|
1
|
Kaux JF, Libertiaux V, Dupont L, Colige A, Denoël V, Lecut C, Hego A, Gustin M, Duwez L, Oury C, Gothot A, Greimers L, Drion P. Platelet-rich plasma (PRP) and tendon healing: comparison between fresh and frozen-thawed PRP. Platelets 2019; 31:221-225. [PMID: 30915890 DOI: 10.1080/09537104.2019.1595563] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/30/2022]
Abstract
Platelet-rich plasma (PRP) is increasingly used in the treatment of musculoskeletal diseases. Its preservation by freezing it for the realization of multiple injections in clinical use has never been discussed. Calcaneal tendons of rats were surgically sectioned. Platelet concentration of the PRP was 2.5 x 106/µl with autologous plasma of rats. Frozen-thawed PRP was prepared by performing two cycles of freezing and thawing on PRP aliquots. Both platelet preparations were injected in the lesion. Biomechanical and histological evaluations were carried out after 7, 20 or 40 days post surgery. After 7 and 40 days, no significant difference was observed between the PRP and the frozen-thawed PRP group. There is however a difference 20 days after surgery: the ultimate tensile strength (UTS) was greater in the fresh PRP group. No obvious difference with histological aspect was observed between the two groups. In conclusion, fresh PRP and frozen-thawed PRP injections can lead to similar results in the healing process of section calcaneal tendons of rats. Improvements with fresh PRP are slight. PRP could thus be frozen to be preserved if multiple injections are needed (e.g. osteoarthritis).
Collapse
Affiliation(s)
- Jean-François Kaux
- Physical Medicine and Sports Traumatology Department, SportS2, FIFA Medical Centre of Excellence, University and University Hospital of Liège, Liège, Belgium.,Department of Sport and Rehabilitation Science, University of Liège, Liège, Belgium
| | - Vincent Libertiaux
- Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Laura Dupont
- Laboratory of Connective Tissues Biology, GIGA-R, University of Liège, Liège, Belgium
| | - Alain Colige
- Laboratory of Connective Tissues Biology, GIGA-R, University of Liège, Liège, Belgium
| | | | - Christelle Lecut
- Department of Laboratory Hematology, University and University Hospital of Liège, Liège, Belgium
| | - Alexandre Hego
- Laboratory of Cardiology, GIGA-Cardiovascular Sciences, University of Liège, Liège, Belgium
| | - Maxime Gustin
- Laboratory of Cardiology, GIGA-Cardiovascular Sciences, University of Liège, Liège, Belgium
| | - Luc Duwez
- Experimental Surgery, GIGA-R & Credec, University of Liège, Liège, Belgium
| | - Cécile Oury
- Laboratory of Cardiology, GIGA-Cardiovascular Sciences, University of Liège, Liège, Belgium
| | - André Gothot
- Department of Laboratory Hematology, University and University Hospital of Liège, Liège, Belgium
| | - Laura Greimers
- Experimental Surgery, GIGA-R & Credec, University of Liège, Liège, Belgium
| | - Pierre Drion
- Experimental Surgery, GIGA-R & Credec, University of Liège, Liège, Belgium
| |
Collapse
|
|
2
|
Verger E, Drion P, Meffre G, Bernard C, Duwez L, Lepareur N, Couturier O, Hindré F, Hustinx R, Lacoeuille F. 68Ga and 188Re Starch-Based Microparticles as Theranostic Tool for the Hepatocellular Carcinoma: Radiolabeling and Preliminary In Vivo Rat Studies. PLoS One 2016; 11:e0164626. [PMID: 27741267 PMCID: PMC5065223 DOI: 10.1371/journal.pone.0164626] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Accepted: 09/28/2016] [Indexed: 12/31/2022] Open
Abstract
Purpose This work aims to develop, validate and optimize the radiolabeling of Starch-Based Microparticles (SBMP) by 188Re and 68Ga in the form of ready-to-use radiolabeling kits, the ultimate goal being to obtain a unique theranostic vector for the treatment of Hepatocellular Carcinoma. Methods Optimal labeling conditions and composition of freeze-dried kits were defined by monitoring the radiochemical purity while varying several parameters. In vitro stability studies were carried out, as well as an in vivo biodistribution as a preliminary approach with the intra-arterial injection of 68Ga radiolabeled SBMP into the hepatic artery of DENA-induced rats followed by PET/CT imaging. Results Kits were optimized for 188Re and 68Ga with high and stable radiochemical purity (>95% and >98% respectively). The in vivo preliminary study was successful with more than 95% of activity found in the liver and mostly in the tumorous part. Conclusion SBMP are a promising theranostic agent for the Selective Internal Radiation Therapy of Hepatocellular carcinoma.
Collapse
Affiliation(s)
- Elise Verger
- INSERM UMR-S 1066 MINT (Micro- et Nano-médecines Biomimétiques), University of Angers, Angers, France
- Nuclear Medicine department, CHU de Liège, University of Liège, Liège, Belgium
- * E-mail:
| | - Pierre Drion
- Animal Facility, Experimental Surgery, GIGA-R & Credec, University of Liège, Liège, Belgium
| | - Geneviève Meffre
- Nuclear Medicine department, CHU de Liège, University of Liège, Liège, Belgium
| | - Claire Bernard
- Nuclear Medicine department, CHU de Liège, University of Liège, Liège, Belgium
| | - Luc Duwez
- Animal Facility, Experimental Surgery, GIGA-R & Credec, University of Liège, Liège, Belgium
| | - Nicolas Lepareur
- Nuclear Medicine Department, Centre de Lutte Contre le Cancer (CLCC) Eugène Marquis, INSERM U991, Rennes, France
| | - Olivier Couturier
- Nuclear Medicine department, CHU d'Angers, University of Angers, Angers, France
| | - François Hindré
- INSERM UMR-S 1066 MINT (Micro- et Nano-médecines Biomimétiques), University of Angers, Angers, France
- PRIMEX (Plateforme de Radiobiologie et d'IMagerie EXperimentale), University of Angers, Angers, France
| | - Roland Hustinx
- Nuclear Medicine department, CHU de Liège, University of Liège, Liège, Belgium
| | - Franck Lacoeuille
- INSERM UMR-S 1066 MINT (Micro- et Nano-médecines Biomimétiques), University of Angers, Angers, France
- Nuclear Medicine department, CHU d'Angers, University of Angers, Angers, France
- PRIMEX (Plateforme de Radiobiologie et d'IMagerie EXperimentale), University of Angers, Angers, France
| |
Collapse
|
|
3
|
Menten-Dedoyart C, Couvreur B, Jolois O, Van Lerberghe P, Duwez L, Drion P, Heinen E. Kinetic study of the antibody response during the blood meal of Ixodes ricinus: Implication on plasma cell maturation in vivo and for anti-Ixodes vaccination. Vaccine 2011; 29:2044-50. [DOI: 10.1016/j.vaccine.2011.01.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2010] [Revised: 01/05/2011] [Accepted: 01/09/2011] [Indexed: 11/29/2022]
|