Elastin-like Repeats

Elastin-like repeats are genetically encoded peptide sequences modeled on elastin that provide tunable elasticity and stimuli-responsive behavior in engineered biomaterials. Typically built from recurring pentapeptides such as Val-Pro-Gly-X-Gly, where X can vary, these sequences undergo a reversible, temperature-dependent phase transition: they remain soluble below a transition temperature but rapidly aggregate above it. In bioengineering, elastin-like repeats can be incorporated into recombinant polypeptides, hydrogels, coatings, and drug-delivery systems to control mechanical properties, assembly, and molecular release. Their modular design supports biomaterials that respond to temperature or sequence changes, advancing tissue engineering, regenerative medicine, and therapeutic delivery.

Elastin-like Repeats - Related Videos

Research

JoVE Journal - Biology

Reliable Creation of a Murine Abdominal Aortic Aneurysm Model Using Elastin Sensitization and Perivascular Elastase

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2026

This protocol provides a repeatable and reliable method for inducing abdominal aortic aneurysms (AAAs) in C57BL/6 mice using elastin sensitization and perivascular elastase application, as an AAA model that incorporates an immune-sensitization component.

Research

JoVE Journal - Biology
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Non-chromatographic Purification of Recombinant Elastin-like Polypeptides and their Fusions with Peptides and Proteins from Escherichia coli

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Cited by 48 •

2014

Elastin-like polypeptides are stimulus-responsive biopolymers with applications ranging from recombinant protein purification to drug delivery. This protocol describes the purification and characterization of elastin-like polypeptides and their peptide or protein fusions from Escherichia coli using their lower critical solution temperature phase transition behavior as a simple alternative to chromatography.

Tri-layered Electrospinning to Mimic Native Arterial Architecture using Polycaprolactone, Elastin, and Collagen: A Preliminary Study

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Cited by 5 •

2011

The aim of this study was to mimic the native three layered architecture of the arterial wall. To accomplish this, electrospinning was employed with the use of a 3-1 (input-output) nozzle and blends of polycaprolactone, elastin, and collagen.

Education

JoVE Core - Cell Biology

Elastin is Responsible for Tissue Elasticity

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2023

Elastic fiber contains the protein elastin along with lesser amounts of other proteins and glycoproteins. The main property of elastin is that it will return to its original shape after being stretched or compressed. Elastic fibers are prominent in elastic tissues found in skin and the elastic ligaments of the vertebral column. Ligaments and tendons are made of dense regular connective tissue, but in ligaments not all fibers are parallel. Dense regular elastic tissue contains elastin fibers and...

Infinitely Repeated Games

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2025

An infinitely repeated game is a scenario where players repeatedly engage in the same game without a predetermined end. This concept is crucial in understanding long-term interactions in various fields of the social sciences, including economics and international relations. Examples: Firms Setting Prices: Companies continuously adjust prices. Trade Negotiations: Countries consistently negotiate trade terms. Tit-for-Tat Strategy Cooperative Start: Players begin with a cooperative action,...

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