[Electron microscopy study of fibrin self-assembly]. 1977

V F Maniakov, and T V Varetskaia, and V A Belitser

The process of fibrin selfassembly has been examined by electron microscopy. Its initial stage is found to consist in fibrin monomer conversion to thin filaments of random shape, probably identical with the well known intermediate polymers of fibrin. When the filaments attain an appropriate size they arrange themselfs into bundles with increasingly ordered structure. At this stage a tendency to form cross bands appears. The cross-band system develops on the basis of substance redistribution within fibrin molecules incorporated into filamentous bundles. It seems hardly warranted to call the complicated process of fibrin fibre formation as "selfassembly". This process represents a "molecular morphopoesis" and includes: selfassembly of filaments; selfassembly of bundles and transformation leading to the establishment of the ultimate fibril structure.

UI MeSH Term Description Entries
D008854 Microscopy, Electron Microscopy using an electron beam, instead of light, to visualize the sample, thereby allowing much greater magnification. The interactions of ELECTRONS with specimens are used to provide information about the fine structure of that specimen. In TRANSMISSION ELECTRON MICROSCOPY the reactions of the electrons that are transmitted through the specimen are imaged. In SCANNING ELECTRON MICROSCOPY an electron beam falls at a non-normal angle on the specimen and the image is derived from the reactions occurring above the plane of the specimen. Electron Microscopy
D008967 Molecular Biology A discipline concerned with studying biological phenomena in terms of the chemical and physical interactions of molecules. Biochemical Genetics,Biology, Molecular,Genetics, Biochemical,Genetics, Molecular,Molecular Genetics,Biochemical Genetic,Genetic, Biochemical,Genetic, Molecular,Molecular Genetic
D011487 Protein Conformation The characteristic 3-dimensional shape of a protein, including the secondary, supersecondary (motifs), tertiary (domains) and quaternary structure of the peptide chain. PROTEIN STRUCTURE, QUATERNARY describes the conformation assumed by multimeric proteins (aggregates of more than one polypeptide chain). Conformation, Protein,Conformations, Protein,Protein Conformations
D005337 Fibrin A protein derived from FIBRINOGEN in the presence of THROMBIN, which forms part of the blood clot. Antithrombin I

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