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https://www.readbyqxmd.com/read/28535507/cardiac-cell-therapies-for-the-treatment-of-acute-myocardial-infarction-a-meta-analysis-from-mouse-studies
#1
Cajetan Immanuel Lang, Markus Wolfien, Anne Langenbach, Paula Müller, Olaf Wolkenhauer, Arash Yavari, Hüseyin Ince, Gustav Steinhoff, Bernd Joachim Krause, Robert David, Änne Glass
AIMS: Stem cell-based regenerative therapies for the treatment of ischemic myocardium are currently a subject of intensive investigation. A variety of cell populations have been demonstrated to be safe and to exert some positive effects in human Phase I and II clinical trials, however conclusive evidence of efficacy is still lacking. While the relevance of animal models for appropriate pre-clinical safety and efficacy testing with regard to application in Phase III studies continues to increase, concerns have been expressed regarding the validity of the mouse model to predict clinical results...
May 25, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28533281/pillars-article-differentiation-of-monocytes-into-dendritic-cells-in-a-model-of-transendothelial-trafficking-science-1998-282-480-483
#2
Gwendalyn J Randolph, Sylvie Beaulieu, Serge Lebecque, Ralph M Steinman, William A Muller
No abstract text is available yet for this article.
June 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28531990/safety-protocol-for-the-gold-nanoparticles-administration-in-rats
#3
Alexandre Pastoris Muller, Gabriela Kozuchovski Ferreira, Sabrina da Silva, Renata Tiscoski Nesi, Gustavo de Bem Silveira, Carolini Mendes, Ricardo A Pinho, Marcos Marques da Silva Paula, Paulo Cesar Lock Silveira
Gold nanoparticles (GNPs) have antioxidant and anti-inflammatory effects. However, toxicity is still a concern; therefore, it is critical to study both the therapeutic and toxic properties of GNPs. In this study, we evaluated the effects of the intraperitoneal administration of GNPs (20nm, at a concentration of 2.5mg/L for 21days) every 24 or 48h on oxidative stress, antioxidant status, and electron chain transport (ETC) in the brain. Liver histology and blood marker analyses were conducted to establish a time routine of GNP administration...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28530711/a-combinatorial-screen-of-the-cloud-uncovers-a-synergy-targeting-the-androgen-receptor
#4
Marco P Licciardello, Anna Ringler, Patrick Markt, Freya Klepsch, Charles-Hugues Lardeau, Sara Sdelci, Erika Schirghuber, André C Müller, Michael Caldera, Anja Wagner, Rebecca Herzog, Thomas Penz, Michael Schuster, Bernd Boidol, Gerhard Dürnberger, Yasin Folkvaljon, Pär Stattin, Vladimir Ivanov, Jacques Colinge, Christoph Bock, Klaus Kratochwill, Jörg Menche, Keiryn L Bennett, Stefan Kubicek
Approved drugs are invaluable tools to study biochemical pathways, and further characterization of these compounds may lead to repurposing of single drugs or combinations. Here we describe a collection of 308 small molecules representing the diversity of structures and molecular targets of all FDA-approved chemical entities. The CeMM Library of Unique Drugs (CLOUD) covers prodrugs and active forms at pharmacologically relevant concentrations and is ideally suited for combinatorial studies. We screened pairwise combinations of CLOUD drugs for impairment of cancer cell viability and discovered a synergistic interaction between flutamide and phenprocoumon (PPC)...
May 22, 2017: Nature Chemical Biology
https://www.readbyqxmd.com/read/28529477/prox1-is-a-marker-for-aii-amacrine-cells-in-the-mouse-retina
#5
Luis Pérez de Sevilla Müller, Shaghauyegh S Azar, Janira de Los Santos, Nicholas C Brecha
The transcription factor Prox1 is expressed in multiple cells in the retina during eye development. This study has focused on neuronal Prox1 expression in the inner nuclear layer (INL) of the adult mouse retina. Prox1 immunostaining was evaluated in vertical retinal sections and whole mount preparations using a specific antibody directed to the C-terminus of Prox1. Strong immunostaining was observed in numerous amacrine cell bodies and in all horizontal cell bodies in the proximal and distal INL, respectively...
2017: Frontiers in Neuroanatomy
https://www.readbyqxmd.com/read/28525384/secretome-analysis-of-breast-cancer-associated-adipose-tissue-to-identify-paracrine-regulators-of-breast-cancer-growth
#6
Lapeire Lore, Hendrix An, Lecoutere Evelyne, Van Bockstal Mieke, Vandesompele Jo, Maynard Dawn, Braems Geert, Van Den Broecke Rudy, Müller Cathérine, Bracke Marc, Cocquyt Véronique, Denys Hannelore, De Wever Olivier
Adipose tissue secretes a plethora of adipokines as evidenced by characterization of subcutaneous and visceral adipose tissue secretomes. However, adipose tissue composition and secretion pattern is depot and disease dependent, influencing the adipose tissue secretome. We investigated the secretome of cancer-associated adipose tissue (CAAT) explants from breast cancer patients and explored its role in breast cancer proliferation. CAAT proteins were identified by LC-MS/MS and human protein antibody arrays and stimulated proliferation of three breast cancer cell lines...
May 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28520401/identification-of-galnac-conjugated-antisense-oligonucleotide-metabolites-using-an-untargeted-and-generic-approach-based-on-high-resolution-mass-spectrometry
#7
Christophe Husser, Andreas Brink, Manfred Zell, Martina B Müller, Erich Koller, Simone Schadt
Antisense oligonucleotides linked by phosphorothioates are an important class of therapeutics under investigation in various pharmaceutical companies. Antisense oligonucleotides may be coupled to high-affinity ligands (triantennary N-acetyl ga-lactosamine = GalNAc) for hepatocyte-specific asialoglycoprotein receptors (ASGPR) to enhance uptake to hepatocytes and to increase potency. Since disposition and biotransformation of GalNAc-conjugated oligonucleotides is different from unconjugated oligonucleotides, appropriate analytical methods are required to identify main cleavage sites and degradation products of GalNAc conjugated and unconjugated oligonucleotides in target cells...
May 18, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28515229/unique-cell-biological-profiles-of-retinal-disease-causing-missense-mutations-in-the-polarity-protein-crumbs
#8
Milena Pellikka, Ulrich Tepass
Mutations in human CRB1 are a major cause of retinal disease that lead to blindness. CRB1 is a transmembrane protein found in the inner segment of photoreceptor cells (PRCs) and the apical membrane of Müller glia. The function of the extracellular region of CRB1 is poorly understood although more than 80 disease-causing missense mutations have been mapped to it. We have recreated four mutations in Drosophila Crumbs (Crb) that affect different extracellular domains. Crb regulates epithelial polarity and growth, and contributes to PRC differentiation and survival...
May 17, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28514233/energy-balance-over-one-athletic-season
#9
Analiza M Silva, Catarina N Matias, Diana A Santos, Diana Thomas, Anja Bosy-Westphal, Manfred J Müller, Steven B Heymsfield, Luís B Sardinha
INTRODUCTION: Magnitude and variation in energy balance (EB) components over an athletic season are largely unknown. PURPOSE: We investigated the longitudinal changes in EB over one season and explored the association between EB variation and the change in the main fat-free mass (FFM) components in highly trained athletes. METHODS: Eighty athletes (54 males; handball, volleyball, basketball, triathlete, and swimming) were evaluated from the beginning of the season to the main competition stage...
March 22, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28513544/morphogenetically-active-barrier-membrane-for-guided-bone-regeneration-based-on-amorphous-polyphosphate
#10
Xiaohong Wang, Maximilian Ackermann, Meik Neufurth, Shunfeng Wang, Heinz C Schröder, Werner E G Müller
We describe a novel regeneratively-active barrier membrane which consists of a durable electrospun poly(ε-caprolactone) (PCL) net covered with a morphogenetically-active biohybrid material composed of collagen and inorganic polyphosphate (polyP). The patch-like fibrous collagen structures are decorated with small amorphous polyP nanoparticles (50 nm) formed by precipitation of this energy-rich and enzyme-degradable (alkaline phosphatase) polymer in the presence of calcium ions. The fabricated PCL-polyP/collagen hybrid mats are characterized by advantageous biomechanical properties, such as enhanced flexibility and stretchability with almost unaltered tensile strength of the PCL net...
May 17, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28511202/-protective-effects-of-m%C3%A3-ller-glia-cells-towards-retinal-ganglion-cells
#11
Manuela Schmidt, Helena Savkovic-Cvijic, Wolfram Eichler, Jan Darius Unterlauft
Introduction Müller glial cells carry out different tasks to warrant normal retinal functions. The aim of this study was to investigate if Müller cells also support retinal ganglion cells (RGC). Materials and Methods RGC were cultured for 24 hours in the presence or absence of Müller glial cells under normoxic (20% O2, 5% CO2) or hypoxic (0.2% O2, 5% CO2, 94.8% N2) culture conditions. The number of vital RGC and the length of the newly developed neurites were evaluated. Results Under normoxic conditions, RGC vitality was significantly higher (p < 0...
May 16, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28511093/hypoxia-based-strategies-for-regenerative-dentistry-views-from-the-different-dental-fields
#12
REVIEW
Anna Sonja Müller, Klara Janjić, Bledar Lilaj, Michael Edelmayer, Hermann Agis
The understanding of the cell biological processes underlying development and regeneration of oral tissues leads to novel regenerative approaches. Over the past years, knowledge on key roles of the hypoxia-based response has become more profound. Based on these findings, novel regenerative approaches for dentistry are emerging, which target cellular oxygen sensors. These approaches include hypoxia pre-conditioning and pharmacologically simulated hypoxia. The increase in studies on hypoxia and hypoxia-based strategies in regenerative dentistry highlights the growing attention to hypoxia's role in regeneration and its underlying biology, as well as its application in a therapeutic setting...
April 26, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28508947/podocytes-from-the-diagnostic-and-therapeutic-point-of-view
#13
REVIEW
Janina Müller-Deile, Mario Schiffer
The central role of podocytes in glomerular diseases makes this cell type an interesting diagnostic tool as well as a therapeutic target. In this review, we discuss the current literature on the use of podocytes and podocyte-specific markers as non-invasive diagnostic tools in different glomerulopathies. Furthermore, we highlight the direct effects of drugs currently used to treat primary glomerular diseases and describe their direct cellular effects on podocytes. A new therapeutic potential is seen in drugs targeting the podocytic actin cytoskeleton which is essential for podocyte foot process structure and function...
May 16, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28508570/a-new-transcript-in-the-tcrb-locus-unveils-the-human-ortholog-of-the-mouse-pre-d%C3%A3-1-promoter
#14
Bernard Lethé, Sylvia Snauwaert, Orian Bricard, David Schröder, Tiphanie Gomard, Gérald Hames, Catherine Muller, Christophe Lurquin, Emilie Gauthy, Ahmed Essaghir, Bart Vandekerckhove, Pierre G Coulie
INTRODUCTION: While most transcripts arising from the human T Cell Receptor locus reflect fully rearranged genes, several germline transcripts have been identified. We describe a new germline transcript arising from the human TCRB locus. METHODS: cDNA sequencing, promoter, and gene expression analyses were used to characterize the new transcript. RESULTS: The new germline transcript encoded by the human TCRB locus consists of a new exon of 103 bp, which we named TRBX1 (X1), spliced with the first exon of gene segments Cß1 or Cß2...
May 15, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28507242/an-rpohi-dependent-response-promotes-outgrowth-after-extended-stationary-phase-in-the-alphaproteobacterium-rhodobacter-sphaeroides
#15
B Remes, T Rische-Grahl, K M H Müller, K U Förstner, Y Sung-Huan, L Weber, A Jäger, V Peuser, G Klug
Under unfavorable growth conditions, bacteria enter stationary phase and can maintain cell viability over prolonged periods with no increase in cell number. To get insights into the regulatory mechanisms that allow bacteria to resume growth when conditions become favorable again (outgrowth) we performed global transcriptome analyses at different stages of growth for the alphaproteobacterium Rhodobacter sphaeroides The majority of genes was not differentially expressed across growth phases. After short stationary phase (about 20 h after growth starts to slow down), only 7 % of the genes showed altered expression (fold change of > 1...
May 15, 2017: Journal of Bacteriology
https://www.readbyqxmd.com/read/28507049/models-in-translational-oncology-a-public-resource-database-for-preclinical-cancer-research
#16
REVIEW
Claudia Galuschka, Rumyana Proynova, Benjamin Roth, Hellmut G Augustin, Karin Müller-Decker
The devastating diseases of human cancer are mimicked in basic and translational cancer research by a steadily increasing number of tumor models, a situation requiring a platform with standardized reports to share model data. Models in Translational Oncology (MiTO) database was developed as a unique Web platform aiming for a comprehensive overview of preclinical models covering genetically engineered organisms, models of transplantation, chemical/physical induction, or spontaneous development, reviewed here...
May 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28506962/pair-feeding-but-not-insulin-phloridzin-or-rosiglitazone-treatment-curtails-markers-of-beta-cell-dedifferentiation-in-db-db-mice
#17
Emi Ishida, Ja Young Kim-Muller, Domenico Accili
Beta cell failure is a hallmark of type 2 diabetes. Among several cellular biological mechanisms of cellular dysfunction, we and others have recently proposed that dedifferentiation of beta cells can explain the slowly progressive onset and partial reversibility of beta-cell failure. Accordingly, we provided evidence of such processes in humans and experimental animal models of insulin-resistant diabetes. In this study, we asked whether beta cell dedifferentiation can be prevented with diet or pharmacological treatment of diabetes...
May 15, 2017: Diabetes
https://www.readbyqxmd.com/read/28505395/claudin-peptidomimetics-modulate-tissue-barriers-for-enhanced-drug-delivery
#18
Sophie Dithmer, Christian Staat, Carolin Müller, Min-Chi Ku, Andreas Pohlmann, Thoralf Niendorf, Nora Gehne, Petra Fallier-Becker, Ágnes Kittel, Fruzsina R Walter, Szilvia Veszelka, Maria A Deli, Rosel Blasig, Reiner F Haseloff, Ingolf E Blasig, Lars Winkler
The blood-brain barrier (BBB) formed by the microvascular endothelium limits cerebral drug delivery. The paraendothelial cleft is sealed by tight junctions (TJs) with a major contribution from claudin-5, which we selected as a target to modulate BBB permeability. For this purpose, drug-enhancer peptides were designed based on the first extracellular loop (ECL) of claudin-5 to allow transient BBB permeabilization. Peptidomimetics (C5C2 and derivatives, nanomolar affinity to claudin-5) size-selectively (≤40 kDa) and reversibly (12-48 h) increased the permeability of brain endothelial and claudin-5-transfected epithelial cell monolayers...
May 15, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28505080/first-insights-into-human-fingertip-regeneration-by-echo-doppler-imaging-and-wound-microenvironment-assessment
#19
Paris Jafari, Camillo Muller, Anthony Grognuz, Lee Ann Applegate, Wassim Raffoul, Pietro G di Summa, Sébastien Durand
Fingertip response to trauma represents a fascinating example of tissue regeneration. Regeneration derives from proliferative mesenchymal cells (blastema) that subsequently differentiate into soft and skeletal tissues. Clinically, conservative treatment of the amputated fingertip under occlusive dressing can shift the response to tissue loss from a wound repair process towards regeneration. When analyzing by Immunoassay the wound exudate from occlusive dressings, the concentrations of brain-derived neurotrophic factor (BDNF) and leukemia inhibitory factor (LIF) were higher in fingertip exudates than in burn wounds (used as controls for wound repair versus regeneration)...
May 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28504695/epigenetic-pathway-inhibitors-represent-potential-drugs-for-treating-pancreatic-and-bronchial-neuroendocrine-tumors
#20
K E Lines, M Stevenson, P Filippakopoulos, S Müller, H E Lockstone, B Wright, S Grozinsky-Glasberg, A B Grossman, S Knapp, D Buck, C Bountra, R V Thakker
Cancer is associated with alterations in epigenetic mechanisms such as histone modifications and methylation of DNA, and inhibitors targeting epigenetic mechanisms represent a novel class of anti-cancer drugs. Neuroendocrine tumors (NETs) of the pancreas (PNETs) and bronchus (BNETs), which may have 5-year survivals of <50% and as low as 5%, respectively, represent targets for such drugs, as >40% of PNETs and ~35% of BNETs have mutations of the multiple endocrine neoplasia type 1 (MEN1) gene, which encodes menin that modifies histones by interacting with histone methyltransferases...
May 15, 2017: Oncogenesis
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