Results 41 to 50 of about 15,343 (151)

Polo-like kinase-dependent phosphorylation of the synaptonemal complex protein SYP-4 regulates double-strand break formation through a negative feedback loop.

open access: yeseLife, 2017
The synaptonemal complex (SC) is an ultrastructurally conserved proteinaceous structure that holds homologous chromosomes together and is required for the stabilization of pairing interactions and the completion of crossover (CO) formation between ...
Saravanapriah Nadarajan   +6 more
doaj   +1 more source

Stopping chromosomes from breaking bad

open access: yeseLife, 2017
The scaffolding that holds chromosome pairs together plays a key role in limiting the levels of double-strand breaks.
Rima Sandhu, G Valentin Börner
doaj   +1 more source

Polo-like kinase 4 kinase activity limits centrosome overduplication by autoregulating its own stability [PDF]

open access: yesJournal of Cell Biology, 2010
Accurate control of the number of centrosomes, the major microtubule-organizing centers of animal cells, is critical for the maintenance of genome integrity. Abnormalities in centrosome number can promote errors in spindle formation that lead to subsequent chromosome missegregation, and extra centrosomes are found in many cancers.
Holland, Andrew J   +4 more
openaire   +4 more sources

Development and Validation of an LC-MS/MS Assay to Quantitate 2′,4′,6′-Trihydroxyacetophenone in Rat and Dog Plasma and its Application to a Pharmacokinetic Study

open access: yesMolecules, 2020
In the present study, a simple, rapid, and reliable bioanalytical method was developed using liquid chromatography with tandem-mass spectrometry (LC-MS/MS) to quantify 2′,4′,6′-trihydroxyacetophenone (THAP) in rat and dog plasma with 2′,4′,6 ...
Hee Jo Yoo   +8 more
doaj   +1 more source

PLK4 drives centriole amplification and apical surface area expansion in multiciliated cells

open access: yeseLife, 2022
Multiciliated cells (MCCs) are terminally differentiated epithelia that assemble multiple motile cilia used to promote fluid flow. To template these cilia, MCCs dramatically expand their centriole content during a process known as centriole amplification.
Gina M LoMastro   +5 more
doaj   +1 more source

Male Hypogonadism and Germ Cell Loss Caused by a Mutation in Polo-Like Kinase 4 [PDF]

open access: yesEndocrinology, 2011
The genetic etiologies of male infertility remain largely unknown. To identify genes potentially involved in spermatogenesis and male infertility, we performed genome-wide mutagenesis in mice with N-ethyl-N-nitrosourea and identified a line with dominant hypogonadism and patchy germ cell loss.
Rebecca M, Harris   +2 more
openaire   +2 more sources

Identification of a Polo-like Kinase 4-Dependent Pathway for De Novo Centriole Formation [PDF]

open access: yesCurrent Biology, 2011
Supernumerary centrosomes are a key cause of genomic instability in cancer cells. New centrioles can be generated by duplication with a mother centriole as a platform or, in the absence of preexisting centrioles, by formation de novo. Polo-like kinase 4 (Plk4) regulates both modes of centriole biogenesis, and Plk4 deregulation has been linked to tumor ...
Eckerdt, Frank   +3 more
openaire   +2 more sources

KAT2-mediated PLK4 acetylation contributes to genomic stability by preserving centrosome number

open access: yesMolecular & Cellular Oncology, 2017
We have recently identified the first human lysine (K) acetyltransferase 2A and 2B (called KAT2A/2B; known also as GCN5/PCAF, respectively)-dependent acetylome and revealed a mechanism by which KAT2A/2B-mediated acetylation of serine/threonine polo-like ...
Marjorie Fournier, László Tora
doaj   +1 more source

The HPV-16 E7 oncoprotein induces centriole multiplication through deregulation of Polo-like kinase 4 expression

open access: yesMolecular Cancer, 2011
Background Infection with high-risk human papillomaviruses (HPVs) such as HPV-16 is intimately associated with squamous cell carcinomas (SCCs) of the anogenital tract and a subset of oropharyngeal carcinomas.
Duensing Stefan   +2 more
doaj   +1 more source

Chromosomal Instability Drives Glioblastoma Heterogeneity and Therapeutic Opportunities

open access: yesAdvanced Science, EarlyView.
ABSTRACT Glioblastoma, the most aggressive and lethal form of brain cancer, is defined by profound genomic instability, with Chromosomal Instability (CIN) playing a central role in driving tumor progression, therapy resistance, and poor prognosis. CIN is characterized by numerical and structural alterations, is driven by mechanisms such as mitotic ...
Amarnath Pal   +3 more
wiley   +1 more source

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