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DNA & Genetic Damage164 citations

Lerchl A, Klose M, Drees K

No Effects Found

Lerchl A, Klose M, Drees K · 2020

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Insufficient information to determine key finding.

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Insufficient information provided. Only the authors (Lerchl A, Klose M, Drees K), year (2020), and study type (in vitro) are available. The title is not included in the provided data, making it impossible to determine the study's focus or findings.

Cite This Study
Lerchl A, Klose M, Drees K (2020). Lerchl A, Klose M, Drees K.
Show BibTeX
@article{lerchl_a_klose_m_drees_k_ce2898,
  author = {Lerchl A and Klose M and Drees K},
  title = {Lerchl A, Klose M, Drees K},
  year = {2020},
  doi = {10.1016/j.celrep.2019.12.057},
  
}
DOI: 10.1016/j.celrep.2019.12.057

Quick Questions About This Study

Cohesin creates topologically associating domains (TADs) that help organize chromosomes and regulate gene expression. It also counteracts polycomb-dependent chromosome interactions, modulating which genes get turned on or off in embryonic stem cells.
Polycomb proteins, specifically PRC1, create long-range chromosomal interactions that persist even when cohesin is absent. These interactions help repress certain genes and are part of the cell's gene regulation system.
Without cohesin, cells lose their normal chromosome organization and TAD structure. However, polycomb-dependent interactions become more prominent, revealing a previously hidden layer of chromosome organization that affects gene expression patterns.
No, the study found that cohesin's ability to disrupt polycomb-dependent chromosome interactions is independent of CTCF and insulation mechanisms. This suggests cohesin has multiple ways of influencing chromosome organization beyond its known functions.
Chromosome organization determines which genes can interact with regulatory elements and whether they get turned on or off. The competing activities of cohesin and polycomb systems create a balance that's essential for proper cellular function.