Evidence map›Paper›PMID 31440421›Full record

ArticleExperimental hematology & oncology2019

A novel RNA variant of human concentrative nucleoside transporter 1 (hCNT1) that is a potential cancer biomarker.

Chunmei Wang, John K Buolamwini

Abstract read
In one paragraph

Article in Experimental hematology & oncology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
–field-weighted citation impact
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

11 citing papers in PubMed.

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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

2 authors.

Chunmei Wang1Department of Pharmaceutical Science, College of Pharmacy, University of Tennessee Health Sciences Center, 881 Madison Avenue, Memphis, TN 38163 USA.
John K Buolamwini1Department of Pharmaceutical Science, College of Pharmacy, University of Tennessee Health Sciences Center, 881 Madison Avenue, Memphis, TN 38163 USA.

Funding

A Targeted Preemptive Approach to Addressing Mitochondrial Toxicity of NucleosideR01GM104503 · NIGMS · UNIVERSITY OF TENNESSEE HEALTH SCI CTR · PI BUOLAMWINI, JOHN K · 2012 to 2015
$1.1M
DEVELOPMENT OF NOVEL CHEMOPRVENTIVE AGENTSR03CA125850 · NCI · UNIVERSITY OF TENNESSEE HEALTH SCI CTR · PI BUOLAMWINI, JOHN K · 2007 to 2008
$146k
NCI NIH HHS R03 CA125850NIGMS NIH HHS R01 GM104503
6 · The paper itself

Abstract

backgroundThe human concentrative nucleoside transporter 1 (hCNT1) a product of the

methodsWe examined several clones of hCNT1 generated from RT-PCR of total RNA from human kidney tissue purchased from Ambion. The resulting cDNA clones were then sequenced, and a variant that retained intron 4, and skipped some exons fully or partly, specifically exons 5 and 13 were completely missed and only part of exon 6 was spliced. Tissue expression analysis by PCR indicated a similar distribution of expression of RNA of the splice variant hCNT1-IR as that of the dominant variant hCNT1, particularly in the small intestine, kidney and liver. Further, analysis of various tumor samples with PCR primers designed from this novel hCNT1 splice variant (hCNT1-IR) revealed interestingly that it is overexpressed in some cancer tissues relative to normal tissues, particularly kidney, liver and pancreatic cancers.

conclusionWe have identified a novel intron retaining and exon skipping splice variant of the hCNT1 nucleoside transporter, and designated it hCNT1-IR, which has a similar tissue expression distribution as the normal hCNT1 variant, but unlike the normal transcript, hCNT1-IR is overexpressed in some cancers and may serve as a potential cancer biomarker.

Indexed as

Concentrative nucleoside transporter 1 (SLC28A1)hCNT1 intron retentionIntron retentionSplice variant

Identifiers

PMID31440421
PMCPMC6704654

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