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Expertise:
Hematology
Hematopathology
Leukemia
Lymphoma
Notch Signaling
My research program focuses on the pathogenesis of lymphoid malignancy and entails two major arms. First, we have explored the role of NOTCH1 and other oncogenes/tumor suppressors in the genesis and propagation of T-cell acute lymphoblastic leukemia (T-ALL) including studies on downstream target genes/pathways and identifying mechanisms operative in leukemia stem cells. We have addressed these questions in cells from different developmental stages and tissue contexts on the hypothesis that preset epigenetic programs may restrict the oncogenic trajectories available to the cells as they undergo the initial stages of transformation and clonal establishment. Many of our findings have direct clinical relevance in that they serve as basis for the development of rational therapies that target disease-specific phenotypes.
As a second and more recent focus, my lab has explored the use of state-of-the-art mass cytometry (CyTOF) to obtain highly resolved phenotypic maps of heterogeneous cell populations in present in patient lymphoma biopsy samples including both malignant and reactive immune cell compartments. We have used this methodology to characterize intratumoral heterogeneity/subclonal diversity among malignant cell populations and stereotyped or patient-specific immune responses. This work is also of direct clinical relevance in providing detailed phenotypic characterizations that are required in order to define biomarkers for lymphoma classification and prognosis, and monitoring of patient-specific responses to therapy.
Expertise:
Hematology
Hematopathology
Leukemia
Lymphoma
Notch Signaling
My research program focuses on the pathogenesis of lymphoid malignancy and entails two major arms. First, we have explored the role of NOTCH1 and other oncogenes/tumor suppressors in the genesis and propagation of T-cell acute lymphoblastic leukemia (T-ALL) including studies on downstream target genes/pathways and identifying mechanisms operative in leukemia stem cells. We have addressed these questions in cells from different developmental stages and tissue contexts on the hypothesis that preset epigenetic programs may restrict the oncogenic trajectories available to the cells as they undergo the initial stages of transformation and clonal establishment. Many of our findings have direct clinical relevance in that they serve as basis for the development of rational therapies that target disease-specific phenotypes.
As a second and more recent focus, my lab has explored the use of state-of-the-art mass cytometry (CyTOF) to obtain highly resolved phenotypic maps of heterogeneous cell populations in present in patient lymphoma biopsy samples including both malignant and reactive immune cell compartments. We have used this methodology to characterize intratumoral heterogeneity/subclonal diversity among malignant cell populations and stereotyped or patient-specific immune responses. This work is also of direct clinical relevance in providing detailed phenotypic characterizations that are required in order to define biomarkers for lymphoma classification and prognosis, and monitoring of patient-specific responses to therapy.
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Bioinformaticsno. Supplement_1 (2023): i131-i139
Mateusz Antoszewski,Nadine Fournier,Gustavo A Ruiz Buendía,Joao Lourenco,Yuanlong Liu, Tara Sugrue,Christelle Dubey,Marianne Nkosi,Colin E J Pritchard,Ivo J Huijbers,Gabriela C Segat, Sandra Alonso-Moreno,
Blood Cancer Discoveryno. 5_Supplement (2022): 750-751
Proceedings of the National Academy of Sciences of the United States of Americano. 41 (2021)
Biological Mechanisms and the Advancing Approaches to Overcoming Cancer Drug Resistancepp.161-197, (2021)
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