EIF3H (eukaryotic translation initiation factor-3 subunit H) is a subunit of the eukaryotic translation initiation factor 3 (EIF3). EIF3 is a complex crucial for the translation initiation pathway. EIF3H is upregulated in colorectal cancer and is associated with cancer growth and invasiveness. Upregulation of EIF3H is linked to proliferation, growth and survival. It is overexpressed in prostate, breast and liver cancer.