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Comparison between two different experimental models of osteoarthritis in rabbits. Intra-articular collagenase injection and anterior cruciate ligament transection
Hermeto, Larissa Correa; Rossi, Rafael De; Jardim, Paulo Henrique de Affonseca; Santana, Aureo Evangelista; Rinaldi, Jaqueline de Carvalho; Justulin, Luis Antonio.
  • Hermeto, Larissa Correa; Universidade Federal do Mato Grosso do Sul. Veterinary Medicine and Animal Science School. Postgraduate Program in Veterinary Sciences. BR
  • Rossi, Rafael De; Universidade Federal do Mato Grosso do Sul. Veterinary Medicine and Animal Science School. Postgraduate Program in Veterinary Sciences. BR
  • Jardim, Paulo Henrique de Affonseca; Universidade Federal do Mato Grosso do Sul. Veterinary Medicine and Animal Science School. Postgraduate Program in Veterinary Sciences. BR
  • Santana, Aureo Evangelista; Universidade Federal do Mato Grosso do Sul. Veterinary Medicine and Animal Science School. Postgraduate Program in Veterinary Sciences. BR
  • Rinaldi, Jaqueline de Carvalho; Universidade Federal do Mato Grosso do Sul. Veterinary Medicine and Animal Science School. Postgraduate Program in Veterinary Sciences. BR
  • Justulin, Luis Antonio; Universidade Federal do Mato Grosso do Sul. Veterinary Medicine and Animal Science School. Postgraduate Program in Veterinary Sciences. BR
Acta cir. bras ; 31(9): 602-607, Sept. 2016. graf
Article in English | LILACS | ID: lil-795993
Responsible library: BR1.1
ABSTRACT
ABSTRACT

PURPOSE:

To compare two different experimental models of osteoarthritis in rabbits intra-articular collagenase injection and anterior cruciate ligament transection.

METHODS:

Ten adult rabbits were randomly divided in two groups COLL (collagenase group) and ACLT (anterior cruciate ligament transection). The COLL group was treated with 0.5 ml collagenase solution (2mg collagenase/0.5 ml sterile PBS), and the ACTL group was subjected to anterior cruciate ligament. After six and twelve weeks, respectively, the animals in the COLL and ACTL groups were euthanized. The gross appearance and histological examinations conducted in the cartilage articular surface was blindly scored according to the criteria developed by Yoshimi et al. (1994) and Mankin et al. (1971), respectively.

RESULTS:

The gross morphologic observation, macroscopic score and histological examinations have demonstrated that the ACTL group presented the highest scores, and lesions more severe than those in the COLL group.

CONCLUSIONS:

Both methods, anterior cruciate ligament transection and collagenase, applied to the stifle joint of the rabbits have effectively induced degenerative changes in the cartilage tissue, through statistically significant analysis (p≤0.05). The ACTL method has presented more severe lesions.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Osteoarthritis / Cartilage, Articular / Anterior Cruciate Ligament / Collagenases / Disease Models, Animal Limits: Animals Language: English Journal: Acta cir. bras Journal subject: General Surgery / Procedimentos Cir£rgicos Operat¢rios Year: 2016 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal do Mato Grosso do Sul/BR

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Full text: Available Index: LILACS (Americas) Main subject: Osteoarthritis / Cartilage, Articular / Anterior Cruciate Ligament / Collagenases / Disease Models, Animal Limits: Animals Language: English Journal: Acta cir. bras Journal subject: General Surgery / Procedimentos Cir£rgicos Operat¢rios Year: 2016 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal do Mato Grosso do Sul/BR