Abstract:
:Bioactive hydrogels formed from the Michael-type addition reactions of end-functionalized poly (ethylene glycol) macromers with thiol-containing protease-sensitive peptide crosslinkers have previously been described as matrices for cell-induced enzymatic remodeling. In this study, we sought to develop materials formulations with different degradation profiles by evaluating peptides derived from secreted protein acidic and rich in cysteine (SPARC) as potential substrates for plasmin, matrix metalloproteinase (MMP)-1, and MMP-2. Michaelis-Menten analysis showed that different peptides could provide a range of k(cat) values for each enzyme. In most cases, hydrogels formed with crosslinker peptides that had higher k(cat) values degraded faster when exposed to the appropriate enzyme(s), and fibroblasts showed increased cell proliferation and cell spreading when cultured in the faster degrading hydrogels. Further, greater cell invasion was observed from aortic ring segments embedded in the faster degrading hydrogels. The addition of the SPARC-derived peptides to the repertoire of protease-sensitive crosslinkers increases the potential application of these materials by providing enhanced susceptibility to plasmin. Further, the graded increases in k(cat) and the differential responses for plasmin, MMP-1, and MMP-2 can be used to engineer hydrogels with degradation properties tuned to the enzymes produced by particular cell types, allowing for broader in vivo application.
journal_name
Biomaterialsjournal_title
Biomaterialsauthors
Patterson J,Hubbell JAdoi
10.1016/j.biomaterials.2010.10.016subject
Has Abstractpub_date
2011-02-01 00:00:00pages
1301-10issue
5eissn
0142-9612issn
1878-5905pii
S0142-9612(10)01305-0journal_volume
32pub_type
杂志文章相关文献
BIOMATERIALS文献大全abstract::Recent advances in materials development and tissue engineering has resulted in a substantial number of bioinspired materials that recapitulate cardinal features of bone extracellular matrix (ECM) such as dynamic inorganic and organic environment(s), hierarchical organization, and topographical features. Bone mimickin...
journal_title:Biomaterials
pub_type: 杂志文章,评审
doi:10.1016/j.biomaterials.2018.06.005
更新日期:2019-04-01 00:00:00
abstract::Matrix systems used to study complex three-dimensional (3D) cellular processes like mammary epithelial tissue morphogenesis and tumorigenesis ex vivo often require ill-defined biological components, which lead to poor reproducibility and a lack of control over physical parameters. In this study, a well-defined, tunabl...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/j.biomaterials.2016.10.007
更新日期:2017-01-01 00:00:00
abstract::The electrospinning process was utilized successfully to fabricate the random oriented and aligned electrically conductive nanofibers of biodegradable poly-DL-lactide (PLA) in which multiwalled carbon nanotubes (MWCNTs) were embedded. The topographical features of the composite nanofibers were characterized by SEM. Th...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/j.biomaterials.2011.01.051
更新日期:2011-04-01 00:00:00
abstract::Lesions in the avascular part of 20 canine menisci were repaired by implantation of a porous polyurethane. Seven menisci were not repaired and served as controls. The repair tissue was characterized by biochemical and immunological analysis. The role of vascularity in healing was studied by perfusion of menisci with I...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/0142-9612(96)87648-4
更新日期:1996-09-01 00:00:00
abstract::A pH-sensitive molecularly imprinted polymer (MIP) nanospheres/hydrogel composite exhibiting controlled release of dexamethasone-21 phosphate disodium (DXP) was developed as a potential coating for implantable biosensors to improve their biocompatibility. The molecularly imprinted pH-sensitive nanospheres were prepare...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/j.biomaterials.2010.02.073
更新日期:2010-06-01 00:00:00
abstract::For clinical application of human embryonic stem cells (hESCs), it is critical to develop hESC culture techniques that completely exclude the use of animal feeder cells, mitotic inhibition, and enzyme treatments used in conventional hESC culture systems. Toward this goal, we attempted to maintain hESCs and induced plu...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/j.biomaterials.2010.07.031
更新日期:2010-11-01 00:00:00
abstract::Lysosomes, an important organelle of eukaryotic cells, are covered with the cell membrane and contain an array of degradative enzymes. The disrupt in lysosomal functions may lead to the development of severe diseases. In nanotechnology, nanomaterials working mechanism and its biomedical output are highly dependent on ...
journal_title:Biomaterials
pub_type: 杂志文章,评审
doi:10.1016/j.biomaterials.2019.05.002
更新日期:2019-08-01 00:00:00
abstract::The development of biohybrid organs (BHO) will benefit from improved membranes regarding transport and cell contacting properties. Here we describe in a first study the development and testing of membranes made of polyacrylonitrile (PAN) and polysulfone (PSU) for the immobilisation of kidney epithelial cells. Comparat...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/s0142-9612(99)00147-7
更新日期:2000-01-01 00:00:00
abstract::Direct delivery of proteins to the cytosol of cells holds tremendous potential in biological and medical applications. Engineering vehicles for escorting proteins to the cytosol in a controlled release fashion has thus generated considerable interest. We report here the preparation of redox-responsive single-protein n...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/j.biomaterials.2011.03.060
更新日期:2011-08-01 00:00:00
abstract::New mesoporous silicate-titania resin systems hybridized with 4,5-dihydroxy-m-benzenedisulfonic acid and poly(ethylene glycol)-dimethacrylate component were developed. These inorganic-organic hybrid resins were found to reveal highly controlled ionic and hydrophilic surface with excellent durability and adhesion onto ...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/j.biomaterials.2009.12.013
更新日期:2010-03-01 00:00:00
abstract::Targeted tumor imaging and efficient specific gene delivery in vivo has been one of the main challenges in gene-based cancer diagnosis and therapy. Herein, we engineered a citric acid-based polymer with intrinsical photoluminescence and gene loading capacity to achieve targeted delivery of siRNA and tumor imaging in v...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/j.biomaterials.2019.01.045
更新日期:2019-04-01 00:00:00
abstract::The aim of this study was to identify and quantify potential regional and directional variations in the quasistatic uniaxial mechanical properties of the passive urinary bladder wall. Overall, the lower body and trigone regions demonstrated the highest degree of directional anisotropy, whereas the ventral region demon...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/j.biomaterials.2008.09.034
更新日期:2009-01-01 00:00:00
abstract::The necessity of information about the inner microscopical features of low absorbing materials is one of the most important goals in the structural research field. So far, non destructive analysis have been performed using contact radiography giving the scope for great advances in the production and application of new...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/s0142-9612(00)00307-0
更新日期:2001-06-01 00:00:00
abstract::FT-IR analysis was performed for the hydroxyapatite (HAp)/collagen (COL) nanocomposite cross-linked by glutaraldehyde (GA). The amide bands I, II and III from COL matrix, and phosphate and carbonate bands from HAp were identified. The amide B band arising from C-H stretching mode showed a sensitive conformation by the...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/s0142-9612(02)00232-6
更新日期:2002-12-01 00:00:00
abstract::Resistance to platinum agents is challenging in cancer treatment with platinum drugs. Such resistant cells prevent effective platinum accumulation intracellular and alter cellular adaptations to survive from cytotoxicity by regulating corresponding proteins expression. Ideal therapeutics should combine resolution to t...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/j.biomaterials.2017.11.014
更新日期:2018-02-01 00:00:00
abstract::Polymer-siRNA complexes (siRNA polyplexes) are being actively developed to improve the therapeutic application of siRNA. A major limitation for many siRNA polyplexes, however, is insufficient mRNA suppression. Given that modifying the sense strand of siRNA with 3' cholesterol (chol-siRNA) increases the activity of fre...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/j.biomaterials.2010.10.019
更新日期:2011-02-01 00:00:00
abstract::Radiolabeled nanomaterials, especially those with ultra-small structures, have been the research focus in recent years, and thus may open up new prospects for clinical diseases theranostics. Herein, fluorinated Pd nanosheets labeled with Gd or radionuclides are developed as multimodal platforms for tumor theranostics....
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/j.biomaterials.2018.06.040
更新日期:2018-10-01 00:00:00
abstract::Oxidative stress, resulting from excessive generation of reactive oxygen species (ROS), plays a pivotal role in the initiation and progression of inflammatory bowel disease (IBD). To develop an efficacious and safe nanotherapy against IBD, we designed and developed a superoxide dismutase/catalase mimetic nanomedicine ...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/j.biomaterials.2016.08.010
更新日期:2016-10-01 00:00:00
abstract::Human adipose tissue extracellular matrix, derived through decellularization processing, has been shown to provide a biomimetic microenvironment for adipose tissue regeneration. This study reports the use of human adipose tissue-derived extracellular matrix (hDAM) scaffolds as a three-dimensional cell culturing system...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/j.biomaterials.2014.03.003
更新日期:2014-06-01 00:00:00
abstract::A comparative in vitro assessment of 4 types of tubing representative of the materials currently used in cardiopulmonary bypass (CPB) procedures was conducted under static conditions using liquid extracts of the materials or direct contact with fresh human blood or serum. The parameters monitored were biomarkers of co...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/s0142-9612(99)00051-4
更新日期:1999-09-01 00:00:00
abstract::In our previous study, a three-dimensional zein porous scaffold with a compressive Young's modulus of up to 86.6+/-19.9 MPa and a compressive strength of up to 11.8+/-1.7 MPa was prepared, and was suitable for culture of mesenchymal stem cells (MSCs) in vitro. In this study, we examined its tissue compatibility in a r...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/j.biomaterials.2007.05.017
更新日期:2007-09-01 00:00:00
abstract::Silica nanoparticles are widely used platform materials for the immobilization of proteins to realize applications in biomedicine and biotechnology. We here report on the use of a highly delicate protein for the systematic evaluation of routes for the surface modification of multifunctional silica nanoparticles. To in...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/j.biomaterials.2018.10.035
更新日期:2019-01-01 00:00:00
abstract::Designing biomaterial scaffolds remains a major challenge in tissue engineering. Key to this challenge is improved understanding of the relationships between the scaffold properties and its degradation kinetics, as well as the cell interactions and the promotion of new matrix deposition. Here we present the use of non...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/j.biomaterials.2007.12.049
更新日期:2008-05-01 00:00:00
abstract::Surface plasmon resonance (SPR) sensing has long been used to study biomolecular binding events and their kinetics in a label-free way. This approach has recently been extended to SPR microscopy, which is an ideal tool for probing large microarrays of biomolecules for their binding interactions with various partners a...
journal_title:Biomaterials
pub_type: 杂志文章,评审
doi:10.1016/j.biomaterials.2007.01.047
更新日期:2007-05-01 00:00:00
abstract::Bone repairs represent a major focus in orthopedic medicine with biomaterials as a critical aspect of the regenerative process. However, only a limited set of biomaterials are utilized today and few studies relate biomaterial scaffold design to degradation rate and new bone formation. Matching biomaterial remodeling r...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/j.biomaterials.2010.04.028
更新日期:2010-08-01 00:00:00
abstract::To achieve enhanced gene transfection efficiency with ocular eye-drop therapy, a cationic core-shell liponanoparticle (DLCS-NP) was designed by enveloping the plasmid-laden chitosan nanoparticle (CS-NP) into a cationic lipid shell. The cellular uptake of DLCS-NP was up to 1.25-fold and 5-fold higher than that of CS-NP...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/j.biomaterials.2012.06.079
更新日期:2012-10-01 00:00:00
abstract::Protein therapeutics targeting inflammatory mediators have shown great promise for the treatment of autoimmunities such as rheumatoid arthritis (RA). However, a significant challenge in this area has been their low in vivo stability and consequently their severely compromised therapeutic efficacy. One such therapeutic...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/j.biomaterials.2014.11.041
更新日期:2015-02-01 00:00:00
abstract::Carbon nanotubes have shown great potential in various areas of biomedicine. Herein, we synthesize a series of amphiphilic polymers by anchoring polyethylene glycol (PEG) of different lengths at various densities on poly(maleic anhydride-alt-1-octadecene) (PMHC(18)). The blood circulation and biodistribution of those ...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/j.biomaterials.2010.08.096
更新日期:2011-01-01 00:00:00
abstract::Three-dimensional (3D) culture of hepatocytes leads to improved and prolonged synthetic and metabolic functions, but the underlying molecular mechanisms are unknown. In order to investigate the role of 3D cell-cell interactions in maintaining hepatocyte differentiated functions ex vivo, primary mouse hepatocytes were ...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/j.biomaterials.2013.11.063
更新日期:2014-02-01 00:00:00
abstract::The standard solution-depletion method is implemented with SDS-gel electrophoresis as a multiplexing, separation-and-quantification tool to measure competition between two proteins (i and j) for adsorption to the same hydrophobic adsorbent particles (either octyl sepharose or silanized glass) immersed in binary-protei...
journal_title:Biomaterials
pub_type: 杂志文章
doi:10.1016/j.biomaterials.2009.08.016
更新日期:2009-11-01 00:00:00