Results 71 to 80 of about 4,116 (226)

Sperm‐Derived CircRNA‐1572 Regulates Embryogenesis and Zygotic Genome Activation by Targeting CCNB2 via Bta‐miR‐2478‐L‐2

open access: yesAdvanced Science, EarlyView.
Sperm‐derived circRNA‐1572 competitively binds to bta‐miR‐2478‐L‐2 through a “sponge” mechanism to regulate cyclin B2 (CCNB2) expression, thereby modulating the distribution of fibrous actin (F‐actin) in early pig embryos, ensuring proper chromosome segregation during mitosis, and facilitating normal embryo cleavage and zygotic genome activation.
Yanfang Wu   +10 more
wiley   +1 more source

CHMP4C: A novel regulator of the mitotic spindle checkpoint

open access: yesMolecular & Cellular Oncology, 2018
The mitotic spindle checkpoint delays anaphase onset until all chromosomes have achieved stable kinetochore-microtubule attachments. Here, we discuss recent findings showing that CHMP4C, a component of the endosomal sorting complex required for transport
Eleni Petsalaki, George Zachos
doaj   +1 more source

Spindle configurations of skew lines [PDF]

open access: yesGeom. Topol. 11 (2007) 1049-1081, 2002
We prove a conjecture of Crapo and Penne which characterizes isotopy classes of skew configurations with spindle-structure. We use this result in order to define an invariant, spindle-genus, for spindle-configurations. We also slightly simplify the exposition of some known invariants for configurations of skew lines and use them to define a natural ...
arxiv   +1 more source

Reverse Engineering of the Spindle Assembly Checkpoint

open access: yesPLoS ONE, 2009
The Spindle Assembly Checkpoint (SAC) is an intracellular mechanism that ensures proper chromosome segregation. By inhibiting Cdc20, a co-factor of the Anaphase Promoting Complex (APC), the checkpoint arrests the cell cycle until all chromosomes are properly attached to the mitotic spindle.
Shmuel Einav   +4 more
openaire   +5 more sources

Mitofusin 1 Drives Preimplantation Development by Enhancing Chromatin Incorporation of Histone H3.3

open access: yesAdvanced Science, EarlyView.
MFN1 exerts its function partially through histone H3.3 in early embryos. MFN1 colocalizes with PADI6, and its deficiency results in compromised cytoplasmic lattices and ribosomal subunits, leading to declined H3.3 protein level. This, in turn, hinders the incorporation of H3.3 into the embryonic genome, thereby causing failure of male pronucleus ...
Xiao‐yan Shi   +9 more
wiley   +1 more source

A sequential multi-target Mps1 phosphorylation cascade promotes spindle checkpoint signaling

open access: yeseLife, 2017
The master spindle checkpoint kinase Mps1 senses kinetochore-microtubule attachment and promotes checkpoint signaling to ensure accurate chromosome segregation.
Zhejian Ji   +4 more
doaj   +1 more source

On-off intermittency of thalamo-cortical oscillations in the electroencephalogram of rats with genetic predisposition to absence epilepsy [PDF]

open access: yesBrain research. 1436 (2012) 147-156, 2013
Spike-wave discharges (SWD) are electroencephalographic hallmarks of absence epilepsy. SWD are known to originate from thalamo-cortical neuronal network that normally produce sleep spindle oscillations. Although both sleep spindles and SWD are considered as thalamo-cortical oscillations, functional relationship between them is still uncertain.
arxiv   +1 more source

No stretch for spindle assembly checkpoint [PDF]

open access: yesThe Journal of Cell Biology, 2008
![][1] Kinetochores (red) attach to the spindle (green), whereas chromatin (blue) is largely excluded. Dividing cells aren't quite as obsessed with quality control as previously thought, according to results from [O'Connell and colleagues][2].
openaire   +2 more sources

High Sugar Induced RCC2 Lactylation Drives Breast Cancer Tumorigenicity Through Upregulating MAD2L1

open access: yesAdvanced Science, EarlyView.
This study finds that KAT2A mediates the lactylation modification of the non‐histone protein RCC2 at K124, facilitating the recruitment of free SERBP1 and aiding in the formation of the initial SERBP1‐MAD2L1 complex. SERBP1 enhances the stability of MAD2L1 mRNA and promotes cellular proliferation.
Bowen Zheng   +11 more
wiley   +1 more source

Complex Commingling: Nucleoporins and the Spindle Assembly Checkpoint

open access: yesCells, 2015
The segregation of the chromosomes during mitosis is an important process, in which the replicated DNA content is properly allocated into two daughter cells.
Ikram Mossaid, Birthe Fahrenkrog
doaj   +1 more source

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