WebFeb 1, 2024 · Figure 2. Regulation of enhancer–promoter interaction by CTCF and cohesin. Cohesin is thought to progressively extrude chromatin loops until it encounters convergent CTCF sites. When CTCF sites are present at promoter-proximal ( a) or enhancer-proximal ( b) location, cohesin will drive asymmetric loop extrusion. WebCTCF depletion leads to widespread upregulation of antisense transcription at divergent promoters. a, Schematic of the PRO-seq experiment (left) and quantification strategy (right).b, Schematic of the experimental set-up.c, PRO-seq MA plot of control versus CTCF-depleted cells on the antisense strand (−1,000 base pair (bp) to +200 bp relative to …
CTCF mediates chromatin looping via N-terminal domain-dependent ... - PNAS
WebJul 2, 2024 · The ATAC-Seq peaks bound with or without CTCF/Cohesin in both promoters and distal elements showed no obvious differences (Additional file 1: Fig. S7a), indicating general chromatin compaction after 6 h of Pol II depletion. These results implicate that Pol II degradation may indirectly change the 3D chromatin interactions. WebTo study the regulatory mechanism, the Pax6 reporter and its deletion mutant activities were determined in transfected Rb cells and chicken embryonic retinas, revealing that CTCF interacts with the Pax6 gene in Rb cells through transcription control in the 5'-flanking region upstream from the Pax6 P0 promoter. Overexpression of CTCF in Rb cells ... reading msc management international business
Frontiers CTCF Mediates Replicative Senescence Through POLD1
WebJan 30, 2024 · Chromosome structure in mammals is thought to regulate transcription by modulating three-dimensional interactions between enhancers and promoters, notably through CTCF-mediated loops and ... WebFeb 22, 2024 · Figure 1. CCCTC-binding factor (CTCF) mainly binds to the DNA polymerase delta 1, catalytic subunit (POLD1) promoter in two sites. (A) ENCODE database analysis showing potential CTCF-binding sites in the POLD1 promoter.(B) The JASPAR database predicted five higher score binding sites of CTCF to the POLD1 promoter, and the … WebMar 25, 2011 · The CTCF overexpression vector was found to enhance luciferase activity from the Glut-4 promoter . CTCF is a highly conserved zinc finger protein that regulates gene transcription through the formation of higher order chromatin structures . how to subtract matrices