Fibrin Gel Implantation
Fibrin Gel Implantation - Related Videos
01:16
Clot Retraction and Fibrinolysis
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2024
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.
07:52
Implantation of Fibrin Gel on Mouse Lung to Study Lung-specific Angiogenesis
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Cited by 13 •
2014
Recapitulation of the organ-specific microenvironment, which stimulates local angiogenesis, is indispensable for successful regeneration of damaged tissues. This report demonstrates a novel method to implant fibrin gels on the lung surface of living mouse in order to explore how the lung-specific microenvironment modulates angiogenesis and alveolar regeneration in adult mouse.
06:30
Gel Purification
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2023
Gel purification is used to recover DNA fragments after electrophoretic separation. DNA recovery from an agarose gel includes three basic steps: binding, washing and eluting from a silica column. DNA is believed to bind to silica in the presence of high salt via a salt bridge. Following binding, DNA is washed of impurities and eluted under low salt conditions disrupting this interaction. This video goes through a step-by-step, generalized procedure for cutting out a band from the gel, gel...
05:54
Microbead Implantation in the Zebrafish Embryo
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Cited by 8 •
2015
The zebrafish is an excellent model system for genetic and developmental studies. Bead implantation is a valuable tissue manipulation technique that can be used to interrogate developmental mechanisms by introducing alterations in local cellular environments. This protocol describes how to perform microbead implantation in the zebrafish embryo.
09:22
DNA Gel Electrophoresis
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2023
DNA gel electrophoresis is a technique used for the detection and separation of DNA molecules. An electric field is applied to a gel matrix comprised of agarose, and within the gel, charge particles will migrate and separate based on size. The negatively charged phosphates of the DNA backbone cause DNA fragments to move toward the anode - a positively charged electrode. The video explains the mechanism by which DNA fragments are resolved on an agarose gel, and it provides a step-by-step...
FAQs
Thrombin converts fibrinogen into fibrin, producing a cross-linked network that gives the implant structural stability. This network acts as a temporary scaffold rather than a permanent material, because the body gradually remodels it after placement. The resulting balance between initial support and later breakdown allows damaged tissue to receive localized structural assistance during repair.
The fibrin network can remain positioned at the treatment site while supporting therapeutic cells or molecules placed within the gel. Its three-dimensional structure helps keep these payloads localized instead of relying only on systemic administration. This site-specific retention may support local healing or treatment while reducing the need for repeated systemic delivery.
Biocompatibility allows the fibrin-based matrix to function in damaged or diseased tissue, while biodegradability permits its gradual removal as the body remodels the implant. These properties are important because the material is intended to provide temporary support, not persist indefinitely. Together, they connect the implant's initial role as a scaffold with longer-term tissue repair.
A general workflow includes preparing the fibrin-based components, allowing thrombin to convert fibrinogen into a gel, shaping or loading the material as needed, and placing it into the target tissue. The implant can carry therapeutic cells or molecules before placement. The specific workflow therefore depends on whether the goal is repair, cell delivery, or localized treatment.
In wound management, the gel can be placed at a damaged site to provide a temporary matrix that supports local healing. Its ability to remain at the treatment area makes it relevant when localized support is preferred. The same implantation approach also provides a platform for regenerative research, where investigators examine tissue repair within a biodegradable scaffold.
Tissue engineering studies use the gel as a temporary scaffold that can be shaped for a damaged site and loaded with therapeutic cells. Controlled drug delivery studies instead take advantage of its ability to hold molecules locally and reduce dependence on repeated systemic administration. These applications evaluate both the material's placement at the target site and its gradual remodeling.