期刊
RESEARCH IN VETERINARY SCIENCE
卷 131, 期 -, 页码 244-253出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.rvsc.2020.05.007
关键词
Avian; Bone; Blood vessels; Erythrocytes; rGSTA3 protein
资金
- National Key RD Program [2016YFD0500800]
- Shanxi Scholarship Council of China [2017-073]
- Key Scientific and Technological Innovation platform of Jinzhong [P171002-3]
- National Natural Science Foundation of China [31072179]
- Key Technologies R&D Program of Shanxi Province [20130311027-3]
- 131 Leading Talent Project for Colleges and Universities of Shanxi Province
Tibial dyschondroplasia (TD) is a skeletal deformity disease in broilers that occurs when vascularization in the growth plate (GP) is below normal. Although, blood vessels have been reported to contribute significantly in bone formation. Therefore, in the current study, we have examined the mRNA expression of angiogenesis-related genes in erythrocytes of thiram induced TD chickens by qRT-PCR and performed histopathological analysis to determine regulatory effect of recombinant Glutathione-S-Transferase A3 (rGSTA3) protein in response to the destructive effect of thiram following the injection of rGSTA3 protein. Histopathology results suggested that, blood vessels of GPs were damaged in thiram induced TD chicken group (D), it also affected the area and density of blood vessels. In the 20 and 50 mu g.kg(-1) of rGSTA3 protein-administered groups, E and F vessels appeared to be normal and improved on day 6 and 15. Furthermore, qRT-PCR results showed that rGSTA3 protein significantly (P < .05) up-regulated the expression of the most important angiogenesis-related integrin family genes ITGA2, ITGA5, ITGB2, ITGB3, ITGAV. The expression level of other genes including TBXA2R, FYN, IQGAP2, IL1R1, GIT1, RAP1B, RPL17, RAC2, MAML3, PTPN11, VAV1, PTCH1, NCOR2, CLU and ITGB3 up-regulated on dosage of rGSTA3 protein. In conclusion, angiogenesis is destroyed in thiram induced TD broilers, and rGSTA3 protein injection improved the vascularization of GPs by upregulating the angiogenesis related genes most importantly integrin family genes ITGAV, ITGA2, ITGB2, ITGB3, ITGA5.
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