HIF1A and neoplasm: Then, we sub-classified the articles for the terms “HIF-1α regulators in cancer”, “HIF-1α and sustained growth factor signaling”, “HIF-1α and evasion from growth suppressors”, “HIF-1α and resistance to apoptosis”, “HIF-1α and replicative immortality”, “HIF-1α and angiogenesis”, “HIF-1α and epithelial–mesenchymal transition”, “HIF-1α and genetic instability”, “HIF-1α and deregulation of cellular energetics”, “HIF-1α and escape from immunosurveillance”, and “HIF-1α and tumor-promoting inflammation”.