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Related Concept Videos

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...
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...
Structural Protein Function01:56

Structural Protein Function

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.
Collagen, the most abundant protein in mammals, is found throughout the body. In connective tissue, such as skin, ligaments, and tendons, it provides tensile strength and elasticity.  In bones and teeth, it mineralizes to form...
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...
Matrix Proteoglycans and Glycoproteins01:21

Matrix Proteoglycans and Glycoproteins

Proteoglycans are extensively glycosylated proteins, commonly found in the extracellular matrix, interwoven with collagen fibers. Hyaline cartilage, the most common type of cartilage in the body, consists of short and dispersed collagen fibers associated with large amounts of proteoglycans. These proteoglycans have long negative charges that attract cations, which in turn attract water molecules. This influx of ions and water molecules swells up the proteoglycan like a water-soaked gel that can...
The Extracellular Matrix01:42

The Extracellular Matrix

In order to maintain tissue organization, many animal cells are surrounded by structural molecules that make up the extracellular matrix (ECM). Together, the molecules in the ECM maintain the structural integrity of tissue as well as the remarkable specific properties of certain tissues.Composition of the Extracellular MatrixThe extracellular matrix (ECM) is commonly composed of ground substance, a gel-like fluid, fibrous components, and many structurally and functionally diverse molecules.

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Related Experiment Video

Updated: Jul 6, 2026

Engineering 3D Cellularized Collagen Gels for Vascular Tissue Regeneration
09:23

Engineering 3D Cellularized Collagen Gels for Vascular Tissue Regeneration

Published on: June 16, 2015

Collagens as biomaterials.

John A M Ramshaw1, Yong Y Peng, Veronica Glattauer

  • 1CSIRO Molecular and Health Technologies, Bayview Avenue, Clayton, VIC 3168, Australia. John.Ramshaw@csiro.au

Journal of Materials Science. Materials in Medicine
|April 2, 2008
PubMed
Summary
This summary is machine-generated.

This review explores collagen biomaterials, focusing on emerging technologies like recombinant collagens. These advancements enable safer, reproducible collagen products and novel structures for improved medical devices.

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Production of Nanofibrillar Patterned Collagen for Tissue Engineering
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Production of Nanofibrillar Patterned Collagen for Tissue Engineering

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Last Updated: Jul 6, 2026

Engineering 3D Cellularized Collagen Gels for Vascular Tissue Regeneration
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Production of Nanofibrillar Patterned Collagen for Tissue Engineering
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Production of Nanofibrillar Patterned Collagen for Tissue Engineering

Published on: September 20, 2024

Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Biotechnology

Background:

  • Collagen is a vital structural protein with diverse applications in medicine.
  • Current collagen biomaterials include tissue-based devices and reconstituted forms.
  • Advancements in collagen technology are crucial for developing next-generation medical devices.

Purpose of the Study:

  • To review the structure, function, and applications of collagen as a biomaterial.
  • To highlight emerging technologies for collagen-based medical devices.
  • To discuss the potential of recombinant collagens and novel structures.

Main Methods:

  • Literature review of collagen structure, function, and applications.
  • Analysis of current and emerging collagen biomaterial formats.
  • Discussion of recombinant collagen production and its advantages.

Main Results:

  • Collagen's versatility supports various medical device applications.
  • Recombinant collagen production offers enhanced safety and reproducibility.
  • Novel collagen structures, including domain repeats and chimeric constructs, are emerging.

Conclusions:

  • Emerging technologies, particularly recombinant collagens, are revolutionizing collagen-based medical devices.
  • These innovations facilitate the creation of safer, more effective, and customizable biomaterials.
  • Future research will likely focus on harnessing these novel collagen structures for advanced therapeutic applications.