7 results on '"D. Nathan Kim"'
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2. DAB2IP Regulates Autophagy in Prostate Cancer in Response to Combined Treatment of Radiation and a DNA-PKcs Inhibitor
- Author
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Lan Yu, Vasu Tumati, Shu-Fen Tseng, Feng-Ming Hsu, D. Nathan Kim, David Hong, Jer-Tsong Hsieh, Corbin Jacobs, Payal Kapur, and Debabrata Saha
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Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,RC254-282 - Abstract
Radiation therapy (RT) is an effective strategy for the treatment of localized prostate cancer (PCa) as well as local invasion. However, some locally advanced cancers develop radiation resistance and recur after therapy; therefore, the development of radiation-sensitizing compounds is essential for treatment of these tumors. DOC-2/DAB2 interactive protein (DAB2IP), which is a novel member of the Ras-GTPase activating protein family and a regulator of phosphatidylinositol 3-kinase-Akt activity, is often downregulated in aggressive PCa. Our previous studies have shown that loss of DAB2IP results in radioresistance in PCa cells primarily because of accelerated DNA double-strand break (DSB) repair kinetics, robust G2/M checkpoint control, and evasion of apoptosis. A novel DNA-PKcs inhibitor NU7441 can significantly enhance the effect of radiation in DAB2IP-deficient PCa cells. This enhanced radiation sensitivity after NU7441 treatment is primarily due to delayed DNA DSB repair. More significantly, we found that DAB2IP-deficient PCa cells show dramatic induction of autophagy after treatment with radiation and NU7441. However, restoring DAB2IP expression in PCa cells resulted in decreased autophagy-associated proteins, such as LC3B and Beclin 1, as well as decreased phosphorylation of S6K and mammalian target of rapamycin (mTOR). Furthermore, the presence of DAB2IP in PCa cells can lead to more apoptosis in response to combined treatment of NU7441 and ionizing radiation. Taken together, NU7441 is a potent radiosensitizer in aggressive PCa cells and DAB2IP plays a critical role in enhancing PCa cell death after combined treatment with NU7441 and radiation.
- Published
- 2012
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3. Feasibility and efficacy of active breathing coordinator assisted deep inspiration breath hold technique for treatment of locally advanced breast cancer
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Sean All, Bo Zhao, Steven Montalvo, Christian Maxwell, Christopher Johns, Xuejun Gu, Asal Rahimi, Prasanna Alluri, David Parsons, Tsuicheng Chiu, Samuel Schroeder, and D. Nathan Kim
- Subjects
Radiation ,Radiology, Nuclear Medicine and imaging ,Instrumentation - Abstract
Active breathing coordinator (ABC)-assisted deep inspiration breath hold (DIBH) is an important organ sparing radiation therapy (RT) technique for left-sided breast cancer patients. Patients with advanced breast cancer undergoing chest wall and regional nodal irradiation often require a field matching technique. While field matching has been demonstrated to be safe and effective in free breathing patients, its safety and accuracy in DIBH/ABC use has not been previously reported.To report the accuracy, feasibility, and safety of field matching with ABC/DIBH for patients receiving breast/chest wall irradiation with nodal irradiation using a three-field technique.From December 2012 to May 2018, breast cancer patients undergoing ABC/DIBH-based RT at a single institution were reviewed. For each fraction, the amount of overlap/gap between the supraclavicular and the tangential field were measured and recorded. Patient characteristics, including acute and delayed skin toxicities, were analyzed.A total of 202 patients utilized ABC/DIBH and 4973 fractions had gap/overlap measurements available for analysis. The average gap/overlap measured at junction was 0.28 mm ± 0.99 mm. A total of 72% of fractions had no measurable gap/overlap (0 mm), while 5.6% had an overlap and 22.7% a gap. There was no significant trend for worsening or improvement of gap/overlap measurements with increasing fraction number per patient. OSLD measurements were compared to the planned dose. The median dose 1 cm above the junction was 106% ± 7% of planned dose (range 94%-116%). One centimeter below the junction, the median dose was 114% ± 11% of planned dose (range 95%-131%). At the junction, the median dose was 106% ± 16.3% of planned dose (range 86%-131%). Acute skin toxicity was similar to historically reported values (grade 3, 5.4%, grade 4, 0%).ABC-assisted DIBH is a safe and technically feasible method of delivering RT in the setting of complex matching field technique for breast and regional nodal treatments.
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- 2022
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4. In Reply to Hannoun-Levi et al
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Asal, Rahimi, Ambrosia, Simmons, D Nathan, Kim, Marilyn, Leitch, Jonathan, Haas, Xuejun, Gu, Chul, Ahn, Ang, Gao, Ann, Spangler, Howard E, Morgan, Sally, Goudreau, Stephen, Seiler, Deborah, Farr, Rachel, Wooldridge, Barbara, Haley, Shohreh, Bahrami, Sarah, Neufeld, Christopher, Mendez, Prasanna, Alluri, Roshni, Rao, and Robert D, Timmerman
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Cancer Research ,Radiation ,Oncology ,Radiology, Nuclear Medicine and imaging - Published
- 2022
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5. A How-To Compendium for GammaPod Treatments, Clinical Workflow, and Clinical Program at an Early Adopting Institution
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Elizabeth Zhang-Velten, You Zhang, Sepeadeh Radpour, Xuejun Gu, D. Nathan Kim, Prasanna Alluri, Chika Nwachukwu, Tsuicheng Chiu, Weiguo Lu, David Parsons, Jun Tan, Jennifer Gillespie, Stella Stevenson, Hak Choy, Robert Timmerman, and Asal Rahimi
- Subjects
Oncology ,Radiotherapy Planning, Computer-Assisted ,Humans ,Radiology, Nuclear Medicine and imaging ,Breast Neoplasms ,Female ,Breast ,Mastectomy, Segmental ,Radiometry ,Radiosurgery ,Workflow - Abstract
In 2019, our institution became the second in the world to go live with GammaPod (Xcision Medical Systems, LLC, Columbia, MD), a device dedicated for stereotactic radiation therapy of breast cancer, with breast immobilization, real-time imaging, and highly-conformal dosimetry. At our institution, GammaPod is used for 5-fraction adjuvant partial breast irradiation, single-fraction tumor cavity boost before whole-breast irradiation, single-fraction preoperative radiation, and (in poor surgical candidates), single-fraction definitive radiation. Here, we describe our workflow, observed procedure step times, and homegrown techniques for improved efficiency in our institutional experience of 93 patients treated between 2019 and 2021.
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- 2021
6. Contributors
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James L. Abbruzzese, Omar Abdel-Wahab, Ghassan K. Abou-Alfa, Janet L. Abrahm, Jeffrey S. Abrams, Jeremy S. Abramson, Dara L. Aisner, Michelle Alonso-Basanta, Jesus Anampa, Megan E. Anderson, Emmanuel S. Antonarakis, Richard Aplenc, Frederick R. Appelbaum, Luiz H. Araujo, Ammar Asban, Edward Ashwood, Farrukh T. Awan, Juliet L. Aylward, Arjun V. Balar, Courtney J. Balentine, Stefan K. Barta, Nancy Bartlett, Karen Basen-Engquist, Lynda Kwon Beaupin, Ross S. Berkowitz, Donald A. Berry, Therese Bevers, John F. Boggess, Julie R. Brahmer, Janet Brown, Karen Brown, Powel Brown, Ilene Browner, Paul A. Bunn, William R. Burns, John C. Byrd, Karen Cadoo, David P. Carbone, H. Ballentine Carter, Jorge J. Castillo, Alfred E. Chang, Eric Chang, Stephen J. Chanock, Claudia I. Chapuy, Vikash P. Chauhan, Herbert Chen, Ronald C. Chen, Nai-Kong V. Cheung, Jennifer H. Choe, Michaele C. Christian, Paul M. Cinciripini, Michael F. Clarke, Robert E. Coleman, Robert L. Coleman, Adriana M. Coletta, Jerry M. Collins, Jean M. Connors, Michael Cools, Kevin R. Coombes, Jorge Cortes, Mauro W. Costa, Anne Covey, Kenneth H. Cowan, Christopher H. Crane, Jeffrey Crawford, Kristy Crooks, Daniel J. Culkin, Brian G. Czito, Piero Dalerba, Josep Dalmau, Mai Dang, Michael D'Angelica, Kurtis D. Davies, Myrtle Davis, Nicolas Dea, Ana De Jesus-Acosta, Angelo M. DeMarzo, Theodore L. DeWeese, Maximilian Diehn, Subba R. Digumarthy, Angela Dispenzieri, Khanh T. Do, Konstantin Dobrenkov, Jeffrey S. Dome, James H. Doroshow, Jay F. Dorsey, Marianne Dubard-Gault, Steven G. DuBois, Dan G. Duda, Malcolm Dunlop, Linda R. Duska, Madeleine Duvic, Imane El Dika, Hashem El-Serag, Jeffrey M. Engelmann, David S. Ettinger, Lola A. Fashoyin-Aje, Eric R. Fearon, James M. Ford, Wilbur A. Franklin, Phoebe E. Freer, Boris Freidlin, Alison G. Freifeld, Terence W. Friedlander, Debra L. Friedman, Arian F. Fuller, Lorenzo Galluzzi, Mark C. Gebhardt, Daniel J. George, Mark B. Geyer, Amato J. Giaccia, Mark R. Gilbert, Whitney Goldner, Donald P. Goldstein, Annekathryn Goodman, Karyn A. Goodman, Kathleen Gordon, Laura Graeff-Armas, Alexander J. Greenstein, Stuart A. Grossman, Stephan Grupp, Arjun Gupta, Irfanullah Haider, Missak Haigentz, John D. Hainsworth, Benjamin E. Haithcock, Christopher L. Hallemeier, Samir Hanash, Aphrothiti J. Hanrahan, James Harding, Michael R. Harrison, Muneer G. Hasham, Ernest Hawk, Jonathan Hayman, Jonathan E. Heinlen, N. Lynn Henry, Joseph Herman, Brian P. Hobbs, Ingunn Holen, Leora Horn, Neil S. Horowitz, Steven M. Horwitz, Odette Houghton, Scott C. Howard, Clifford A. Hudis, Stephen P. Hunger, Arti Hurria, David H. Ilson, Annie Im, Gopa Iyer, Elizabeth M. Jaffee, Reshma Jagsi, Rakesh K. Jain, William Jarnagin, Aminah Jatoi, Anuja Jhingran, David H. Johnson, Brian Johnston, Patrick G. Johnston, Kevin D. Judy, Lisa A. Kachnic, Orit Kaidar-Person, Sanjeeva Kalva, Deborah Y. Kamin, Hagop Kantarjian, Giorgos Karakousis, Maher Karam-Hage, Nadine M. Kaskas, Michael B. Kastan, Nora Katabi, Daniel R. Kaul, Scott R. Kelley, Nancy Kemeny, Erin E. Kent, Oliver Kepp, Simon Khagi, Joshua E. Kilgore, D. Nathan Kim, Bette K. Kleinschmidt-DeMasters, Edward L. Korn, Guido Kroemer, Geoffrey Y. Ku, Shivaani Kummar, Bonnie Ky, Daniel A. Laheru, Paul F. Lambert, Mark Lawler, Jennifer G. Le-Rademacher, John Y.K. Lee, Nancy Y. Lee, Susanna L. Lee, Jonathan E. Leeman, Andreas Linkermann, Jinsong Liu, Simon Lo, Jason W. Locasale, Charles L. Loprinzi, Maeve Lowery, Emmy Ludwig, Matthew A. Lunning, Robert A. Lustig, Mitchell Machtay, Crystal Mackall, David A. Mahvi, David M. Mahvi, Amit Maity, Neil Majithia, Marcos Malumbres, Karen Colbert Maresso, John D. Martin, Koji Matsuo, Natalie H. Matthews, Lauren Mauro, R. Samuel Mayer, Worta McCaskill-Stevens, Megan A. McNamara, Neha Mehta-Shah, Robert E. Merritt, Matthew I. Milowsky, Lori M. Minasian, Tara C. Mitchell, Demytra Mitsis, Michelle Mollica, Margaret Mooney, Farah Moustafa, Lida Nabati, Jarushka Naidoo, Amol Narang, Heidi Nelson, William G. Nelson, Suzanne Nesbit, Mark Niglas, Tracey O'Connor, Kenneth Offit, Mihaela Onciu, Eileen M. O’Reilly, Elaine A. Ostrander, Lisa Pappas-Taffer, Drew Pardoll, Jae H. Park, Anery Patel, Anish J. Patel, Steven R. Patierno, Steven Z. Pavletic, Peter C. Phillips, Miriam D. Post, Amy A. Pruitt, Christiane Querfeld, Vance A. Rabius, S. Vincent Rajkumar, Mohammad O. Ramadan, Erinn B. Rankin, Sushanth Reddy, Michael A. Reid, Scott Reznik, Tina Rizack, Jason D. Robinson, Leslie Robinson-Bostom, Carlos Rodriguez-Galindo, Paul B. Romesser, Steven T. Rosen, Myrna R. Rosenfeld, Nadia Rosenthal, Meredith Ross, Julia H. Rowland, Anthony H. Russell, Michael S. Sabel, Arjun Sahgal, Ryan D. Salinas, Erin E. Salo-Mullen, Manuel Salto-Tellez, Sydney M. Sanderson, John T. Sandlund, Victor M. Santana, Michelle Savage, Eric C. Schreiber, Lynn Schuchter, Liora Schultz, Michael V. Seiden, Morgan M. Sellers, Payal D. Shah, Jinru Shia, Konstantin Shilo, Eric Small, Angela B. Smith, Stephen N. Snow, David B. Solit, Anil K. Sood, Enrique Soto-Perez-de-Celis, Joseph A. Sparano, Vladimir S. Spiegelman, Sheri L. Spunt, Zsofia K. Stadler, David P. Steensma, Richard M. Stone, Steven Kent Stranne, Kelly Stratton, Bill Sugden, Andrew M. Swanson, Martin S. Tallman, James E. Talmadge, David T. Teachey, Catalina V. Teba, Ayalew Tefferi, Bin Tean Teh, Joyce M.C. Teng, Joel E. Tepper, Premal H. Thaker, Aaron P. Thrift, Arthur-Quan Tran, Grace Triska, Donald Trump, Kenneth Tsai, Chia-Lin Tseng, Diane Tseng, Sandra Van Schaeybroeck, Brian A. Van Tine, Erin R. Vanness, Gauri Varadhachary, Marileila Varella-Garcia, Richard L. Wahl, Michael F. Walsh, Thomas Wang, Jared Weiss, Irving L. Weissman, Shannon N. Westin, Jeffrey D. White, Richard Wilson, Richard J. Wong, Gary S. Wood, Yaohui G. Xu, Meng Xu-Welliver, Shlomit Yust-Katz, Timothy Zagar, Elaine M. Zeman, Tian Zhang, and James A. Zwiebel
- Published
- 2020
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7. Superior Vena Cava Syndrome
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Arjun Gupta, D. Nathan Kim, Sanjeeva Kalva, Scott Reznik, and David H. Johnson
- Published
- 2020
- Full Text
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