Results 101 to 110 of about 7,148,227 (413)

β‐TrCP overexpression enhances cisplatin sensitivity by depleting BRCA1

Molecular Oncology, EarlyView.
Low levels of β‐TrCP (Panel A) allow the accumulation of BRCA1 and CtIP, which facilitate the repair of cisplatin‐induced DNA damage via homologous recombination (HR) and promote tumor cell survival. In contrast, high β‐TrCP expression (Panel B) leads to BRCA1 and CtIP degradation, impairing HR repair, resulting in persistent DNA damage and apoptosis ...
Rocío Jiménez‐Guerrero, Alejandro Belmonte‐Fernández, Mónica González‐Moreno, Laura Rodríguez‐Cordero, Begoña Pérez‐Valderrama, Joaquín Herrero‐Ruíz, Francisco Romero, Carmen Sáez, Miguel Á. Japón   +8 more
wiley   +1 more source

Mapping the substrate landscape of protein phosphatase 2A catalytic subunit PPP2CA

iScience
Summary: Protein phosphatase 2A (PP2A) is an essential Ser/Thr phosphatase. The PP2A holoenzyme complex comprises a scaffolding (A), regulatory (B), and catalytic (C) subunit, with PPP2CA being the principal catalytic subunit.
Abigail Brewer, Gajanan Sathe, Billie E. Pflug, Rosemary G. Clarke, Thomas J. Macartney, Gopal P. Sapkota   +5 more
doaj   +1 more source

Phosphoproteomics identifies a bimodal EPHA2 receptor switch that promotes embryonic stem cell differentiation

Nature Communications, 2020
Fgf4 is a critical signal driving embryonic stem cell (ESC) exit from pluripotency and differentiation. Here the authors identify EPHA2 as a target of FGF4 signalling in ESCs, and show that EPHA2-EFNA1 signalling promotes pluripotent gene expression and ...
Rosalia Fernandez-Alonso, Francisco Bustos, Manon Budzyk, Pankaj Kumar, Andreas O. Helbig, Jens Hukelmann, Angus I. Lamond, Fredrik Lanner, Houjiang Zhou, Evangelia Petsalaki, Greg M. Findlay   +10 more
doaj   +1 more source

Androgen receptor phosphorylation status at serine 578 predicts poor outcome in prostate cancer patients [PDF]

, 2016
Purpose: Prostate cancer growth is dependent upon androgen receptor (AR) activation, regulated via phosphorylation. Protein kinase C (PKC) is one kinase that can mediate AR phosphorylation. This study aimed to establish if AR phosphorylation by PKC is of
Edwards, J., Heng, J.S., Horgan, P.G., Leung, H.Y., Patek, S.C., Taylor, B., Underwood, M.A., Willder, J.M.   +7 more
core   +1 more source

Nicotinamide N‐methyltransferase promotes drug resistance in lung cancer, as revealed by nascent proteomic profiling

Molecular Oncology, EarlyView.
AZD9291 has shown promise in targeted cancer therapy but is limited by resistance. In this study, we employed metabolic labeling and LC–MS/MS to profile time‐resolved nascent protein perturbations, allowing dynamic tracking of drug‐responsive proteins. We demonstrated that increased NNMT expression is associated with drug resistance, highlighting NNMT ...
Zhanwu Hou, Zhen Wang, Fei Yang, Xiao Han, Lei Li, Huadong Liu   +5 more
wiley   +1 more source

In Vitro Reconstitution Defines the Minimal Requirements for Cdc48-Dependent Disassembly of the CMG Helicase in Budding Yeast

Cell Reports, 2019
Summary: Disassembly of the replisome is the final step of chromosome duplication in eukaryotes. In budding yeast and metazoa, cullin ubiquitin ligases are required to ubiquitylate the Cdc45-MCM-GINS (CMG) helicase that lies at the heart of the replisome,
Progya P. Mukherjee, Karim P.M. Labib
doaj   +1 more source

Plasmodium falciparum infection induces dynamic changes in the erythrocyte phospho-proteome [PDF]

, 2016
The phosphorylation status of red blood cell proteins is strongly altered during the infection by the malaria parasite Plasmodium falciparum. We identify the key phosphorylation events that occur in the erythrocyte membrane and cytoskeleton during ...
Bouyer, Guillaume, D. Phillips, Lee, Egee, Stephane, Langsley, Gordon, Lasonder, Edwin, Ramdani, Ghania, Reininger, Luc, Sharma, Vikram   +7 more
core   +4 more sources

Turnover of protein phosphorylation evolving under stabilizing selection

Frontiers in Genetics, 2014
Most proteins are regulated by posttranslational modifications and changes in these modifications contribute to evolutionary changes as well as to human diseases.
C. Landry, L. Freschi, Taraneh Zarin, Alan M. Moses   +3 more
semanticscholar   +1 more source

YAP1::TFE3 mediates endothelial‐to‐mesenchymal plasticity in epithelioid hemangioendothelioma

Molecular Oncology, EarlyView.
The YAP1::TFE3 fusion protein drives endothelial‐to‐mesenchymal transition (EndMT) plasticity, resulting in the loss of endothelial characteristics and gain of mesenchymal‐like properties, including resistance to anoikis, increased migratory capacity, and loss of contact growth inhibition in endothelial cells.
Ant Murphy, Samuel Hartzler, Paula A. Vargas Carranza, Shyaman Jayasundara, Madison E. Yates, Nimod D. Janson, Bozhi Liu, Annaleigh Benton, Majid Kazemian, Jason A. Hanna   +9 more
wiley   +1 more source

Regulation of NF-κB by PML and PML-RARα [PDF]

, 2017
Promyelocytic Leukemia (PML) is a nuclear protein that forms sub-nuclear structures termed nuclear bodies associated with transcriptionally active genomic regions. PML is a tumour suppressor and regulator of cell differentiation.
Ahmed, Abrar, Carmody, Ruaidhri J., Chen, Youhai H., Keeshan, Karen, Lindsay, Andrew J., McCaffrey, Mary W., Mitxitorena, Izaskun, Pandolfi, Pier Paolo, Wan, Xiaochun   +8 more
core   +1 more source