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Topic: Cytoskeleton



  
 Direct Observations of the Mechanical Behaviors of the Cytoskeleton in Living Fibroblasts -- Heidemann et al. 145 (1): ...
of the cytoskeleton and its interconnections in response to a
we observed that the actin cytoskeleton of the peripheral cytoplasm
Direct Observations of the Mechanical Behaviors of the Cytoskeleton in Living Fibroblasts
http://www.jcb.org/cgi/content/full/145/1/109   (7187 words)

  
 Integrin-dependent interaction of lipid rafts with the actin cytoskeleton in activated human platelets -- Bodin et al. ...
The major phospholipid and cholesterol composition of isolated cytoskeleton was analyzed as described in the Methods.
with the cytoskeleton paralleled the aggregation process, was
Results shown are the means of two independent experiments.
http://jcs.biologists.org/cgi/content/full/118/4/759   (6303 words)

  
 The Cytoskeleton and Cell Signaling: Component Localization and Mechanical Coupling -- JANMEY 78 (3): 763 -- ...
C TRUMEL, P. Reversible translocation of phosphoinositide 3-kinase to the cytoskeleton of ADP-aggregated human phosphatidylinositol (3,4)-bisphosphate.
channels in the endoplasmic reticulum mediated by the cytoskeleton
such changes as regulation of kinases sequestered at the cytoskeleton
http://physrev.physiology.org/cgi/content/full/78/3/763   (7091 words)

  
 Rap1B and Rap2B Translocation to the Cytoskeleton by von Willebrand Factor Involves Fcgamma II Receptor-mediated ...
to the cytoskeleton was investigated by immunoblotting experiments,
translocated to the cytoskeleton upon stimulation with vWF, and
By contrast, Rap1B and Rap2B did not associate with the
http://www.jbc.org/cgi/content/full/274/19/13690   (5726 words)

  
 Arginine induced acute pancreatitis alters the actin cytoskeleton and increases heat shock protein expression in rat ...
A role for the p38 mitogen-activated protein kinase/Hsp27 pathway in cholecystokinin-induced changes in the actin cytoskeleton in rat pancreatic acini.
and its phosphorylation results in changes in the actin cytoskeleton.
Therefore, HSP27 mediated stabilisation of microfilaments is thought
http://gut.bmjjournals.com/cgi/content/full/49/2/241   (5912 words)

  
 :::: Cytoskeleton / CRP-Santé ::::
A particular emphasis was given to integrative, interdisciplinary aspects of cytoskeleton research bringing together molecular cell biologists, biochemists, physicists and medical researchers.
Progress in cytoskeleton research in the European area can only be achieved through a multidisciplinary approach.
Breaking boundaries in the cytoskeleton research field will allow further development of innovative, interdisciplinary approaches to unravel the biological and biophysical properties of the cytoskeleton systems.
http://cytoskeleton.crp-sante.lu/home.php   (549 words)

  
 New Views on the Plant Cytoskeleton -- Wasteneys and Yang 136 (4): 3884 -- PLANT PHYSIOLOGY
new roles for the cytoskeleton in fundamental and plant-specific
New Views on the Plant Cytoskeleton -- Wasteneys and Yang 136 (4): 3884 -- PLANT PHYSIOLOGY
the cytoskeleton in plants (Fu and Yang, 2001
http://www.plantphysiol.org/cgi/content/full/136/4/3884   (4706 words)

  
 Cytoskeleton-Plasma Membrane-Cell Wall Continuum in Plants. Emerging Links Revisited -- Baluska et al. 133 (2): 482 -- ...
interactions between pectins, boron, and the cytoskeleton are
), affects the cytoskeleton (Sivaguru et al., 1999
This situation might be surprising in the face of rather
http://www.plantphysiol.org/cgi/content/full/133/2/482   (5264 words)

  
 Cyclase-associated proteins: CAPacity for linking signal transduction and actin polymerization -- HUBBERSTEY and ...
of which result in changes in the actin cytoskeleton.
from specific pathways to elements of the cytoskeleton is just
link between the actin cytoskeleton and endocytosis by its interaction
http://www.fasebj.org/cgi/content/full/16/6/487   (7751 words)

  
 Alibris: cytoskeleton
Developing organisms are systems in which the geometry, dynamics, and boundary conditions are all changing in the course of morphogenesis.
This volume provides techniques for investigating the integration of cytoskeleton structure and function.
This book provides descriptions of experimental methods in research on the cytoskeleton and its relationships to signaling and cell regulation.
http://www.alibris.com/search/books/subject/cytoskeleton   (815 words)

  
 Re: How are the activities of the cytoskeleton controlled and coordinated??
The reason for this rather long introduction is to point out the rather vast set of functions the cytoskeleton has and how its 'regulation' could affect a variety of cellular functions.
I'll have to give you a little of the current thinking in the field, by no means has this been completely verified.
Regulation of the cytoskeleton, however, is thought to be due to four major molecular paradigms.
http://www.madsci.org/posts/archives/dec98/913251016.Cb.r.html   (810 words)

  
 The Cytoskeleton as a Regulator and Target of Biotic Interactions in Plants -- Takemoto and Hardham 136 (4): 3864 -- ...
Both changes to the microtubular cytoskeleton in Arabidopsis
In contrast to the plant-microbe interactions described in preceding
plant cytoskeleton during the development of the symbiotic relationship.
http://www.plantphysiol.org/cgi/content/full/136/4/3864   (6874 words)

  
 Regulated Actin Cytoskeleton Assembly at Filopodium Tips Controls Their Extension and Retraction -- Mallavarapu and ...
how the dynamic behavior of the actin cytoskeleton is regulated
that different pathways may control cytoskeleton assembly and
We also found a smaller number of examples in which changes
http://www.jcb.org/cgi/content/full/146/5/1097   (5920 words)

  
 Activation of either ERK1/2 or ERK5 MAP kinase pathways can lead to disruption of the actin cytoskeleton -- Barros and ...
Activation of either ERK1/2 or ERK5 MAP kinase pathways can lead to disruption of the actin cytoskeleton
Our results suggest that multiple MAP kinase pathways
Inhibition of both the ERK1/2 and ERK5 pathways is required to restore the cytoskeleton in Src-transformed cells.
http://jcs.biologists.org/cgi/content/full/118/8/1663   (5405 words)

  
 SparkNotes: Intracellular Components: The Cytoskeleton and Cytosol
The cytoskeleton is responsible for mediating these changes.
Both structures, the cytoskeleton and cytosol, are "filler" structures that do not contain essential biological molecules but perform structural functions within a cell.
The cytoskeleton and cytosol are structural elements that help provide the cell with its structure.
http://www.sparknotes.com/biology/cellstructure/intracellularcomponents/section1.html   (657 words)

  
 Biological Sciences 2MCD Lectures 31-36
In this lecture series the emphasis is placed on understanding the structure and function of the cytoskeleton.
The role of the cytoskeleton in different organisms will be discussed and the structure and function of related specialised structures - cilia and flagella – described.
You should have developed a clear understanding of both the structure and function of the different cytoskeletal elements.
http://www.bi.umist.ac.uk/users/mjfssdaj/2MCD/default.htm   (889 words)

  
 Cytoskeleton
This instability is critical for the functions associated with microtubules.
One function of the cytoskeleton is the movement of organelles within the cell.
The framework of cytoskeleton is essentially stationary in this movement...the organelles move along the fiber.
http://koning.ecsu.ctstateu.edu/Plant_Physiology/cytoskeleton.html   (919 words)

  
 Dictyostelium Stress-activated Protein Kinase {alpha}, a Novel Stress-activated Mitogen-activated Protein Kinase Kinase ...
cytoskeleton reorganization through the p38 MAPK pathway and
these processes, the actin cytoskeleton is dynamically changed,
may be important for a normal actin cytoskeleton.
http://www.molbiolcell.org/cgi/content/full/14/11/4526   (6914 words)

  
 cytoskeleton - OneLook Dictionary Search
Cytoskeleton : Drug Discovery and Development [home, info]
cytoskeleton : The On-line Medical Dictionary [home, info]
cytoskeleton : Dorland's Illustrated Medical Dictionary [home, info]
http://www.onelook.com/?w=cytoskeleton   (167 words)

  
 Altered membrane-cytoskeleton linkage and membrane blebbing in energy-depleted renal proximal tubular cells -- Chen and ...
After incubation under control conditions or energy depletion
The membrane-cytoskeleton binding force was measured by using the laser tweezer technique (12, 23, 27).
from the peripheral cytoskeleton to a perinuclear/nuclear complex.
http://ajprenal.physiology.org/cgi/content/full/280/4/F619   (4916 words)

  
 Tropomodulin and Tropomyosin Mediate Lens Cell Actin Cytoskeleton Reorganization In Vitro -- Fischer et al. 41 (1): 166 ...
expressed was associated with the cytoskeleton, because Triton
Hall, A. (1998) Rho GTPases and the actin cytoskeleton Science 279,509-514
organization of F-actin changes from an epithelial-type cytoskeleton
http://www.iovs.org/cgi/content/full/41/1/166   (5535 words)

  
 nature supplement: cytoskeleton
As always, Nature retains sole responsibility for editorial content and peer review.
This Insight examines many different facets of the cytoskeleton, reviewing the basic principles of filament organization, the operation of motor proteins and the role of the cytoskeleton in key biological processes.
Although significant progress has been made in understanding the cytoskeleton there is much still to be learnt.
http://www.nature.com/nature/insights/6933.html   (398 words)

  
 In Response to Protein Load Podocytes Reorganize Cytoskeleton and Modulate Endothelin-1 Gene: Implication for ...
Next, to assess a possible involvement of cytoskeleton changes
podocytes, and the potential role of cytoskeleton in such induction.
To study the possible role of cytoskeleton in the regulation
http://ajp.amjpathol.org/cgi/content/full/166/5/1309   (6198 words)

  
 Cytoskeleton Tutorial
You should learn that the cytoskeleton is both a muscle and a skeleton, and is responsible for cell movement, cytokinesis, and the organization of the organelles within the cell.
http://www.biology.arizona.edu/cell_bio/tutorials/cytoskeleton/main.html   (29 words)

  
 CD2-associated protein directly interacts with the actin cytoskeleton -- Lehtonen et al. 283 (4): 734 -- AJP - Renal ...
and that CD2AP associates with the actin cytoskeleton.
cytoskeleton may have an important role in the pathogenesis of
molecules and the actin cytoskeleton (9), is disturbed by overexpression
http://ajprenal.physiology.org/cgi/content/full/283/4/F734   (5647 words)

  
 CancerQuest : Cell Structure : Cytoskeleton
The essential role of the cytoskeleton in the proliferation of cells has lead to the use of drugs that inhibit the cytoskeleton as anti-cancer drugs.
As we will see, changes in the cytoskeleton are observed in cancer cells.
In fact, metastatic spread of cancer is dependent on tumor cells that invade neighboring tissues.
http://www.cancerquest.org/index.cfm?page=162   (155 words)

  
 [No title]
We are particularly interested in whether retroviral expression of proteins that alter the cytoskeleton are effective gene therapy approaches for treating vascular proliferative disorders.
Our research focus is on the role of cytoskeletal in signal transduction in mammalian cells.
It also regulates the ability of the myosin molecule to form filaments and the ability of myosin to associate with actin, thereby also regulating the dynamic state of the cytoskeleton.
http://www.uic.edu/depts/mcbtp/primal.htm   (330 words)

  
 The Actin Cytoskeleton
The critical role of membrane-cytoskeleton linkages in muscle contraction was uncovered by studies on Duchenne muscular dystrophy (DMD), a fatal, degenerative sex-linked genetic disease of muscle that affects about 1 of every 3500 males born.
In individuals with DMD, who lack functional dystrophin, the membrane of a muscle cell is not supported by a cortical cytoskeleton and presumably is easily damaged by the stress of repeated muscle contraction.
Recent evidence suggests that a membrane-microfilament linkage represents an open conformation of the molecule that is regulated by several signaling pathways possibly through both serine/threonine and tyrosine kinases.
http://www.ncbi.nlm.nih.gov/books/bv.fcgi?rid=mcb.section.5117   (3500 words)

  
 Cytoskeleton - Wikipedia, the free encyclopedia
They organize the internal tridimensional structure of the cell (they are structural components of the nuclear envelope or the sarcomeres for example).
The cytoskeleton was previously considered to be a feature only of eukaryotic cells, but recent research has revealed that homologues to all the major proteins of the eukaryotic cytoskeleton can also be found in prokaryotes.
Although the evolutionary relationships are so distant that they are not obvious from protein sequence comparisons alone, the similarity of their three-dimensional structures provides strong evidence that the eukaryotic and prokaryotic cytoskeletons are truly homologous.
http://en.wikipedia.org/wiki/Cytoskeleton   (707 words)

  
 The cytoskeleton of digestive epithelia in health and disease -- Ku et al. 277 (6): 1108 -- AJP - Gastrointestinal and ...
The cytoskeleton of digestive epithelia in health and disease
cytoskeleton to the ECM through the integrins and their associated
The cytoskeleton of digestive epithelia in health and disease -- Ku et al.
http://ajpgi.physiology.org/cgi/content/full/277/6/G1108   (9365 words)

  
 Plant Cell Cytoskeleton
The cytoskeleton acts as both a skeleton and a muscle.
The cytoskeleton is a three dimensional structure found in the cytoplasm.
For the process of phagocytosis, the cytoskeleton helps the cell move liquid into the cell, and in the process of pinocytosis, the cytoskeleton helps the cell move large particles into the cell.
http://sun.menloschool.org/~birchler/cells/plants/cytoskeleton   (204 words)

  
 Yoshio Fukui: Cytoskeleton
Structure and function of the cytoskeleton of a Dictyostelium myosin-defective mutant.
This finding helped establishing a then new idea that actin cytoskeleton is the key framework, which is associated with various binding proteins including myosin II in spatially unique manners.
This study was made possible in collaboration with Dr. James Spudich of Stanford University.
http://faculty-web.at.northwestern.edu/med/fukui/04-Cytoskeleton.html   (581 words)

  
 Cytoskeleton definition - Medical Dictionary definitions of popular medical terms
Cytoskeleton: The scaffolding structure of the cell cytoplasm.
Cytoskeleton definition - Medical Dictionary definitions of popular medical terms
MedicineNet Home > MedTerms medical dictionary A-Z List > Cytoskeleton
http://www.medterms.com/script/main/art.asp?articlekey=24603   (141 words)

  
 Cytoskeleton
Taking these functions into account it is plausible that the disruption of the cytoskeleton or even subtle changes of its integrity may cause pathological outcomes.
It seems that the cytoskeleton is also involved in signalling across the cell.
The functions of the cytoskeleton are manifold and do not only sustain the cell's shape and its mechanical scaffold.
http://www.uni-leipzig.de/~pwm/kas/cytoskeleton/Cytoskeleton.html   (1201 words)

  
 Cytoskeleton Tour
The Trypanosome cytoskeleton consists primarily of microtubule-based structures, which can be both physically and conceptually divided into two fractions, "the subpellicular fraction" and "the flagellar fraction".
Each image in the tour has links that will take you to another image that further describes the cytoskeleton.
Clicking on the numbers in each image will take you a textual description of that structure.
http://www.biochem.uiowa.edu/donelson/cytoskeleton_tour.htm   (608 words)

  
 Cytoskeleton
The Sequestration of mRNA in the Cytoskeleton and Other Subcellular Structures (I.F. Pryme, A. Johannessen, and A. Vedeler).
However such major cytoplasmic components (actin and tubulin, the monomeric constituents of microfilaments and microtubules, are major cell proteins) must have important roles to play in cell function, and investigations into the functional role of the cytoskeleton currently represent a major area of cell biological research.
There is a considerable amount of data available on the protein composition of the major filament systems (microfilaments, microtubules, and intermediate filaments) but we are still comparatively ignorant about the role of the cytoskeleton in cell physiology.
http://www.allmedstar.com/ep-1559388455.html   (335 words)

  
 Drosophila gene families: cytoskeleton
Dynamic changes in cytoskeleton, in this case the actin based cytoskeleton, take place during differentiation processes.
Profilin, encoded by chickadee, a component of the actin based cytoskeleton, physically interacts with Cappuccino, involved in the microtubule based cytoskeleton.
The cytoskeleton is also responsible for structuring the cytoplasm of the cell so that proteins and nucleic acids can be carried from one site to another.
http://www.sdbonline.org/fly/aignfam/cytoskel.htm   (10455 words)

  
 :: Science :: Biology :: Cell Biology :: Cytoskeleton
McGough Group - Research on motility through cross-disciplinary research in structural biology.
Chisholm Lab - Overview of research on myosin and actin, the role of calmodulin, the dynein-dynactin interaction.
Build Your Own Actin - Applet for study of filament structure built from subunits.
http://www.localadsearch.com/Science/Biology/Cell_Biology/Cytoskeleton   (476 words)

  
 Cell and Developmental Biology at Carolina- Ken Jacobson, Ph.D.
Papers describing these studies have been published in Nature, J.
More robust cross-linking connects the cluster to the cytoskeleton underlying the membrane at sites from which signal transduction may occur.
On going work is aimed at using fluorescent biosensors, in collaboration with Klaus Hahn, to understand the pathways by which mechanochemical signal transduction occurs to allow the cell to sense and respond to forces as well as produce them.
http://www-cellbio.med.unc.edu/grad/depttest/jacobson.htm   (1003 words)

  
 The Cytoskeleton
These microfilaments are approximately a third of the diameter of a microtubule, and are often used by cells to change their shapes as well as hold structures.
There are many types of protein filaments that make up the cytoskeleton, but two of the most studied aspects are the microtubule and actin cytoskeletons.
The cytoskeleton is transparent in standard light and electron microscope preparations, and is therefore "invisible.
http://web.mit.edu/esgbio/www/cb/cytoskeleton.html   (217 words)

  
 Cytoplasm/Cytoskeleton
This is followed by another short discussion on the work that this group has performed on coronin.
Cytoskeleton and Microtubules - Provides anchors to descriptions of the structures that make up the cytoskeleton.
Cytoskeleton Tutorial - Provides anchors to descriptions of the structures that make up the cytoskeleton and to the various types of cell movement.
http://darwin.nmsu.edu/~molbio/cell/Cyto.html   (1107 words)

  
 Cytoskeleton, Cell Motility & Motors - BioChemWeb.org
Cytoskeleton Information Resource - Information and technical tips for researchers studying the cytoskeleton.
Nucleus and Actin - Images of the nucleus and actin cytoskeleton of cultured epithelial cells.
Nucleus and Microtubules - Images of the nucleus and microtubule cytoskeleton of cultured epithelial cells.
http://www.biochemweb.org/cytoskeleton.shtml   (930 words)

  
 About Intermediate Filaments
Certainly some IFPs have a particularly striking role, for example keratin isotypes function to maintain epidermal integrity, indeed certain keratin mutations result in debilitating diseases of the skin (5).
The coiled-coil region may also be split into three subdomains.
Cytoskeleton takes the effort to provide IFPs with >95% nativity which allows you unmatched confidence in your results (see later on Working with Intermediate Filament proteins in vitro for a full description of what is necessary to produce the native form).
http://www.cytoskeleton.com/aif.htm   (2596 words)

  
 The Cytoskeleton of Cells
When you think of the cytoskeleton, think of pillars of a building.
Without the cytoskeleton, the cell would have no shape.
Eukaryotic cells are given shape and organized by the cytoskeleton, which consists of three types of proteins: microtubules, intermediate filaments, and microfilaments.
http://sun.menloschool.org/~birchler/cells/animals/cytoskeleton   (197 words)

  
 Frontiers in Cytoskeleton Research
The cytoskeleton serves as a spatial substrate for biological processes.
The aim of this workshop is to create a platform for the disseminaton and exchange of new results and ideas in the field of cytoskeleton research.
It is therefore timely to bring together scientists engaged in different aspects of cytoskeleton research to present the latest advances and promote cross-fertilisation in the field.
http://cellix.imolbio.oeaw.ac.at/embo-febs2003   (399 words)

  
 Membrane Cytoskeleton.
  These interactions are structural, signalling, and sometimes to orient the internal cytoskeleton.
The cytoskeleton, especially the actin cytoskeleton interacts with cell membranes.
There are many different forms of muscular dystrophy, many of these are due to mutations in the group of proteins that connect the muscle cell membrane to the underlying cytoskeleton.
http://www.bms.ed.ac.uk/research/others/smaciver/lectures/CS5.htm   (1803 words)

  
 The Fowler Lab at TSRI
Regulated assembly and disassembly of actin subunits (monomers) at filament ends directly controls cell movement and morphogenesis, and is integrally linked to differentiated cell processes such as muscle contaction.
Our focus has been on the regulation of actin filament pointed end dynamics by tropomodulin, cofilin, and tropomyosin.
The actin cytoskeleton is comprised of filaments which are polarized in nature, such that they have a fast (barbed) and a slow (pointed) end.
http://actin-ends.scripps.edu   (145 words)

  
 Amazon.co.uk: Cytoskeleton: Search Results Books
Cytoskeleton: Signalling and Cell Regulation (Practical Approach S.)
Cytoskeleton: Methods and Protocols (Methods in Molecular Biology S.)
Advances in Molecular and Cell Biology: Cytoskeleton Vol 12 (Advances in Molecular and Cell Biology)
http://www.amazon.co.uk/exec/obidos/external-search?mode=vhs&keyword=Cytoskeleton&tag=websitedesi09-21   (149 words)

  
 Critical Role of the Atypical {lambda} Isoform of Protein Kinase C (PKC-{lambda}) in Oxidant-Induced Disruption of the ...
architecture of cytoskeleton and the intestinal barrier function.
) in Oxidant-Induced Disruption of the Microtubule Cytoskeleton and Barrier Function of Intestinal Epithelium
that oxidants disrupt the cytoskeleton and cause barrier dysfunction
http://www.jpet.org/cgi/content/abstract/312/2/458   (447 words)

  
 Cell Organelles: Cytoskeleton
The internal movement of cell organelles, as well as cell locomotion and muscle fiber contraction could not take place without the cytoskeleton.
But the primary importance of the cytoskeleton is in cell motility.
The complexity of the cytoskeleton can be seen in the abundant F-actin stress fibers (green) in the endothelial cell shown above.
http://www.cellsalive.com/cells/cytoskel.htm   (82 words)

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