期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 207, 期 -, 页码 905-916出版社
ELSEVIER
DOI: 10.1016/j.ijbiomac.2022.03.177
关键词
Tumor necrosisfactor-alpha-induced protein eight; like 1; Fatty liver hemorrhage syndrome; Polyclonal antibody; Chicken
资金
- National Natural Science Foundation of China (Beijing, P. R. China) [32060819]
This study successfully cloned the full-length coding sequence of chicken TIPE1 and produced a polyclonal antibody for TIPE1. Tissue distribution analysis and immunohistochemistry observation revealed that TIPE1 is widely expressed in various tissues of chickens and its expression is reduced in chickens with FLHS.
Tumor necrosis factor-alpha-induced protein eight like 1 (TIPE1) plays important role in autophagy, immunity, and lipid metabolism. The potential role of TIPE1 in fatty liver hemorrhage syndrome (FLHS) is elusory. In the present study, the full-length coding sequence of TIPE1 was cloned, and the polyclonal antibody of TIPE1 was produced by the recombinant TIPE1 protein. The bioinformatic analysis showed that the chicken TIPE1 protein, which was predicted to be a hydrophobic and non-transmembrane protein without signal peptide was highly different from that of mammals. Furthermore, proceeded by using TIPE1 polyclonal antibody, the tissue distribution analysis showed that TIPE1 protein is ubiquitously expressed in various tissues in adult hens and chicks, with its level being higher in the liver and, spleen, moderate in intestinal, brain, and heart. Besides, immunohistochemistry and immunofluorescence observation demonstrated that TIPE1 mainly existed in the cytoplasm in liver, duodenum, and cecum cell. Notably, the TIPE1 expressions were significantly decreased in laying hens suffering from FLHS. Collectively, these results showed that the chicken TIPE1 polyclonal antibody was successfully prepared and further used to analyze the expression profiles of chicken. And the expression of TIPE1 was reduced in FLHS which provided the foundation for further investigation in FLHS.
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