Journal
ACS BIOMATERIALS SCIENCE & ENGINEERING
Volume 5, Issue 1, Pages 19-44Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsbiomaterials.8b00252
Keywords
foreign body response; nonspecific protein adsorption; antifouling polymers; polymer degradation and erosion
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Funding
- Department of Biotechnology, Government of India
- Department of Science and Technology, Government of India
- National Network on Mathematical and Computational Biology
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The human body is endowed with an uncanny ability to distinguish self from foreign. The implantation of a foreign object inside a mammalian host activates complex signaling cascades, which lead to biological encapsulation of the implant. This reaction by the host system to a foreign object is known as foreign body response (FBR). Over the last few decades, it has been increasingly important to have a deeper insight into the mechanisms of FBR is needed to develop biomaterials for better integration with living systems. In the light of recent advances in tissue engineering and regenerative medicine, particularly in the field of biosensors and biodegradable tissue engineering scaffolds, the classical concepts related to the FBR have acquired new dimensions. The aim of this review is to provide a holistic view of the FBR, while critically analyzing the challenges, which need to be addressed in the future to overcome this innate response. In particular, this review discusses the relevant experimental methodology to assess the host response. The role of erosion and degradation behavior on FBR with biodegradable polymers is largely explored. Apart from the discussion on temporal progression of FBR, an emphasis has been given to the design of next-generation biomaterials with favorable host response.
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