Nano-topography sensing by osteoclasts.

doi:10.1242/JCS.060954

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Nano-topography sensing by osteoclasts.

Journal Article•DOI•

Nano-topography sensing by osteoclasts.

Dafna Geblinger¹, Lia Addadi¹, Benjamin Geiger¹•Institutions (1)

Weizmann Institute of Science¹

01 May 2010-Journal of Cell Science (The Company of Biologists Ltd)-Vol. 123, Iss: 10, pp 1503-1510

TL;DR: It was observed that steps or sub-micrometer cracks on the smooth surface stimulate local ring formation, raising the possibility that similar imperfections on bone surfaces may stimulate local osteoclast resorptive activity.

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Abstract: Bone resorption by osteoclasts depends on the assembly of a specialized, actin-rich adhesive ‘sealing zone’ that delimits the area designed for degradation. In this study, we show that the level of roughness of the underlying adhesive surface has a profound effect on the formation and stability of the sealing zone and the associated F-actin. As our primary model substrate, we use ‘smooth’ and ‘rough’ calcite crystals with average topography values of 12 nm and 530 nm, respectively. We show that the smooth surfaces induce the formation of small and unstable actin rings with a typical lifespan of ~8 minutes, whereas the sealing zones formed on the rough calcite surfaces are considerably larger, and remain stable for more than 6 hours. It was further observed that steps or sub-micrometer cracks on the smooth surface stimulate local ring formation, raising the possibility that similar imperfections on bone surfaces may stimulate local osteoclast resorptive activity. The mechanisms whereby the physical properties of the substrate influence osteoclast behavior and their involvement in osteoclast function are discussed.

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Journal Article•DOI•

Invadosome regulation by adhesion signaling

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Olivier Destaing¹, Marc R. Block¹, Marc R. Block², Marc R. Block³, Emmanuelle Planus¹, Emmanuelle Planus², Emmanuelle Planus³, Corinne Albiges-Rizo¹, Corinne Albiges-Rizo², Corinne Albiges-Rizo³ - Show less +6 more•Institutions (3)

French Institute of Health and Medical Research¹, Joseph Fourier University², Centre national de la recherche scientifique³

01 Oct 2011-Current Opinion in Cell Biology

TL;DR: This review highlights recent findings that place Src as an inducer and PKC as an amplifier in the assembly of integrin stimulated invadosome through mechanotransduction and polarized endo/exocytic trafficking pathways for key proteolytic and enzymatic activities in a temporally and spatially confined manner.

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137 citations

Cites background from "Nano-topography sensing by osteocla..."

...local constraints, the surface roughness induces the formation of large and stable invadosome rings whereas only small and unstable rings are formed on the smooth surface [14]....
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Journal Article•DOI•

Bone response to laser-induced micro- and nano-size titanium surface features

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Rickard Brånemark¹, Lena Emanuelsson², Anders Palmquist², Peter Thomsen²•Institutions (2)

Sahlgrenska University Hospital¹, University of Gothenburg²

01 Apr 2011-Nanomedicine: Nanotechnology, Biology and Medicine

TL;DR: An improved bone-implant interface anchorage was promoted by an increase in micro- and nano-scale implant surface topography and surface oxide induced by topological laser treatment.

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133 citations

Journal Article•DOI•

Evolving insights in cell-matrix interactions: elucidating how non-soluble properties of the extracellular niche direct stem cell fate.

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Nick J. Walters¹, Eileen Gentleman²•Institutions (2)

UCL Eastman Dental Institute¹, King's College London²

01 Jan 2015-Acta Biomaterialia

TL;DR: How insights from 2-D biomaterials are being used to examine cellular behaviours in more complex 3-D hydrogel systems, in which not only matrix stiffness, but also degradability, plays an important role, and in which defining the nanoscale ligand presentation presents an additional challenge is discussed.

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127 citations

Cites background from "Nano-topography sensing by osteocla..."

...For example, rough hydroxyapatite, calcite and titanium surfaces with nanoscale textures (formed by different spraying, sawing or polishing techniques) have been shown to enhance both osteoblast adhesion and differentiation [45] and osteoclastic resorption [46,47] in comparison with smooth substrates....
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Journal Article•DOI•

Migration of dendritic cells: physical principles, molecular mechanisms, and functional implications.

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Mélina L. Heuzé¹, Pablo Vargas¹, Mélanie Chabaud¹, Maël Le Berre¹, Yan-Jun Liu¹, Olivier Collin², Paola Solanes¹, Raphaël Voituriez³, Matthieu Piel², Ana-Maria Lennon-Duménil¹ - Show less +6 more•Institutions (3)

Curie Institute¹, École Normale Supérieure², Pierre-and-Marie-Curie University³

01 Nov 2013-Immunological Reviews

TL;DR: An overview of the basic physical principles and molecular mechanisms that control DC migration under confinement are given and how such mechanisms impact the environment‐patrolling capacity of DCs are discussed.

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Abstract: Dendritic cells (DCs) constitute a complex cell population that resides in both peripheral tissues and lymphoid organs. Their major function in tissues is to patrol their environment in search of danger-associated antigens to transport to lymph nodes and present to T lymphocytes. This process constitutes the first step of the adaptive immune response and relies on specific DC properties, including a high endocytic capacity as well as efficient motility in confined three-dimensional environments. Although cell motility has been widely studied, little is known on how the geometric characteristics of the environment influence DC migration and function. In this review, we give an overview of the basic physical principles and molecular mechanisms that control DC migration under confinement and discuss how such mechanisms impact the environment-patrolling capacity of DCs.

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119 citations

Cites background from "Nano-topography sensing by osteocla..."

...Immune cells can be guided by micrometric grooves, but they can also sense nanometer-size features (19), even when non-adhesive (20)....
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Journal Article•DOI•

Mechanosensors in integrin signaling: the emerging role of p130Cas.

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Radoslav Janostiak¹, Andreea Csilla Pataki¹, Jan Brábek¹, Daniel Rösel¹•Institutions (1)

Charles University in Prague¹

01 Oct 2014-European Journal of Cell Biology

TL;DR: The role of the integrin pathway in cellular mechanosensing is discussed, focusing on primary mechanosensors, molecules that respond to mechanical stress by changing their conformation, and mechanisms by which p130Cas is involved are proposed.

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110 citations

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Journal Article•DOI•

Matrix elasticity directs stem cell lineage specification.

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Adam J. Engler¹, Shamik Sen¹, H. Lee Sweeney¹, Dennis E. Discher•Institutions (1)

University of Pennsylvania¹

25 Aug 2006-Cell

TL;DR: Naive mesenchymal stem cells are shown here to specify lineage and commit to phenotypes with extreme sensitivity to tissue-level elasticity, consistent with the elasticity-insensitive commitment of differentiated cell types.

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12,204 citations

"Nano-topography sensing by osteocla..." refers background in this paper

...…cell proliferation, gene expression and cell viability (Bershadsky et al., 2006a; Chen et al., 1997; Diener et al., 2005; Discher et al., 2005; Engler et al., 2006; Geiger et al., 2009; Kunzler et al., 2007; Lo et al., 2000; Roach et al., 2007; Saltel et al., 2004; Vogel and Sheetz, 2006)....
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...…et al., 1999; Roach et al., 2007; Shimizu et al., 1989), local density of the adhesive ligands (Arnold et al., 2004; Arnold et al., 2008; Hirschfeld-Warneken et al., 2008), and physical properties (Bershadsky et al., 2006a; Bershadsky et al., 2006b; Engler et al., 2006; Vogel and Sheetz, 2006)....
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...…a widespread cellular phenomenon, whereby cells collect information on the substrate on which they grow, integrate it, and develop a response (Bershadsky et al., 2006a; Chen et al., 1997; Diener et al., 2005; Discher et al., 2005; Engler et al., 2006; Geiger et al., 2009; Vogel and Sheetz, 2006)....
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...…respond to chemical and physical properties of the underlying matrix, such as rigidity, mechanical activity, ligand density and dimensionality (Bershadsky et al., 2006a; Chen et al., 1997; Diener et al., 2005; Discher et al., 2005; Engler et al., 2006; Geiger et al., 2009; Vogel and Sheetz, 2006)....
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Journal Article•DOI•

Tissue Cells Feel and Respond to the Stiffness of Their Substrate

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Dennis E. Discher¹, Paul A. Janmey¹, Yu-li Wang²•Institutions (2)

University of Pennsylvania¹, University of Massachusetts Medical School²

18 Nov 2005-Science

TL;DR: An understanding of how tissue cells—including fibroblasts, myocytes, neurons, and other cell types—sense matrix stiffness is just emerging with quantitative studies of cells adhering to gels with which elasticity can be tuned to approximate that of tissues.

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Abstract: Normal tissue cells are generally not viable when suspended in a fluid and are therefore said to be anchorage dependent. Such cells must adhere to a solid, but a solid can be as rigid as glass or softer than a baby's skin. The behavior of some cells on soft materials is characteristic of important phenotypes; for example, cell growth on soft agar gels is used to identify cancer cells. However, an understanding of how tissue cells-including fibroblasts, myocytes, neurons, and other cell types-sense matrix stiffness is just emerging with quantitative studies of cells adhering to gels (or to other cells) with which elasticity can be tuned to approximate that of tissues. Key roles in molecular pathways are played by adhesion complexes and the actinmyosin cytoskeleton, whose contractile forces are transmitted through transcellular structures. The feedback of local matrix stiffness on cell state likely has important implications for development, differentiation, disease, and regeneration.

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5,889 citations

"Nano-topography sensing by osteocla..." refers background in this paper

...…a widespread cellular phenomenon, whereby cells collect information on the substrate on which they grow, integrate it, and develop a response (Bershadsky et al., 2006a; Chen et al., 1997; Diener et al., 2005; Discher et al., 2005; Engler et al., 2006; Geiger et al., 2009; Vogel and Sheetz, 2006)....
[...]
...…migration, ECM remodeling, cell proliferation, gene expression and cell viability (Bershadsky et al., 2006a; Chen et al., 1997; Diener et al., 2005; Discher et al., 2005; Engler et al., 2006; Geiger et al., 2009; Kunzler et al., 2007; Lo et al., 2000; Roach et al., 2007; Saltel et al., 2004; Vogel…...
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...…respond to chemical and physical properties of the underlying matrix, such as rigidity, mechanical activity, ligand density and dimensionality (Bershadsky et al., 2006a; Chen et al., 1997; Diener et al., 2005; Discher et al., 2005; Engler et al., 2006; Geiger et al., 2009; Vogel and Sheetz, 2006)....
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Journal Article•DOI•

Geometric control of cell life and death.

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Christopher S. Chen¹, Milan Mrksich¹, Sui Huang¹, George M. Whitesides¹, Donald E. Ingber¹ - Show less +1 more•Institutions (1)

Harvard University¹

30 May 1997-Science

TL;DR: Human and bovine capillary endothelial cells were switched from growth to apoptosis by using micropatterned substrates that contained extracellular matrix-coated adhesive islands of decreasing size to progressively restrict cell extension.

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Abstract: Human and bovine capillary endothelial cells were switched from growth to apoptosis by using micropatterned substrates that contained extracellular matrix-coated adhesive islands of decreasing size to progressively restrict cell extension. Cell spreading also was varied while maintaining the total cell-matrix contact area constant by changing the spacing between multiple focal adhesion-sized islands. Cell shape was found to govern whether individual cells grow or die, regardless of the type of matrix protein or antibody to integrin used to mediate adhesion. Local geometric control of cell growth and viability may therefore represent a fundamental mechanism for developmental regulation within the tissue microenvironment.

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4,641 citations

"Nano-topography sensing by osteocla..." refers background in this paper

...…a widespread cellular phenomenon, whereby cells collect information on the substrate on which they grow, integrate it, and develop a response (Bershadsky et al., 2006a; Chen et al., 1997; Diener et al., 2005; Discher et al., 2005; Engler et al., 2006; Geiger et al., 2009; Vogel and Sheetz, 2006)....
[...]
...…respond to chemical and physical properties of the underlying matrix, such as rigidity, mechanical activity, ligand density and dimensionality (Bershadsky et al., 2006a; Chen et al., 1997; Diener et al., 2005; Discher et al., 2005; Engler et al., 2006; Geiger et al., 2009; Vogel and Sheetz, 2006)....
[...]
...…cellular processes, including adhesion, migration, ECM remodeling, cell proliferation, gene expression and cell viability (Bershadsky et al., 2006a; Chen et al., 1997; Diener et al., 2005; Discher et al., 2005; Engler et al., 2006; Geiger et al., 2009; Kunzler et al., 2007; Lo et al., 2000; Roach…...
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Journal Article•DOI•

Cell Movement Is Guided by the Rigidity of the Substrate

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Chun Min Lo¹, Hong Bei Wang¹, Micah Dembo², Yu-li Wang¹•Institutions (2)

University of Massachusetts Medical School¹, Boston University²

01 Jul 2000-Biophysical Journal

TL;DR: It is discovered that changes in tissue rigidity and strain could play an important controlling role in a number of normal and pathological processes involving cell locomotion, including morphogenesis, the immune response, and wound healing.

...read moreread less

3,189 citations

"Nano-topography sensing by osteocla..." refers background in this paper

...…cell proliferation, gene expression and cell viability (Bershadsky et al., 2006a; Chen et al., 1997; Diener et al., 2005; Discher et al., 2005; Engler et al., 2006; Geiger et al., 2009; Kunzler et al., 2007; Lo et al., 2000; Roach et al., 2007; Saltel et al., 2004; Vogel and Sheetz, 2006)....
[...]

Journal Article•DOI•

Taking Cell-Matrix Adhesions to the Third Dimension

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Edna Cukierman¹, Roumen Pankov¹, Daron R. Stevens¹, Kenneth M. Yamada¹•Institutions (1)

National Institutes of Health¹

23 Nov 2001-Science

TL;DR: These distinctive in vivo 3D-matrix adhesions differ in structure, localization, and function from classically described in vitro adhesion, and as such they may be more biologically relevant to living organisms.

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Abstract: Adhesions between fibroblastic cells and extracellular matrix have been studied extensively in vitro, but little is known about their in vivo counterparts. Here, we characterized the composition and function of adhesions in three-dimensional (3D) matrices derived from tissues or cell culture. "3D-matrix adhesions" differ from focal and fibrillar adhesions characterized on 2D substrates in their content of alpha5beta1 and alphavbeta3 integrins, paxillin, other cytoskeletal components, and tyrosine phosphorylation of focal adhesion kinase (FAK). Relative to 2D substrates, 3D-matrix interactions also display enhanced cell biological activities and narrowed integrin usage. These distinctive in vivo 3D-matrix adhesions differ in structure, localization, and function from classically described in vitro adhesions, and as such they may be more biologically relevant to living organisms.

...read moreread less

3,000 citations

"Nano-topography sensing by osteocla..." refers background in this paper

...Many cell types react to changes in the threedimensional texture of the substrate at the nanometer- and micrometer scales, by altering their adhesion, motility and orientation (Cukierman et al., 2001; Curtis and Wilkinson, 1997; Geiger, 2001; Vogel and Sheetz, 2006)....
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...The interplay between topography, force and adhesion dynamics might also affect other, mechanosensitive adhesions such as focal adhesions, possibly accounting for changes in their stability, signaling activity and dynamics, when plated on a rough threedimensional matrix (Cukierman et al., 2001)....
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