Cellular and organelle membrane

Cellular membranes, also known as cell membranes or plasma membranes, are essential biological structures found in all cells and organelles. They are primarily composed of a phospholipid bilayer with embedded proteins and serve as selective barriers that separate and protect cellular compartments from the external environment or from other compartments within eukaryotic cells[4][10][7]. The membrane regulates the movement of ions and molecules, facilitates communication and signal transduction, anchors the cytoskeleton for cell shape, and is involved in interactions with the extracellular matrix and other cells[1][4][7][10]. Organelle membranes are structurally similar and define the boundaries of subcellular compartments such as mitochondria, nuclei, and endoplasmic reticulum[7]. Membranes are not a specific molecule or target but instead a class of essential cellular structures comprising diverse lipids and proteins[4][10]. Key notes for structuring: - This is not a single molecule or canonical target; it refers to a structural feature comprised of many molecular types (lipids, proteins, carbohydrates), thus not suitable as a standard drug target[7][10][1]. - Many membrane proteins serve as canonical therapeutic targets (e.g., receptors, transporters, channels), but "cellular and organelle membranes" as a whole is too broad[2][6][5][7][8]. - Most drugs acting on membranes do so via specific embedded proteins (e.g., GPCRs, ion channels) or by disturbing the lipid environment (e.g., some antibiotics, detergents), but there’s no comprehensive list of direct "membrane-targeting" drugs at the structural level. - No single abbreviation, specific mechanism of action, biomarker, or direct safety concern is associated with the entire membrane structure itself. In summary, "cellular and organelle membranes" describes a category of cellular structures rather than a discrete, druggable molecular target. For most research and drug discovery purposes, it is necessary to specify individual membrane proteins or classes (e.g., "sodium-potassium ATPase," "voltage-gated calcium channel," "mitochondrial outer membrane porin") for structured data and actionable therapeutic targeting.

Other names

cell membraneplasma membranecytoplasmic membraneplasmalemmaorganelle membrane