Evidence map›Paper›PMID 37018234›Full record

Trial reportPloS one2023

A novel integrative multi-omics approach to unravel the genetic determinants of rare diseases with application in sinusoidal obstruction syndrome.

Nicolas Waespe, Simona Jurkovic Mlakar, Isabelle Dupanloup, Mohamed Aziz Rezgui, Henrique Bittencourt, Maja Krajinovic, Claudia E Kuehni, Tiago Nava, Marc Ansari

Registry-linked trialOpen access · goldAbstract readClinical Trial
In one paragraph

Trial report in PloS one, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT01257854 (Polymorphisms and Busulfan Pharmacokinetic Study in Pediatric Transplnatation), which is not on this map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
0.9field-weighted citation impact, top 24% 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.

NCT01257854 unknown statusnot on this map

Polymorphisms and Busulfan Pharmacokinetic Study in Pediatric Transplnatation

TypeobservationalSponsorUniversity Hospital, GenevaRan2008 to 2023Enrolled200ConditionsChildren Who Receive a Stem Cell Transplantation With Busulfan IV
3 · Its place in the literature

Who cites it

1 citing paper in PubMed, 3 citations in OpenAlex.

  1. 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

9 authors at 4 institutions in 2 countries.

Nicolas WaespeInstitute of Social and Preventive Medicine, Childhood Cancer Research Group, University of Bern, Bern, Switzerland.ORCID 0000-0002-2271-8959
Simona Jurkovic MlakarFaculty of Medicine, Department of Pediatrics, Gynecology and Obstetrics, CANSEARCH Research Platform in Pediatric Oncology and Hematology, University of Geneva, Geneva, Switzerland.ORCID 0000-0002-2552-456X
Isabelle DupanloupSwiss Institute of Bioinformatics, Lausanne, Switzerland.
Mohamed Aziz RezguiDepartment of Pediatrics, Charles-Bruneau Cancer Center, CHU Sainte-Justine Research Center, Montreal, QC, Canada.
Henrique BittencourtDepartment of Pediatrics, Charles-Bruneau Cancer Center, CHU Sainte-Justine Research Center, Montreal, QC, Canada.
Maja KrajinovicDepartment of Pediatrics, Charles-Bruneau Cancer Center, CHU Sainte-Justine Research Center, Montreal, QC, Canada.
Claudia E KuehniInstitute of Social and Preventive Medicine, Childhood Cancer Research Group, University of Bern, Bern, Switzerland.ORCID 0000-0001-8957-2002
Tiago NavaFaculty of Medicine, Department of Pediatrics, Gynecology and Obstetrics, CANSEARCH Research Platform in Pediatric Oncology and Hematology, University of Geneva, Geneva, Switzerland.
Marc AnsariFaculty of Medicine, Department of Pediatrics, Gynecology and Obstetrics, CANSEARCH Research Platform in Pediatric Oncology and Hematology, University of Geneva, Geneva, Switzerland.ORCID 0000-0002-9649-6498
University of Geneva · CHCentre Hospitalier Universitaire Sainte-Justine · CASIB Swiss Institute of Bioinformatics · CHUniversity of Bern · CH

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundGenotype-phenotype analyses of rare diseases often suffer from a lack of power, due to small sample size, which makes identifying significant associations difficult. Sinusoidal obstruction syndrome (SOS) of the liver is a rare but life-threatening complication of hematopoietic stem cell transplantation (HSCT). The alkylating agent busulfan is commonly used in HSCT and known to trigger SOS. We developed a novel pipeline to identify genetic determinants in rare diseases by combining in vitro information with clinical whole-exome sequencing (WES) data and applied it in SOS patients and controls.

methodsFirst, we analysed differential gene expression in six lymphoblastoid cell lines (LCLs) before and after incubation with busulfan. Second, we used WES data from 87 HSCT patients and estimated the association with SOS at the SNP and the gene levels. We then combined the results of the expression and the association analyses into an association statistic at the gene level. We used an over-representation analysis to functionally characterize the genes that were associated with a significant combined test statistic.

resultsAfter treatment of LCLs with busulfan, 1708 genes were significantly up-, and 1385 down-regulated. The combination of the expression experiment and the association analysis of WES data into a single test statistic revealed 35 genes associated with the outcome. These genes are involved in various biological functions and processes, such as "Cell growth and death", "Signalling molecules and interaction", "Cancer", and "Infectious disease".

conclusionsThis novel data analysis pipeline integrates two independent omics datasets and increases statistical power for identifying genotype-phenotype associations. The analysis of the transcriptomics profile of cell lines treated with busulfan and WES data from HSCT patients allowed us to identify potential genetic contributors to SOS. Our pipeline could be useful for identifying genetic contributors to other rare diseases where limited power renders genome-wide analyses unpromising.

trial registrationFor the clinical dataset: Clinicaltrials.gov: NCT01257854. https://clinicaltrials.gov/ct2/history/NCT01257854.

Indexed as

Hematopoietic Stem Cell TransplantationHepatic Veno-Occlusive DiseaseBusulfanGenome-Wide Association StudyHumansMultiomicsRare DiseasesBusulfan

Identifiers

PMID37018234
PMCPMC10075428
OpenAlexW4362602546

What OpenQuestion holds

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LicenceCC BY
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Registered trials

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.