cell hypoxia Animals 18 controlled study 18 nonhuman 18 unclassified drug 18 Drosophila melanogaster 14 Humans 14 Oxygen 14 animal cell 14 human 14 priority journal 14 DNA-Binding Proteins 12 Drosophila Proteins 12 Hypoxia-Inducible Factor 1, alpha Subunit 12 animal 12 article 12 embryo 12 metabolism 12 protein localization 12 Drosophila 10 Procollagen-Proline Dioxygenase 10 gene overexpression 10 genetics 10 hypoxia inducible factor 1alpha 10 oxygen 10 procollagen proline 2 oxoglutarate 4 dioxygenase 10 protein expression 10 Anoxia 8 Cell Hypoxia 8 Drosophila protein 8