Results 61 to 70 of about 812,761 (308)

Modeling potent pathways for APC/C inhibition: pivotal roles for MCC and BubR1 [PDF]

open access: yesOMICS: A Journal of Integrative Biology. May 2015, 19(5): 294-305, 2016
The highly conserved spindle assembly checkpoint (SAC) ensures that the sister chromatids of the duplicated genome are not separated and distributed to the spindle poles before all chromosomes have been properly linked to the microtubules of the mitotic spindle.
arxiv   +1 more source

Development of cell-cycle checkpoint therapy for solid tumors.

open access: yesJapanese Journal of Clinical Oncology, 2015
Cellular proliferation is tightly controlled by several cell-cycle checkpoint proteins. In cancer, the genes encoding these proteins are often disrupted and cause unrestrained cancer growth.
K. Tamura
semanticscholar   +1 more source

Genetic load makes cancer cells more sensitive to common drugs: evidence from Cancer Cell Line Encyclopedia [PDF]

open access: yesScientific Reports (7:1938). Springer Nature. May 16 2017, 2017
Genetic alterations initiate tumors and enable the evolution of drug resistance. The pro-cancer view of mutations is however incomplete, and several studies show that mutational load can reduce tumor fitness. Given its negative effect, genetic load should make tumors more sensitive to anticancer drugs.
arxiv   +1 more source

Insights into PI3K/AKT signaling in B cell development and chronic lymphocytic leukemia

open access: yesFEBS Letters, EarlyView.
This Review explores how the phosphoinositide 3‐kinase and protein kinase B pathway shapes B cell development and drives chronic lymphocytic leukemia, a common blood cancer. It examines how signaling levels affect disease progression, addresses treatment challenges, and introduces novel experimental strategies to improve therapies and patient outcomes.
Maike Buchner
wiley   +1 more source

Dynamics of the Cell Cycle: Checkpoints, Sizers, and Timers [PDF]

open access: yesBiophysical Journal, 2003
We have developed a generic mathematical model of a cell cycle signaling network in higher eukaryotes that can be used to simulate both the G1/S and G2/M transitions. In our model, the positive feedback facilitated by CDC25 and wee1 causes bistability in cyclin-dependent kinase activity, whereas the negative feedback facilitated by SKP2 or anaphase ...
W. Robb MacLellan   +2 more
openaire   +3 more sources

Structural and mechanistic basis for the regulation of the chloroplast signal recognition particle by (p)ppGpp

open access: yesFEBS Letters, EarlyView.
LHCPs are transported to the thylakoid membrane via the (cp)SRP pathway. This process involves a transit complex of (cp)SRP43, (cp)SRP54 and LHCP, which interacts with (cp)FtsY and Alb3 at the membrane. GTP hydrolysis by (cp)SRP54 and (cp)FtsY triggers complex dissociation.
Victor Zegarra   +7 more
wiley   +1 more source

Ndd1 turnover by SCF(Grr1) is inhibited by the DNA damage checkpoint in Saccharomyces cerevisiae. [PDF]

open access: yesPLoS Genetics, 2015
In Saccharomyces cerevisiae, Ndd1 is the dedicated transcriptional activator of the mitotic gene cluster, which includes thirty-three genes that encode key mitotic regulators, making Ndd1 a hub for the control of mitosis.
Ellen R Edenberg   +2 more
doaj   +1 more source

Cell-Cycle Checkpoints: Keeping mitosis in check [PDF]

open access: yesCurrent Biology, 1995
Mutations in an essential yeast gene, encoding DNA polymerase epsilon, abolish the dependence of mitosis on the completion of DNA replication, suggesting that the replication complex provides the checkpoint signal.
Tamar Enoch, Timothy Humphrey
openaire   +3 more sources

Modelling the onset of senescence at the G1/S cell cycle checkpoint

open access: yesBMC Genomics, 2014
DNA damage (single or double-strand breaks) triggers adapted cellular responses. These responses are elicited through signalling pathways, which activate cell cycle checkpoints and basically lead to three cellular fates: cycle arrest promoting DNA repair,
J. C. Mombach, C. Bugs, C. Chaouiya
semanticscholar   +1 more source

Social context prevents heat hormetic effects against mutagens during fish development

open access: yesFEBS Letters, EarlyView.
This study shows that sublethal heat stress protects fish embryos against ultraviolet radiation, a concept known as ‘hormesis’. However, chemical stress transmission between fish embryos negates this protective effect. By providing evidence for the mechanistic molecular basis of heat stress hormesis and interindividual stress communication, this study ...
Lauric Feugere   +5 more
wiley   +1 more source

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