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Olga A. Timofeeva
Georgetown University Medical Center
Molecular biologyImmunologyLinguisticsOld EnglishBiology
66Publications
17H-index
1,589Citations
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#1Amrita K. Cheema (GUMC: Georgetown University Medical Center)H-Index: 23
#2Scott GrindrodH-Index: 9
Last. Anatoly Dritschilo (MedStar Georgetown University Hospital)H-Index: 49
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Patients presenting with prostate cancers undergo clinical staging evaluations to determine the extent of disease to guide therapeutic recommendations. Management options may include watchful waiting, surgery, or radiation therapy. Thus, initial risk stratification of prostate cancer patients is important for achieving optimal therapeutic results or cancer cure and preservation of quality of life. Predictive biomarkers for risks of complications or late effects of treatment are needed to inform ...
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#1Olga A. TimofeevaH-Index: 17
Last. Xuefeng LiuH-Index: 23
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// Olga A. Timofeeva 1, 2 , Nancy Palechor-Ceron 3 , Guanglei Li 4 , Hang Yuan 3 , Ewa Krawczyk 3 , Xiaogang Zhong 5 , Geng Liu 4 , Geeta Upadhyay 1 , Aleksandra Dakic 3 , Songtao Yu 3 , Shuang Fang 3 , Sujata Choudhury 3 , Xueping Zhang 1 , Andrew Ju 6 , Myeong-Seon Lee 7 , Han C. Dan 8 , Youngmi Ji 9 , Yong Hou 4 , Yun-Ling Zheng 1 , Chris Albanese 1, 3 , Johng Rhim 9 , Richard Schlegel 3 , Anatoly Dritschilo 1, 6 , Xuefeng Liu 3 1 Department of Oncology, Lombardi Comprehensive Cancer Center, ...
16 CitationsSource
#1Xuefeng Liu (Georgetown University)H-Index: 23
#2Ewa Krawczyk (Georgetown University)H-Index: 11
Last. Richard Schlegel (Georgetown University)H-Index: 58
view all 23 authors...
This protocol demonstrates how to establish primary epithelial cell cultures in vitro from healthy human tissue and human cancer samples using ROCK inhibitor and irradiated feeder cells.
65 CitationsSource
#1Einsley Janowski (Georgetown University)H-Index: 4
#2Olga A. Timofeeva (Georgetown University)H-Index: 17
Last. Keith Unger (Georgetown University)H-Index: 12
view all 9 authors...
: Patients with unresectable, chemo-refractory colorectal cancer liver metastases (CRCLM) have limited local treatment options. We report our institutional experience on the efficacy of resin-based yttrium-90 (90Y) radioembolization for the treatment of CRCLM and our findings on associated circulating cell-free DNA (ccfDNA) studies. A total of 58 patients treated with 90Y for CRCLM at the Medstar Georgetown University Hospital had a median survival of 6 months [95% confidence interval (CI), 4.55...
7 CitationsSource
#1Einsley Janowski (Georgetown University)H-Index: 4
#2Simeng Suy (Georgetown University)H-Index: 21
Last. Sean P. Collins (Georgetown University)H-Index: 47
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Proceedings: AACR 107th Annual Meeting 2016; April 16-20, 2016; New Orleans, LA Purpose: The goal of this study was to determine the feasibility for developing prognostic protein biomarkers in serum samples from patients undergoing Stereotactic Body Radiation Therapy (SBRT) for organ confined prostate cancers. Methods: 130 patients presenting with organ confined prostate cancers were treated with SBRT to doses of 35-36.25 Gy in 5 fractions. Peripheral blood samples were collected prospectively f...
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#1Shilpa Bhatia (University of Colorado Denver)H-Index: 13
#2Kellen Hirsch (University of Colorado Denver)H-Index: 5
Last. Sana D. Karam (University of Colorado Denver)H-Index: 19
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Background Members of the Eph/ephrin gene families act as key regulators of cerebellar development during embryogenesis. Aberrant signaling of Eph family of receptor tyrosine kinases and their ephrin ligands has also been implicated in human cancers. Medulloblastoma is an aggressive primitive neuroectodermal tumor that originates from granule neuron precursors in the cerebellum. Previous studies have suggested a role for the ephrin-A5 ligand and its receptors, EphA4 and EphA7, in granule cell-pr...
6 CitationsSource
#2Deepika N. ShenoyH-Index: 1
Last. Partha P. Banerjee (Georgetown University)H-Index: 4
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// Joshua D. Brown-Clay 1 , Deepika N. Shenoy 1 , Olga Timofeeva 2 , Bhaskar V. Kallakury 3 , Asit K. Nandi 4 and Partha P. Banerjee 1 1 Department of Biochemistry and Molecular and Cellular Biology, Georgetown University Medical Center, Washington, DC, USA 2 Departments of Oncology and Radiation Medicine, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC, USA 3 Department of Pathology, Georgetown University Medical Center, Washington, DC, USA 4 Current a...
21 CitationsSource
#1Shilpa Bhatia (University of Colorado Denver)H-Index: 13
#2Nimrah Baig (Georgetown University)H-Index: 2
Last. Sana D. Karam (Georgetown University)H-Index: 19
view all 16 authors...
// Shilpa Bhatia 1, * , Nimrah A. Baig 2, * , Olga Timofeeva 2 , Elena B. Pasquale 3 , Kellen Hirsch 1 , Tobey J. MacDonald 4 , Anatoly Dritschilo 2, 7 , Yi Chien Lee 2 , Mark Henkemeyer 5 , Brian Rood 6 , Mira Jung 2 , Xiao-Jing Wang 8 , Marcel Kool 9 , Olga Rodriguez 2, * , Chris Albanese 2, 10, * , Sana D. Karam 1, 2, * 1 Department of Radiation Oncology, University of Colorado Denver, Anschutz Medical Campus, Aurora, CO 80045, USA 2 Department of Oncology, Lombardi Comprehensive Cancer Cente...
9 CitationsSource
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