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Title: The role of PIM1/PIM2 kinases in tumors of the male reproductive system.
Authors: Jiménez-García, Manuel Pedro
Lucena-Cacace, Antonio
Robles-Frías, María José
Narlik-Grassow, Maja
Blanco-Aparicio, Carmen
Carnero, Amancio
metadata.dc.subject.mesh: Animals
Biomarkers, Tumor
Mice, Transgenic
Prostatic Neoplasms
Protein Serine-Threonine Kinases
Proto-Oncogene Proteins
Proto-Oncogene Proteins c-pim-1
Issue Date: 30-Nov-2016
Abstract: The PIM family of serine/threonine kinases has three highly conserved isoforms (PIM1, PIM2 and PIM3). PIM proteins are regulated through transcription and stability by JAK/STAT pathways and are overexpressed in hematological malignancies and solid tumors. The PIM kinases possess weak oncogenic abilities, but enhance other genes or chemical carcinogens to induce tumors. We generated conditional transgenic mice that overexpress PIM1 or PIM2 in male reproductive organs and analyzed their contribution to tumorigenesis. We found an increase in alterations of sexual organs and hyperplasia in the transgenic mice correlating with inflammation. We also found that PIM1/2 are overexpressed in a subset of human male germ cells and prostate tumors correlating with inflammatory features and stem cell markers. Our data suggest that PIM1/2 kinase overexpression is a common feature of male reproductive organs tumors, which provoke tissue alterations and a large inflammatory response that may act synergistically during the process of tumorigenesis. There is also a correlation with markers of cancer stem cells, which may contribute to the therapy resistance found in tumors overexpressing PIM kinases.
metadata.dc.identifier.doi: 10.1038/srep38079
Appears in Collections:Producción 2020

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