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Author : Charles C. Caldwell
Publisher :
ISBN 13 :
Total Pages : 270 pages
Book Rating : 4.:/5 (318 download)
Download or read book Properties of Avian Ecto-ATPases written by Charles C. Caldwell and published by . This book was released on 1998 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 234 pages
Book Rating : 4.:/5 (941 download)
Download or read book Properties of Avian Ecto-ATPases written by and published by . This book was released on 1998 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: Avian plasma membranes contain plasma membrane-bound ecto-ATPases which hydrolyze ATP in an extracellular cascade eventually producing adenosine and inorganic phosphate. Ecto-ATPases are distinct from other ATPases in that they are known to be insensitive to vanadate, oligomycin, and N-ethyl maleimide, known inhibitors of the P-, F-, and V-type ATPases, respectively. Studies conducted on chicken ecto-ATPases from cardiac and smooth muscle and liver show a variety of differing kinetic properties. The results of which suggest that although each enzyme hydrolyses extracellular ATP, they should each be viewed as distinct subtypes of the whole ecto-ATPase family. Kinetic and immunochemical studies focusing on ATPase and ADPase activities of both liver and smooth muscle tissues showed a number of tissue-dependent responses. These data suggested that in smooth muscle membranes an ecto-ATPase is responsible for the majority of ATPase activity, while a putative non-specific ADP hydrolase is responsible for the majority of ADPase activity. The data also indicate there exists an ecto-ATPDase which is responsible for a small fraction of both activities. In liver membranes, the results indicate that there exists an ecto-ATPDase which catalyzes the majority of ATPase and ADPase activities and the possible existence of an ecto-ATPase and the putative non-specific ADP hydrolase, which account for the very small fraction of both activities. A model incorporating the nucleotidase activities on both membranes will be presented and discussed. Extensive kinetic characterization of the smooth muscle ecto-ATPase provided evidence that this enzyme in chicken smooth muscle membranes is influenced by oligomerization. Molecules which shift the monomer $\leftrightarrow$ oligomer equilibrium to the left are inhibitors, while molecules which shift the monomer $\leftrightarrow$ oligomer equilibrium to the right are activators. The possible physiological implication of this model with cellular adhesion will be discussed.
Author : Charles Curtis Caldwell 1998
Publisher :
ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.E/5 ( download)
Download or read book Properties of Avian Ecto-ATPases written by Charles Curtis Caldwell 1998 and published by . This book was released on 1998 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Liselotte Plesner
Publisher : Springer Science & Business Media
ISBN 13 : 1461559553
Total Pages : 286 pages
Book Rating : 4.4/5 (615 download)
Download or read book Ecto-ATPases written by Liselotte Plesner and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the First International Workshop held in Mar de Plata, Argentina, August 26-30, 1996
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Publisher : Academic Press
ISBN 13 : 0080856969
Total Pages : 360 pages
Book Rating : 4.0/5 (88 download)
Download or read book International Review of Cytology written by and published by Academic Press. This book was released on 1995-05-12 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: International Review of Cytology presents current advances and comprehensive reviews in cell biology-both plant and animal. Articles address structure and control of gene expression, nucleocytoplasmic interactions, control of cell development and differentiation, and cell transformation and growth. Authored by some of the foremost scientists in the field, each volume provides up-to-date information and directions for future research.
Author : Stephen Curtis Hornyak
Publisher :
ISBN 13 :
Total Pages : 146 pages
Book Rating : 4.:/5 (432 download)
Download or read book Effects of Group Modifying Reagents on Putative Regulatory Sites of Avian Smooth Muscle Ecto-atpase written by Stephen Curtis Hornyak and published by . This book was released on 1999 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Georg W. Kreutzberg
Publisher : Springer Science & Business Media
ISBN 13 : 3642706649
Total Pages : 313 pages
Book Rating : 4.6/5 (427 download)
Download or read book Cellular Biology of Ectoenzymes written by Georg W. Kreutzberg and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cells do not normally live as single entities but are grouped together in specific functional and structural configurations in various tissues. Intra cellular mechanisms maintain cellular viability and provide the means necessary for their specific cellular functions. The interaction between cells is maintained by mechanisms involving extracellular signalling. Such extracellular mechanisms may include special properties of the cell surface which involve immediate cell contact, but may also represent mechanisms which act at a distance and are mediated via special secretions and/or re ceptors. Recent studies on cell-cell contact have tended to stress cell sur face components directly mediating cellular interactions; the extracellular medium as a metabolically active compartment has been rather neglected. However, it represents a vital medium through which cells communicate, being important in, for example, chemotaxis in primitive organisms, and in devel~ment and in the coordination of multiple functions in multi cellular 0 ganisms. It is not surprising, therefore, that a number of mole cular me anisms have developed together with increasing biological complexi during evolution. Two aspects of the extracellular space have received increasing attention in the last few years. First, several macro molecules such as collagen, laminin and fibronectin have been identified as components of an extracellular matrix giving a structural dimension to the extracellular compartment.
Author : David Paton
Publisher : Springer Science & Business Media
ISBN 13 : 1468448862
Total Pages : 385 pages
Book Rating : 4.4/5 (684 download)
Download or read book Methods Used in Adenosine Research written by David Paton and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: In their classic paper in 1929, Drury and Szent-Gyorgyi described a number of the important cardiovascular actions of adenosine. Another thirty years were to pass before the possible physiological role of adenosine in coronary vasodilation was studied by Berne and others. Since then, there has been a tremendous increase in research into the actions of adenosine. Workers from many disciplines have employed a wide variety of techniques, since adenosine is a product of and a substrate for a number of metabolic pathways, is transported into cells, and acts at discrete receptor sites to modulate the activity of adenylate cyclase and to produce important actions on many cells and tissues including platelets, adipo cytes, heart, blood vessels, and other smooth muscles. International symposia on the actions of adenosine were held in 1978, 1981, and 1982, and the proceedings of these symposia have been published (Baer and Drummond, 1979; Daly et at., 1983; Berne et at., 1983). Since it is not the primary purpose of the present volume to review our current understanding of the nu merous actions of adenosine, these volumes should be consulted for such details. Rather, the present volume has been planned to provide both graduate students and investigators in pharmacology and related disciplines with a summary of some of the methods now available for the study of the actions of adenosine and, in particular, to highlight their possible uses and limitations.
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ISBN 13 :
Total Pages : 1212 pages
Book Rating : 4.:/5 (3 download)
Download or read book Research Awards Index written by and published by . This book was released on 1982 with total page 1212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1828 pages
Book Rating : 4.3/5 (243 download)
Download or read book Cumulated Index Medicus written by and published by . This book was released on 2000 with total page 1828 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Arnold Schwartz
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ISBN 13 :
Total Pages : 408 pages
Book Rating : 4.3/5 (91 download)
Download or read book Methods in Pharmacology written by Arnold Schwartz and published by . This book was released on 1971 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 822 pages
Book Rating : 4.:/5 (44 download)
Download or read book Excerpta Medica written by and published by . This book was released on 1984 with total page 822 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Total Pages : 784 pages
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Download or read book American Doctoral Dissertations written by and published by . This book was released on 1998 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Publisher : Academic Press
ISBN 13 : 0080857183
Total Pages : 445 pages
Book Rating : 4.0/5 (88 download)
Download or read book Cumulative Subject Index written by and published by Academic Press. This book was released on 1997-12-10 with total page 445 pages. Available in PDF, EPUB and Kindle. Book excerpt: International Review of Cytology presents current advances and comprehensive reviews in cell biology-both plant and animal. Articles address structure and control of gene expression, nucleocytoplasmic interactions, control of cell development and differentiation, and cell transformation and growth. Authored by some of the foremost scientists in the field, each volume provides up-to-date information and directions for future research.
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ISBN 13 :
Total Pages : 1304 pages
Book Rating : 4.3/5 (2 download)
Download or read book IBZ written by and published by . This book was released on 1980 with total page 1304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 762 pages
Book Rating : 4.:/5 (31 download)
Download or read book Indian Journal of Biochemistry and Biophysics written by and published by . This book was released on 1981 with total page 762 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 740 pages
Book Rating : 4.:/5 (318 download)
Download or read book Indian Journal of Biochemistry & Biophysics written by and published by . This book was released on 1981 with total page 740 pages. Available in PDF, EPUB and Kindle. Book excerpt:
