関連する実験動画

Updated: Jul 11, 2026

Generation and Long-term Maintenance of Nerve-free Hydra
06:33

Generation and Long-term Maintenance of Nerve-free Hydra

Published on: July 7, 2017

ヒドラネマトシストの繊維状ミニコラーゲン

T W Holstein, M Benoit, G V Herder

    Science (New York, N.Y.)
    |July 15, 1994
    PubMed
    まとめ

    クニダリアンは,ネマトシストと呼ばれる特殊な臓器を用いる. この研究は,それらのカプセル壁の構造を明らかにし,コラーゲンのような繊維を識別し,本質的な張力強さを提供します.

    さらに関連する動画

    Three-dimensional Tissue Engineered Aligned Astrocyte Networks to Recapitulate Developmental Mechanisms and Facilitate Nervous System Regeneration08:52

    Three-dimensional Tissue Engineered Aligned Astrocyte Networks to Recapitulate Developmental Mechanisms and Facilitate Nervous System Regeneration

    Published on: January 10, 2018

    関連する概念動画

    Fibril-associated Collagen01:11

    Fibril-associated Collagen

    Fibril-associated collagens are a type of collagens present in the extracellular matrix with interrupted triple helices or FACIT (Fibril-associated collagens interrupted triple-helices). FACIT help connect and attach the collagen fibrils with each other as well as with other proteins of the extracellular matrix.
    For example, the type II collagen fibrils in cartilage have covalently bound type IX fibril-associated collagens at regular intervals. Other types of fibril-associated collagens are...
    Collagens are the Major Structural Proteins of ECM01:13

    Collagens are the Major Structural Proteins of ECM

    Three main types of fibers are secreted by fibroblasts: collagen fibers, elastic fibers, and reticular fibers. Collagen fiber is made from fibrous protein subunits linked together to form a long, straight fiber. Collagen fibers, while flexible, have great tensile strength, resist stretching, and give ligaments and tendons their characteristic resilience and strength. These fibers hold connective tissues together, even during the body's movement.
    Connective tissue proper includes loose...
    Fibrous Proteins00:55

    Fibrous Proteins

    Fibrous proteins are either long and narrow proteins or assemble to form long and thin structures. They contain repetitive units and usually consist of either alpha helices or beta sheets and, in rare cases, a mix of both. The amino acids in the primary structure often consist of repeating amino acid sequences. The role of fibrous proteins is primarily structural. Many are located in the extracellular matrix and are present in connective tissues to impart strength and joint mobility. They are...
    Type IV Collagen of Basal Lamina01:05

    Type IV Collagen of Basal Lamina

    Type IV collagen is a 400 nm long, network-forming collagen that acts as a barrier between the epithelial and endothelial cells. Type IV collagen  forms the backbone of the basement membrane by scaffolding with laminin, entactin, proteoglycans, and fibronectin. Apart from rendering structural support to the basement membrane, it also helps entail signaling potentials necessary for both pathological and physiological functions.
    A type IV collagen molecule has six alpha chains which can exist in...
    Types of Intermediate Filaments01:31

    Types of Intermediate Filaments

    The intermediate filaments are an essential component of the cytoskeleton. Presently six types of intermediate filament have been identified. Type I and II are acidic and basic keratin proteins. Type III is of mesodermal origin and comprises four proteins: vimentin, desmin, glial fibrillary acidic protein (GFAP), and peripherin. Vimentin is commonly found in mesenchymal cells, desmin in muscle cells, GFAP in astrocytes, while peripherin is found in peripheral nervous system neurons (PNS). Type...
    Cell-matrix's Response to Mechanical Forces01:13

    Cell-matrix's Response to Mechanical Forces

    In animal cells, the extracellular matrix allows cells within tissues to withstand external stresses and transmits signals from the outside of the cell to the inside. The extracellular matrix is extensive, and its composition varies between different types of tissues. For example, the reticular fibers and ground substance make up the ECM in loose connective tissue, while collagen and bone minerals make up the ECM of bone tissue. 
    Anchoring junctions mechanically attach a cell to the...