Detection of collagenase-induced damage of collagen by 9A4, a monoclonal C-terminal neoepitope antibody
| Autor: | James T. Downs, Hans Stukenbrok, Caryl Lane, Peter S. Mezes, Marcia L. Bliven, Ivan G. Otterness, Anthony J. Milici, Debra N. Scampoli |
|---|---|
| Rok vydání: | 1999 |
| Předmět: |
Cartilage
Articular Lipopolysaccharides medicine.drug_class Physical Exertion Type II collagen Inflammation Monoclonal antibody Epitopes Mice Antibody Specificity Cricetinae Collagen network medicine Animals Collagenases Molecular Biology Osteochondritis Mice Inbred BALB C Mesocricetus Chemistry Cartilage Antibodies Monoclonal Surface Plasmon Resonance Molecular biology Immunohistochemistry Collagen type I alpha 1 Microscopy Electron medicine.anatomical_structure Eburnation Immunology Acute Disease Collagenase Female Collagen medicine.symptom medicine.drug |
| Zdroj: | Matrix biology : journal of the International Society for Matrix Biology. 18(4) |
| ISSN: | 0945-053X |
| Popis: | To determine whether the collagen network is compromised by collagenase during acute inflammation, a monoclonal antibody (9A4) was developed with specificity for the C-terminal neoepitope sequence generated by collagenase-cleavage of type II collagen (Gly–Pro–Pro–Gly–Pro–Gln–Gly–COOH). 9A4 was shown to detect the collagen collagenase-cleavage neoepitope with a K =1.7×10 −7 M (type II) and K =2×10 −6 M (type I). It does not recognize uncleaved native or denatured collagen. Articular cartilage from control animals is unstained by 9A4. During acute inflammation elicited in hamsters by intra-articular LPS, positive staining for the 9A4 neoepitope indicated the collagen was damaged. Wheel running exercise was used to apply stress to control cartilage and cartilage from animals with damaged collagen. After 6 months of running, the cartilage from normal animals was unaffected. By contrast, in the group with damaged collagen, the cartilage was fibrillated in all animals and in half of those, the cartilage failed and bony eburnation resulted. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full Text from ScienceDirect