Unique Early Gene Expression Patterns in Human Adult-to-Adult Living Donor Liver Grafts Compared to Deceased Donor Grafts
Open accessAbstract
Because of inherent differences between deceased donor (DD) and living donor (LD) liver grafts, we hypothesize that the molecular signatures will be unique, correlating with specific biologic pathways and clinical patterns. Microarray profiles of 63 biopsies in 13 DD and 8 LD liver grafts done at serial time points (procurement, backbench and postreperfusion)were compared between groups using class comparisons, network and biological function analyses. Specific genes were validated by quantitative PCR and immunopathology. Clinical findings were also compared. Following reperfusion, 579 genes in DD grafts and 1324 genes in LDs were differentially expressed (p < 0.005). Many upregulated LD genes were related to regeneration, biosynthesis and cell cycle, and a large number of downregulated genes were linked to hepatic metabolism and energy pathways correlating with posttransplant clinical laboratory findings. There was significant upregulation of inflammatory/immune genes in both DD and LD, each with a distinct pattern. Gene expression patterns of select genes associated with inflammation and regeneration in LD and DD grafts correlated with protein expression. Unique patterns of early gene expression are seen in LD and DD liver grafts, correlating with protein expression and clinical results, demonstrating distinct inflammatory profiles and significant downregulation of metabolic pathways in LD grafts.
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A20 expression levels increase in deceased and living donor liver grafts hours following reperfusion.
“its expression levels increase in deceased and living donor liver grafts hours following reperfusion (20).”
From A20 promotes liver regeneration by decreasing SOCS3 expression to enhance IL-6/STAT3 proliferative signals (2013) · cites this paper as [20]
The Results section on deceased-donor grafts (page unavailable) names TNFAIP3/A20 among genes up-regulated after reperfusion. The living-donor Results section reports up-regulation of inflammatory genes but does not identify A20 as one of them; the Methods say POST biopsies were taken after reperfusion but do not establish the claimed interval of hours. (LLM, conf=0.86)
Experimental — accuracy not yet measuredA20 is induced in mice and humans as part of the hepatocyte's regenerative response following hepatectomy.
“A20, a newly identified player in LR, is induced in mice and humans as part of the hepatocyte’s regenerative response following hepatectomy (15, 20).”
From A20 promotes liver regeneration by decreasing SOCS3 expression to enhance IL-6/STAT3 proliferative signals (2013) · cites this paper as [20]
The Discussion describes regenerative gene-expression patterns in human liver grafts, but does not identify A20 as an induced gene. A search for A20 found it only in the References, in the title of a mouse hepatectomy study; our copy does not state that A20 is induced in mice and humans following hepatectomy. (LLM, conf=0.73)
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Cites
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Fouraschen, S. M. G., Pan, Q., de Ruiter, P. E., Farid, W. R. R., Kazemier, G., Kwekkeboom, J., Ijzermans, J. N. M., Metselaar, H. J., Tilanus, H. W., de Jonge, J., et al. (2012) · Stem Cells and Development · doi:10.1089/scd.2011.0560 · Cited by 102 · see citing works
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- Authors
- De Jonge, J., Kurian, S., Shaked, A., Reddy, K. R., Hancock, W., Salomon, D. R., & Olthoff, K. M.
- Affiliations
- Scripps Research Institute (US)
- University of Pennsylvania (US)
- Children's Hospital of Philadelphia (US)
- Corresponding author
- Olthoff, K.M.
- Venue
- American Journal of Transplantation
- Publisher
- Elsevier BV
- Published
- 2009-04
- Volume
- 9
- Issue
- 4
- Pages
- 758-772
- ISSN
- 1600-6135 (ISSN-L)
- PMC
- PMC2734955
- OpenAlex
- W2094629742
- Cited by
- 54
- References
- 2
- Citations by year
- 2026: 4 · 2025: 5 · 2024: 4 · 2021: 5 · 2020: 2 · 2019: 4 · 2018: 2 · 2017: 2 · 2015: 5 · 2014: 4 · 2013: 4 · 2012: 5
- FWCI
- 4.39
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- American Journal of Transplantation (publishedVersion, cc-by-nc-nd)
- PubMed (publishedVersion)
- EUR Research Repository (Erasmus University Rotterdam) (publishedVersion, other-oa)
- PubMed Central (acceptedVersion)
- EUR Research Repository (Erasmus University Rotterdam) (submittedVersion, other-oa)
- Funders
- Virginia Commonwealth University
- Thailand Science Research and Innovation
- National Institutes of Health
- National Institute of Allergy and Infectious Diseases (U19AI063603)
- National Institute of Diabetes and Digestive and Kidney Diseases (R01DK073192, R01 DK07319202)
- Topics
- Health Sciences › Medicine › Surgery › Organ Transplantation Techniques and Outcomes
- Health Sciences › Medicine › Hepatology › Liver physiology and pathology
- Health Sciences › Medicine › Surgery › Transplantation: Methods and Outcomes
- Keywords
- living donor liver transplantation, deceased donor liver transplantation, early gene expression, liver graft, liver regeneration, hepatic metabolism, inflammatory gene expression, immune response
- MeSH terms
- Adult, Cadaver, Gene Expression Regulation, Growth Substances, Humans, Inflammation, Interleukins, Liver Regeneration, RNA, Tissue Donors, Liver Transplantation, Cytokines, RNA, Complementary, DNA, Complementary, Living Donors, Reverse Transcriptase Polymerase Chain Reaction
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