Publications by authors named "Stephen B Keysar"

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Improved Methods for the Stable Generation of Human Papillomavirus-Driven Head and Neck Cancer Cell Lines.
Phuong N Le, Stephen B Keysar, Bettina Miller, J Jason Morton, Tugs-Saikhan Chimed

Mol Carcinog· November 2025

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Autologous Thymic Organoids Support Functional T-cell Education and Enhance Antitumor Immunity in Humanized Mice with Melanoma Xenografts.
J Jason Morton, Stephan A Ramos, Nathaniel Alzofon, Stephen B Keysar, Lucas H Armitage

Cancer Res Commun· November 2025

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The programmed death ligand 1 interactome demonstrates bidirectional signaling coordinating immune suppression and cancer progression in head and neck squamous cell carcinoma.
Cera Nieto, Bettina Miller, Nathaniel Alzofon, Tugy Chimed, Jack Himes, Stephen B Keysar

J Natl Cancer Inst· November 2023

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Epidermal growth factor receptor signaling in precancerous keratinocytes promotes neighboring head and neck cancer squamous cell carcinoma cancer stem cell-like properties and phosphoinositide 3-kinase inhibitor insensitivity.
Khoa A Nguyen, Madison J Keith, Stephen B Keysar, Spencer C Hall, Anamol Bimali

Mol Carcinog· July 2022

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Caveolin-1 and Sox-2 are predictive biomarkers of cetuximab response in head and neck cancer.
Mehdi Bouhaddou, Rex H Lee, Hua Li, Neil E Bhola, Rachel A O'Keefe, Stephen B Keysar

JCI Insight· October 2021

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Studying Immunotherapy Resistance in a Melanoma Autologous Humanized Mouse Xenograft.
J Jason Morton, Nathaniel Alzofon, Stephen B Keysar, Tugs-Saikhan Chimed, Julie Reisinger

Mol Cancer Res· February 2021

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Cancer Cell CD44 Mediates Macrophage/Monocyte-Driven Regulation of Head and Neck Cancer Stem Cells.
Karina E Gomez, FangLong Wu, Stephen B Keysar, J Jason Morton, Bettina Miller

Cancer Res· October 2020

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Inhibiting Translation Elongation with SVC112 Suppresses Cancer Stem Cells and Inhibits Growth in Head and Neck Squamous Carcinoma.
Stephen B Keysar, Nathan Gomes, Bettina Miller, Brian C Jackson, Phuong N Le

Cancer Res· March 2020

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MAPKAPK2 (MK2) inhibition mediates radiation-induced inflammatory cytokine production and tumor growth in head and neck squamous cell carcinoma.
Kiersten L Berggren, Sebastian Restrepo Cruz, Michael D Hixon, Andrew T Cowan, Stephen B Keysar

Oncogene· November 2019

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Leading edge or tumor core: Intratumor cancer stem cell niches in oral cavity squamous cell carcinoma and their association with stem cell function.
Farshad N Chowdhury, Julie Reisinger, Karina E Gomez, Tugs-Saikhan Chimed, Carissa M Thomas, Stephen B Keysar

Oral Oncol· November 2019

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Inter- and intra-tumor heterogeneity of SMAD4 loss in head and neck squamous cell carcinomas.
Ariel L Hernandez, Ying Wang, Hilary L Somerset, Stephen B Keysar, Dara L Aisner

Mol Carcinog· May 2019

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Wnt signaling dynamics in head and neck squamous cell cancer tumor-stroma interactions.
Phuong N Le, Stephen B Keysar, Bettina Miller, Justin R Eagles, Tugs-Saikhan Chimed

Mol Carcinog· March 2019

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Dual use of hematopoietic and mesenchymal stem cells enhances engraftment and immune cell trafficking in an allogeneic humanized mouse model of head and neck cancer.
John J Morton, Stephen B Keysar, Loni Perrenoud, Tugs-Saikhan Chimed, Julie Reisinger

Mol Carcinog· November 2018

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Salivary Gland Cancer Patient-Derived Xenografts Enable Characterization of Cancer Stem Cells and New Gene Events Associated with Tumor Progression.
Stephen B Keysar, Justin R Eagles, Bettina Miller, Brian C Jackson, Farshad N Chowdhury

Clin Cancer Res· June 2018

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EGFR Mediates Responses to Small-Molecule Drugs Targeting Oncogenic Fusion Kinases.
Aria Vaishnavi, Laura Schubert, Uwe Rix, Lindsay A Marek, Anh T Le, Stephen B Keysar

Cancer Res· July 2017

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Procedure for Horizontal Transfer of Patient-Derived Xenograft Tumors to Eliminate .
Christopher A Manuel, Stacey M Bagby, Julie A Reisinger, Umarani Pugazhenthi, Todd M Pitts, Stephen B Keysar

J Am Assoc Lab Anim Sci· March 2017

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Regulation of Head and Neck Squamous Cancer Stem Cells by PI3K and SOX2.
Stephen B Keysar, Phuong N Le, Bettina Miller, Brian C Jackson, Justin R Eagles

J Natl Cancer Inst· January 2017

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An Inducible TGF-β2-TGFβR Pathway Modulates the Sensitivity of HNSCC Cells to Tyrosine Kinase Inhibitors Targeting Dominant Receptor Tyrosine Kinases.
Emily K Kleczko, Jihye Kim, Stephen B Keysar, Lydia R Heasley, Justin R Eagles

PLoS One· February 2016

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A pilot study of cetuximab and the hedgehog inhibitor IPI-926 in recurrent/metastatic head and neck squamous cell carcinoma.
Daniel W Bowles, Stephen B Keysar, Justin R Eagles, Guoliang Wang, Magdalena J Glogowska

Oral Oncol· February 2016

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Hedgehog signaling drives radioresistance and stroma-driven tumor repopulation in head and neck squamous cancers.
Gregory N Gan, Justin Eagles, Stephen B Keysar, Guoliang Wang, Magdalena J Glogowska

Cancer Res· December 2014

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Phase I study of oral rigosertib (ON 01910.Na), a dual inhibitor of the PI3K and Plk1 pathways, in adult patients with advanced solid malignancies.
Daniel W Bowles, Jennifer R Diamond, Elaine T Lam, Colin D Weekes, David P Astling, Stephen B Keysar

Clin Cancer Res· March 2014

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The dual pathway inhibitor rigosertib is effective in direct patient tumor xenografts of head and neck squamous cell carcinomas.
Ryan T Anderson, Stephen B Keysar, Daniel W Bowles, Magdalena J Glogowska, David P Astling

Mol Cancer Ther· October 2013

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Epithelial stem cell mutations that promote squamous cell carcinoma metastasis.
Ruth A White, Jill M Neiman, Anand Reddi, Gangwen Han, Stanca Birlea, Stephen B Keysar

J Clin Invest· October 2013

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A patient tumor transplant model of squamous cell cancer identifies PI3K inhibitors as candidate therapeutics in defined molecular bins.
Stephen B Keysar, David P Astling, Ryan T Anderson, Brian W Vogler, Daniel W Bowles

Mol Oncol· August 2013

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Hedgehog signaling alters reliance on EGF receptor signaling and mediates anti-EGFR therapeutic resistance in head and neck cancer.
Stephen B Keysar, Phuong N Le, Ryan T Anderson, J Jason Morton, Daniel W Bowles

Cancer Res· June 2013

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