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. 2018 Mar 19:2018:4508085.
doi: 10.1155/2018/4508085. eCollection 2018.

Association between Subclinical Low Serum 25(OH)D in Donors and Fatty Liver Disease in Recipients after Living Donor Liver Transplantation

King-Wah Chiu  1   2   3 , Toshiaki Nakano  3   4   5 , Tsung-Hui Hu  1   2   3 , Kuang-Den Chen  3   5 , Li-Wen Hsu  3   5 , Hock-Liew Eng  3   6 , Yu-Fan Cheng  3   7 , Shigeru Goto  3   8   9 , Chao-Long Chen  3   5
Affiliations

Association between Subclinical Low Serum 25(OH)D in Donors and Fatty Liver Disease in Recipients after Living Donor Liver Transplantation

King-Wah Chiu et al. Biomed Res Int. .

Abstract

To explore subclinical fatty liver disease (FLD) in donors as a possible mechanism leading to FLD in recipients of living donor liver transplantation (LDLT), we extracted thirty donor-recipient pairs' serum DNA and explored the presence of CYP2R1 single nucleotide polymorphism (SNP) rs10741657 and vitamin D receptor (VDR) SNP rs2228530 A/G alleles using real-time polymerase chain reaction. We measured the serum 25(OH)D concentrations and investigated the CYP2R1 and VDR genotypes of the donors and recipients before and after LDLT for comparison with the histological findings from the donors on wedge biopsy, the recipients' removed native liver, and selective liver biopsy after LDLT. There was a significant difference in low serum 25(OH)D concentration between the donors and recipients before LDLT and in the recipients before versus after LDLT (13.90 ± 8.85 versus 47.9 ± 14.88 versus 11.82 ± 10.36, P < 0.001), and significant difference in FLD was detected on wedge biopsy from the donors and the native liver from the recipients as well as the native liver and follow-up biopsy from the recipients (P < 0.001). CYP2R1 and VDR genotype were predominant, both for the AG and for the GG alleles. For the donor VDR SNP rs2228570, low serum 25(OH)D was significantly different between genotypes AA and AG (P = 0.024) as well as between genotypes AA and AG plus GG (P = 0.042). Our data suggest that donors' VDR rs2228570 AA alleles may play a major role in low serum 25(OH)D regarding pathological FLD in recipients after LDLT.

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Figures

Figure 1
Figure 1
Difference in serum 25(OH)D levels of donor versus recipient before living donation liver transplantation (LDLT) and of recipient before versus after LDLT (P < 0.001).
Figure 2
Figure 2
Figure 3
Figure 3
Graphic conclusion: a subclinical low serum 25(OH)D level is associated with VDR rs2228570, particularly the AA genotype, of the donors, which may play a major role in FLD in recipients after LDLT.
See this image and copyright information in PMC

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