Articular chondroprogenitors in platelet rich plasma for treatment of osteoarthritis and osteochondral defects in a rabbit knee model

The Knee ◽  
2021 ◽  
Vol 30 ◽  
pp. 51-62
Author(s):  
Elizabeth Vinod ◽  
Soosai Manickam Amirtham ◽  
Upasana Kachroo ◽  
Anjali Goyal ◽  
Ozlem Ozbey ◽  
...  
2008 ◽  
Vol 16 ◽  
pp. S48-S49
Author(s):  
Y. Tochigi ◽  
T.O. McKinley ◽  
A.D. Heiner ◽  
D.C. Fredericks ◽  
J.A. Bobst ◽  
...  
Keyword(s):  

Cytotherapy ◽  
2021 ◽  
Vol 23 (4) ◽  
pp. 20
Author(s):  
JA Villanova ◽  
FM Oliveira ◽  
JC Wenceslau ◽  
DL Bona ◽  
L Fracaro ◽  
...  

Nanomaterials ◽  
2020 ◽  
Vol 10 (8) ◽  
pp. 1504
Author(s):  
Eva Filová ◽  
Zbyněk Tonar ◽  
Věra Lukášová ◽  
Matěj Buzgo ◽  
Andrej Litvinec ◽  
...  

Hydrogels are suitable for osteochondral defect regeneration as they mimic the viscoelastic environment of cartilage. However, their biomechanical properties are not sufficient to withstand high mechanical forces. Therefore, we have prepared electrospun poly-ε-caprolactone-chitosan (PCL-chit) and poly(ethylene oxide)-chitosan (PEO-chit) nanofibers, and FTIR analysis confirmed successful blending of chitosan with other polymers. The biocompatibility of PCL-chit and PEO-chit scaffolds was tested; fibrochondrocytes and chondrocytes seeded on PCL-chit showed superior metabolic activity. The PCL-chit nanofibers were cryogenically grinded into microparticles (mean size of about 500 µm) and further modified by polyethylene glycol–biotin in order to bind the anti-CD44 antibody, a glycoprotein interacting with hyaluronic acid (PCL-chit-PEGb-antiCD44). The PCL-chit or PCL-chit-PEGb-antiCD44 microparticles were mixed with a composite gel (collagen/fibrin/platelet rich plasma) to improve its biomechanical properties. The storage modulus was higher in the composite gel with microparticles compared to fibrin. The Eloss of the composite gel and fibrin was higher than that of the composite gel with microparticles. The composite gel either with or without microparticles was further tested in vivo in a model of osteochondral defects in rabbits. PCL-chit-PEGb-antiCD44 significantly enhanced osteogenic regeneration, mainly by desmogenous ossification, but decreased chondrogenic differentiation in the defects. PCL-chit-PEGb showed a more homogeneous distribution of hyaline cartilage and enhanced hyaline cartilage differentiation.


2016 ◽  
Vol 22 ◽  
pp. 1280-1290 ◽  
Author(s):  
Wen-Jing Yin ◽  
Hai-Tao Xu ◽  
Jia-Gen Sheng ◽  
Zhi-Quan An ◽  
Shang-Chun Guo ◽  
...  

2020 ◽  
Vol 108 (4) ◽  
pp. 1428-1438 ◽  
Author(s):  
Javier Zurriaga Carda ◽  
Maria L. Lastra ◽  
Carmen M. Antolinos‐Turpin ◽  
Rosa M. Morales‐Román ◽  
María Sancho‐Tello ◽  
...  

2018 ◽  
Vol 4 (1) ◽  
pp. e000318 ◽  
Author(s):  
Ahmed Aly Elghawy ◽  
Carlos Sesin ◽  
Michael Rosselli

ObjectiveTo provide a review of osteochondral lesions of the talus, to discuss the evidence of the risks and benefits of platelet-rich plasma (PRP) as a viable treatment option, and to measure the efficacy of PRP using MRI evidence of cartilage regeneration, as well as scales that measure improvement in ‘pain’ and ‘functionality’.Eligibility criteriaStudies that use PRP in either conservative or intraoperative settings to treat osteochondral defects of the talus.ResultsThere are seven studies that compare hyaluronic acid or standard surgical options against PRP in treating osteochondral lesions of the talus. Five studies use PRP as supplemental treatment in intraoperative settings, while two studies use PRP conservatively as intra-articular injections. There were minimal adverse effects. Pain and functionality scores consistently improved in those who underwent PRP treatments over the course of 4 years. MRI showed significant but inconsistent results in chondral regeneration.ConclusionPRP may show clinical benefit in those with osteochondral lesions of the talus in terms of pain and functionality, although chondral regeneration via MRI is inconsistent. Limitations include the small sample sizes in these seven studies, as well as no standardised formula for PRP preparation.Clinical relevanceTo serve as an overview of the literature regarding PRP treatment for osteochondral lesions of the talus and how this modality may improve patient outcomes in pain, functionality and chondral regeneration. A case is reported to complement the subject review.


2007 ◽  
Vol 15 ◽  
pp. B143
Author(s):  
M. Lundberg ◽  
L.A. Solchaga ◽  
J.E. Dennis ◽  
V.M. Goldberg ◽  
A. Caplan

Author(s):  
Christiaan J.A. Van Bergen ◽  
Murat Özdemir ◽  
Gino M.M.J. Kerkhoffs ◽  
Clara M. Korstjens ◽  
Leo J. van Ruijven ◽  
...  

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