Emerging insights into serine/threonine-specific phosphoprotein phosphatase function and selectivity

T Kokot, M Köhn - Journal of Cell Science, 2022 - journals.biologists.com
Protein phosphorylation on serine and threonine residues is a widely distributed post-
translational modification on proteins that acts to regulate their function. Phosphoprotein …

Mitotic tethering enables inheritance of shattered micronuclear chromosomes

P Trivedi, CD Steele, FKC Au, LB Alexandrov… - Nature, 2023 - nature.com
Chromothripsis, the shattering and imperfect reassembly of one (or a few) chromosome (s),
is an ubiquitous mutational process generating localized and complex chromosomal …

The CIP2A–TOPBP1 axis safeguards chromosome stability and is a synthetic lethal target for BRCA-mutated cancer

S Adam, SE Rossi, N Moatti, M De Marco Zompit… - Nature cancer, 2021 - nature.com
Abstract BRCA1/2-mutated cancer cells adapt to the genome instability caused by their
deficiency in homologous recombination (HR). Identification of these adaptive mechanisms …

Mitotic clustering of pulverized chromosomes from micronuclei

YF Lin, Q Hu, A Mazzagatti, JE Valle-Inclán… - Nature, 2023 - nature.com
Complex genome rearrangements can be generated by the catastrophic pulverization of
missegregated chromosomes trapped within micronuclei through a process known as …

USP13: multiple functions and target inhibition

X Li, G Yang, W Zhang, B Qin, Z Ye, H Shi… - Frontiers in Cell and …, 2022 - frontiersin.org
As a deubiquitination (DUB) enzyme, ubiquitin-specific protease 13 (USP13) is involved in a
myriad of cellular processes, such as mitochondrial energy metabolism, autophagy, DNA …

Structural mechanism for inhibition of PP2A-B56α and oncogenicity by CIP2A

K Pavic, N Gupta, JD Omella, R Derua, A Aakula… - Nature …, 2023 - nature.com
The protein phosphatase 2A (PP2A) heterotrimer PP2A-B56α is a human tumour
suppressor. However, the molecular mechanisms inhibiting PP2A-B56α in cancer are poorly …

A small-molecule inhibitor of TopBP1 exerts anti-MYC activity and synergy with PARP inhibitors

FT Lin, K Liu, LAW Garan… - Proceedings of the …, 2023 - National Acad Sciences
We have previously identified TopBP1 (topoisomerase IIβ-binding protein 1) as a promising
target for cancer therapy, given its role in the convergence of Rb, PI (3) K/Akt, and p53 …

The CIP2A-TOPBP1 complex safeguards chromosomal stability during mitosis

M De Marco Zompit, MT Esteban, C Mooser… - Nature …, 2022 - nature.com
The accurate repair of DNA double-strand breaks (DSBs), highly toxic DNA lesions, is
crucial for genome integrity and is tightly regulated during the cell cycle. In mitosis, cells …

Oocytes can repair DNA damage during meiosis via a microtubule-dependent recruitment of CIP2A–MDC1–TOPBP1 complex from spindle pole to chromosomes

J Leem, JS Kim, JS Oh - Nucleic Acids Research, 2023 - academic.oup.com
Because DNA double-strand breaks (DSBs) greatly threaten genomic integrity, effective
DNA damage sensing and repair are essential for cellular survival in all organisms …

CIP2A induces PKM2 tetramer formation and oxidative phosphorylation in non-small cell lung cancer

LJ Liang, FY Yang, D Wang, YF Zhang, H Yu, Z Wang… - Cell Discovery, 2024 - nature.com
Tumor cells are usually considered defective in mitochondrial respiration, but human non-
small cell lung cancer (NSCLC) tumor tissues are shown to have enhanced glucose …