@article{MAKHILLJAVA201110162913, title = {Expression Analysis of HIF-1α and HIF-2α Genes in Tibetan Chicken under Normoxia and Hypoxia}, journal = {Journal of Animal and Veterinary Advances}, volume = {10}, number = {16}, pages = {2172-2175}, year = {2011}, issn = {1680-5593}, doi = {javaa.2011.2172.2175}, url = {https://makhillpublications.co/view-article.php?issn=1680-5593&doi=javaa.2011.2172.2175}, author = {M.,J.B.,X.X.,Y. and}, keywords = {hypoxia,normoxia,HIF-2a,HIF-1a,Tibetan chicken,adaptability}, abstract = {Tibetan chicken is one of those chicken breeds that could adapt to high altitude and low O2 tension environment; it owes an integrative genetic mechanism for hypoxia adaptability compared to lowland chicken breeds. HIF-1α and HIF-2α are the central factors playing important roles in maintaining organisms’s oxygen homeostasis. In this study, the expression of HIF-1α and HIF-2α genes were investigated by Real Time-PCR in Tibetan chicken and Dwarf chicken embryo brain tissue under normoxia (21% oxygen concentration) and hypoxia (13% oxygen concentration). The results showed that Tibetan chicken always had lower mortality than Dwarf chicken during the incubation. We also detected higher HIF-αs expression at the late of incubation (18th day) compared with that at 12th day in all tested samples; we further obtained the expression pattern of HIF-αs genes in dead embryos was opposite to that in live embryos.} }