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Author: Bouzakri Karim
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
A new positive component of skeletal muscle secretome impact on beta cells and prevent TNF-alpha and cytomix effect on beta cells.Karim Bouzakri, Julien Cherfan, Harzo Hamdard, Carole Mura, Claude Peronet, and Michel Pinget.UMR DIATHEC, EA 7294, Centre Europu00e9en du2019Etude du Diabu00e8te, Universitu00e9 de Strasbourg (UdS), Boulevard Renu00e9 Leriche 67200 Strasbourg, FranceBackground and aims: Inter-organ crosstalk including possible communication between skeletal muscle and beta cells is an important component of normal physiology that may contribute towards the pathophysiology of type 2 diabetes. Indeed, skeletal muscle cells secrete different sets of soluble proteins (myokines) which could act positively or negatively (in health and disease respectively) on the function of distant tissues including pancreatic islets. We have observed that conditioned medium from skeletal muscle of healthy individuals has positive effects on beta cell function. A new myokine, was identified as a cytokine regulated by muscle fiber type. The major aim of this study was to explore the impact of our new myokine (Myo X) on primary sorted beta cells under control conditions and after exposure to TNF-u03b1 or insulin resistance condition medium from skeletal muscle cells.Materials and methods: All studies were performed using sorted rat primary beta cells and human islets exposed to Myo X for 24h. Glucose-stimulated insulin secretion (GSIS) and glucagon secretion was measured by radioimmunoassay and ELISA after 1h at 2.8 mmol/l and/or 1h at 16.7mmol/l glucose. Cell death and proliferation were measured by TUNEL assay and BrdU incorporation respectively. To study the potential beneficial/protective effects of our myokine, beta cells were exposed to it for 24h alone or with addition 20 ng/ml TNF-u03b1 alone or insulin resistance condition medium from skeletal muscle cells. Data are mean u00b1 SE for 5-8 independent experiments.Results: Myo X treatment of rat primary beta cells and human islets for 24h increased GSIS (control: 12.4 u00b1 3.2% content/h; 1u00b5g/ml Myo X: 15.08 u00b1 3.8%*; 10 u00b5g/ml Myo X: 14.1 u00b1 1.8%*; *p
Author: Bouzakri Karim
Publisher:
ISBN:
Category :
Languages : en
Pages :
Get Book Here
Book Description
A new positive component of skeletal muscle secretome impact on beta cells and prevent TNF-alpha and cytomix effect on beta cells.Karim Bouzakri, Julien Cherfan, Harzo Hamdard, Carole Mura, Claude Peronet, and Michel Pinget.UMR DIATHEC, EA 7294, Centre Europu00e9en du2019Etude du Diabu00e8te, Universitu00e9 de Strasbourg (UdS), Boulevard Renu00e9 Leriche 67200 Strasbourg, FranceBackground and aims: Inter-organ crosstalk including possible communication between skeletal muscle and beta cells is an important component of normal physiology that may contribute towards the pathophysiology of type 2 diabetes. Indeed, skeletal muscle cells secrete different sets of soluble proteins (myokines) which could act positively or negatively (in health and disease respectively) on the function of distant tissues including pancreatic islets. We have observed that conditioned medium from skeletal muscle of healthy individuals has positive effects on beta cell function. A new myokine, was identified as a cytokine regulated by muscle fiber type. The major aim of this study was to explore the impact of our new myokine (Myo X) on primary sorted beta cells under control conditions and after exposure to TNF-u03b1 or insulin resistance condition medium from skeletal muscle cells.Materials and methods: All studies were performed using sorted rat primary beta cells and human islets exposed to Myo X for 24h. Glucose-stimulated insulin secretion (GSIS) and glucagon secretion was measured by radioimmunoassay and ELISA after 1h at 2.8 mmol/l and/or 1h at 16.7mmol/l glucose. Cell death and proliferation were measured by TUNEL assay and BrdU incorporation respectively. To study the potential beneficial/protective effects of our myokine, beta cells were exposed to it for 24h alone or with addition 20 ng/ml TNF-u03b1 alone or insulin resistance condition medium from skeletal muscle cells. Data are mean u00b1 SE for 5-8 independent experiments.Results: Myo X treatment of rat primary beta cells and human islets for 24h increased GSIS (control: 12.4 u00b1 3.2% content/h; 1u00b5g/ml Myo X: 15.08 u00b1 3.8%*; 10 u00b5g/ml Myo X: 14.1 u00b1 1.8%*; *p
Author: Davide Chiumello
Publisher: Springer
ISBN: 3319418521
Category : Medical
Languages : en
Pages : 354
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Book Description
This book covers all clinical aspects of acute respiratory distress syndrome (ARDS), from definition to treatment, focusing on the more recent recommendations and evidence-based medicine. The addressed topics are the various ventilation strategies, the impact of prone positioning, the use of partial and total extracorporeal support, the value of vasodilators, the weaning from mechanical ventilation, the pharmacological interventions, noninvasive ventilation, and the strategies using anti-inflammatory agents and stem cells. Furthermore, different related topics are also discussed, such as lung imaging, sedation, metabolic support, and hemodynamic instability. A concluding chapter specifically addresses ARDS in children. This up-to-date volume, written by experts in the field, will be of value for all health care practitioners seeking state of the art on the management of patients with this complex syndrome.
Author:
Publisher: Academic Press
ISBN: 0128125071
Category : Science
Languages : en
Pages : 150
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Book Description
CRISPR in Animals and Animal Models, Volume 152, the latest release in the Progress in Molecular Biology and Translational Science series, explores the genome editing CRISPR system in cells and animal models, its applications, the uses of the CRISPR system, and the past, present and future of CRISPR genome editing. Topics of interest in this updated volume include a section on CRISPR history, The genome editing revolution, Programming CRISPR and its applications, CRISPR Delivery methods, CRISPR libraries and screening, CRISPR investigation in haploid cells, CRISPR in the generation of transgenic animals, CRISPR therapeutics, and Promising strategies and present challenges. Accessible to students and researchers alike Written by leading authorities in the field
Author: Tariq Mughal
Publisher: CRC Press
ISBN: 9780415415989
Category : Medical
Languages : en
Pages : 0
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Book Description
With the new classification of chronic myeloproliferative disorders, and the rise of interest in molecularly targeted therapies, this timely text brings together international experts on the topic to discuss the current technologies and their implications for the treatment of patients. This title comprehensively covers chronic myeloid leukemia and Ph-negative chronic myeloproliferative disorders and is an essential resource for all practitioners in Hematologic Oncology.
Author: Th Büchner
Publisher:
ISBN:
Category : Medical
Languages : en
Pages : 812
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Book Description
Communication systems are now ubiquitous and making them more intelligent remains very challenging. The IFIP International Conference on Intelligence in Communication Systems is an effort to bring together researchers and practitioners who represent the latest developments in this area. This volume contains selected papers from the conference in the following focus areas: ad hoc networks / hybrid networks / WLAN; security, privacy and consumer protection; adaptive architectures and protocols; flexible QoS and QoS management; flexible service specification, validation, searching and querying; service composition and Web services; personal, terminal and node mobility; programmable and active networks.
Author: John A. Pearce
Publisher:
ISBN: 9781259252952
Category : Strategic planning
Languages : en
Pages : 0
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Book Description
Contemporary research in strategic management, with an emphasis on conceptual tools and skills created by scholars and practitioners in the field.
