Related Experiment Video
Updated: Mar 6, 2026

07:54
In vitro Synthesis of Native, Fibrous Long Spacing and Segmental Long Spacing Collagen
Published on: September 20, 2012
14.2K
Exploiting oleuropein for inhibiting collagen fibril formation
H Bharathy1, N Nishad Fathima1
1Inorganic and Physical Chemistry Laboratory, CSIR-Central Leather Research Institute, Adyar, Chennai 600020, India.
International Journal of Biological Macromolecules
|March 17, 2017
Summary
Oleuropein inhibits collagen self-assembly, preventing excessive fibril formation. This discovery offers potential new treatments for fibrotic diseases by targeting collagen fibrillogenesis.
Area of Science:
- Biochemistry
- Molecular Biology
- Materials Science
Background:
- Excessive collagen fibril accumulation impairs organ function, driving research into antifibrotic compounds.
- Understanding collagen self-assembly is crucial for developing therapeutic strategies against fibrotic diseases.
Purpose of the Study:
- To investigate the potential of oleuropein in inhibiting collagen self-assembly and fibril formation.
- To characterize the physico-chemical interactions between oleuropein and collagen.
Main Methods:
- Viscosity measurements
- UV-visible spectroscopy
- Circular Dichroism (CD) spectroscopy
- Fourier-Transform Infrared (FT-IR) spectroscopy
- Scanning Electron Microscopy (SEM)
Main Results:
- Oleuropein demonstrated an inhibitory effect on collagen fibril formation, confirmed by SEM.
- Physico-chemical analyses revealed non-covalent interactions between oleuropein and collagen, altering collagen's secondary structure.
- A decreased rate of collagen fibril formation was observed with increasing oleuropein concentration.
Conclusions:
- Oleuropein effectively inhibits the self-assembly of collagen.
- This inhibition mechanism suggests oleuropein as a potential therapeutic agent for fibrotic diseases.
- Targeting collagen self-assembly presents a promising strategy for treating conditions characterized by fibrosis.
Related Concept Videos
Fibril-associated Collagen
3.5K
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...
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...
3.5K
Structural Protein Function
30.3K
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...
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...
30.3K
Collagens are the Major Structural Proteins of ECM
6.1K
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...
Connective tissue proper includes loose...
6.1K
Type IV Collagen of Basal Lamina
3.2K
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...
A type IV collagen molecule has six alpha chains which can...
3.2K
Clot Retraction and Fibrinolysis
9.7K
After a fibrin clot is formed, the next step is clot retraction, a vital process facilitated by platelet contractile proteins, such as actin and myosin. These proteins pull the fibrin strands closer together and condense the clot. This action reduces the size of the clot, creating a smaller, denser structure that effectively seals off the damaged vessel. Clot retraction consolidates the clot and helps with wound healing by bringing the edges of the damaged blood vessel closer together.
9.7K
Phases of Wound Repair
9.2K
Following injury, the integrity of the injured tissues must be reestablished. For example, in skin tissue, wound repair involves coordination among resident skin cells, blood mononuclear cells, extracellular matrix, growth factors, and cytokines to complete the healing cascade.
Formation of Blood Clot
In case of deep injuries, trauma to blood vessels results in blood loss. In the meantime, phospholipids released from the ruptured endothelial cellular membrane are converted into arachidonic...
Formation of Blood Clot
In case of deep injuries, trauma to blood vessels results in blood loss. In the meantime, phospholipids released from the ruptured endothelial cellular membrane are converted into arachidonic...
9.2K

