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Human Polyclonal WAPAL Primary Antibody for ICC, IF - ABIN4365920
Lu, Cui, Fu, Wang: Human wings apart-like gene is specifically overexpressed in cervical cancer. in Oncology letters 2016
The results show that cohesin has an essential genome-wide function in mediating long-range chromatin interactions and support the hypothesis that cohesin creates these by loop extrusion, until it is delayed by CTCF in a manner dependent on PDS5 proteins, or until it is released from DNA by WAPL.
Study shows that chromatin loop size can be increased and that the duration with which cohesin embraces DNA determines the degree to which loops are enlarged. Cohesin's DNA release factor WAPL restricts this loop extension and also prevents looping between incorrectly oriented CTCF sites.
Rs7083506 and rs11202058 polymorphisms of hWAPL and their haplotype T-A were associated with cervical cancer.
WAPL-depleted cells undergo anaphase with segregation errors, resulting in micronuclei and DNA damage. Stable WAPL depletion arrests cells in a p53-dependent manner but causes p53-deficient cells to become highly aneuploid.
Wapl-C interacts with other cohesin subunits and possibly unknown effectors to trigger cohesin release from chromatin
Depletion of Wapl, a negative cohesin regulator, rescues sister chromatid homologous recombination defects of Mms21-deficient or Scc1 mutant-expressing cells
FOE encodes a protein of 1227 amino acids with a functional bipartite nuclear localization signal, an arginine-rich motif, a putative nuclear export signal as well as with three highly acidic regions and a predicted coiled-coil domain.
Wapl is a new regulator of sister chromatid resolution and promotes release of cohesin from chromosomes by directly interacting with its regulatory subunits
Wapl is required to unlock cohesin from a particular state in which it is stably bound to chromatin.
our study suggests that unscheduled overexpression of WAPL disturbs mitosis and cytokinesis, and contributes to tumor progression by induction of chromosomal instability.
isolated a large number of additional alternatively spliced WAPL variants from various cervical epithelia. Each variant consists of a variable 5'-terminal region and the conserved remainder.
The results demonstrate that the zygotic genome folds into loops and domains that critically depend on Scc1-cohesin and that are regulated in size and linear density by Wapl.
NEK1 phosphorylates PP1gamma, leading to the dephosphorylation of WAPL, which, in turn, results in its retention on chromosome cores to promote loss of cohesion at the end of prophase I in mammals.
distribution of cohesin in the mouse genome depends on transcription, CTCF and the cohesin release factor Wings apart-like (Wapl)
High levels of WAPAL are observed in human cervical cancers, and expression of human WAPAL in mice causes tumor formation.
in mitosis, Wapl-mediated release of cohesin from DNA is essential for proper chromosome segregation and protects cohesin from cleavage by the protease separase, thus enabling mitotic exit in the presence of functional cohesin complexes
mWAPL may be involved in spermatogenesis and be target genes mediating the reproductive toxicity induced by 2,3,7,8-trachlorodibenzo-p-dioxin .
Regulator of sister chromatid cohesion in mitosis which negatively regulates cohesin association with chromatin. Involved in both sister chromatid cohesion during interphase and sister- chromatid resolution during early stages of mitosis. Couples DNA replication to sister chromatid cohesion. Cohesion ensures that chromosome partitioning is accurate in both meiotic and mitotic cells and plays an important role in DNA repair (By similarity).
wings apart-like protein homolog
, wings apart-like homolog (Drosophila)
, WAPL family member (wapl-1)-like
, friend of EBNA2 (Epstein-Barr virus nuclear protein 2)
, friend of EBNA2 protein
, WAPL protein
, dioxin-inducible factor 2
, friend of EBNA2