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Related Experiment Video

Updated: Jul 8, 2026

Implantation of Inferior Vena Cava Interposition Graft in Mouse Model
12:39

Implantation of Inferior Vena Cava Interposition Graft in Mouse Model

Published on: June 4, 2014

Small-diameter biodegradable scaffolds for functional vascular tissue engineering in the mouse model.

Jason D Roh1, Gregory N Nelson, Matthew P Brennan

  • 1Yale University School of Medicine, Interdepartmental Program in Vascular Biology and Therapeutics, New Haven, CT 06510, USA. jason.roh@yale.edu <jason.roh@yale.edu>

Biomaterials
|January 1, 2008
PubMed
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Researchers created small, biodegradable vascular grafts for mice, enabling new studies in vascular tissue engineering. These grafts showed good function and neotissue formation, overcoming previous limitations in using mouse models.

Area of Science:

  • Biomedical Engineering
  • Regenerative Medicine
  • Vascular Biology

Background:

  • Understanding neotissue development in engineered vascular grafts is crucial but limited by mouse model inaccessibility.
  • Technical challenges have hindered the use of genetically informative mouse models in vascular tissue engineering.

Purpose of the Study:

  • To develop a method for creating sub-1mm internal diameter (ID) biodegradable vascular scaffolds suitable for mouse models.
  • To evaluate the functionality and neotissue formation of these scaffolds in vivo.

Main Methods:

  • Utilized a dual cylinder chamber molding system and hybrid polyester sealant to construct scaffolds from polyglycolic acid or poly-l-lactic acid.
  • Implanted scaffolds as inferior vena cava or aortic interposition grafts in SCID/bg mice.

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Generation and Grafting of Tissue-engineered Vessels in a Mouse Model
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Generation and Grafting of Tissue-engineered Vessels in a Mouse Model

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Related Experiment Videos

Last Updated: Jul 8, 2026

Implantation of Inferior Vena Cava Interposition Graft in Mouse Model
12:39

Implantation of Inferior Vena Cava Interposition Graft in Mouse Model

Published on: June 4, 2014

Generation and Grafting of Tissue-engineered Vessels in a Mouse Model
13:04

Generation and Grafting of Tissue-engineered Vessels in a Mouse Model

Published on: March 18, 2015

Stepwise Cell Seeding on Tessellated Scaffolds to Study Sprouting Blood Vessels
07:49

Stepwise Cell Seeding on Tessellated Scaffolds to Study Sprouting Blood Vessels

Published on: January 14, 2021

  • Assessed scaffold patency, biocompatibility, and neotissue development via histological analysis.

    • Main Results:

    • Biodegradable scaffolds exhibited appropriate porosity, biomechanical properties, and biocompatibility.
    • Implanted grafts demonstrated excellent patency without thrombosis or aneurysm formation.
    • Organized vascular neotissue, including endothelialization and medial generation, formed within the scaffolds by 6 weeks post-implantation.

    Conclusions:

    • Successfully developed functional, sub-1mm ID biodegradable vascular grafts for use in mouse models.
    • Established a novel experimental approach for advancing vascular tissue engineering research using genetically modified mice.
    • Demonstrated the potential for neotissue formation within engineered vascular grafts in a small animal model.