High density gene expression microarrays and gene ontology analysis for identifying processes in implanted tissue engineering constructs.

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Publication year
2010Source
Biomaterials, 31, 32, (2010), pp. 8299-8312ISSN
Annotation
1 november 2010
Publication type
Article / Letter to editor

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Organization
Biochemistry (UMC)
Human Genetics
Journal title
Biomaterials
Volume
vol. 31
Issue
iss. 32
Page start
p. 8299
Page end
p. 8312
Subject
IGMD 3: Genomic disorders and inherited multi-system disorders; NCMLS 3: Tissue engineering and pathology; NCMLS 6: Genetics and epigenetic pathways of diseaseAbstract
The in vivo performance of tissue-engineered constructs is often based on generally accepted read-out parameters, like (immuno)histology. In this study, high-density gene expression microarrays and gene ontology (GO) analysis were used as a read-out tool to identify the biological processes occurring after implantation of an acellular collagen-based skin construct using a rat full-thickness wound model. A freely-available program (DAVID) was used to identify up/downregulated biological processes (GO-terms) and results were compared to wound healing/regeneration without a construct. The entire process from RNA isolation to biological interpretation is explained step-by-step. Conventional (immuno)histology was used to validate the biological processes identified and indicate that microarray analysis may provide a valuable, fast and unbiased tool to evaluate the in vivo performance of tissue-engineered constructs. However, challenges remain e.g. with regards to the development of specific GO-terms and annotation of the (rat) genome.
This item appears in the following Collection(s)
- Academic publications [189120]
- Electronic publications [87995]
- Faculty of Medical Sciences [74529]
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