Enhancer–promoter contact formation requires RNAPII and antagonizes loop extrusion

S Zhang, N Übelmesser, M Barbieri, A Papantonis - Nature genetics, 2023 - nature.com
Homotypic chromatin interactions and loop extrusion are thought to be the two main drivers
of mammalian chromosome folding. Here we tested the role of RNA polymerase II (RNAPII) …

Transcription shapes 3D chromatin organization by interacting with loop extrusion

EJ Banigan, W Tang… - Proceedings of the …, 2023 - National Acad Sciences
Cohesin folds mammalian interphase chromosomes by extruding the chromatin fiber into
numerous loops.“Loop extrusion” can be impeded by chromatin-bound factors, such as …

p53 in senescence–it's a marathon, not a sprint

E Sheekey, M Narita - The FEBS journal, 2023 - Wiley Online Library
The tumour suppressor p53, a stress‐responsive transcription factor, plays a central role in
cellular senescence. The role of p53 in senescence‐associated stable proliferative arrest …

[HTML][HTML] Beyond SAHF: An integrative view of chromatin compartmentalization during senescence

I Olan, T Handa, M Narita - Current Opinion in Cell Biology, 2023 - Elsevier
Cellular senescence, a persistent form of cell cycle arrest, has been linked to the formation
of heterochromatic foci, accompanied by additional concentric epigenetic layers. However …

Chromatin conformational changes at human satellite II contribute to the senescence phenotype in the tumor microenvironment

K Miyata, X Zhou, M Nishio, A Hanyu… - Proceedings of the …, 2023 - National Acad Sciences
Cellular senescence and senescence-associated secretory phenotype (SASP) in stromal
cells within the tumor microenvironment promote cancer progression. Although cellular …

Lineage specific 3D genome structure in the adult human brain and neurodevelopmental changes in the chromatin interactome

S Rahman, P Dong, P Apontes… - Nucleic acids …, 2023 - academic.oup.com
The human brain is a complex organ comprised of distinct cell types, and the contribution of
the 3D genome to lineage specific gene expression remains poorly understood. To decipher …

Emerging regulatory mechanisms of noncoding RNAs in topologically associating domains

SJ Yeo, C Ying, MJ Fullwood, V Tergaonkar - Trends in Genetics, 2023 - cell.com
Topologically associating domains (TADs) are integral to spatial genome organization,
instructing gene expression, and cell fate. Recently, several advances have uncovered roles …

ΔNp63α-mediated epigenetic regulation in keratinocyte senescence

L Kuang, C Li - Epigenetics, 2023 - Taylor & Francis
Keratinocyte senescence contributes to skin ageing and epidermal dysfunction. According to
the existing knowledge, the transcription factor ΔNp63α plays pivotal roles in differentiation …

Dynamic enhancer interactome promotes senescence and aging

L Wang, G Donahue, C Zhang, A Havas, X Lei, C Xu… - bioRxiv, 2023 - biorxiv.org
Gene expression programs are regulated by enhancers which act in a context-specific
manner, and can reside at great distances from their target genes. Extensive three …

BRWD1 orchestrates chromatin topology by converting static to dynamic cohesin complexes

M Mandal, M Maienschein-Cline, Y Hu, A Mohsin… - bioRxiv, 2023 - biorxiv.org
Lymphocyte development consists of sequential and mutually exclusive cell states of
proliferative selection and antigen receptor gene recombination. Transitions between each …