Spatial metabolomics principles and application to cancer research

M Planque, S Igelmann, AMF Campos… - Current Opinion in …, 2023 - Elsevier
Mass spectrometry imaging (MSI) is an emerging technology in cancer metabolomics.
Desorption electrospray ionization (DESI) and matrix-assisted laser desorption ionization (MALDI) …

[HTML][HTML] STAT3 and STAT5 activation in solid cancers

S Igelmann, HA Neubauer, G Ferbeyre - Cancers, 2019 - mdpi.com
The Signal Transducer and Activator of Transcription (STAT)3 and 5 proteins are activated
by many cytokine receptors to regulate specific gene expression and mitochondrial functions. …

Metformin inhibits the senescence‐associated secretory phenotype by interfering with IKK/NF‐κ B activation

…, X Deschênes‐Simard, E St‐Germain, S Igelmann… - Aging cell, 2013 - Wiley Online Library
We show that the antidiabetic drug metformin inhibits the expression of genes coding for
multiple inflammatory cytokines seen during cellular senescence. Conditioned medium ( CM ) …

Tumor suppressor activity of the ERK/MAPK pathway by promoting selective protein degradation

…, O Moiseeva, V Forest, S Igelmann… - Genes & …, 2013 - genesdev.cshlp.org
Constitutive activation of growth factor signaling pathways paradoxically triggers a cell cycle
arrest known as cellular senescence. In primary cells expressing oncogenic ras, this …

Senescence-associated ribosome biogenesis defects contributes to cell cycle arrest through the Rb pathway

F Lessard, S Igelmann, C Trahan, G Huot… - Nature cell …, 2018 - nature.com
… P value as indicated, two-sided Student’s t-test. g,h, Fluorescence in situ hybridization (FISH)
with an antisense or sense probe overlapping the 5.8S (5′) rRNA processing site 2 as …

[PDF][PDF] A hydride transfer complex reprograms NAD metabolism and bypasses senescence

S Igelmann, F Lessard, O Uchenunu, J Bouchard… - Molecular Cell, 2021 - cell.com
Igelmann et al. identified a hydride transfer complex (HTC) that drives metabolic … Two-tailed
Student’st test (A) or ANOVA (B and D–F) with Šıdá k’s multiple comparisons test …

Senescence gives insights into the morphogenetic evolution of anamniotes

…, FS Hashemi, S Igelmann, G Ferbeyre, S Roy - Biology …, 2017 - journals.biologists.com
… quantification with 50 cycles of 95C 20 s, 58C 20 s, 72C 30 s, melting curve (95C for 60 s,
40C for 5 s, 65C for 1 s up to 98C by ramping at 0.07C/s). Analysis was done using LightCycler …

Circumventing senescence is associated with stem cell properties and metformin sensitivity

…, M Parisotto, MC Rowell, B Le Calvé, S Igelmann… - Aging …, 2019 - Wiley Online Library
Most cancers arise in old individuals, which also accumulate senescent cells. Cellular
senescence can be experimentally induced by expression of oncogenes or telomere shortening …

[HTML][HTML] Liquid–liquid phase separation in cancer signaling, metabolism and anticancer therapy

S Igelmann, F Lessard, G Ferbeyre - Cancers, 2022 - mdpi.com
… Mutation in the YEATS domain of ENL (Eleven-Nineteen Leukemia) in Wilm’s tumors
enhances the ability of this protein to seed biomolecular condensates at the loci with acetylated …

Targeting ribosome biogenesis reinforces ERK-dependent senescence in pancreatic cancer

…, J Guillon, F Lessard, V Bourdeau, S Igelmann… - Cell Cycle, 2023 - Taylor & Francis
Pancreatic adenocarcinomas (PDAC) often possess mutations in K-Ras that stimulate the
ERK pathway. Aberrantly high ERK activation triggers oncogene-induced senescence, which …