Nerea Berastegui, Marina Ainciburu, Juan P Romero, Paula Garcia-Olloqui, Ana Alfonso-Pierola, Céline Philippe, Amaia Vilas-Zornoza, Patxi San Martin-Uriz, Raquel Ruiz-Hernández, Ander Abarrategi, Raquel Ordoñez, Diego Alignani, Sarai Sarvide, Laura Castro-Labrador, José M Lamo-Espinosa, Mikel San-Julian, Tamara Jimenez, Félix López-Cadenas, Sandra Muntion, Fermin Sanchez-Guijo, Antonieta Molero, Maria Julia Montoro, Bárbara Tazón, Guillermo Serrano, Aintzane Diaz-Mazkiaran, Mikel Hernaez, Sofía Huerga, Findlay Bewicke-Copley, Ana Rio-Machin, Matthew T Maurano, María Díez-Campelo, David Valcarcel, Kevin Rouault-Pierre, David Lara-Astiaso, Teresa Ezponda, Felipe Prosper
Myelodysplastic syndromes (MDS) are hematopoietic stem cell (HSC) malignancies characterized by ineffective hematopoiesis, with increased incidence in older individuals. Here we analyze the transcriptome of human HSCs purified from young and older healthy adults, as well as MDS patients, identifying transcriptional alterations following different patterns of expression. While aging-associated lesions seem to predispose HSCs to myeloid transformation, disease-specific alterations may trigger MDS development...
December 9, 2022: Nature Communications