Lactate Activates HIF-1 in Oxidative but Not in Warburg-Phenotype Human Tumor Cells De Saedeleer, Christophe J. ; Copetti, Tamara ; Porporato, Paolo E. ; Verrax, Julien ; Feron, Olivier ; Sonveaux, Pierre Abstract Publication: PLoS ONE Pub Date: October 2012 DOI: 10.1371/journal.pone.0046571 Bibcode: 2012PLoSO...746571D