Research Topics
Species | Dawen ZhaoSummaryAffiliation: University of Texas Southwestern Medical Center Country: USA Publications
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Detail Information
Publications
In vivo near-infrared spectroscopy and magnetic resonance imaging monitoring of tumor response to combretastatin A-4-phosphate correlated with therapeutic outcomeDawen Zhao
Department of Radiology, University of Texas Southwestern Medical Center, Dallas, Texas 75390 9058, USA
Int J Radiat Oncol Biol Phys 80:574-81. 2011..To develop a combination treatment consisting of combretastatin A-4-phosphate (CA4P) with radiation based on tumor oxygenation status...
Correlation of radiation response with tumor oxygenation in the Dunning prostate R3327-AT1 tumorVincent A Bourke
Department of Radiology, University of Texas Southwestern Medical Center, Dallas, TX, 75390 9058, USA
Int J Radiat Oncol Biol Phys 67:1179-86. 2007..To investigate the application of pretreatment oxygenation to the AT1 subline of the Dunning R3327 prostate tumor, which is more hypoxic and faster growing than the H1 subline previously studied...
Pten haploinsufficiency accelerates formation of high-grade astrocytomasChang Hyuk Kwon
Department of Developmental Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390 9133, USA
Cancer Res 68:3286-94. 2008..The presence of ectopically migrating neural stem/progenitor lineage cells in presymptomatic Pten-deficient mutant brains supports the notion that these tumors may arise from stem/progenitor cells...
Tumor physiologic response to combretastatin A4 phosphate assessed by MRIDawen Zhao
Department of Radiology, University of Texas Southwestern Medical Center, Dallas, TX 75390-9058, USA
Int J Radiat Oncol Biol Phys 62:872-80. 2005....
Tumor oxygen dynamics: correlation of in vivo MRI with histological findingsDawen Zhao
Department of Radiology, UT Southwestern Medical Center, Dallas, TX, USA
Neoplasia 5:308-18. 2003..These results further validate the utilization of FREDOM to monitor tumor oxygenation and concur with the hypothesis that the level of hypoxia is related to tumor growth rate and poor vascularity...
Comparison of 1H blood oxygen level-dependent (BOLD) and 19F MRI to investigate tumor oxygenationDawen Zhao
Department of Radiology, University of Texas Southwestern Medical Center, Dallas, Texas 75390 9058, USA
Magn Reson Med 62:357-64. 2009..Significantly, the magnitude of the BOLD response appears to be predictive for residual tumor HFs...
Epidermal growth factor receptor in glioma: signal transduction, neuropathology, imaging, and radioresistanceKimmo J Hatanpaa
Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX, USA
Neoplasia 12:675-84. 2010..In this review, we discuss recent progress in key aspects of EGFR signaling in GBM, focusing on neuropathology, signal transduction, imaging of the EGFR, and the role of the EGFR in mediating resistance to radiation therapy in GBM...
The receptor interacting protein 1 inhibits p53 induction through NF-kappaB activation and confers a worse prognosis in glioblastomaSeongmi Park
Department of Neurology, University of Texas Southwestern Medical Center, Dallas, Texas 75390 8813, USA
Cancer Res 69:2809-16. 2009..Importantly, RIP1 levels correlate strongly with mdm2 levels in glioblastoma. Our results show a key interaction between the NF-kappaB and p53 pathways that may have implications for the targeted treatment of glioblastoma...
Dynamic near-infrared optical imaging of 2-deoxyglucose uptake by intracranial glioma of athymic miceHeling Zhou
Department of Radiology, The University of Texas Southwestern Medical Center, Dallas, Texas, United States of America
PLoS ONE 4:e8051. 2009..We have applied in vivo optical imaging to study dynamic uptake of a near-infrared dye-labeled glucose analogue, 2-deoxyglucose (2-DG) by orthotopic glioma in a mouse model...
Continuous low-dose (metronomic) chemotherapy on rat prostate tumors evaluated using MRI in vivo and comparison with histologyDawen Zhao
Department of Radiology, University of Texas Southwestern Medical Center, Dallas, TX 75390-9058, USA
Neoplasia 7:678-87. 2005..These results show the efficacy of the metronomic CTX +/- Tha for delaying tumor growth and indicate that MRI provides insights into the mode of action and early indication of efficacy...
Tumor oxygen dynamics: comparison of 19F MR EPI and frequency domain NIR spectroscopyYulin Song
Joint Graduate Program in Biomedical Engineering, Department of Radiology, UT Southwestern Medical Center, Dallas, TX 75390, USA
Adv Exp Med Biol 530:225-36. 2003..Generally, changes in vascular sO2 preceded tissue pO2, particularly for smaller tumors...
Tumor oximetry: comparison of 19F MR EPI and electrodesRalph P Mason
U.T. Southwestern Medical Center, Dallas, TX 75390, USA
Adv Exp Med Biol 530:19-27. 2003..We also compare MR and electrode approaches to monitoring dynamic changes with respect to interventions and demonstrate extension of the MR technique to rat breast tumors...
Correlation of tumor oxygen dynamics with radiation response of the dunning prostate R3327-HI tumorDawen Zhao
Departments of Radiology, The University of Texas Southwestern Medical Center, Dallas, Texas 75390, USA
Radiat Res 159:621-31. 2003....
Antivascular effects of combretastatin A4 phosphate in breast cancer xenograft assessed using dynamic bioluminescence imaging and confirmed by MRIDawen Zhao
Department of Radiology, University of Texas Southwestern Medical Center, 5523 Harry Hines, Dallas, TX 75390 9058, USA
FASEB J 22:2445-51. 2008..We believe this finding provides an important novel application for BLI that could have widespread application in screening novel therapeutics expected to cause acute vascular changes in tumors...
A perspective on vascular disrupting agents that interact with tubulin: preclinical tumor imaging and biological assessmentRalph P Mason
Department of Radiology, The University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, Texas 75390 9058, USA
Integr Biol (Camb) 3:375-87. 2011..This review focuses on an integration of the appropriate biochemical and biological tools necessary to assess (preclinically) new small-molecule, tubulin active VDAs for their potential to be clinically effective anticancer agents...
Comparison of BOLD contrast and Gd-DTPA dynamic contrast-enhanced imaging in rat prostate tumorLan Jiang
Department of Radiology, University of Texas Southwestern Medical Center, Dallas, Texas 75390-9058, USA
Magn Reson Med 51:953-60. 2004..This suggests that the BOLD technique may be a useful tool for investigating interventions (such as drugs) that cause vascular disruption...
Differential oxygen dynamics in two diverse Dunning prostate R3327 rat tumor sublines (MAT-Lu and HI) with respect to growth and respiratory challengeDawen Zhao
Advanced Radiological Sciences, Department of Radiology, The University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390-9058, USA
Int J Radiat Oncol Biol Phys 53:744-56. 2002..Under baseline conditions, the differences were subtle. However, response to respiratory intervention revealed highly significant differences, which, if held valid in the clinic, could have prognostic value...
RIP1 activates PI3K-Akt via a dual mechanism involving NF-kappaB-mediated inhibition of the mTOR-S6K-IRS1 negative feedback loop and down-regulation of PTENSeongmi Park
Department of Neurology, University of Texas Southwestern Medical Center, Dallas, TX 75390 8813, USA
Cancer Res 69:4107-11. 2009..Our data suggest that the RIP1-NF-kappaB status of tumors may influence response to treatments targeting the PTEN-PI3K-mTOR signaling axis...
Early inactivation of p53 tumor suppressor gene cooperating with NF1 loss induces malignant astrocytomaYuan Zhu
Center for Developmental Biology and Kent Waldrep Foundation Center for Basic Research on Nerve Growth and Regeneration, University of Texas Southwestern Medical Center, Dallas, Texas 75390, USA
Cancer Cell 8:119-30. 2005....
Near-infrared Optical Imaging of Exposed Phosphatidylserine in a Mouse Glioma ModelDawen Zhao
Department of Radiology, UT Southwestern Medical Center, Dallas, TX, USA
Transl Oncol 4:355-64. 2011..800CW-PGN635 may be a useful new imaging probe for detection of exposed PS in tumors responding to therapy...
