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Charles R. Ashby
Researcher at St. John's University
Publications - 235
Citations - 11161
Charles R. Ashby is an academic researcher from St. John's University. The author has contributed to research in topics: Dopamine & Cancer. The author has an hindex of 50, co-authored 211 publications receiving 9600 citations. Previous affiliations of Charles R. Ashby include Brookhaven College & The Feinstein Institute for Medical Research.
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The modulation of ABC transporter-mediated multidrug resistance in cancer: a review of the past decade.
TL;DR: The development of new compounds and the re-evaluation of compounds originally designed for other targets as transport inhibitors of ATP-dependent drug efflux pumps are summarized.
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Is Methylphenidate Like Cocaine?: Studies on Their Pharmacokinetics and Distribution in the Human Brain
Nora D. Volkow,Nora D. Volkow,Yu-Shin Ding,Joanna S. Fowler,Gene-Jack Wang,Jean Logan,John Gatley,Stephen L. Dewey,Charles R. Ashby,Jeffrey Liebermann,Robert Hitzemann,Alfred P. Wolf +11 more
TL;DR: It is speculated that because the experience of the high is associated with the fast uptake of cocaine and methylphenidate in the brain, the slow clearance ofethylphenidate from the brain may serve as a limiting factor in promoting its frequent self-administration.
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Modulating ROS to overcome multidrug resistance in cancer.
Qingbin Cui,Jing-Quan Wang,Yehuda G. Assaraf,Liang Ren,Pranav Gupta,Liuya Wei,Charles R. Ashby,Dong-Hua Yang,Zhe-Sheng Chen +8 more
TL;DR: The critical and targetable redox-regulating enzymes, including mitochondrial electron transport chain complexes, NADPH oxidases (NOXs), enzymes related to glutathione metabolism, glutamate/cystine antiporter xCT, thioredoxin reductases (TrxRs), nuclear factor erythroid 2-related factor 2 (Nrf2), and their roles in regulating cellular ROS levels, drug resistance as well as their clinical significance are discussed.
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Lapatinib (Tykerb, GW572016) Reverses Multidrug Resistance in Cancer Cells by Inhibiting the Activity of ATP-Binding Cassette Subfamily B Member 1 and G Member 2
Chun Ling Dai,Amit K. Tiwari,Chung-Pu Wu,Xiao Dong Su,Si Rong Wang,Dong Geng Liu,Charles R. Ashby,Yan Huang,Robert W. Robey,Yong Ju Liang,Li Ming Chen,Cheng Jun Shi,Suresh V. Ambudkar,Zhe-Sheng Chen,Li Wu Fu +14 more
TL;DR: Investigation of the ability of lapatinib to reverse tumor multidrug resistance (MDR) due to overexpression of ABC subfamily B member 1 (ABCB1) and ABCsubfamily G member 2 (ABCG2) transporters found it reverses ABCB1- and ABCG2-mediated MDR by directly inhibiting their transport function.
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The role of central dopamine D3 receptors in drug addiction: a review of pharmacological evidence.
Christian Heidbreder,Eliot L. Gardner,Zheng-Xiong Xi,Panayotis K. Thanos,Manolo Mugnaini,Jim J. Hagan,Charles R. Ashby +6 more
TL;DR: The results obtained with highly selective D3 receptor antagonists such as SB-277011-A, SB-414796, and NGB-2904 indicate that central D3 receptors may play an important role in drug-induced reward, drug-taking, and cue-, drug- and stress-induced reinstatement of drug-seeking behavior.