Search Results - "Palmer, Héctor G."
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Interrogating open issues in cancer precision medicine with patient-derived xenografts
Published in Nature reviews. Cancer (01-04-2017)“…This Opinion article discusses progress and challenges in using patient-derived xenograft (PDX) models in cancer precision medicine. It is primarily…”
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A Personalized Preclinical Model to Evaluate the Metastatic Potential of Patient-Derived Colon Cancer Initiating Cells
Published in Clinical cancer research (15-12-2013)“…Within the aim of advancing precision oncology, we have generated a collection of patient-derived xenografts (PDX) characterized at the molecular level, and a…”
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DPPA3-HIF1α axis controls colorectal cancer chemoresistance by imposing a slow cell-cycle phenotype
Published in Cell reports (Cambridge) (29-08-2023)“…Tumor relapse is linked to rapid chemoresistance and represents a bottleneck for cancer therapy success. Engagement of a reduced proliferation state is a…”
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Small Molecule Inhibition of ERK Dimerization Prevents Tumorigenesis by RAS-ERK Pathway Oncogenes
Published in Cancer cell (10-08-2015)“…Nearly 50% of human malignancies exhibit unregulated RAS-ERK signaling; inhibiting it is a valid strategy for antineoplastic intervention. Upon activation, ERK…”
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Tankyrase Inhibition Blocks Wnt/β-Catenin Pathway and Reverts Resistance to PI3K and AKT Inhibitors in the Treatment of Colorectal Cancer
Published in Clinical cancer research (01-02-2016)“…Oncogenic mutations in the KRAS/PI3K/AKT pathway are one of the most frequent alterations in cancer. Although PI3K or AKT inhibitors show promising results in…”
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Advanced Colorectal Cancer Orthotopic Patient-Derived Xenograft Models for Cancer and Stem Cell Research
Published in Methods in molecular biology (Clifton, N.J.) (2020)“…In the recent years has being a great expansion of new preclinical models of colorectal cancer (CRC) based on patient-derived cells, from ex vivo 2D cell…”
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TET2 controls chemoresistant slow-cycling cancer cell survival and tumor recurrence
Published in The Journal of clinical investigation (01-09-2018)“…Dormant or slow-cycling tumor cells can form a residual chemoresistant reservoir responsible for relapse in patients, years after curative surgery and adjuvant…”
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Colorectal Cancer Consensus Molecular Subtypes Translated to Preclinical Models Uncover Potentially Targetable Cancer Cell Dependencies
Published in Clinical cancer research (15-02-2018)“…Response to standard oncologic treatment is limited in colorectal cancer. The gene expression-based consensus molecular subtypes (CMS) provide a new paradigm…”
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Pharmacological disruption of the Notch transcription factor complex
Published in Proceedings of the National Academy of Sciences - PNAS (14-07-2020)“…Notch pathway signaling is implicated in several human cancers. Aberrant activation and mutations of Notch signaling components are linked to tumor initiation,…”
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β-catenin confers resistance to PI3K and AKT inhibitors and subverts FOXO3a to promote metastasis in colon cancer
Published in Nature medicine (01-06-2012)“…The crosstalk between the transcriptional activity of β-catenin and FOXO3a reveals unexpected pro-metastatic cooperative effects of these pathways through…”
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Widespread Repression of Gene Expression in Cancer by a Wnt/β-Catenin/MAPK Pathway
Published in Cancer research (Chicago, Ill.) (15-01-2021)“…Aberrant Wnt signaling drives a number of cancers through regulation of diverse downstream pathways. Wnt/β-catenin signaling achieves this in part by…”
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Patient-Derived Organoids from Multiple Colorectal Cancer Liver Metastases Reveal Moderate Intra-patient Pharmacotranscriptomic Heterogeneity
Published in Clinical cancer research (01-08-2020)“…Molecular tumor heterogeneity may have important implications for the efficacy of targeted therapies in metastatic cancers. Inter-metastatic heterogeneity of…”
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Precision Oncology and Systemic Targeted Therapy in Pseudomyxoma Peritonei
Published in Clinical cancer research (13-09-2024)“…Pseudomyxoma peritonei (PMP) is a rare and poorly understood malignant condition characterized by the accumulation of intra-abdominal mucin produced from…”
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Vitamin D receptor deficiency enhances Wnt/β-catenin signaling and tumor burden in colon cancer
Published in PloS one (2011)“…Aberrant activation of the Wnt/β-catenin pathway is critical for the initiation and progression of most colon cancers. This activation provokes the…”
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CD34− Cells at the Apex of the Human Hematopoietic Stem Cell Hierarchy Have Distinctive Cellular and Molecular Signatures
Published in Cell stem cell (01-08-2013)“…In addition to well-characterized CD34+ hematopoietic stem and progenitor cells (HSPCs), the human hematopoietic stem cell (HSC) hierarchy contains a rare…”
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Epigenetic EGFR Gene Repression Confers Sensitivity to Therapeutic BRAFV600E Blockade in Colon Neuroendocrine Carcinomas
Published in Clinical cancer research (15-02-2020)“…The limited knowledge of the molecular alterations that characterize poorly differentiated neuroendocrine carcinomas has limited the clinical development of…”
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The vitamin D receptor is a Wnt effector that controls hair follicle differentiation and specifies tumor type in adult epidermis
Published in PloS one (23-01-2008)“…We have investigated how Wnt and vitamin D receptor signals regulate epidermal differentiation. Many epidermal genes induced by beta-catenin, including the…”
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Orthotopic Implantation of Patient-Derived Cancer Cells in Mice Recapitulates Advanced Colorectal Cancer
Published in Journal of visualized experiments (10-02-2023)“…Over the last decade, more sophisticated preclinical colorectal cancer (CRC) models have been established using patient-derived cancer cells and 3D tumoroids…”
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Solid pseudopapillary neoplasms of the pancreas are dependent on the Wnt pathway
Published in Molecular oncology (01-08-2019)“…Solid pseudopapillary neoplasms (SPNs) are rare and relatively indolent tumors of the pancreas. While primary SPNs can be surgically resected, there are…”
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RhoA-ROCK and p38MAPK-MSK1 mediate vitamin D effects on gene expression, phenotype, and Wnt pathway in colon cancer cells
Published in The Journal of cell biology (17-11-2008)“…The active vitamin D metabolite 1,25-dihydroxyvitamin D₃ (1,25(OH)₂D₃) inhibits proliferation and promotes differentiation of colon cancer cells through the…”
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