Cancer cell membranes and general survival pathways

The term Cancer cell membranes and general survival pathways refers to a broad set of biological structures and signaling mechanisms rather than a single, discrete therapeutic target. Cancer cell membranes are characterized by alterations in lipid composition, such as the externalization of phosphatidylserine and changes in cholesterol content, which can be exploited for selective drug delivery or membrane-disrupting therapies (Birge et al., 2016, PMID: 27545166). General survival pathways, including the PI3K/AKT/mTOR and MAPK/ERK cascades, are intracellular networks that integrate external signals to promote cell growth and inhibit apoptosis (Manning & Toker, 2017, PMID: 28841410). While these pathways are frequently hyperactivated in cancer, they are also essential for the physiological function of normal tissues, making broad inhibition challenging due to potential systemic toxicity. Because this entry combines multiple distinct molecular entities and complex biological processes, it does not meet the criteria for a canonical drug target and is classified as an overly broad descriptive category. Therapeutic agents in this space typically focus on specific nodes within these pathways or specific membrane lipids to achieve the necessary therapeutic index for clinical use.

Other names

Tumor cell membranesCell survival signaling pathwaysOncogenic survival networks

Disruption of membrane lipid organization or inhibition of intracellular signaling cascades (e.g., PI3K/AKT/mTOR) to induce apoptosis.