A short time window to profit from protection of blood-induced cartilage damage by IL-4 plus IL-10.
Rheumatology (Oxford)
; 52(9): 1563-71, 2013 Sep.
Article
em En
| MEDLINE
| ID: mdl-23418047
ABSTRACT
OBJECTIVE:
IL-4 plus IL-10 prevents blood-induced cartilage damage. The aim of the present study was to evaluate whether cartilage damage can still be averted by addition of IL-4 plus IL-10 when added after the onset of a bleed and whether aspiration of blood prior to addition of IL-4 plus IL-10 is of additive protective value.METHODS:
Healthy canine hip and human shoulder cartilage was exposed to whole blood for 4 days. IL-4 plus IL-10 was administered directly or after a delay of several hours up to 2 days. Furthermore, blood was aspirated after 1 or 2 days and subsequently IL-4 plus IL-10 was added. IL-1ß concentration and cartilage matrix proteoglycan turnover were determined.RESULTS:
Exposure of canine and human cartilage to blood decreased the proteoglycan synthesis rate and content and increased proteoglycan release. IL-4 plus IL-10 only prevented blood-induced damage of canine cartilage when added directly, not after 4 h or later. For human cartilage, IL-4 plus IL-10 limited blood-induced damage as well as IL-1ß production when administered within 4-8 h after the onset of a bleed, but not thereafter. Aspiration of blood within 24 h fully prevented cartilage damage. Subsequent addition of IL-4 plus IL-10 was not of additive value.CONCLUSION:
For humans, there is a short time window after onset of a joint bleed in which IL-4 plus IL-10 can limit blood-induced cartilage damage. Furthermore, aspiration of a joint to shorten blood exposure fully prevents cartilage damage. Both options can be considered in the treatment of a joint haemorrhage.Palavras-chave
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Cartilagem Articular
/
Interleucina-4
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Interleucina-10
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Hemartrose
Idioma:
En
Ano de publicação:
2013
Tipo de documento:
Article