VEGFA and glioblastoma: EGCG can inhibit angiogenesis by suppressing vascular endothelial growth factor and other angiogenic factors, thereby restricting the nutrient supply to tumors.[26] Well-documented antioxidative and anti-inflammatory properties of green tea catechins, particularly EGCG, underscore the importance of further research into their potential roles in cancer prevention, though our findings do not support a direct causal relationship with glioblastoma.