Evidence map›Paper›PMID 40282394›Full record

ArticleGenes2025

Maternal Uniparental Isodisomy of Chromosome 6: A Novel Case of Teratoma and Autism Spectrum Disorder with a Diagnostic and Management Framework.

Aleksandra Świeca, Maria Franaszczyk, Agnieszka Maryniak, Patryk Lipiński, Rafał Płoski, Krzysztof Szczałuba

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In one paragraph

Article in Genes, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0citing papers in PubMed
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1 · What the graph read from it

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Aleksandra ŚwiecaDepartment of Medical Genetics, Medical University of Warsaw, 02-106 Warsaw, Poland.
Maria FranaszczykDepartment of Medical Genetics, Medical University of Warsaw, 02-106 Warsaw, Poland.
Agnieszka MaryniakThe Faculty of Psychology, University of Warsaw, 00-183 Warsaw, Poland.
Patryk LipińskiInstitute of Clinical Sciences, Maria Skłodowska-Curie Medical Academy, 00-136 Warsaw, Poland.ORCID 0000-0002-1849-8375
Rafał PłoskiDepartment of Medical Genetics, Medical University of Warsaw, 02-106 Warsaw, Poland.ORCID 0000-0001-6286-5526
Krzysztof SzczałubaDepartment of Medical Genetics, Medical University of Warsaw, 02-106 Warsaw, Poland.ORCID 0000-0001-8803-646X

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundUniparental disomy (UPD) is the inheritance of both copies of a chromosome from a single parent, leading to distinct genetic conditions. Maternal UPD of chromosome 6 (UPD(6)mat) is extremely rare, with few molecularly confirmed cases reported.

methodsWe report a prematurely born female with isodisomic UPD(6)mat, presenting with intrauterine growth restriction (IUGR), developmental delay, autism spectrum disorder, dysmorphic features, and a sacrococcygeal teratoma. In addition, we reviewed 24 confirmed UPD(6)mat cases to assess clinical patterns in prenatal findings, birth outcomes, and postnatal features.

resultsTrio whole-exome sequencing revealed complete isodisomy of chromosome 6 and a de novo heterozygous

conclusionsThis study aims to enhance the understanding of the genetic and phenotypic spectrum of UPD(6)mat, improving diagnostic and management approaches for this ultra-rare genetic disorder. We propose a detailed list of clinical assessments and tests to be performed following the detection of maternal uniparental disomy of chromosome 6.

Indexed as

Autism Spectrum DisorderChromosomes, Human, Pair 6TeratomaUniparental DisomyAdultExome SequencingFemaleHumansInfant, NewbornPregnancyautism spectrum disorderchromosomesfetal growth retardationhumanimprinting disordersintellectual disabilitypair 6teratomauniparental disomy

Identifiers

PMID40282394
PMCPMC12026494

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