Results 81 to 90 of about 7,531,916 (333)

A short G1 phase is an intrinsic determinant of naïve embryonic stem cell pluripotency.

Stem Cell Research, 2013
A short G1 phase is a characteristic feature of mouse embryonic stem cells (ESCs). To determine if there is a causal relationship between G1 phase restriction and pluripotency, we made use of the Fluorescence Ubiquitination Cell Cycle Indicator (FUCCI ...
Diana Coronado, M. Godet, P. Bourillot, Y. Tapponnier, A. Bernat, M. Petit, M. Afanassieff, S. Markossian, Anna Malashicheva, R. Iacone, K. Anastassiadis, P. Savatier   +11 more
semanticscholar   +1 more source

Assessing G1-to-S-Phase Progression After Genotoxic Stress [PDF]

, 2011
Maintenance of genomic integrity is critical for the survival of organisms. Thus, mammalian cells employ a complex DNA damage response that can sense and repair DNA damage. One important aspect of the cellular DNA damage response is the activation of checkpoints that result in cell cycle arrest.
Michael, DeRan, Mary, Pulvino, Jiyong, Zhao   +2 more
openaire   +2 more sources

Cell‐cycle‐specific lesion evolution rather than inhibition of double‐strand‐break repair underpins cisplatin radiosensitization

Molecular Oncology, EarlyView.
We analyze cisplatin–DNA adducts (CDAs) and double‐strand breaks (DSBs) in a cell‐cycle‐dependent manner. We find that CDAs form similarly across all cell cycle phases. DSBs arise only in S‐phase. CDAs might not directly impair DSB repair, but S‐phase DSB lesions evolve in the presence of CDAs and disrupt repair in G2, also causing radiosensitization ...
Ye Qiu, Xixi Lin, Emil Mladenov, Veronika Mladenova, Jürgen Thomale, Ali Sak, Yao Wang, Yunxuan Deng, Eleni Gkika, Martin Stuschke, George Iliakis   +10 more
wiley   +1 more source

Regional gene repression by DNA double-strand breaks in G1 phase cells [PDF]

, 2019
DNA damage responses (DDR) to double-strand breaks (DSBs) alter cellular transcription programs at the genome-wide level. Through processes that are less well understood, DSBs also alter transcriptional responses locally, which may be important for ...
Collins, Patrick L, Gupta, Harshath, Oltz, Eugene M, Porter, Sofia I, Purman, Caitlin E, Saini, Ankita, Sleckman, Barry P   +6 more
core   +2 more sources

Cell cycle-dependent regulation of the bi-directional overlapping promoter of human BRCA2/ZAR2 genes in breast cancer cells [PDF]

, 2010
Background BRCA2 gene expression is tightly regulated during the cell cycle in human breast cells. The expression of BRCA2 gene is silenced at the G0/G1 phase of cell growth and is de-silenced at the S/G2 phase.
Smita Misra, Shvetank Sharma, Anupriya Agarwal, Sheetal V Khedkar, Manish K Tripathi, Mukul K Mittal, Gautam Chaudhuri   +6 more
core   +1 more source

Longitudinal circulating tumor DNA profiling in patients with advanced endometrial cancer using an off‐the‐shelf targeted NGS panel

Molecular Oncology, EarlyView.
Intratumour heterogeneity complicates precision management of advanced endometrial cancer. Circulating tumor DNA (ctDNA) offers a minimally invasive strategy to capture tumor evolution and therapeutic resistance. Here, we compare tumor‐agnostic NGS with tumor‐informed ddPCR, outlining their relative sensitivity, concordance, and clinical implications ...
Carlos Casas‐Arozamena, Karin Teien Lande, Eva Diaz, Ana Vilar, Juan Cueva, Efigenia Arias, Victoria Sampayo, Alicia Abalo, Nerea González, Eva Colás, Antonio Gil‐Moreno, Miguel Abal, Gema Moreno‐Bueno, Therese Sørlie, Kristina Lindemann, Laura Muinelo‐Romay   +15 more
wiley   +1 more source

Base excision repair of ionizing radiation-induced DNA damage in G1 and G2 cell cycle phases [PDF]

, 2007
Background Major genomic surveillance mechanisms regulated in response to DNA damage exist at the G1/S and G2/M checkpoints. It is presumed that these delays provide time for the repair of damaged DNA. Cells have developed multiple DNA repair pathways to
Chaudhry M Ahmad
core   +2 more sources

Proteasome inhibitor, ixazomib prevents topoisomerase‐I degradation and reverses irinotecan resistance in colorectal cancer

Molecular Oncology, EarlyView.
Ixazomib inhibits proteasome‐mediated degradation of topoisomerase I induced by irinotecan, thereby restoring drug sensitivity and promoting tumor cell death in colorectal cancer. Irinotecan, a topoisomerase I (topoI) inhibitor, is widely used for colorectal cancer, but resistance remains a major clinical challenge.
Yuho Ebata, Koji Ando, Hirofumi Hasuda, Koshi Mimori, Elizabeth C. Unan, Siddhartha Pulukuri, Aahana Tiku, Allison Berger, Eiji Oki, Ajit Bharti, Tomoharu Yoshizumi   +10 more
wiley   +1 more source

CDK Phosphorylation of Translation Initiation Factors Couples Protein Translation with Cell-Cycle Transition

Cell Reports, 2018
Summary: Protein translation in eukaryotes is cell-cycle dependent, with translation rates more robust in G1 phase of the cell cycle than in mitosis. However, whether the fundamental cell-cycle control machinery directly activates protein translation ...
Tai An, Yi Liu, Stéphane Gourguechon, Ching C. Wang, Ziyin Li   +4 more
doaj   +1 more source

Cyclin D/CDK4/6 activity controls G1 length in mammalian cells. [PDF]

PLoS ONE, 2018
The length of the G1 phase in the cell cycle shows significant variability in different cell types and tissue types. To gain insights into the control of G1 length, we generated an E2F activity reporter that captures free E2F activity after dissociation ...
Peng Dong, Carolyn Zhang, Bao-Tran Parker, Lingchong You, Bernard Mathey-Prevot   +4 more
doaj   +1 more source