HIF3A and neoplasm: In addition to the previously mentioned target of HIF3α, other identified miR-210 target genes are myriad and are involved in a wide variety of biological processes and pathways including but not limited to hypoxia, angiogenesis, proliferation, apoptosis, neurogenesis, cell differentiation, and complex tumor type-dependent roles as both an oncogene and tumor suppressor (70, 71).