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| Author | : Erik H.J. Danen |
| Publisher | : CRC Press |
| Total Pages | : 234 |
| Release | : 2006-05-12 |
| Genre | : Science |
| ISBN | : 1498712983 |
Cell adhesion is essential for the organization of multicellular organisms. Indeed, various types of cell adhesion receptors, including cadherins and integrins, are present in animals ranging from nematodes and insects to vertebrates. In this book, we focus on the integrin family, which is shared among all metazoans, but has expanded considerably w
| Author | : |
| Publisher | : Elsevier |
| Total Pages | : 297 |
| Release | : 2012-12-02 |
| Genre | : Science |
| ISBN | : 0080917291 |
Integrins: Molecular and Biological Responses to the Extracellular Matrix will help basic, applied, and clinical researchers keep up with the explosion of literature on the integrin family of proteins. This volume extends material previously covered in Receptors for Extracellular Matrix. It addresses some of the most exciting areas of integrin biology, including the varied roles of integrins in cell division, differentiation, movement, wound healing, inflammation, thrombosis, osteoporosis, and cancer. Describes key aspects of integrin structure, function, and biology Covers collagen receptors, epithelial cell integrins, leukocyte integrins, platelet integrins, integrin signaling, and integrin antagonists Investigates the expression and role of integrins during development and in the cytoskeleton Includes the actions and influences of integrins in inflammation, thrombosis, and osteoporosis
| Author | : Andrea Becchetti |
| Publisher | : Springer |
| Total Pages | : 0 |
| Release | : 2012-05-27 |
| Genre | : Medical |
| ISBN | : 9781461425830 |
Interdisciplinarity is more often invoked than practised. This is hardly surprising, considering the daunting vastness of modern biology. To reach a satisfactory understanding of a complex biological system, a wide spectrum of conceptual and experimental tools must be applied at different levels, from the molecular to the cellular, tissue and organismic. We believe the multifaceted regulatory interplay between integrin receptors and ion channels offers a rich and challenging field for researchers seeking broad biological perspectives. By mediating cell adhesion to the extracellular matrix, integrins regulate many developmental processes in the widest sense (from cell choice between differentiation and proliferation, to tissue remodeling and organogenesis). Rapidly growing evidence shows that frequent communication takes place between cell adhesion receptors and channel proteins. This may occur through formation of multiprotein membrane complexes that regulate ion fluxes as well as a variety of intracellular signaling pathways. In other cases, cross talk is more indirect and mediated by cellular messengers such as G proteins. These interactions are reciprocal, in that ion channel stimulation often controls integrin activation or expression. From a functional standpoint, studying the interplay between integrin receptors and ion channels clarifies how the extracellular matrix regulates processes as disparate as muscle excitability, synaptic plasticity and lymphocyte activation, just to mention a few. The derangement of these processes has many implications for pathogenesis processes, in particular for tumor invasiveness and some cardiovascular and neurologic diseases. This book provides a general introduction to the problems and methods of this blossoming field.
| Author | : Asha Shekaran |
| Publisher | : |
| Total Pages | : |
| Release | : 2013 |
| Genre | : Biocolloids |
| ISBN | : |
Healing large bone defects remains a clinical challenge. While autografts are the gold standard treatment for large bone defects, they are limited by availability and donor site pain. Growth factor treatments such as BMP therapy provide a promising alternative but are expensive and present clinical safety concerns, primarily due to delivery of BMPs at supraphysiological doses. Integrins are ECM receptors which mediate crucial cell functions such as adhesion and differentiation. Therefore, understanding the role of integrins in bone formation and directing desired interactions may enable modulation of host cell functions for therapeutic applications. In this work, beta 1 integrins were deleted in osteolineage cells of transgenic mice at three different stages of differentiation to elucidate their role in bone development. We also engineered bioartificial PEG-based matrices which target the pro-osteogenic alpha 2 beta 1 integrin to promote bone healing. Conditional deletion of beta 1 integrins in osteochondroprogenitor cells under the Twist 2 promoter resulted in severe pre-natal skeletal mineralization defects and embryonic lethality. Targeted deletion of beta 1 integrins in osterix-expressing osteoprogenitors resulted in growth abnormalities, reduced calvarial mineralization, impaired femur development, and tooth defects. However, mice lacking beta 1 integrins in osteocalcin-expressing osteoblasts and osteocytes displayed only a mild skeletal phenotype, indicating that beta 1 integrins play an important role in early skeletal development, but are not required for mature osteoblast function. PEG hydrogels functionalized with the integrin-specific GFOGER ligand enhanced bone regeneration, induced defect bridging in combination with low doses of rhBMP-2 and stimulated improved bone healing compared collagen sponges, which are the clinical standard delivery vector for BMP-2 therapy. These results suggest that treatment with bioartificial integrin-specific PEG hydrogels may be a promising clinical strategy for bone regeneration in large bone defects.
| Author | : Markus J. Seibel |
| Publisher | : Elsevier |
| Total Pages | : 945 |
| Release | : 2006-07-24 |
| Genre | : Medical |
| ISBN | : 008045626X |
This updated edition is a comprehensive treatise that spans the complete range of basic biochemistry of bone and cartilage components to the clinical evaluation of disease markers in bone and joint disorders. With contributions from over 75 international experts, Dynamics of Bone and Cartilage Metabolism, Second Edition, is indispensable reading for those involved in skeletal research as well as for rheumatologists, endocrinologists, clinical biochemists, and other clinical disciplines participating in the management of patients with bone and cartilage diseases. - Part I provides an up-to-date account of current knowledge of the structure, biosynthesis and molecular biology of the major tissue components - Part II covers the organizational structure and cellular metabolism of bone and cartilage - Part III deals with the utility of components specific to bone and cartilage as biomarkers of health and disease
| Author | : Yoshikazu Takada |
| Publisher | : CRC Press |
| Total Pages | : 550 |
| Release | : 2017-11-22 |
| Genre | : Medical |
| ISBN | : 1351361252 |
* the structure and functions of integrin cytoplasmic domains * the role of b2 integrins in leukocyte adhesion * the role of platelet membrane fibrinogen receptor glycoprotein IIb-IIIa (aIIbb3) in thrombosis and hemostasis * the functions of aV integrin family * the role of integrins in signal transduction
| Author | : Andre Kamkin |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 390 |
| Release | : 2007-10-06 |
| Genre | : Science |
| ISBN | : 1402064268 |
This book explores the latest data dealing with mechanosensitive channels research results. It was compiled by a group of internationally recognized scientists leading in the field of mechanosensitive ion channels or mechanically gated channels and signaling cascades research. Key problems of cell mechanobiology are also discussed. As a whole, the volume dwells on the major issues of mechanical stress influencing the ion channels and intracellular signaling pathways.
| Author | : Donald Gullberg |
| Publisher | : Springer |
| Total Pages | : 188 |
| Release | : 2014-07-14 |
| Genre | : Medical |
| ISBN | : 9401791538 |
The integrin family is composed of 24 members and approximately ten years ago (2003) we published a book devoted to the nine I domain integrin subunits. In this second edition, I am pleased that most of the original authors have been able to contribute to the updated version. I domain containing integrins include collagen receptors and leukocyte receptors. In 2003 the knockout mouse phenotypes for all of the I domain integrins had not yet been published; they are now, and are summarized and discussed in this edition. Interestingly, a recent 10 integrin mutation in dogs has indicated that collagen-binding integrins in the musculoskeletal system might have much more severe phenotypes in larger animals/humans compared to the mild integrin phenotypes observed in collagen-binding integrin deficient mice. This finding is further discussed in the book. In the cancer field, the microenvironment is taking center stage, and here collagen receptors on fibroblasts are predicted to play important roles in paracrine signaling, in regulating tissue stiffness and matrix remodeling. New technologies, new mouse models in combination with analyses of I integrins in larger animals/humans are thus predicted to increase our knowledge about this group of receptors. With this in mind we look forward to another 10 years of research with I domain integrins.
