The effect of exposure to nanoparticles and nanomaterials on the mammalian epigenome

MI Sierra, A Valdés, AF Fernández… - International journal …, 2016 - Taylor & Francis
Human exposure to nanomaterials and nanoparticles is increasing rapidly, but their effects
on human health are still largely unknown. Epigenetic modifications are attracting ever more …

Evolutionary routes and KRAS dosage define pancreatic cancer phenotypes

…, F Constantino-Casas, J De La Rosa, MI Sierra… - Nature, 2018 - nature.com
The poor correlation of mutational landscapes with phenotypes limits our understanding of
the pathogenesis and metastasis of pancreatic ductal adenocarcinoma (PDAC). Here we …

Medial HOXA genes demarcate haematopoietic stem cell fate during human development

DR Dou, V Calvanese, MI Sierra, AT Nguyen… - Nature cell …, 2016 - nature.com
Pluripotent stem cells (PSCs) may provide a potential source of haematopoietic stem/progenitor
cells (HSPCs) for transplantation; however, unknown molecular barriers prevent the self-…

[HTML][HTML] The deubiquitinating enzyme USP8 promotes trafficking and degradation of the chemokine receptor 4 at the sorting endosome

I Berlin, KM Higginbotham, RS Dise, MI Sierra… - Journal of Biological …, 2010 - ASBMB
Reversible ubiquitination orchestrated by the opposition of ubiquitin ligases and
deubiquitinating enzymes mediates endocytic trafficking of cell surface receptors for lysosomal …

Global hyperactivation of enhancers stabilizes human and mouse naive pluripotency through inhibition of CDK8/19 Mediator kinases

…, C Stephan-Otto Attolini, AF Fernandez, MI Sierra… - Nature Cell …, 2020 - nature.com
Pluripotent stem cells (PSCs) transition between cell states in vitro, reflecting developmental
changes in the early embryo. PSCs can be stabilized in the naive state by blocking …

[HTML][HTML] AMSH interacts with ESCRT-0 to regulate the stability and trafficking of CXCR4

MI Sierra, MH Wright, PD Nash - Journal of biological chemistry, 2010 - ASBMB
Reversible ubiquitination is essential for the endocytic sorting and down-regulation of G
protein-coupled receptors, such as the chemokine receptor CXCR4. The deubiquitinating …

Determination of thiamine and its phosphorylated forms in human plasma, erythrocytes and urine by HPLC and fluorescence detection: a preliminary study on cancer …

R Losa, MI Sierra, A Fernández, D Blanco… - … of pharmaceutical and …, 2005 - Elsevier
In man, neurotoxicity associated to ifosfamide treatment can be reversed by intravenous
thiamine administration. Trying to explain this clinical finding, we decided to study possible …

DNA methylation changes in human lung epithelia cells exposed to multi-walled carbon nanotubes

MI Sierra, L Rubio, GF Bayón, I Cobo… - …, 2017 - Taylor & Francis
Humans are increasingly exposed to nanoparticles and, although many of their physiological
effects have been described, the molecular mechanisms underlying them are still largely …

[HTML][HTML] Parkinson disease among patients treated for benign prostatic hyperplasia with α1 adrenergic receptor antagonists

R Sasane, A Bartels, M Field, MI Sierra… - The Journal of …, 2021 - Am Soc Clin Investig
BACKGROUND Recently the α 1 adrenergic receptor antagonist terazosin was shown to
activate PGK1, a possible target for the mitochondrial deficits in Parkinson disease related to its …

[HTML][HTML] Epigenetic dysregulation of TET2 in human glioblastoma

…, GF Bayón, V Lopez, JR Tejedor, MI Sierra… - Oncotarget, 2018 - ncbi.nlm.nih.gov
Ten-eleven translocation (TET) enzymes are frequently deregulated in cancer, but the
underlying molecular mechanisms are still poorly understood. Here we report that TET2 shows …