Sponge Implantation

Sponge implantation is a biomedical procedure in which a porous, biocompatible sponge is placed into tissue to study healing, inflammation, vascularization, or regenerative responses. Its interconnected pores absorb wound fluid and provide a three-dimensional space that can support cellular infiltration, extracellular matrix deposition, and new blood vessel growth; depending on its composition, the sponge may also degrade or deliver therapeutic substances. Researchers use implanted sponges as experimental scaffolds and standardized tissue models to evaluate biomaterials, quantify angiogenesis, assess immune reactions, and test drugs or cell-based therapies. These measurements help clarify tissue repair mechanisms and guide the development of regenerative medicine and wound-care strategies.

Sponge Implantation - Related Videos

Research

JoVE Journal - Medicine
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The Polyvinyl Alcohol Sponge Model Implantation

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Cited by 20 •

2012

A useful tool to analyze the effects of drugs, growth factors, and/or manipulated cells in an animal model of wound repair is described. This technique utilizes the properties of a polyvinyl alcohol (PVA) sponge to deliver and contain the desired treatment and also provide a platform to be excised and analyzed.

Research

JoVE Journal - Immunology and Infection

Assessment of Acute Wound Healing using the Dorsal Subcutaneous Polyvinyl Alcohol Sponge Implantation and Excisional Tail Skin Wound Models.

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Cited by 15 •

2020

Here, two murine wound healing models are described, one designed to assess cellular and cytokine wound healing responses and the other to quantify the rate of wound closure. These methods can be used with complex disease models such as diabetes to determine mechanisms of various aspects of poor wound healing.

Zinc-Sponge Battery Electrodes that Suppress Dendrites

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Cited by 7 •

2020

The goal of the reported protocols is to create rechargeable zinc-sponge electrodes that suppress dendrites and shape change in zinc batteries, such as nickel–zinc or zinc–air.

Implantation of Cranial Imaging Window in Mouse Model: A Surgical Procedure to Implant Glass-based Coverslip for Stable Optical Access to Regions of Murine Brain

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2023

This video presents a surgical procedure to implant cranial window in a mouse model for stable optical access to different regions of the brain.

In Vivo Nanovector Delivery of a Heart-specific MicroRNA-sponge

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Cited by 6 •

2018

Tissue-specific microRNA inhibition is a technology that is underdeveloped in the microRNA field. Herein, we describe a protocol to successfully inhibit the miR-181 microRNA family in myoblast cells from the heart. Nanovector technology is used to deliver a microRNA sponge that demonstrates significant in vivo cardio-specific miR-181 family inhibition.

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