Results 131 to 140 of about 282,951 (269)

A quantitative model of the initiation of DNA replication in Saccharomyces cerevisiae predicts the effects of system perturbations. [PDF]

open access: yes, 2012
BackgroundEukaryotic cell proliferation involves DNA replication, a tightly regulated process mediated by a multitude of protein factors. In budding yeast, the initiation of replication is facilitated by the heterohexameric origin recognition complex ...
DaSilva, Lance F   +6 more
core   +3 more sources

Development of NAFLD‐Specific Human Liver Organoid Models on a Microengineered Array Chip for Semaglutide Efficacy Evaluation

open access: yesCell Proliferation, EarlyView.
Microporous array organ chips were integrated with commercially available well plates to develop organoid chip platforms, which enable modelling of hepatic physiology and non‐alcoholic fatty liver disease (NAFLD) pathogenesis, as well as evaluation of semaglutide therapeutics. ABSTRACT Progressive non‐alcoholic fatty liver disease (NAFLD) may culminate
Xiao‐yan You   +3 more
wiley   +1 more source

c-Jun promotes neuroblastoma cell differentiation by inhibiting APC formation via CDC16 and reduces neuroblastoma malignancy

open access: yesBiology Direct
Neuroblastoma is a pediatric embryonal malignancy characterized by impaired neuronal differentiation. Differentiation status in neuroblastoma strongly affects the clinical outcome, thus, enforcement of differentiation becomes a treatment strategy for ...
Yunyun Wang   +8 more
doaj   +1 more source

Intertwined Functions of Separase and Caspase in Cell Division and Programmed Cell Death. [PDF]

open access: yes, 2020
Timely sister chromatid separation, promoted by separase, is essential for faithful chromosome segregation. Separase is a member of the CD clan of cysteine proteases, which also includes the pro-apoptotic enzymes known as caspases.
Jeong, Pan Young   +3 more
core   +1 more source

Prime movers : mechanochemistry of mitotic kinesins [PDF]

open access: yes, 2014
Mitotic spindles are self-organizing protein machines that harness teams of multiple force generators to drive chromosome segregation. Kinesins are key members of these force-generating teams.
A Blangy   +184 more
core   +1 more source

Inhibiting the anaphase promoting complex/cyclosome induces a metaphase arrest and cell death in multiple myeloma cells

open access: yesOncoTarget, 2015
The anaphase promoting complex/cyclosome (APC/C) is an ubiquitin ligase involved in cell cycle. During the metaphase-anaphase transition the APC/C is activated by Cdc20.
Susanne Lub   +13 more
semanticscholar   +1 more source

High‐throughput screening identifies a previously undescribed checkpoint controlling mitotic progression in response to DNA damage

open access: yesThe FEBS Journal, EarlyView.
DNA damage can cause mitotic delay to allow DNA repair to occur. However, the mechanism underlying this is unclear. Here, we show that in response to cells entering mitosis with DNA damage, SOD1 restrains PP2a activity via oxidation of cysteine residues at the active site. This leads to a reduction in PP2a activity at the mitotic kinetochore, resulting
Nan Li   +7 more
wiley   +1 more source

Ubiquitination dynamics in human tumour viruses: Viral infection, oncogenesis and antiviral therapy

open access: yesThe FEBS Journal, EarlyView.
The ubiquitin system is essential for cellular homeostasis and regulates many processes. Viruses, including oncogenic ones, exploit or evade this system to survive and replicate. This review explores how human tumour viruses manipulate the ubiquitination system to complete their life cycle, evade immunity and promote cancer.
Oscar Trejo‐Cerro   +2 more
wiley   +1 more source

Structural and functional analysis of the anaphase‐promoting complex

open access: yesThe FASEB Journal, 2009
E3 ubiquitin ligases vary widely in size, composition, and enzymology reflecting their regulatory role in substrate recognition. The conserved E3 required for ubiquitination and degradation of cyclin, securin, and other proteins during mitosis and G1 phase is called the anaphase‐promoting complex or cyclosome (APC/C).
Anna Feoktistova   +6 more
openaire   +2 more sources

Bub3-Bub1 binding to Spc7/KNL1 toggles the spindle checkpoint switch by licensing the interaction of Bub1 with Mad1-Mad2 [PDF]

open access: yes, 2016
The spindle assembly checkpoint (SAC) ensures that sister chromatids do not separate until all chromosomes are attached to spindle microtubules and bi-oriented. Spindle checkpoint proteins, including Mad1, Mad2, Mad3 (BubR1), Bub1, Bub3, and Mph1 (Mps1),
Hervas-Aguilar, Maria-America   +5 more
core   +1 more source

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