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  2. Receptor-mediated endocytosis - Wikipedia

    en.wikipedia.org/wiki/Receptor-mediated_endocytosis

    Although receptors and their ligands can be brought into the cell through a few mechanisms (e.g. caveolin and lipid raft), clathrin-mediated endocytosis remains the best studied. Clathrin-mediated endocytosis of many receptor types begins with the ligands binding to receptors on the cell plasma membrane.

  3. Endocytosis - Wikipedia

    en.wikipedia.org/wiki/Endocytosis

    Endocytosis pathways can be subdivided into four categories: namely, receptor-mediated endocytosis (also known as clathrin-mediated endocytosis), caveolae, pinocytosis, and phagocytosis. [ 3 ] Clathrin-mediated endocytosis is mediated by the production of small (approx. 100 nm in diameter) vesicles that have a morphologically characteristic ...

  4. Cell signaling - Wikipedia

    en.wikipedia.org/wiki/Cell_signaling

    Receptor mediated endocytosis is common way of turning receptors "off". Endocytic down regulation is regarded as a means for reducing receptor signaling. [41] The process involves the binding of a ligand to the receptor, which then triggers the formation of coated pits, the coated pits transform to coated vesicles and are transported to the ...

  5. Cytosis - Wikipedia

    en.wikipedia.org/wiki/Cytosis

    Receptor-mediated endocytosis Receptor-mediated endocytosis is a mode of pinocytosis. Proteins in the clathrin coat on the plasma membrane have propensity to bind and trap macromolecules or ligands. However, it is not the receptors in the pit that caused the pinocytosis. The vesicles would have formed regardless of whether or not the receptors ...

  6. Vesicle (biology and chemistry) - Wikipedia

    en.wikipedia.org/wiki/Vesicle_(biology_and...

    Coat proteins can also function to bind to various transmembrane receptor proteins, called cargo receptors. These receptors help select what material is endocytosed in receptor-mediated endocytosis or intracellular transport. There are three types of vesicle coats: clathrin, COPI and COPII. The various types of coat proteins help with sorting ...

  7. Cell physiology - Wikipedia

    en.wikipedia.org/wiki/Cell_physiology

    Receptor-mediated endocytosis is a form of pinocytosis where a cell takes in specific molecules or solutes. Proteins with receptor sites are located on the plasma membrane, binding to specific solutes. The receptor proteins that are attached to the specific solutes go inside coated pits, forming a vesicle.

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  9. Antigen-presenting cell - Wikipedia

    en.wikipedia.org/wiki/Antigen-presenting_cell

    Professional APCs specialize in presenting antigens to T cells. [5] They are very efficient at internalizing antigens, either by phagocytosis (e.g. macrophages), or by receptor-mediated endocytosis (B cells), processing the antigen into peptide fragments and then displaying those peptides (bound to a class II MHC molecule) on their membrane. [1]