Abstract
Mitochondrial division and fusion are critical regulators of cancer cell metabolism, proliferation, survival, metastasis, and drug resistance. Division promotes tumor development by reprogramming energy metabolism, whereas its inhibition can suppress tumor growth and metastasis. The mechanochemical GTPase DRP1, a key mediator of mitochondrial division, has emerged as a promising therapeutic target. Mitochondrial cristae also contribute to cancer progression by modulating metabolic reprogramming and oncogenic signaling. Targeting these processes may stimulate anti-tumor innate immune responses through the release of mitochondrial DNA into the cytoplasm. A deeper understanding of tumor-specific mitochondrial membrane structures and dynamics could therefore reveal novel intervention strategies and guide precision cancer therapies.