Cytokeratin
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Cytokeratins are keratin proteins found in the intracytoplasmic cytoskeleton of epithelial tissue. They are an important component of intermediate filaments, which help cells resist mechanical stress.
Micrograph showing low molecular weight cytokeratin (LMWCK) staining of intermediate trophoblast (placental tissue) and endometrial glands.
Cytokeratin filaments in the human epithelial cell
Intermediate filament
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Intermediate filaments are cytoskeletal structural components found in the cells of vertebrates, and many invertebrates. Homologues of the IF protein have been noted in an invertebrate, the cephalocho
Cytokeratin
…Cytokeratins are keratin proteins found in the intracytoplasmic cytoskeleton of epithelial tissue. They are an important component of intermediate filaments, which help cells resist mechanical stress. Expression of these cytokeratins within epithelial cells is largely specific to particular organs or tissues…
Structure of lamin a/c globular domain
Human vimentin coil 2b fragment (cys2)
Vimentin fibers in fibroblasts