controlled study 6 ligand 6 tissue oxygenation 6 unclassified drug 6 Animals 4 Anoxia 4 Body Patterning 4 DEVBIO 4 DNA-Binding Proteins 4 Drosophila 4 Drosophila Proteins 4 Drosophila melanogaster 4 Fibroblast Growth Factors 4 Gene Expression Regulation, Developmental 4 Hypoxia-Inducible Factor 1, alpha Subunit 4 Larva 4 Mammalia 4 Oxygen 4 Phenotype 4 Procollagen-Proline Dioxygenase 4 Protein-Tyrosine Kinases 4 Receptors, Fibroblast Growth Factor 4 angiogenesis 4 animal cell 4 article 4 cell hypoxia 4 cell protein 4 embryo 4 fibroblast growth factor receptor 4 gene overexpression 4