• Treatment of HepA tumour-bearing mice with extract increased proportion of IFN-γ+ CD4+ T cells (Th1) (15.4% vs. 4.6% in controls)• Treatment with extract also slightly decreased levels of IL-4+ CD4+ T cells (Th2)• IL-17A + CD4+ T cells and FOXP3+ CD4+ T cells remained unchanged. This evidence concerns the gene CD4 and neoplasm.