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JoVE Journal
Bioengineering
逆方向に加圧ポーチ内全体の人間の心の decellularization
逆方向に加圧ポーチ内全体の人間の心の decellularization
JoVE Journal
Bioengineering
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JoVE Journal Bioengineering
Decellularization of Whole Human Heart Inside a Pressurized Pouch in an Inverted Orientation

逆方向に加圧ポーチ内全体の人間の心の decellularization

Full Text
11,888 Views
06:28 min
November 26, 2018

DOI: 10.3791/58123-v

Doris A. Taylor1, Luiz C. Sampaio1, Rafael Cabello1, Abdelmotagaly Elgalad1, Rohan Parikh1, R Patrick Wood2, Kevin A. Myer2, Alvin T. Yeh3, Po-Feng Lee1

1Regenerative Medicine Research,Texas Heart Institute, 2Lifegift Organ Donation Center, 3Biomedical Engineering,Texas A&M University

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Please note that some of the translations on this page are AI generated. Click here for the English version.

Overview

This method enables decellularization of complex solid organs, specifically human hearts, using a simple protocol that minimizes organ matrix disruption. The technique employs a pressurized pouch for real-time monitoring of flow dynamics and cellular debris outflow.

Key Study Components

Area of Science

  • Tissue Engineering
  • Organ Decellularization
  • Cardiovascular Research

Background

  • Decellularization is crucial for creating vascularized scaffolds in tissue engineering.
  • Current methods often disrupt the organ matrix.
  • Improved techniques are needed for non-transplantable human organs.
  • Real-time monitoring can enhance the decellularization process.

Purpose of Study

  • To develop a novel decellularization technique for human hearts.
  • To improve the sterility and efficiency of the decellularization process.
  • To facilitate the generation of vascularized scaffolds.

Methods Used

  • Internal inspection of the heart for defects.
  • Correction of septal defects with sutures.
  • Ligation of the superior and inferior vena cavas.
  • Dissection of the aorta for cannulation.

Main Results

  • The pressurized pouch enhances decellularization efficiency.
  • Real-time monitoring allows for better control of the process.
  • Minimal disruption of the organ matrix was achieved.
  • The method is applicable in a sterile environment.

Conclusions

  • This technique represents a significant advancement in organ decellularization.
  • It holds promise for future applications in tissue engineering.
  • Further research may expand its use to other organ types.

Frequently Asked Questions

What is decellularization?
Decellularization is the process of removing cellular components from an organ or tissue to create a scaffold for tissue engineering.
Why is a pressurized pouch used?
The pressurized pouch improves the efficiency of decellularization and allows for real-time monitoring of the process.
What are the advantages of this method?
This method minimizes organ matrix disruption and allows for sterile processing over an appropriate time frame.
Can this technique be applied to other organs?
While this study focuses on human hearts, the technique may be adapted for other non-transplantable organs in future research.
What is the significance of generating vascularized scaffolds?
Vascularized scaffolds are essential for successful tissue engineering as they provide the necessary blood supply for tissue survival and integration.
How does real-time monitoring benefit the process?
Real-time monitoring allows researchers to adjust the decellularization process dynamically, ensuring optimal outcomes and minimal disruption.

このメソッドにより、高浸透圧刺激とイオン洗剤最小限オルガン マトリックス破壊の灌流に基づく単純なプロトコルを使用して複雑な固体器官の decellularization です。流れのダイナミクスと細胞残骸の流出のリアルタイム モニタ リングと加圧のポーチの中の人間の心の新しい decellularization 技術が装備されています。

この方法は、実際に組織工学分野の聖杯である血管化足場の生成に関する重要な質問に答えるのに役立ちます。この技術の主な利点は、逆向きの加圧パウチが非移植可能なヒト器官の脱細胞化を改善し、適切な時間枠にわたって無菌の方法でそれを行うことができるということです。脱細胞化のために心臓を準備するために、まず、可能な欠陥のための内部検査を行う。

中隔欠陥が存在する場合は、適切な縫合線で欠陥を修正します。次に、2-0シルク縫合糸で上手と下の大静脈をリゲートします。5-0 PROLENEで右心房壁を縫合し、その後のカヌリンのために大動脈を主肺動脈から離れて解剖する。

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バイオ エンジニア リング 問題 141 圧力ヘッド 心膜 decellularization 濁度 人間の心 流動

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