Tumor cell surface receptors and membrane

Tumor cell surface receptors and membrane refers to the collective group of proteins, glycoproteins, and lipids located on the plasma membrane of neoplastic cells. These structures are essential for maintaining the malignant phenotype, mediating signal transduction pathways that drive uncontrolled proliferation, survival, and metastasis (Source: Nature Reviews Cancer, 2021). In clinical oncology, these surface entities are exploited as primary therapeutic targets because they are often overexpressed or structurally altered compared to normal cells, allowing for the development of precision agents like monoclonal antibodies and CAR-T cells (Source: CA: A Cancer Journal for Clinicians, 2023). Common examples of specific targets within this category include the human epidermal growth factor receptor 2 (HER2) and programmed death-ligand 1 (PD-L1). However, as a target definition, this term is considered too broad for specific drug-target interaction modeling, as it represents a diverse class of molecules rather than a single functional unit (Source: Journal of Hematology & Oncology, 2022).

Other names

Tumor-associated antigensCancer cell surface markersTumor membrane proteinsCancer surfaceomeTumor-specific surface antigens

Therapeutic agents targeting these surface components typically function through competitive inhibition of ligand binding, induction of antibody-dependent cellular cytotoxicity (ADCC), or the targeted delivery of cytotoxic drugs via antibody-drug conjugates (Source: Nature Reviews Drug Discovery, 2020).