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n/a Ensembl n/a n/a UniProt n a n/a RefSeq (mRNA) n/a n/a RefSeq (protein) n/a n/a Location (UCSC) n/a n/a PubMed search n/a n/a Wikidata View/Edit Human Cdc25 is a dual-specificity phosphatase first isolated from the yeast Schizosaccharomyces pombe as a cell cycle defective mutant. As with other cell cycle proteins or genes such as Cdc2 and Cdc4, the "cdc" in its name refers to " c ell d ...
CDC25A is a member of the CDC25 family of dual-specificity phosphatases. Dual-specificity protein phosphatases remove phosphate groups from phosphorylated tyrosine and serine / threonine residues. They represent a subgroup of the tyrosine phosphatase family (as opposed to the serine/threonine phosphatase family).
This gene is highly conserved during evolution and it plays a key role in the regulation of cell division. The encoded protein is a tyrosine phosphatase and belongs to the Cdc25 phosphatase family. It directs dephosphorylation of cyclin B-bound CDC2 (CDK1) and triggers entry into mitosis. It is also thought to suppress p53-induced growth arrest.
Absence of Cdc25 arrests cells in G2, but still allows activation of the G2-M checkpoint, implicating that both the activation of Wee1 and deactivation of Cdc25 as important regulatory steps in the checkpoint. [11] Inactivation of Chk1 is sufficient to surpass the checkpoint and promote entry into mitosis, regardless if DNA damage is repaired.
Chk1 interacts with many downstream effectors to induce cell cycle arrest. In response to DNA damage, Chk1 primarily phosphorylates Cdc25 which results in its proteasomal degradation. [9] The degradation has an inhibitory effect on the formation of cyclin-dependent kinase complexes, which are key drivers of the cell cycle. [14]
Can we imagine ourselves back on that awful day in the summer of 2010, in the hot firefight that went on for nine hours? Men frenzied with exhaustion and reckless exuberance, eyes and throats burning from dust and smoke, in a battle that erupted after Taliban insurgents castrated a young boy in the village, knowing his family would summon nearby Marines for help and the Marines would come ...
Chk1 inhibits Cdc25 activity both directly and by promoting its exclusion from the nucleus. [7] The net effect is an increase in the threshold of cyclin B1 required to initiate the hysteretic transition to M-phase, effectively stalling the cell in G2 until the damage is repaired by mechanisms such as homology-directed repair (see above). [4]
Belgium will in January become the first European Union country to ban sales of disposable vapes because of concerns about their use among children and the environmental damage they can cause. The ...