichtenauer, Bjoern Goebel, Vera Paar, Bernhard Wernly, Thomas Gecks, Ilonka Rohm, Martin Förster, Stefan Betge, Hans R Figulla, Uta C Hoppe, Malte Kelm, Marcus Franz, Christian Jung
BACKGROUND: Endothelial dysfunction is accompanied by the release of microparticles (MP). OBJECTIVE: We sought to investigate the effect of moderate hypoxia on circulatory levels of microparticles, biomarkers of cardiovascular function and inflammation and on echocardiographic parameters in healthy volunteers staying at an altitude of 2978 m. METHODS: Eighteen healthy volunteers were subjected to moderate hypoxia by staying at 2978 m above sea level for three days...
May 24, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28548630/tenogenic-differentiation-of-human-embryonic-stem-cells
#12
Tina P Dale, Shazia Mazher, William R Webb, Jing Zhou, Nicola Maffulli, G-Q Chen, Alicia J El Haj, Nicholas R Forsyth
Tendon healing is complex to manage because of the limited regeneration capacity of tendon tissue; stem cell-based tissue engineering approaches may provide alternative healing strategies. We sought to determine whether human embryonic stem cells (hESC) could be induced to differentiate into tendon-like cells by the addition of exogenous bone morphogenetic protein (BMP)12 (growth differentiation factor(GDF)7) and BMP13 (GDF6). hESC (SHEF-1) were maintained with or without BMP12/13 supplementation, or supplemented with BMP12/13 and the SMAD signalling cascade blocking agent, dorsomorphin...
May 26, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28526273/the-association-of-growth-differentiation-factor-15-gene-polymorphisms-with-growth-differentiation-factor-15-serum-levels-and-risk-of-ischemic-stroke
#13
Yang Xiang, Ting Zhang, Jing Guo, You-Fan Peng, Ye-Sheng Wei
BACKGROUND: Current evidence shows that growth differentiation factor-15 (GDF-15) plays an important role in the progression of ischemic stroke (IS). The aim of this study was to investigate the association between 3 single-nucleotide polymorphisms of the GDF-15 gene and IS susceptibility in the Chinese population. MATERIALS AND METHODS: The study subjects comprised 601 Chinese individuals, including 298 stroke patients and 303 age- and gender-matched healthy controls...
May 16, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28508818/biosignals-standards-and-fhir-the-way-to-go
#14
Stefan Sauermann, Veronika David, Alois Schlögl, Reinhard Egelkraut, Matthias Frohner, Birgit Pohn, Philipp Urbauer, Alexander Mense
BACKGROUND: Standards have become available to share semantically encoded vital parameters from medical devices, as required for example by personal healthcare records. Standardised sharing of biosignal data largely remains open. OBJECTIVES: The goal of this work is to explore available biosignal file format and data exchange standards and profiles, and to conceptualise end-to-end solutions. METHODS: The authors reviewed and discussed available biosignal file format standards with other members of international standards development organisations (SDOs)...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28506172/the-effect-of-myostatin-gdf-8-on-proliferation-and-tenocyte-differentiation-of-rat-bone-marrow-derived-mesenchymal-stem-cells
#15
Wei Le, Jeffrey Yao
BACKGROUND: The future in flexor tendon surgery involves tissue engineering approaches directed toward increasing early repair strength to accelerate tendon healing and to allow for earlier onset of rehabilitation. Previous work has shown that pluripotential mesenchymal stem cells may be successfully delivered to a tendon repair site using a suture carrier. The current work describes the use of Myostatin (GDF-8) to help guide these delivered pluripotential stem cells to differentiate down a tenocyte lineage to potentially maximize the reparative effects of these cells at the tendon repair site...
June 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28494447/stromal-growth-differentiation-factor-15-and-its-association-with-ovarian-cancer
#16
Cid A Lima, Millena P Jammal, Agrimaldo Martins-Filho, Thales Parenti Silveira, Douglas C Micheli, Beatriz M Tavares-Murta, Eddie F C Murta, Rosekeila Simões Nomelini
BACKGROUND/AIMS: Growth differentiation factor 15 (GDF-15) is induced by pro-inflammatory cytokines. Higher levels of GDF-15 have been associated with malignancy. The aim of the study was to evaluate both tissue and serum levels of GDF-15 in ovarian neoplasms. METHODS: A cohort study evaluated 31 patients with benign ovarian tumors and 34 patients with ovarian cancer were evaluated in 2 years. The inclusion criterion was histopathological diagnosis of ovarian epithelial neoplasia...
May 12, 2017: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/28486916/are-markers-of-cardiac-dysfunction-useful-in-the-assessment-of-cardiovascular-risk-in-dialysis-patients
#17
Beata Franczyk, Anna Gluba-Brzózka, Piotr Bartnicki, Maciej Banach, Jacek Rysz
Cardiovascular morbidity and mortality of dialysis patients is a major problem in this group. The purpose of this study was also to evaluate whether any of studied markers are better than troponin in early detection of the occurrence of ventricular arrhythmias and prolongation of QT interval. This study included 45 patients undergoing haemodialysis. ECG Holter and echocardiographic examination were performed before and after dialysis. The concentration of markers: copeptin, GDF-15, HFABP and troponin were measured with the use of ELISA tests...
May 8, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28486664/microrna-21-plays-a-pivotal-role-in-the-oocyte-secreted-factor-induced-suppression-of-cumulus-cell-apoptosis%C3%A2
#18
Xiao Han, Rui Xue, Hong-Jie Yuan, Tian-Yang Wang, Juan Lin, Jie Zhang, Bo Liang, Jing-He Tan
It is known that oocytes and cumulus cells (CCs) are more resistant to apoptosis than other compartments of the antral follicle. However, although oocyte-secreted factors (OSFs) have been found to be involved in suppressing bovine CC apoptosis, little is known about the intra-cellular mechanisms by which OSFs render CCs resistant to apoptosis. Here we show that coculture with mouse or pig cumulus-denuded oocytes, culture with recombinant mouse growth differentiation factor-9 (GDF-9) or culture in pig oocyte-conditioned medium (POCM) significantly inhibited CC apoptosis of mouse oocytectomized cumulus oophorus complexes (OOXs)...
May 8, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28458020/signaling-by-growth-differentiation-factor-5-through-the-bone-morphogenetic-protein-receptor-type-ib-protects-neurons-against-kainic-acid-induced-neurodegeneration
#19
Yuanzheng Zhao, Min Zhang, Hengfang Liu, Jianping Wang
Growth/differentiation factor-5 (GDF-5), a member of the transforming growth factor-beta (TGF-β) superfamily, has been shown to protect rat dopaminergic neurons against insult both in embryonic neuronal culture and in Parkinson's disease models. However, whether GDF-5 exerts neuroprotective effects in hippocampal neurons is unclear. Here, we show that both mRNA levels and protein levels of GDF-5 are decreased in the mouse hippocampus upon kainic acid (KA) treatment. KA induced dramatic neuronal loss specifically in the cornu ammonis 1 (CA1) and CA3 areas of the mouse hippocampus, while intracerebral infusion of GDF-5 prevented this neuronal loss...
April 27, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28453865/saliva-and-plasma-levels-of-cardiac-related-biomarkers-in-post-myocardial-infarction-patients
#20
N Rathnayake, K Buhlin, B Kjellström, B Klinge, C Löwbeer, A Norhammar, L Rydén, T Sorsa, T Tervahartiala, A Gustafsson
AIM: To relate cardiac biomarkers, such as Cystatin C and Growth differentiation factor-15 (GDF-15) in saliva to myocardial infarction (MI) and to periodontal status, and to investigate the relation between salivary and plasma cardiac biomarkers. MATERIALS AND METHODS: 200 patients with MI admitted to coronary care units and 200 matched controls without MI were included. Dental examination and collection of blood and saliva samples was performed 6-10 weeks after the MI for patients and in close proximity thereafter for controls...
April 28, 2017: Journal of Clinical Periodontology
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