Results 1 to 10 of about 132 (90)

Diverse microtubule-targeted anticancer agents kill cells by inducing chromosome missegregation on multipolar spindles.

open access: goldPLoS Biology, 2023
Microtubule-targeted agents are commonly used for cancer treatment, though many patients do not benefit. Microtubule-targeted drugs were assumed to elicit anticancer activity via mitotic arrest because they cause cell death following mitotic arrest in ...
Amber S Zhou   +8 more
doaj   +4 more sources

The Phosphorylation Status of Drp1-Ser637 by PKA in Mitochondrial Fission Modulates Mitophagy via PINK1/Parkin to Exert Multipolar Spindles Assembly during Mitosis [PDF]

open access: goldBiomolecules, 2021
Mitochondrial fission and fusion cycles are integrated with cell cycle progression. Here we first re-visited how mitochondrial ETC inhibition disturbed mitosis progression, resulting in multipolar spindles formation in HeLa cells.
Huey-Jiun Ko   +10 more
doaj   +2 more sources

Multipolar spindle pole coalescence is a major source of kinetochore mis-attachment and chromosome mis-segregation in cancer cells. [PDF]

open access: goldPLoS ONE, 2009
Many cancer cells display a CIN (Chromosome Instability) phenotype, by which they exhibit high rates of chromosome loss or gain at each cell cycle. Over the years, a number of different mechanisms, including mitotic spindle multipolarity, cytokinesis ...
William T Silkworth   +3 more
doaj   +3 more sources

Appropriate Mechanical Confinement Inhibits Multipolar Cell Division via Pole-Cortex Interaction

open access: yesPhysical Review X, 2023
Multipolar spindles are very rare in normal tissues, but they are much more prevalent in many tumors, which might be induced by the mechanical confinements from overcrowding microenvironments in tumors.
Longcan Cheng   +3 more
doaj   +1 more source

Effect of change in spindle structure on proliferation inhibition of osteosarcoma cells and osteoblast under simulated microgravity during incubation in rotating bioreactor. [PDF]

open access: yesPLoS ONE, 2013
In order to study the effect of microgravity on the proliferation of mammalian osteosarcoma cells and osteoblasts, the changes in cell proliferation, spindle structure, expression of MAD2 or BUB1, and effect of MAD2 or BUB1 on the inhibition of cell ...
Lijun Wei   +6 more
doaj   +1 more source

ZYG-9ch-TOG promotes the stability of acentrosomal poles via regulation of spindle microtubules in C. elegans oocyte meiosis.

open access: yesPLoS Genetics, 2022
During mitosis, centrosomes serve as microtubule organizing centers that guide the formation of a bipolar spindle. However, oocytes of many species lack centrosomes; how meiotic spindles establish and maintain these acentrosomal poles remains poorly ...
Gabriel Cavin-Meza   +6 more
doaj   +1 more source

Parental genomes segregate into distinct blastomeres during multipolar zygotic divisions leading to mixoploid and chimeric blastocysts

open access: yesGenome Biology, 2022
Background During normal zygotic division, two haploid parental genomes replicate, unite and segregate into two biparental diploid blastomeres. Results Contrary to this fundamental biological tenet, we demonstrate here that parental genomes can segregate
Tine De Coster   +13 more
doaj   +1 more source

A selective LIS1 requirement for mitotic spindle assembly discriminates distinct T-cell division mechanisms within the T-cell lineage

open access: yeseLife, 2022
The ability to proliferate is a common feature of most T-cell populations. However, proliferation follows different cell-cycle dynamics and is coupled to different functional outcomes according to T-cell subsets.
Jérémy Argenty   +7 more
doaj   +1 more source

Ewing sarcoma protein ewsr1 maintains mitotic integrity and proneural cell survival in the zebrafish embryo. [PDF]

open access: yesPLoS ONE, 2007
BACKGROUND:The Ewing sarcoma breakpoint region 1 gene (EWSR1), also known as EWS, is fused to a number of different partner genes as a result of chromosomal translocation in diverse sarcomas.
Mizuki Azuma   +3 more
doaj   +1 more source

Characterization of a recently synthesized microtubule-targeting compound that disrupts mitotic spindle poles in human cells

open access: yesScientific Reports, 2021
We reveal the effects of a new microtubule-destabilizing compound in human cells. C75 has a core thienoisoquinoline scaffold with several functional groups amenable to modification.
Dilan Boodhai Jaunky   +5 more
doaj   +1 more source

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