Novel hemostatic agents based on gelatin-microbial transglutaminase mix.
Sci China Life Sci
; 60(4): 397-403, 2017 Apr.
Article
em En
| MEDLINE
| ID: mdl-28321657
ABSTRACT
Hemostasis is a major challenge in surgical procedures and traumas. Conventional hemostatic methods have limited efficacy and may cause additional tissue damage. In this study, we designed a novel hemostatic agent based on the in situ gel formation of gelatin cross-linked by a novel microbial transglutaminase (mTGase), in which the amino acid sequences differed from commercial mTGases. The new hemostatic agent showed the same biochemical crosslinking chemistry as the final stages of the blood coagulation cascade while using gelatin as a "structural" protein (rather than fibrin) and a calcium-independent mTGase as the crosslinking catalyst (rather than factor XIIIa). In rat liver hemostasis models, the hemostatic agent not only showed a similar hemostatic effect as that of SURGIFLO® (positive control), but also stronger adhesion strength and elasticity than SURGIFLO®. Therefore, this biomimetic gelatin-mTGase mix hemostatic is a novel and effective surgical sealant.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Streptomycetaceae
/
Hemostáticos
/
Transglutaminases
/
Gelatina
Tipo de estudo:
Prognostic_studies
Limite:
Animals
Idioma:
En
Revista:
Sci China Life Sci
Assunto da revista:
BIOLOGIA
/
CIENCIA
Ano de publicação:
2017
Tipo de documento:
Article
País de afiliação:
China