What are the functions of selectively permeable membranes?Cellular ProcessesCellular Structures and OrganellesPlasma Membrane Posted on September 20, 2023What are vesicles?Cellular ProcessesCellular Structures and OrganellesPlasma Membrane Posted on September 20, 2023What is the structure of a vesicle?
Theplasma membraneis not only a container for the contents, but it determines what passes in and out of the cell. Adjacent cells are joined to one another through specific cell adhesion molecules located on the surfaces of the plasma membranes. The plasma membrane also receives signals from its...
Although this membrane serves to protect the cell and its components, it's also surface through which substances are exchanged and information shared with other cells. Like the other cellular membranes, the plasma membrane is made up of lipids and proteins that contribute to the functions and ch...
endocytosis. Cells use endocytotic mechanisms to control the lipid and especially protein composition of the plasma membrane by thede novoproduction of internal membranes from the plasmamembrane lipid bilayer. During thisprocess plasmamembrane lipids and integrated proteins, like receptors, as well as ex...
A fundamental feature of cellular plasma membranes (PMs) is an asymmetric lipid distribution between the bilayer leaflets. However, neither the detailed, comprehensive compositions of individual PM leaflets nor how these contribute to structural membrane asymmetries have been defined. We report the distinc...
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Distribution of apoA-I between LpAI and LpAI:AII is consistent with a model of statistical partitioning regardless of sex and CETP genotype. The analysis also indicated that LpA-I accommodates on average 4 apoA-I molecules and has a clearance rate indistinguishable from LpAI:AII. Independent ...
Disruptions of muscle fiber plasma membranes: role in exercise-induced damage. Am J Pathol. 1992;140:1097–109. 30. Peraro MD, van der Goot FG. Pore-forming toxins: ancient, but never really out of fashion. Nat Rev Microbiol. 2016;14:77–92 https://doi.org/10.1038/ nrmicro.2015.3. ...
Curved membranes are an essential feature of dynamic cellular structures including endocytic pits, filopodia, viral buds, and most organelles. Proteins with specific, curvature-promoting structural motifs, such as crescent-shaped BAR domains and amphipathic helix insertions, have been identified, yet we ...
Ionic strength is, however, not sufficient to release D6PK from membranes; thus, additional mechanisms must exist that anchor the kinase in the plasma membrane and the membranes of transport vesicles, and there must be mechanisms regulating D6PK trafficking between these membranes and controlling D...