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Related Concept Videos

Collagens are the Major Structural Proteins of ECM01:13

Collagens are the Major Structural Proteins of ECM

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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...
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Type IV Collagen of Basal Lamina01:05

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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.
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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.
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Structural Protein Function01:56

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Structural proteins are a category of proteins responsible for functions ranging from cell shape and movement to providing support to major structures such as bones, cartilage, hair, and muscles. This group includes proteins such as collagen, actin, myosin, and keratin.
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Updated: Nov 20, 2025

Imaging Denatured Collagen Strands In vivo and Ex vivo via Photo-triggered Hybridization of Caged Collagen Mimetic Peptides
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Collagen Mimetic Peptides.

Yujia Xu1, Michele Kirchner1

  • 1Department of Chemistry, Hunter College of the City University of New York, 695 Park Ave., New York, NY 10065, USA.

Bioengineering (Basel, Switzerland)
|January 20, 2021
PubMed
Summary
This summary is machine-generated.

Collagen mimetic peptides (CMPs) are versatile tools for studying collagen structure and developing biomaterials. Recent advances include heterotrimeric CMPs and larger recombinant peptides for advanced collagen mimetic assemblies.

Keywords:
collagen mimetic peptidescollagen receptorscollagen-based biomaterialsdesign of collagen mimetic peptidesextracellular matrixfibril-forming collagen peptideheterotrimeric triple helixhomotrimer triple helixrecombinant collagen peptidessynthetic collagen

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Area of Science:

  • Biomaterials Science
  • Molecular Biology
  • Biochemistry

Background:

  • Collagen mimetic peptides (CMPs) have been synthesized since the late 1960s.
  • Collagen is a crucial extracellular matrix (ECM) protein involved in physiological and pathogenic processes.
  • CMPs have significantly advanced the understanding of collagen triple helix structure and molecular interactions.

Purpose of the Study:

  • To provide an overview of CMPs' potential and limitations.
  • To highlight recent developments in heterotrimeric CMPs and higher-order molecular assemblies.
  • To incorporate larger designed peptides from recombinant systems into the scope of CMP research.

Main Methods:

  • Review of existing literature on collagen mimetic peptides.
  • Focus on recent advancements in CMP synthesis and assembly.
  • Inclusion of studies utilizing recombinant peptide systems.

Main Results:

  • CMPs have deepened the understanding of collagen structure and ligand interactions.
  • Recent developments enable the creation of heterotrimeric CMPs and collagen-like assemblies.
  • Recombinant peptide systems offer new insights into collagen and facilitate fibrillar self-assembly development.

Conclusions:

  • CMPs are valuable tools for both fundamental research and biomedical applications.
  • Continued interdisciplinary research is driving innovation in CMP design and application.
  • Advanced CMPs, including those from recombinant systems, show promise for novel biomaterial development.