Hsp70 and HSF-1 expression is altered in the tissues of pigs transported for various periods of times.
J Vet Sci
; 13(3): 253-9, 2012 Sep.
Article
en En
| MEDLINE
| ID: mdl-23000582
ABSTRACT
The aim of this study was to assess changes of Hsp70 and HSF-1 protein and mRNA expression in stress-sensitive organs of pigs during transportation for various periods of time. Twenty pigs were randomly divided into four groups (0 h, 1 h, 2 h, and 4 h of transportation). A significant increased activity of AST and CK was observed after 1 h and 2 h of transportation. Histopathological changes in the heart, liver, and stomach indicated that these organs sustained different degrees of injury. Hsp70 protein expression in the heart and liver of transported pigs did not change significantly while it increased significantly (p < 0.05) in the stomach. Hsp70 mRNA levels decreased significantly (p < 0.05) in the heart after 4 h of transportation. However, mRNA expression increased significantly in the liver after 1 (p < 0.05) and 4 h (p < 0.01) of transportation, and increased significantly in the stomach of the transported pigs after 1, 4 (p < 0.01), and 2 h (p < 0.05). HSF-1 levels were reduced at 1 and 4 h (p < 0.05) only in the hearts of transported pigs. These results indicate that Hsp70 mediates distinct stress-related functions in different tissues during transportation.
Texto completo:
1
Banco de datos:
MEDLINE
Asunto principal:
Porcinos
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Factores de Transcripción
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Transportes
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Proteínas HSP70 de Choque Térmico
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Proteínas de Unión al ADN
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Mucosa Gástrica
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Hígado
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Miocardio
Límite:
Animals
Idioma:
En
Año:
2012
Tipo del documento:
Article