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Variational autoenc...
Variational autoencoding of gene landscapes during mouse CNS development uncovers layered roles of Polycomb Repressor Complex 2
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- Mora, Ariane (författare)
- Univ Queensland, Australia
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- Rakar, Jonathan (författare)
- Linköpings universitet,Avdelningen för kirurgi, ortopedi och onkologi,Medicinska fakulteten
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- Monedero Cobeta, Ignacio (författare)
- Linköpings universitet,Avdelningen för molekylär medicin och virologi,Medicinska fakulteten,Univ Autonoma Madrid, Spain
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- Yaghmaeian Salmani, Behzad (författare)
- Karolinska Institutet,Linköpings universitet,Avdelningen för molekylär medicin och virologi,Medicinska fakulteten,Karolinska Inst, Sweden
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- Starkenberg, Annika (författare)
- Linköpings universitet,Avdelningen för kirurgi, ortopedi och onkologi,Medicinska fakulteten
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- Thor, Stefan (författare)
- Linköpings universitet,Avdelningen för molekylär medicin och virologi,Medicinska fakulteten,Univ Queensland, Australia
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- Bodén, Mikael (författare)
- Univ Queensland, Australia
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(creator_code:org_t)
- 2022-01-20
- 2022
- Engelska.
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Ingår i: Nucleic Acids Research. - : Oxford University Press. - 0305-1048 .- 1362-4962. ; 50:3, s. 1280-1296
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https://academic.oup...
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Abstract
Ämnesord
Stäng
- A prominent aspect of most, if not all, central nervous systems (CNSs) is that anterior regions (brain) are larger than posterior ones (spinal cord). Studies in Drosophila and mouse have revealed that Polycomb Repressor Complex 2 (PRC2), a protein complex responsible for applying key repressive histone modifications, acts by several mechanisms to promote anterior CNS expansion. However, it is unclear what the full spectrum of PRC2 action is during embryonic CNS development and how PRC2 intersects with the epigenetic landscape. We removed PRC2 function from the developing mouse CNS, by mutating the key gene Eed, and generated spatio-temporal transcriptomic data. To decode the role of PRC2, we developed a method that incorporates standard statistical analyses with probabilistic deep learning to integrate the transcriptomic response to PRC2 inactivation with epigenetic data. This multi-variate analysis corroborates the central involvement of PRC2 in anterior CNS expansion, and also identifies several unanticipated cohorts of genes, such as proliferation and immune response genes. Furthermore, the analysis reveals specific profiles of regulation via PRC2 upon these gene cohorts. These findings uncover a differential logic for the role of PRC2 upon functionally distinct gene cohorts that drive CNS anterior expansion. To support the analysis of emerging multi-modal datasets, we provide a novel bioinformatics package that integrates transcriptomic and epigenetic datasets to identify regulatory underpinnings of heterogeneous biological processes.
Ämnesord
- NATURVETENSKAP -- Biologi -- Bioinformatik och systembiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Bioinformatics and Systems Biology (hsv//eng)
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- art (ämneskategori)
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