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Updated: Mar 28, 2026

Tissue Engineering by Intrinsic Vascularization in an In Vivo Tissue Engineering Chamber

Tissue Engineering by Intrinsic Vascularization in an In Vivo Tissue Engineering Chamber

Published on: May 30, 2016

Prevascularization in tissue engineering: Current concepts and future directions.

Matthias W Laschke¹, Michael D Menger¹

¹Institute for Clinical & Experimental Surgery, Saarland University, D-66421 Homburg/Saar, Germany.

Biotechnology Advances

|December 18, 2015

Summary

This summary is machine-generated.

Prevascularization strategies are crucial for engineered tissue survival by forming microvascular networks before implantation. This accelerates vascularization, improving construct function and clinical application potential.

Keywords:

Angiogenesis Arteriovenous loop Endothelial cells Microfluidic Microvascular fragments Scaffold Stem cells Tissue engineering Vascularization

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Area of Science:

Biomaterials Science
Regenerative Medicine
Vascular Biology

Background:

Engineered tissue survival post-implantation relies on rapid vascularization.
Inadequate vascularization leads to hypoxia and construct failure.
Prevascularization aims to establish microvasculature before implantation to mitigate these issues.

Purpose of the Study:

To provide an overview of current prevascularization strategies in tissue engineering.
To discuss in vitro and in situ methods for generating preformed microvascular networks.
To highlight future directions and their clinical implications.

Main Methods:

In vitro approaches: cell seeding, spheroid formation, cell sheet technologies.
In situ approaches: angiogenic ingrowth, flap techniques, arteriovenous (AV)-loop.
Emerging methods: adipose tissue-derived microvascular fragments, microfluidic systems.

Main Results:

Various in vitro and in situ techniques can generate preformed microvascular networks.
Prevascularization shortens the avascular period, reducing hypoxia.
Future strategies involve advanced microscale technologies and tissue fragments.

Conclusions:

Prevascularization is essential for successful tissue engineering.
Advancements in prevascularization strategies will enhance clinical translation.
Integration of diverse techniques promises broader implementation of tissue engineering.