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Toward development of an implantable tissue engineered liver
1Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge 02139, USA.
Biomaterials
|February 1, 1996
Summary
Tissue engineering of implantable liver devices using hepatocytes shows promise for treating liver disease and enhancing ex vivo gene therapy. Research focuses on biodegradable scaffolds to improve long-term function and support.
Area of Science:
- Hepatology
- Tissue Engineering
- Biomaterials Science
Background:
- Liver disease treatment and ex vivo gene therapy efficacy are limited by current approaches.
- Engineering implantable devices for long-term hepatic support faces challenges due to the liver's complex functions and high metabolic activity.
Purpose of the Study:
- To review strategies for hepatocyte transplantation on implantable devices for liver tissue engineering.
- To highlight advancements in biodegradable polymer scaffolds for liver support devices.
- To identify areas for improving the function of engineered liver devices.
Main Methods:
- Review of existing literature on hepatocyte transplantation techniques.
- Focus on biodegradable polymer scaffolds for tissue engineering.
- Analysis of successful animal model studies documenting liver-specific marker production and metabolite clearance.
Main Results:
- Hepatocyte transplantation on implantable devices has shown success in animal models.
- Documented evidence of albumin production and clearance of bilirubin and urea metabolites.
- Biodegradable polymer scaffolds are a key strategy in successful liver tissue engineering.
Conclusions:
- Implantable devices with transplanted hepatocytes offer a promising approach for liver disease treatment.
- Biodegradable polymer scaffolds are crucial for the success of engineered liver devices.
- Further research into specific areas can enhance the function of these devices.