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  • Title: Detection of heat shock protein 27, 70, 90 expressions in primary parenchymatous organs of goats after transport stress by real-time PCR and ELISA.
    Author: Hu W, Fang M, Yang Y, Ye T, Liu B, Zheng W.
    Journal: Vet Med Sci; 2020 Nov; 6(4):788-795. PubMed ID: 32710597.
    Abstract:
    Transport stress causes a series of problems to goat production, such as tissue injury and immunity damage. As a pro-survival pathway, the heat shock response protects healthy cells of goat from stressors. To evaluate the effects of transport stress on heat shock protein (HSPs) expression on goat primary parenchymatous organs, a total of three batches of goats were treated in this study. For each batch, 12 healthy adult male goats were randomly and averagely divided into three groups: Control group (non-transported group), 2 hr transported group and 6 hr transported group. Real-time PCR results indicated that the mRNA expression level of heat shock protein 27 (HSP27) in all examined organs of 2 hr transport-treated goats were upregulated (p < .05) except lung, and heat shock protein 70 (HSP70; except spleen) and heat shock protein 90 (HSP90; except liver and lung) were also increased (p < .05). In 6 hr transported group, the transcription levels of HSP27 (except heart and kidney), HSP70 (except heart, liver and lymph nodes) and HSP90 (except heart and spleen) were all backed to the original levels or even reduced (p < .05). Enzyme-linked immunosorbent assay (ELISA) results showed that the protein levels of HSP27 (except lymph nodes), HSP70 (except spleen) and HSP90 (except liver and lung) were all increased after 2 hr transport (p < .05). After 6 hr transport, HSP27 only in kidney and HSP70 only in heart and liver were upregulated (p < .05), while HSP90 in all the examined organs except liver and lung were also maintained in relatively high levels (p < .05). Taken together, these results suggested that the expression of HSPs in goat primary parenchymatous organs may be regulated by transport stress time. Moreover, this study also provides some new data to advocate reducing transport stress of goats and improving animal welfare.
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