Cellular uptake receptors and membranes

Cellular uptake receptors and membranes refer to the diverse array of proteins and lipid structures that facilitate the entry of substances into cells. This category includes specific receptors like the Transferrin Receptor (TfR) and Low-Density Lipoprotein Receptor (LDLR), which mediate endocytosis (Source: PubMed, PMID: 29038315). The plasma membrane itself acts as a semi-permeable barrier, where lipid composition influences the passive diffusion of lipophilic drugs (Source: StatPearls, Membrane Transport). These systems are vital for nutrient acquisition and signal transduction, but they are also exploited by pathogens like viruses for cellular entry (Source: Wikipedia, Receptor-mediated endocytosis). In drug development, targeting these pathways is essential for the delivery of nucleic acid therapeutics and antibody-drug conjugates (Source: Nature Reviews Drug Discovery). Because this term describes a functional group rather than a single protein, it is classified as an incorrect or overly broad target for specific drug annotation.

Other names

Cell surface receptorsEndocytic receptorsPlasma membraneMembrane transport systems

Receptor-mediated endocytosis, pore formation, and modulation of membrane permeability.