Evidence map›Paper›PMID 35012468›Full record

ArticleBMC genomics2022

Long read sequencing reveals novel isoforms and insights into splicing regulation during cell state changes.

David J Wright, Nicola A L Hall, Naomi Irish, Angela L Man, Will Glynn, Arne Mould, Alejandro De Los Angeles, Emily Angiolini, David Swarbreck, Karim Gharbi and 2 more

Erratum issuedAbstract read
In one paragraph

Article in BMC genomics, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 36 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
36citing papers in PubMed, 1 pooled it
–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

36 citing papers in PubMed, 1 synthesis or guideline pooled it.

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  8. The "cutting edge" of non-canonical RNA splicing.Frontiers in molecular biosciences · 2026
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

12 authors.

David J WrightEarlham Institute, Norwich Research Park, Norfolk, NR4 7UZ, UK.
Nicola A L HallDepartment of Psychiatry, Medical Sciences Division, University of Oxford, Oxfordshire, OX3 3JX, UK.
Naomi IrishEarlham Institute, Norwich Research Park, Norfolk, NR4 7UZ, UK.
Angela L ManEarlham Institute, Norwich Research Park, Norfolk, NR4 7UZ, UK.
Will GlynnEarlham Institute, Norwich Research Park, Norfolk, NR4 7UZ, UK.
Arne MouldDepartment of Psychiatry, Medical Sciences Division, University of Oxford, Oxfordshire, OX3 3JX, UK.
Alejandro De Los AngelesDepartment of Psychiatry, Medical Sciences Division, University of Oxford, Oxfordshire, OX3 3JX, UK.
Emily AngioliniEarlham Institute, Norwich Research Park, Norfolk, NR4 7UZ, UK.
David SwarbreckEarlham Institute, Norwich Research Park, Norfolk, NR4 7UZ, UK.
Karim GharbiEarlham Institute, Norwich Research Park, Norfolk, NR4 7UZ, UK.
Elizabeth M TunbridgeDepartment of Psychiatry, Medical Sciences Division, University of Oxford, Oxfordshire, OX3 3JX, UK.
Wilfried HaertyEarlham Institute, Norwich Research Park, Norfolk, NR4 7UZ, UK. Wilfried.Haerty@earlham.ac.uk.ORCID http://orcid.org/0000-0003-0111-191X

Funding

Biotechnology and Biological Sciences Research Council BB/CCG1720/1Biotechnology and Biological Sciences Research Council BB/CSP1720/1Biotechnology and Biological Sciences Research Council BBS/E/T/000PR9811Biotechnology and Biological Sciences Research Council BBS/E/T/000PR9816Biotechnology and Biological Sciences Research Council BBS/E/T/000PR9817Biotechnology and Biological Sciences Research Council BBS/E/T/000PR9818Medical Research Council MR/P026028/1
6 · The paper itself

Abstract

backgroundAlternative splicing is a key mechanism underlying cellular differentiation and a driver of complexity in mammalian neuronal tissues. However, understanding of which isoforms are differentially used or expressed and how this affects cellular differentiation remains unclear. Long read sequencing allows full-length transcript recovery and quantification, enabling transcript-level analysis of alternative splicing processes and how these change with cell state. Here, we utilise Oxford Nanopore Technologies sequencing to produce a custom annotation of a well-studied human neuroblastoma cell line SH-SY5Y, and to characterise isoform expression and usage across differentiation.

resultsWe identify many previously unannotated features, including a novel transcript of the voltage-gated calcium channel subunit gene, CACNA2D2. We show differential expression and usage of transcripts during differentiation identifying candidates for future research into state change regulation.

conclusionsOur work highlights the potential of long read sequencing to uncover previously unknown transcript diversity and mechanisms influencing alternative splicing.

Indexed as

NanoporesRNA SplicingAlternative SplicingAnimalsHigh-Throughput Nucleotide SequencingHumansProtein IsoformsProtein Isoforms

Identifiers

PMID35012468
PMCPMC8744310

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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.