Results 111 to 120 of about 800,836 (279)

MePCE promotes homologous recombination through coordinating R-loop resolution at DNA double-stranded breaks

open access: yesCell Reports
Summary: MePCE is a multifunctional protein that regulates the positive transcription elongation factor b (P-TEFb) partitioning between the nucleosol and chromatin.
Sravan K. Devanathan   +8 more
doaj   +1 more source

CTCF as a boundary factor for cohesin-mediated loop extrusion: evidence for a multi-step mechanism

open access: yesNucleus, 2020
Mammalian genome structure is closely linked to function. At the scale of kilobases to megabases, CTCF and cohesin organize the genome into chromatin loops.
Anders S. Hansen
doaj   +1 more source

Histone crosstalk directed by H2B ubiquitination is required for chromatin boundary integrity [PDF]

open access: yes, 2011
Genomic maps of chromatin modifications have provided evidence for the partitioning of genomes into domains of distinct chromatin states, which assist coordinated gene regulation.
West, A.   +8 more
core   +2 more sources

Engineering Approaches to Modify Immunomodulatory Functions of Mesenchymal Stromal Cells (MSCs): Tissue Regeneration and Clinical Application

open access: yesAdvanced Science, EarlyView.
Mesenchymal stromal cells (MSCs) show promise for treating immune‐related disorders through immunomodulation and tissue regeneration. This review gives a brief overview of current clinical approval of MSC therapies. It also discussed how bioengineering, including genetic modification, biomaterial delivery, extracellular vesicles, and iPSC‐derived MSCs,
Sichen Yang   +6 more
wiley   +1 more source

Agrégation seminar 2024

open access: yes
After our 2022 seminar with Marc Porée, and our 2023 seminar with Jeremy Elprin on Keats, Loop is proud to present the 2024 agrégation seminar: Claire Vial and Agnès Blandeau: On Sir Gawain and the Green Knight (text and film) Amélie Ducroux : On T.S ...
The LOOP team
core   +1 more source

GHRHR Deficiency Enhances Retinal Ganglion Cell Survival and Visual Functions in Experimental Glaucoma by Inhibiting Ferroptosis

open access: yesAdvanced Science, EarlyView.
Glaucoma, a major cause of blindness, involves retinal ganglion cell (RGC) degeneration. This study shows growth hormone‐releasing hormone receptor (GHRHR) deficiency preserves RGC survival and restores vision, unlike activation which only aids survival.
Yan Tong   +24 more
wiley   +1 more source

Genomic Looping: A Key Principle of Chromatin Organization

open access: yesMicrobial Physiology, 2014
The effective volume occupied by the genomes of all forms of life far exceeds that of the cells in which they are contained. Therefore, all organisms have developed mechanisms for compactly folding and functionally organizing their genetic material. Through recent advances in fluorescent microscopy and 3C-based technologies, we finally have a first ...
Ramon A, van der Valk   +3 more
openaire   +2 more sources

RNAi in the Rhizarian Phytopathogen Plasmodiophora brassicae: The Causal Agent of Clubroot Disease in Cruciferous Crops

open access: yesAdvanced Science, EarlyView.
This study uncovers an unusual RNAi pathway in the rhizarian pathogen Plasmodiophora brassicae. In the absence of Dicer, a Drosha‐like RNase III protein supports the biogenesis of predominant 21‐nt small RNAs, and two Argonaute proteins mediate small RNA‐guided silencing.
Xiong Zhang   +13 more
wiley   +1 more source

Overcoming Artificial Structures in Resolution‐Enhanced Hi‐C Data by Signal Decomposition and Multi‐Scale Attention

open access: yesAdvanced Science, EarlyView.
Deep‐learning‐based signal enhancement is an effective way to recover high‐resolution details from a low‐resolution chromatin contact map. However, due to computational challenges, existing methods commonly divide up the contact map into small patches and create artificial discontinuities at patch boundaries.
Qinyao Li   +6 more
wiley   +1 more source

Perturbation of chromatin structure globally affects localization and recruitment of splicing factors [PDF]

open access: yes, 2012
Chromatin structure is an important factor in the functional coupling between transcription and mRNA processing, not only by regulating alternative splicing events, but also by contributing to exon recognition during constitutive splicing.
Risso, Guillermo, J   +47 more
core   +1 more source

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