نتایج جستجو برای Integrin

تعداد نتایج: 14465  

1998
Xin Wu, Jon E. Mogford, Steven H. Platts, George E. Davis, Gerald A. Meininger, Michael J. Davis,

Vasoactive effects of soluble matrix proteins and integrin-binding peptides on arterioles are mediated by a v b 3 and a 5 b 1 integrins. To examine the underlying mechanisms, we measured L-type Ca 2 1 channel current in arteriolar smooth muscle cells in response to integrin ligands. Whole-cell, inward Ba 2 1 currents were inhibited after application of soluble cyclic RGD peptide, vitronectin (V...

2012
Christine Lawson, David D. Schlaepfer,

Cell migration requires the coordination of adhesion site assembly and turnover. Canonical models for nascent adhesion formation postulate that integrin binding to extracellular matrix (ECM) proteins results in the rapid recruitment of cytoskeletal proteins such as talin and paxillin to integrin cytoplasmic domains. It is thought that integrin-talin clusters recruit and activate tyrosine kinase...

2001
Mark H. Ginsberg,

Integrins are cell surface adhesion receptors that participate in a variety of important processes throughout the vasculature. Here we summarize some recent findings on the regulation of integrin mediated cellular adhesion. Particular emphasis is placed on the regulation of integrin affinity for ligand (activation), although this is just one mechanism by which regulation of integrin-dependent c...

Journal: :Journal of cell science 2006
Teijo Pellinen, Johanna Ivaska,

Cell adhesion, migration and the maintenance of cell polarity are all processes that depend on the correct targeting of integrins and the dynamic remodelling of integrin-containing adhesion sites. The importance of the endo/exocytic cycle of integrins as a key regulator of these functions is increasingly recognized. Several recent publications have provided mechanistic insight into how integrin...

2009
Shigenori Honda, Hiroko Shirotani-Ikejima, Seiji Tadokoro, Yusuke Maeda, Taroh Kinoshita, Yoshiaki Tomiyama, Toshiyuki Miyata,

Platelet integrin IIb 3 activation is tightly controlled by intracellular signaling pathways, and several molecules, including talin, have been identified as critical for IIb 3 activation. However, the whole pathway associated with IIb 3 activation remains to be determined. To address this issue, we established a Chinese hamster ovary cell line (parental cells) that expresses constitutively act...

Journal: :Arteriosclerosis, thrombosis, and vascular biology 2015
Brian Estevez, Bo Shen, Xiaoping Du,

The critical roles of integrins in thrombosis have enabled the successful development and clinical use of the first generation of integrin antagonists as represented by abciximab (Reopro), eptifibatide (Integrilin), and tirofiban (Aggrastat). These integrin αIIbβ3 antagonists are not only potent antithrombotics but also have significant side effects. In particular, their induction of ligand-ind...

2012
Nina Rintanen, Mikko Karjalainen, Jonna Alanko, Lassi Paavolainen, Anita Mäki, Liisa Nissinen, Moona Lehkonen, Katri Kallio, R. Holland Cheng, Paula Upla, Johanna Ivaska, Varpu Marjomäki,

Collagen receptor integrins recycle between the plasma membrane and endosomes and facilitate formation and turnover of focal adhesions. In contrast, clustering of α2β1 integrin with antibodies or the human pathogen echovirus 1 (EV1) causes redistribution of α2 integrin to perinuclear multivesicular bodies, α2-MVBs. We show here that the internalized clustered α2 integrin remains in α2-MVBs and ...

Jagat Kumar Roy, Tanmay Bhuin ,

In eukaryotes, vesicle trafficking is regulated by the small monomeric GTPases of the Rab protein family. Rab11, (a subfamily of the Ypt/Rab gene family) an evolutionarily conserved, ubiquitously expressed subfamily of small monomeric Rab GTPases, has been implicated in regulating vesicular trafficking through the recycling of endosomal compartment. In an earlier communication, we have shown th...

2013
Jan Herter, Alexander Zarbock,

Journal: :Frontiers in bioscience : a journal and virtual library 1998
M Moroi, S M Jung,

Adhesion of platelets to the damaged subendothelium is a prerequisite reaction for the initiation of hemostasis in vivo. Platelet membranes contain high concentrations of integrins and other glycoproteins (GPs) that are involved in the platelet adhesion to the extracellular matrix. In the present review, we focus on two platelet integrins, integrin alphaIIb beta3 (GPIIb/IIIa) and integrin alpha...

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