Journal of Veterinary Clinics (한국임상수의학회지)

The Korean Society of Veterinary Clinics (한국임상수의학회)
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The Changes of Osteocalcin and Procollagen Carboxy-terminal Propeptide on Healing in Canine Fracture Models

개의 골절 모델에서 골절치유에 따른 Osteocalcin 및 Procollagen Carboxy-terminal Propeptide의 변화

  • Published : 2002.12.01
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Abstract

The purpose of this investigation was to examine the effects of osteocalcin (serum bone GLA-protein, BGP) and procollagen carboxy-terminal propeptide (PICP) on new bone formation of canine fracture models. Serum osteocalcin and PICP were measured by standard RIA. The values of osteocalcin and PICP in the non-union and delayed-union fracture models were measured biweekly for 20 weeks in 14 dogs. The unions were radiographed for fracture healing. In non-union fracture group, the activity of BGP was markedly increased at four to eight weeks and decreased at twelve to twenty weeks and the activity of PICP was markedly increased at two to six weeks and slightly decreased at sixteen to twenty weeks. In delayed-union fracture group, the activity of BGP was markedly increased at two to eight weeks after treatment and maintained for the level until twenty weeks and the activity of PICP was markedly increased at two to six weeks after treatment and maintained for the level until twenty weeks. Radiologically, non-union group was not achieved until twenty weeks after fracture, delayed-union group was successfully achieved in eighteen weeks after fracture. These results suggested that the. activities of osteocalcin and PICP are useful parameters for biochemical markers of bone formation in dogs.

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