Continuous harvest of stem cells via partial detachment from thermoresponsive nanobrush surfaces.

abstract：:In the present study, we evaluated, in mice, the efficacy of the tetrafunctional block copolymer 704 as a nonviral gene delivery vector to the lungs. SPECT/CT molecular imaging of gene expression, biochemical assays, and immunohistochemistry were used. Our dataset shows that the formulation 704 resulted in higher leve...

journal_title：Biomaterials

authors： Richard-Fiardo P,Hervouet C,Marsault R,Franken PR,Cambien B,Guglielmi J,Warnez-Soulie J,Darcourt J,Pourcher T,Colombani T,Haudebourg T,Peuziat P,Pitard B,Vassaux G

更新日期：2015-03-01 00:00:00

abstract：:In order to investigate the effects of different degrees of bioactivity of xerogels on connexin 43 (cx43) signaling of osteoclasts a cell culture approach was developed. Cells isolated from peripheral blood mononuclear cells were cultured in combination with the xerogels and were harvested for further investigations o...

journal_title：Biomaterials

authors： Glenske K,Wagner AS,Hanke T,Cavalcanti-Adam EA,Heinemann S,Heinemann C,Kruppke B,Arnhold S,Moritz A,Schwab EH,Worch H,Wenisch S

更新日期：2014-02-01 00:00:00

abstract：:We studied non-implanted ultra-high molecular weight polyethylene (UHMWPE) knee components, that were gamma-sterilized in air and shelf-aged during 6 and 7 years, to explore fracture mechanisms in the degraded material. Prior to the fractography study, we assessed degradation through FTIR and optical density measureme...

journal_title：Biomaterials

authors： Puértolas JA,Larrea A,Gómez-Barrena E

更新日期：2001-08-01 00:00:00

abstract：:Bioencapsulation involves the envelopment of tissues or biological active substances in semipermeable membranes. Bioencapsulation has been shown to be efficacious in mimicking the cell's natural environment and thereby improves the efficiency of production of different metabolites and therapeutic agents. The field of ...

journal_title：Biomaterials

authors： de Vos P,Bucko M,Gemeiner P,Navrátil M,Svitel J,Faas M,Strand BL,Skjak-Braek G,Morch YA,Vikartovská A,Lacík I,Kolláriková G,Orive G,Poncelet D,Pedraz JL,Ansorge-Schumacher MB

更新日期：2009-05-01 00:00:00

abstract：:To evaluate whether cytokeratin expression in human oral epithelial cells could be influenced by implant materials used in dental surgery, passaged human oral gingival epithelial cells were seeded on commercially pure titanium (CP-Ti) or on Ti6Al4V titanium alloy. Confluence was achieved after about 15 days on both su...

journal_title：Biomaterials

authors： Lagneau C,Farges JC,Exbrayat P,Lissac M

更新日期：1998-06-01 00:00:00

abstract：:Although folate exhibits many advantages over other targeting ligands, it has one major defect: poor water solubility. Once it was conjugated to hydrophilic drug carrier such as N-(2-hydroxypropyl) methacrylamide (HPMA) copolymer, the hydrophobic folate may be buried inside the random polymer coil and not exposed to b...

journal_title：Biomaterials

authors： Li L,Yang Q,Zhou Z,Zhong J,Huang Y

更新日期：2014-06-01 00:00:00

abstract：:Electrically conducting polymers hold promise for developing advanced neuroprostheses, bionic systems and neural repair devices. Among them, poly(3, 4-ethylenedioxythiophene) doped with polystyrene sulfonate (PEDOT:PSS) exhibits superior physicochemical properties but biocompatibility issues have limited its use. We d...

journal_title：Biomaterials

authors： Collazos-Castro JE,Polo JL,Hernández-Labrado GR,Padial-Cañete V,García-Rama C

更新日期：2010-12-01 00:00:00

abstract：:A micro-X-ray diffraction (micro-XRD) technique has been employed to determine the phases in two superelastic nickel-titanium orthodontic wires that exhibit shape memory in the oral environment and one superelastic nickel-titanium wire that does not exhibit shape memory in vivo. The micro-XRD analyses were performed o...

journal_title：Biomaterials

authors： Iijima M,Brantley WA,Kawashima I,Ohno H,Guo W,Yonekura Y,Mizoguchi I

更新日期：2004-01-01 00:00:00

abstract：:Hematopoietic stem cells (HSCs) are the vital, life-long source of all blood cell types. They are found in stem cell niches, specific anatomic locations that offer all the factors and signals necessary for the maintenance of the stem cell potential of HSCs. Much attention has been paid to the biochemical composition o...

journal_title：Biomaterials

authors： Altrock E,Muth CA,Klein G,Spatz JP,Lee-Thedieck C

更新日期：2012-04-01 00:00:00

abstract：:Elemental metal nanoparticles like cadmium and silver are known to cause oxidative stress and are also highly toxic. Yet for gold nanoparticles (AuNPs), it is not well established whether these particles are biologically toxic. Here we show that AuNPs, which were taken up by MRC-5 human lung fibroblasts in vitro, indu...

journal_title：Biomaterials

authors： Li JJ,Hartono D,Ong CN,Bay BH,Yung LY

更新日期：2010-08-01 00:00:00

abstract：:Covalent antithrombin-heparin complex (ATH) was covalently grafted to a polycarbonate urethane (Corethane) endoluminal graft (a kind gift of Corvita Corporation) after being activated using 0.3% m/m NaOCl in 0.15 M phosphate pH 6.0. ATH graft density (1.98 x 10(-7) mol/m2) was 6 times the maximum amount of unfractiona...

journal_title：Biomaterials

authors： Klement P,Du YJ,Berry L,Andrew M,Chan AK

更新日期：2002-01-01 00:00:00

abstract：:To prevent bone metastasis, we developed polyethylene glycol (PEG)-conjugated aspartic acid (Asp)-modified liposomes (PEG-Asp-Lipo) as a bone-targeting carrier of paclitaxel (PTX) by using Asp-modified 1,2-dipalmitoyl-sn-glycero-3-phosphoethanolamine (DPPE-Asp). The affinity of Asp-modified liposomes to hydroxyapatite...

journal_title：Biomaterials

authors： Yamashita S,Katsumi H,Hibino N,Isobe Y,Yagi Y,Tanaka Y,Yamada S,Naito C,Yamamoto A

更新日期：2018-02-01 00:00:00

abstract：:Mucus layer coating the vaginal epithelium represents a barrier for intravaginally delivered recombined adenoviral (rAd) vectors, but it could be overcome by proper polyethylene glycol (PEG) modification. Here we synthesized two cationic PEG derivatives, amino-(EO)n/(AGE)m-Cyss (APCs). The polymers contained neutral l...

journal_title：Biomaterials

authors： Xie Z,Ji Z,Zhang Z,Gong T,Sun X

更新日期：2014-09-01 00:00:00

abstract：:The regeneration of large bone defects remains an unsolved clinical problem, which could benefit from recent findings on the biology of skeletal stem and progenitor cells. The elucidation of conditions to specifically control their dynamic and function will likely enable the development of novel treatment strategies. ...

journal_title：Biomaterials

authors： Papageorgiou P,Vallmajo-Martin Q,Kisielow M,Sancho-Puchades A,Kleiner E,Ehrbar M

更新日期：2019-10-01 00:00:00

abstract：:An ideal approach for bone tissue engineering allows for osteoconductivity, osteoinductivity, and cell transplantation. In this study, we examined coprecipitation and surface adsorption schemes with respect to their abilities to control the spatial quantity and localization of a model protein, bovine serum albumin (BS...

journal_title：Biomaterials

authors： Luong LN,Hong SI,Patel RJ,Outslay ME,Kohn DH

更新日期：2006-03-01 00:00:00

abstract：:Development of highly efficient nonviral gene delivery vectors still remains a great challenge. In this study, we report a new gene delivery vector based on dendrimer-entrapped gold nanoparticles (Au DENPs) with significantly higher gene transfection efficiency than that of dendrimers without AuNPs entrapped. Amine-te...

journal_title：Biomaterials

authors： Shan Y,Luo T,Peng C,Sheng R,Cao A,Cao X,Shen M,Guo R,Tomás H,Shi X

更新日期：2012-04-01 00:00:00

abstract：:Leaflet tissue specimens prepared from porcine aortic valves treated with glutaraldehyde at low and high pressures have been subjected to 0.45 x 10(9) accelerated fatigue cycles in Ringer's solution. The waveform or crimped property of the collagen fibres in the leaflet tissue is an essential requirement for its abili...

journal_title：Biomaterials

authors： Broom ND

更新日期：1980-01-01 00:00:00

abstract：:CD47, a "don't eat me" signal, is over-expressed on the surface of most tumors that interacts with signal regulatory protein α (SIRPα) on phagocytic cells. By engaging SIRPα, CD47 limits the ability of macrophages to engulf tumor cells, which acts as a major phagocytic barrier. In this study, we developed an exosome-b...

journal_title：Biomaterials

authors： Koh E,Lee EJ,Nam GH,Hong Y,Cho E,Yang Y,Kim IS

更新日期：2017-03-01 00:00:00

abstract：:Antigen-specific treatments are highly desirable for autoimmune diseases in contrast to treatments which induce systemic immunosuppression. A novel antigen-specific therapy has been developed which, when administered semi-therapeutically, is highly efficacious in the treatment of the mouse model for multiple sclerosis...

journal_title：Biomaterials

authors： Cho JJ,Stewart JM,Drashansky TT,Brusko MA,Zuniga AN,Lorentsen KJ,Keselowsky BG,Avram D

更新日期：2017-10-01 00:00:00

abstract：:Embryonic stem cells (ESCs) are promising cell sources for cell-based therapy. It has been established that the formation of ESC aggregates promotes their differentiation into the derivatives of all three germ layers. ESC aggregates are generally prepared via the formation of suspended spherical aggregates called embr...

journal_title：Biomaterials

authors： Sasaki D,Shimizu T,Masuda S,Kobayashi J,Itoga K,Tsuda Y,Yamashita JK,Yamato M,Okano T

更新日期：2009-09-01 00:00:00

abstract：:The infection of an implanted prosthetic material can have serious consequences on the tissue integration of the implant and the scarring process in the host, and may even necessitate replacement of the prosthesis. This study was designed to explore the in vitro effects of Staphylococcus aureus (Sa) and Staphylococcus...

journal_title：Biomaterials

authors： Bellón JM,G-Honduvilla N,Jurado F,Carranza A,Buján J

更新日期：2001-07-01 00:00:00

abstract：:Today, corneal wounds are repaired using nylon sutures. Yet there are a number of complications associated with suturing the cornea, and thus there is interest in an adhesive to replace or supplement sutures in the repair of corneal wounds. We are designing and evaluating corneal adhesives prepared from dendrimers--si...

journal_title：Biomaterials

authors： Grinstaff MW

更新日期：2007-12-01 00:00:00

abstract：:The ability to precisely pattern embryonic stem (ES) cells in vitro into predefined arrays/geometries may allow for the recreation of a stem cell niche for better understanding of how cellular microenvironmental factors govern stem cell maintenance and differentiation. In this study, a new gelatin-based laser direct-w...

journal_title：Biomaterials

authors： Raof NA,Schiele NR,Xie Y,Chrisey DB,Corr DT

更新日期：2011-03-01 00:00:00

abstract：:Rational design and develop of targeted contrast agents binding to cancer-related proteins will achieve more accurate cancer diagnosis and prognosis by magnetic resonance (MR) imaging. CREKA is a tumor-homing pentapeptide (Cys-Arg-Glu-Lys-Ala) specifically homes to fibrin-fibronectin complexes abundantly expressed in ...

journal_title：Biomaterials

authors： Zhou Z,Wu X,Kresak A,Griswold M,Lu ZR

更新日期：2013-10-01 00:00:00

abstract：:After spinal cord injury (SCI), loss of cells and damage to ascending and descending tracts can result in paralysis. Current treatments for SCI are based on patient stabilization, and much-needed regenerative therapies are still under development. To activate and instruct stem and progenitor cells or injured tissue to...

journal_title：Biomaterials

authors： Lowry N,Goderie SK,Lederman P,Charniga C,Gooch MR,Gracey KD,Banerjee A,Punyani S,Silver J,Kane RS,Stern JH,Temple S

更新日期：2012-04-01 00:00:00

abstract：:The management of trauma-associated nerve defects is difficult because of the absence of autologous donor motor or sensory nerves. Pre-clinical development and clinical experience has shown that damaged nerves can be surgically repaired using a tubular conduit interposed across the defect. Acceptable patient outcomes ...

journal_title：Biomaterials

authors： Sierpinski P,Garrett J,Ma J,Apel P,Klorig D,Smith T,Koman LA,Atala A,Van Dyke M

更新日期：2008-01-01 00:00:00

abstract：:Physiologically relevant hepatic cell culture models must be based on three-dimensional (3D) culture of human cells. However, liver cells are generally cultured in two-dimensional (2D) format that deviates from the normal in vivo morphology. We generated 3D culture environment for HepaRG liver progenitor cells using w...

journal_title：Biomaterials

authors： Malinen MM,Kanninen LK,Corlu A,Isoniemi HM,Lou YR,Yliperttula ML,Urtti AO

更新日期：2014-06-01 00:00:00

abstract：:Breast cancer cells (BCC) and macrophages are known to interact via epidermal growth factor (EGF) produced by macrophages and colony stimulating factor-1 (CSF-1) produced by BCC. Despite contradictory findings, this interaction is perceived as a paracrine loop. Further, the underlying mechanism of interaction remains ...

journal_title：Biomaterials

authors： Onal S,Turker-Burhan M,Bati-Ayaz G,Yanik H,Pesen-Okvur D

更新日期：2021-01-01 00:00:00

abstract：:Previous in vivo studies have shown a limited potential for vertical bone regeneration using osteoconductive scaffolds alone. In the present study, we investigated whether the association of adipose-derived adult stem cells (ASCs) with anorganic bovine bone (ABB) scaffold improved bone formation and implant osseointeg...

journal_title：Biomaterials

authors： Pieri F,Lucarelli E,Corinaldesi G,Aldini NN,Fini M,Parrilli A,Dozza B,Donati D,Marchetti C

更新日期：2010-05-01 00:00:00

abstract：:Sol-gel derived porous silica carriers for the controlled release of proteins were synthesized using a room temperature process. The materials are intended to serve as both substrates for bone growth as well as to allow incorporated proteins such as growth factors to diffuse out and stimulate cell function and tissue ...

journal_title：Biomaterials

authors： Santos EM,Radin S,Ducheyne P

更新日期：1999-09-01 00:00:00