Evidence map›Paper›PMID 22945834›Full record

ArticleHepatology (Baltimore, Md.)2013

Wilson's disease: changes in methionine metabolism and inflammation affect global DNA methylation in early liver disease.

Valentina Medici, Noreene M Shibata, Kusum K Kharbanda, Janine M LaSalle, Rima Woods, Sarah Liu, Jesse A Engelberg, Sridevi Devaraj, Natalie J Török, Joy X Jiang and 4 more

Abstract read
In one paragraph

Article in Hepatology (Baltimore, Md.), 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 47 papers.

0numbers the graph read from it
0cells of the map it votes in
47citing papers in PubMed
2.8field-weighted citation impact, top 10% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

47 citing papers in PubMed, 108 citations in OpenAlex.

  1. [Development and validation of a machine learning-based prediction model for fatty liver in Wilson disease].Nan fang yi ke da xue xue bao = Journal of Southern Medical University · 2026
    Article
  2. USP9X regulates copper-induced CASP9/CASP3/GSDME-dependent pyroptosis by deubiquitinating JAK1.Apoptosis : an international journal on programmed cell death · 2026
    Article
  3. Article
  4. Article
  5. Copper homeostasis and pregnancy complications: a comprehensive review.Journal of assisted reproduction and genetics · 2025
    Review
  6. Review
  7. Review
  8. Article
  9. Review
  10. Review
  11. Article
  12. Article
  13. Review
  14. Targeting one-carbon metabolism for cancer immunotherapy.Clinical and translational medicine · 2024
    Review
  15. Article
  16. [Factors influencing the clinical phenotype of hepatolenticular degeneration].Zhonghua gan zang bing za zhi = Zhonghua ganzangbing zazhi = Chinese journal of hepatology · 2023
    Review
  17. Methyl Group Metabolism in Differentiation, Aging, and Cancer.International journal of molecular sciences · 2022
    Review
  18. Review
  19. Wilson Disease: Update on Pathophysiology and Treatment.Frontiers in cell and developmental biology · 2022
    Review
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

14 authors at 4 institutions in 1 country.

Valentina MediciDepartment of Internal Medicine, Division of Gastroenterology and Hepatology, University of California Davis, Davis, CA 95817, USA. valentina.medici@ucdmc.ucdavis.edu
Noreene M Shibata
Kusum K Kharbanda
Janine M LaSalle
Rima Woods
Sarah Liu
Jesse A Engelberg
Sridevi Devaraj
Natalie J Török
Joy X Jiang
Peter J Havel
Bo Lönnerdal
Kyoungmi Kim
Charles H Halsted
University of California, Davis · USUniversity of California Davis Medical Center · USTexas Children's Hospital · USVA Nebraska Western Iowa Health Care System · US

Funding

UCSF Liver Core CenterP30DK026743 · NIDDK · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI Holger Willenbring · 1986 to 2026
$30.7M
UC DAVIS CLINICAL AND TRANSLATIONAL SCIENCE CENTER: BPCAUL1RR024146 · NCRR · UNIVERSITY OF CALIFORNIA AT DAVIS · PI BERGLUND, LARS F · 2006 to 2011
$27.0M
UC Davis Center for Children's Environmental Health (CCEH)P01ES011269 · NIEHS · UNIVERSITY OF CALIFORNIA DAVIS · PI VAN DE WATER, JUDY A. · 2001 to 2018
$12.5M
Mouse Metabolic Phenotyping Center (MMPC) at UC DavisU24DK092993 · NIDDK · UNIVERSITY OF CALIFORNIA AT DAVIS · PI LLOYD, KC KENT · 2011 to 2015
$4.1M
The Role of MeCP2 in Rett SyndromeR01HD041462 · NICHD · UNIVERSITY OF CALIFORNIA DAVIS · PI LASALLE, JANINE M · 2002 to 2011
$2.8M
The Role of MeCP2 in Rett SyndromeR01NS081913 · NINDS · UNIVERSITY OF CALIFORNIA AT DAVIS · PI LASALLE, JANINE M · 2012 to 2016
$1.9M
Methylomic and genomic impacts of organic pollutants in Dup15q syndromeR01ES021707 · NIEHS · UNIVERSITY OF CALIFORNIA AT DAVIS · PI LASALLE, JANINE M · 2012 to 2016
$1.8M
Wilson Disease: Regulation of Steatosis by Methionine MetabolismK08DK084111 · NIDDK · UNIVERSITY OF CALIFORNIA AT DAVIS · PI MEDICI, VALENTINA · 2010 to 2014
$765k
Epigenetic regulation of alcoholic steatohepatitis in a mouse modelR03AA020577 · NIAAA · UNIVERSITY OF CALIFORNIA AT DAVIS · PI HALSTED, CHARLES HOPKINSON · 2011 to 2012
$154k
Effect of Alcohol on Hepatic Creatine Biosynthesis: Role of Defective MethylationI01BX001155 · VA · OMAHA VA MEDICAL CENTER · PI KHARBANDA, KUSUM K. · 2012 to 2015
–
BLRD VA I01 BX001155NCRR NIH HHS UL1 RR024146NIAAA NIH HHS R03 AA020577NIAAA NIH HHS R03AA020577-01NICHD NIH HHS 2R01HD041462NICHD NIH HHS R01 HD041462NIDDK NIH HHS K08 DK084111NIDDK NIH HHS K08DK084111NIDDK NIH HHS P30 DK026743NIDDK NIH HHS U24 DK092993NIEHS NIH HHS P01 ES011269NIEHS NIH HHS R01 ES021707NIEHS NIH HHS T32ES002321NINDS NIH HHS R01 NS081913
6 · The paper itself

Abstract

unlabelledHepatic methionine metabolism may play an essential role in regulating methylation status and liver injury in Wilson's disease (WD) through the inhibition of S-adenosylhomocysteine hydrolase (SAHH) by copper (Cu) and the consequent accumulation of S-adenosylhomocysteine (SAH). We studied the transcript levels of selected genes related to liver injury, levels of SAHH, SAH, DNA methyltransferases genes (Dnmt1, Dnmt3a, Dnmt3b), and global DNA methylation in the tx-j mouse (tx-j), an animal model of WD. Findings were compared to those in control C3H mice, and in response to Cu chelation by penicillamine (PCA) and dietary supplementation of the methyl donor betaine to modulate inflammatory and methylation status. Transcript levels of selected genes related to endoplasmic reticulum stress, lipid synthesis, and fatty acid oxidation were down-regulated at baseline in tx-j mice, further down-regulated in response to PCA, and showed little to no response to betaine. Hepatic Sahh transcript and protein levels were reduced in tx-j mice with consequent increase of SAH levels. Hepatic Cu accumulation was associated with inflammation, as indicated by histopathology and elevated serum alanine aminotransferase (ALT) and liver tumor necrosis factor alpha (Tnf-α) levels. Dnmt3b was down-regulated in tx-j mice together with global DNA hypomethylation. PCA treatment of tx-j mice reduced Tnf-α and ALT levels, betaine treatment increased S-adenosylmethionine and up-regulated Dnmt3b levels, and both treatments restored global DNA methylation levels.

conclusionReduced hepatic Sahh expression was associated with increased liver SAH levels in the tx-j model of WD, with consequent global DNA hypomethylation. Increased global DNA methylation was achieved by reducing inflammation by Cu chelation or by providing methyl groups. We propose that increased SAH levels and inflammation affect widespread epigenetic regulation of gene expression in WD.

Indexed as

AdenosylhomocysteinaseAnimalsBetaineCopperDisease Models, AnimalDNA (Cytosine-5-)-MethyltransferasesDNA MethylationDNA Methyltransferase 3BDown-RegulationEndoplasmic Reticulum StressEpigenesis, GeneticHepatolenticular DegenerationInflammationLiverMethionineMiceAdenosylhomocysteinaseBetaineCopperDNA (Cytosine-5-)-MethyltransferasesDNA Methyltransferase 3BMethioninePenicillamineS-Adenosylhomocysteine

Identifiers

PMID22945834
PMCPMC3566330
OpenAlexW2052448553

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.