Results 131 to 140 of about 5,745,585 (307)

Trafficking of Mesenchymal Stem Cells

open access: yes, 2011
In adult life mesenchymal stem cells (MSCs) reside primarily in the bone marrow and are defined according to their ability to self-renew and differentiate into tissues of mesodermal origin. Due to their immuno-modulatory properties and ability to form cartilage and bone, MSCs have clinical potential, for the treatment of autoimmune diseases and tissue ...
openaire   +2 more sources

Comprehensive In Vitro Profiling Demonstrates Successful Immune Evasion of Bioengineered Immune‐Shielded Heart Valves

open access: yesAdvanced Healthcare Materials, EarlyView.
Living donor heart valves offer superior durability for pediatric patients but trigger immune rejection. Lentiviral delivery of viral immune‐evasion genes US2 and Serpin b9 into donor valve cells and valve tissue suppresses HLA expression, reduces PBMC clustering and cytotoxic killing, and induces transcriptional immune‐tolerance programs, paving the ...
Abraham van Wijk   +11 more
wiley   +1 more source

Mesenchymal stem cell–derived small extracellular vesicles enhance the therapeutic effect of retinal progenitor cells in retinal degenerative disease rats

open access: yesNeural Regeneration Research
Our previous study demonstrated that combined transplantation of bone marrow mesenchymal stem cells and retinal progenitor cells in rats has therapeutic effects on retinal degeneration that are superior to transplantation of retinal progenitor cells ...
Chunge Ren   +12 more
doaj   +1 more source

GDNF‐Enriched Small Extracellular Vesicle‐Loaded ROS‐Scavenging Hydrogel Promotes Neural Regeneration After Spinal Cord Injury

open access: yesAdvanced Healthcare Materials, EarlyView.
A glial cell line‐derived neurotrophic factor (GDNF)‐enriched small extracellular vesicle‐loaded reactive oxygen species (ROS)‐scavenging hydrogel integrates sustained neurotrophic delivery with local modulation of oxidative and inflammatory stress after spinal cord injury. The composite hydrogel improves local vesicle retention, protects neural tissue,
Xingyu Zhu   +13 more
wiley   +1 more source

HUMAN MESENCHYMAL STEM CELLS AS A MODEL OF STUDY FOR NEW BIOMATERIALS IN BONE TISSUE REGENERATION [PDF]

open access: yes, 2012
The reconstruction of large bone segments remains a critical clinical problem in the case of extensive bone loss due to traumatic or pathological events. Due to its ideal biocompatibility and osteogenic properties, autologous bone is still considered the
Manfrini, Marco
core  

Microfluidic Engineering of Microgels: A Review of Emerging Technologies, Materials, Fabrication Strategies, and Applications

open access: yesAdvanced Healthcare Materials, EarlyView.
Recent advances in microfluidic technologies for microgel fabrication are critically reviewed, highlighting the capabilities and limitations of major microfluidic platforms and discussing how platform design, material selection, and crosslinking strategies influence microgel architecture and functionality. Current challenges and future opportunities in
Afshin Abrishamkar   +6 more
wiley   +1 more source

Chondrogenic potential of human articular chondrocytes and skeletal stem cells: a comparative study

open access: yes, 2015
Regenerative medicine strategies have increasingly focused on skeletal stem cells (SSCs), in response to concerns such as donor site morbidity, dedifferentiation and limited lifespan associated with the use of articular chondrocytes for cartilage repair.
Li, Siwei   +3 more
core   +1 more source

Spatial Control of Light‐Responsive Proteins and Optogenetics Within Hydrogels via Volumetric Bioprinting

open access: yesAdvanced Materials, EarlyView.
Spatiotemporal control over cell behavior within bioprinted constructs remains a key challenge in biofabrication. Volumetric bioprinting using multi‐wavelength light sources permits to activate light‐sensitive intracellular proteins as well as optogenetic gene and protein expression circuits in bioprinted cells, in addition to enabling fast printing of
Davide Ribezzi   +14 more
wiley   +1 more source

Advanced Materials for Biologics Delivery to Brain Tumors

open access: yesAdvanced Materials, EarlyView.
Material innovation is central to unlocking the therapeutic potential of biologics against many central nervous system diseases, including brain cancer. By engineering carriers with controlled transport, targeting, and release properties, advanced materials can overcome the blood–brain barrier and tumor microenvironment, improving the delivery of ...
Yuran Feng   +4 more
wiley   +1 more source

Bioengineered Interfaces for Peripheral Nerve Sensory Restoration

open access: yesAdvanced Materials, EarlyView.
Half of amputees abandon their prosthetics for lack of feeling. This review charts the full path from peripheral nerve injury to restored sensation, through surgical, regenerative, noninvasive, and implanted approaches, and shows how injury type and interface material properties determine which strategy can deliver naturalistic feedback, and why ...
Sydney Swedick   +4 more
wiley   +1 more source

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