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Omics · study · 2026

UBA1-CDK16: A Female-Specific Chimeric RNA Emerging Through Evolution and Involved in Immune Regulation

Listed in NCBI GEO

Chimeric RNAs resulting from intergenic splicing represent a novel mechanism for transcriptome expansion.

Description

To explore the role of this new layer of the transcriptome in sex-specific immunity, we analyzed RNA-seq data from 425 blood samples and identified the first female-specific chimeric RNA, UBA1-CDK16, which was further validated in over 1,200 blood samples. This chimeric RNA forms via cis-splicing between two adjacent X-linked parental genes, UBA1 and CDK16, despite both being expressed in both sexes.

We demonstrated that a female-specific chromatin loop at the UBA1-CDK16 junction sites facilitates the intergenic splicing. Evolutionary analysis revealed that UBA1-CDK16 became female-specific in humans through at least two independent paths. Functional studies suggested UBA1-CDK16 is enriched in the myeloid lineage and may regulate myeloid cell development and inflammatory responses.

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Notably, its abnormal expression in female COVID-19 patients correlates with altered neutrophil counts, highlighting its potential role in disease pathogenesis.

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From keywords
Life Sciences
Provenance · 1 source records, 10 field assertions
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NCBI GEOGSE31131114 d agoJSON v1
FieldAssertionExtractorEvidence
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concepts[field].local:field:life-sciencesmapping · NCBI GEOconnector:ncbi_geo@1.0.0
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concepts[modality].local:modality:rna-seqenrichment · NCBI GEOkeyword-concept-rules@1.0.0title+description (65%)
concepts[organism].NCBITaxon:9606source · NCBI GEOconnector:ncbi_geo@1.0.0/taxon
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