Evidence map›Paper›PMID 19847790›Full record

ArticleHuman mutation2010

Allelic imbalance (AI) identifies novel tissue-specific cis-regulatory variation for human UGT2B15.

Chang Sun, Catherine Southard, David B Witonsky, Olufunmilayo I Olopade, Anna Di Rienzo

Abstract read
In one paragraph

Article in Human mutation, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
2.5field-weighted citation impact, top 10% of its field
1 · What the graph read from it

What it found

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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

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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

22 citing papers in PubMed, 32 citations in OpenAlex.

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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

5 authors at 1 institution in 1 country.

Chang SunDepartment of Human Genetics, University of Chicago, Chicago, Illinois 60637, USA.
Catherine Southard
David B Witonsky
Olufunmilayo I Olopade
Anna Di Rienzo
University of Chicago · US

Funding

Whole GenomeU01GM061393 · NIGMS · UNIVERSITY OF CHICAGO · PI DOLAN, MARY EILEEN · 2000 to 2014
$39.0M
Variation in Hormone and xenobiotic metabolizing enzyme genes and breast cancerP50CA125183 · NCI · UNIVERSITY OF CHICAGO · PI COX, NANCY · 2006 to 2010
$11.3M
NCI NIH HHS CA125183NCI NIH HHS P50 CA125183NIGMS NIH HHS GM61393NIGMS NIH HHS U01 GM061393
6 · The paper itself

Abstract

Allelic imbalance (AI) is a powerful tool to identify cis-regulatory variation for gene expression. UGT2B15 is an important enzyme involved in the metabolism of multiple endobiotics and xenobiotics. In this study, we measured the relative expression of two alleles at this gene by using SNP rs1902023:G>T. An excess of the G over the T allele was consistently observed in liver (P<0.001), but not in breast (P=0.06) samples, suggesting that SNPs in strong linkage disequilibrium with G253T regulate UGT2B15 expression in liver. Seven such SNPs were identified by resequencing the promoter and exon 1, which define two distinct haplotypes. Reporter gene assays confirmed that one haplotype displayed approximately 20% higher promoter activity compared to the other major haplotype in liver HepG2 (P<0.001), but not in breast MCF-7 (P=0.540) cells. Reporter gene assays with additional constructs pointed to rs34010522:G>T and rs35513228:C>T as the cis-regulatory variants; both SNPs were also evaluated in LNCaP and Caco-2 cells. By ChIP, we showed that the transcription factor Nrf2 binds to the region spanning rs34010522:G>T in all four cell lines. Our results provide a good example for how AI can be used to identify cis-regulatory variation and gain insights into the tissue specific regulation of gene expression.

Indexed as

Gene Expression RegulationGenetic VariationAllelic ImbalanceBinding SitesBreastChromatin ImmunoprecipitationEnhancer Elements, GeneticFemaleGlucuronosyltransferaseHumansLiverNF-E2-Related Factor 2Organ SpecificityGlucuronosyltransferaseNFE2L2 protein, humanNF-E2-Related Factor 2UDP-glucuronosyltransferase 2B15, human

Identifiers

PMID19847790
PMCPMC2922057
OpenAlexW2045717913

What OpenQuestion holds

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Registered trials

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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.