Abstract
Objective: To evaluate the effects of VEGF, BMP-7, MatrigelTM, hyaluronic acid, in vitro cultured chondrocytes and trephination to promote and enhance the healing process of avascular meniscal tears in an animal model. Methods: A longitudinal tear was produced in the inner avascular part of the meniscus of 24 sheeps. Each tear was treated with trephination technique and suture. The animals were divided into 6 groups to receive a different treatment: control (I); VEGF, BMP-7, MatrigelTM, hyaluronic acid, in vitro cultured chondrocytes. At 8 weeks from surgery, meniscal samples were explanted and analyzed by histology, immunohistochemistry, and histomorphometry. Results: At the histological examination, Group IV and VI showed a partial closure of the meniscal lesion, whereas Group I, II, III, and V did not show any evidence of healing. In the group IV, the healed tissue represented the 22.95% of the lesion area. In the group VI, the healed tissue represented the 43.75% of the lesion area. Conclusions: Autologous chondrocytes and BMP-7 associated with trephination and suture techniques enhanced healing process of meniscal tears in the avascular inner third of the meniscus in ovine model.
Keywords: BMP-7, cell-therapy, healing, growth factors, meniscus, repair.
Current Stem Cell Research & Therapy
Title:VEGF, BMP-7, MatrigelTM, Hyaluronic Acid, In Vitro Cultured Chondrocytes and Trephination for Healing of the Avascular Portion of the Meniscus. An Experimental Study in Sheep
Volume: 10 Issue: 1
Author(s): Francisco Forriol, Umile Giuseppe Longo, Julio Duart, Purification Ripalda, Javier Vaquero, Mattia Loppini, Giovanni Romeo, Stefano Campi, Wasim S. Khan, Andrea O. Muda and Vincenzo Denaro
Affiliation:
Keywords: BMP-7, cell-therapy, healing, growth factors, meniscus, repair.
Abstract: Objective: To evaluate the effects of VEGF, BMP-7, MatrigelTM, hyaluronic acid, in vitro cultured chondrocytes and trephination to promote and enhance the healing process of avascular meniscal tears in an animal model. Methods: A longitudinal tear was produced in the inner avascular part of the meniscus of 24 sheeps. Each tear was treated with trephination technique and suture. The animals were divided into 6 groups to receive a different treatment: control (I); VEGF, BMP-7, MatrigelTM, hyaluronic acid, in vitro cultured chondrocytes. At 8 weeks from surgery, meniscal samples were explanted and analyzed by histology, immunohistochemistry, and histomorphometry. Results: At the histological examination, Group IV and VI showed a partial closure of the meniscal lesion, whereas Group I, II, III, and V did not show any evidence of healing. In the group IV, the healed tissue represented the 22.95% of the lesion area. In the group VI, the healed tissue represented the 43.75% of the lesion area. Conclusions: Autologous chondrocytes and BMP-7 associated with trephination and suture techniques enhanced healing process of meniscal tears in the avascular inner third of the meniscus in ovine model.
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Forriol Francisco, Longo Giuseppe Umile, Duart Julio, Ripalda Purification, Vaquero Javier, Loppini Mattia, Romeo Giovanni, Campi Stefano, Khan S. Wasim, Muda O. Andrea and Denaro Vincenzo, VEGF, BMP-7, MatrigelTM, Hyaluronic Acid, In Vitro Cultured Chondrocytes and Trephination for Healing of the Avascular Portion of the Meniscus. An Experimental Study in Sheep, Current Stem Cell Research & Therapy 2015; 10 (1) . https://dx.doi.org/10.2174/1574888X09666140710115356
DOI https://dx.doi.org/10.2174/1574888X09666140710115356 |
Print ISSN 1574-888X |
Publisher Name Bentham Science Publisher |
Online ISSN 2212-3946 |
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