Gelatinous Protein Matrix

Gelatinous protein matrix is a soft, hydrated network of proteins that surrounds, supports, or organizes cells and other biological components. Its gel-like behavior arises when protein molecules assemble into a three-dimensional meshwork that retains water and creates a selective physical barrier to movement, binding, and diffusion. In immunology and infection research, this matrix can influence how microbes adhere, form biofilms, exchange signals, and interact with immune cells, while also affecting antimicrobial access and inflammatory responses. Characterizing its composition and structure helps researchers understand infection persistence and evaluate strategies that disrupt protective microbial environments.

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Education

JoVE Core - Cell Biology

Golgi Matrix Proteins

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2023

Golgi matrix proteins are a group of highly dynamic proteins that maintain the stacked structure of Golgi. These proteins adapt to rapid morphological changes of the Golgi during the cell cycle. During cell division, mild proteolysis removes these connections resulting in Golgi unstacking. In The daughter cells, these proteins help reassemble the unstacked Golgi. One of the first identified Golgi matrix proteins was GM130, a rod-like protein located in the cis-Golgi. Subsequently, many Golgi...

Research

JoVE Journal - Bioengineering

Alternating Magnetic Field-Responsive Hybrid Gelatin Microgels for Controlled Drug Release

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Cited by 10 •

2016

We present a facile method to fabricate a biodegradable gelatin-based drug release platform that is magneto-thermally responsive. This was achieved by incorporating superparamagnetic iron oxide nanoparticles and poly(N-isopropylacrylamide-co-acrylamide) within a spherical gelatin micro-network crosslinked by genipin, in conjunction with an alternating magnetic field application system.

Research

JoVE Journal - Bioengineering
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Preparation of Extracellular Matrix Protein Fibers for Brillouin Spectroscopy

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Cited by 20 •

2016

We present a protocol for the application of Brillouin light scattering spectroscopy to elastin and trypsin-purified type I collagen fibers of the extracellular matrix to extract their full elastic properties.

Research

JoVE Journal - Neuroscience
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Light-Induced Molecular Adsorption of Proteins Using the PRIMO System for Micro-Patterning to Study Cell Responses to Extracellular Matrix Proteins

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Cited by 23 •

2019

Our overall aim is to understand how cells sense extracellular cues that lead to directed axonal growth. Here, we describe the methodology of Light-Induced Molecular Adsorption of Proteins, used to produce defined micro-patterns of extracellular matrix components in order to study specific events that govern axon outgrowth and pathfinding.

Research

JoVE Journal - Biochemistry
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Derivatization of Protein Crystals with I3C using Random Microseed Matrix Screening

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Cited by 1 •

2021

This article presents a method to generate protein crystals derivatized with I3C (5-amino-2,4,6-triiodoisophthalic acid) using microseeding to generate new crystallization conditions in sparse matrix screens. The trays can be set up using liquid dispensing robots or by hand.

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