 Amit Ketkar
| Title | Instructor |
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| Institution | University of Arkansas for Medical Sciences |
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| Department | Biochemistry & Molecular Biology, College of Medicine |
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| Division | Biochem & Molecular Y-Family DNA |
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| Address | B416 Biomedical Research I
325 S. Elm St.
Mail Slot # 516
Little Rock AR 72205
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| Phone | 501-123-4567 |
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| vCard | Download vCard |
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 Research 1903357 (EOFF, ROBERT)Aug 1, 2019 - Jul 31, 2024 National Science Foundation
Replication of G-quadruplex DNA by translesion polymerases
Role: Co-Investigator |
| R01CA183895 (EOFF, ROBERT L)Apr 4, 2014 - Feb 29, 2020 NIH
Translesion DNA polymerase kappa activity in gliomas
Role: Co-Investigator |
Bibliographic
Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications.
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Christov PP, Richie-Jannetta R, Kingsley PJ, Vemulapalli A, Kim K, Sulikowski GA, Rizzo CJ, Ketkar A, Eoff RL, Rouzer CA, Marnett LJ. Site-Specific Synthesis of Oligonucleotides Containing 6-Oxo-M1dG, the Genomic Metabolite of M1dG, and Liquid Chromatography-Tandem Mass Spectrometry Analysis of Its In Vitro Bypass by Human Polymerase ?. Chem Res Toxicol. 2021 12 20; 34(12):2567-2578. PMID: 34860508.
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Hsu CC, Zhang X, Wang G, Zhang W, Cai Z, Pan BS, Gu H, Xu C, Jin G, Xu X, Manne RK, Jin Y, Yan W, Shao J, Chen T, Lin E, Ketkar A, Eoff R, Xu ZG, Chen ZZ, Li HY, Lin HK. Inositol serves as a natural inhibitor of mitochondrial fission by directly targeting AMPK. Mol Cell. 2021 09 16; 81(18):3803-3819.e7. PMID: 34547240.
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Reed MR, Maddukuri L, Ketkar A, Byrum SD, Zafar MK, Bostian ACL, Tackett AJ, Eoff RL. Inhibition of tryptophan 2,3-dioxygenase impairs DNA damage tolerance and repair in glioma cells. NAR Cancer. 2021 Jun; 3(2):zcab014. PMID: 33870196.
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Ketkar A, Smith L, Johnson C, Richey A, Berry M, Hartman JH, Maddukuri L, Reed MR, Gunderson JEC, Leung JWC, Eoff RL. Human Rev1 relies on insert-2 to promote selective binding and accurate replication of stabilized G-quadruplex motifs. Nucleic Acids Res. 2021 02 26; 49(4):2065-2084. PMID: 33555350.
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Ketkar A, Maddukuri L, Penthala NR, Reed MR, Zafar MK, Crooks PA, Eoff RL. Inhibition of Human DNA Polymerases Eta and Kappa by Indole-Derived Molecules Occurs through Distinct Mechanisms. ACS Chem Biol. 2019 06 21; 14(6):1337-1351. PMID: 31082191.
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Zafar MK, Maddukuri L, Ketkar A, Penthala NR, Reed MR, Eddy S, Crooks PA, Eoff RL. A Small-Molecule Inhibitor of Human DNA Polymerase ? Potentiates the Effects of Cisplatin in Tumor Cells. Biochemistry. 2018 02 20; 57(7):1262-1273. PMID: 29345908.
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Madadi NR, Penthala NR, Ketkar A, Eoff RL, Trujullo-Alonso V, Guzman ML, Crooks PA. Synthesis and Evaluation of 2-Naphthaleno trans-Stilbenes and Cyanostilbenes as Anticancer Agents. Anticancer Agents Med Chem. 2018; 18(4):556-564. PMID: 28403783.
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Ketkar A, Voehler M, Mukiza T, Eoff RL. Residues in the RecQ C-terminal Domain of the Human Werner Syndrome Helicase Are Involved in Unwinding G-quadruplex DNA. J Biol Chem. 2017 02 24; 292(8):3154-3163. PMID: 28069813.
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Yadlapalli JSK, Ford BM, Ketkar A, Wan A, Penthala NR, Eoff RL, Prather PL, Dobretsov M, Crooks PA. Antinociceptive effects of the 6-O-sulfate ester of morphine in normal and diabetic rats: Comparative role of mu- and delta-opioid receptors. Pharmacol Res. 2016 11; 113(Pt A):335-347. PMID: 27637375.
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Eddy S, Tillman M, Maddukuri L, Ketkar A, Zafar MK, Eoff RL. Human Translesion Polymerase ? Exhibits Enhanced Activity and Reduced Fidelity Two Nucleotides from G-Quadruplex DNA. Biochemistry. 2016 09 20; 55(37):5218-29. PMID: 27525498.
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Madadi NR, Ketkar A, Penthala NR, Bostian AC, Eoff RL, Crooks PA. Dioxol and dihydrodioxin analogs of 2- and 3-phenylacetonitriles as potent anti-cancer agents with nanomolar activity against a variety of human cancer cells. Bioorg Med Chem Lett. 2016 May 01; 26(9):2164-9. PMID: 27017113.
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Penthala NR, Ketkar A, Sekhar KR, Freeman ML, Eoff RL, Balusu R, Crooks PA. 1-Benzyl-2-methyl-3-indolylmethylene barbituric acid derivatives: Anti-cancer agents that target nucleophosmin 1 (NPM1). Bioorg Med Chem. 2015 Nov 15; 23(22):7226-33. PMID: 26602084.
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Madadi NR, Penthala NR, Howk K, Ketkar A, Eoff RL, Borrelli MJ, Crooks PA. Synthesis and biological evaluation of novel 4,5-disubstituted 2H-1,2,3-triazoles as cis-constrained analogues of combretastatin A-4. Eur J Med Chem. 2015 Oct 20; 103:123-32. PMID: 26352674.
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Eddy S, Maddukuri L, Ketkar A, Zafar MK, Henninger EE, Pursell ZF, Eoff RL. Evidence for the kinetic partitioning of polymerase activity on G-quadruplex DNA. Biochemistry. 2015 May 26; 54(20):3218-30. PMID: 25903680.
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Madadi NR, Zong H, Ketkar A, Zheng C, Penthala NR, Janganati V, Bommagani S, Eoff RL, Guzman ML, Crooks PA. Synthesis and evaluation of a series of resveratrol analogues as potent anti-cancer agents that target tubulin. Medchemcomm. 2015 May 01; 6(3):788-794. PMID: 26257861.
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Penthala NR, Zong H, Ketkar A, Madadi NR, Janganati V, Eoff RL, Guzman ML, Crooks PA. Synthesis, anticancer activity and molecular docking studies on a series of heterocyclic trans-cyanocombretastatin analogues as antitubulin agents. Eur J Med Chem. 2015 Mar 06; 92:212-20. PMID: 25557492.
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Zafar MK, Ketkar A, Lodeiro MF, Cameron CE, Eoff RL. Kinetic analysis of human PrimPol DNA polymerase activity reveals a generally error-prone enzyme capable of accurately bypassing 7,8-dihydro-8-oxo-2'-deoxyguanosine. Biochemistry. 2014 Oct 21; 53(41):6584-94. PMID: 25255211.
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Maddukuri L, Ketkar A, Eddy S, Zafar MK, Eoff RL. The Werner syndrome protein limits the error-prone 8-oxo-dG lesion bypass activity of human DNA polymerase kappa. Nucleic Acids Res. 2014 Oct 29; 42(19):12027-40. PMID: 25294835.
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Eddy S, Ketkar A, Zafar MK, Maddukuri L, Choi JY, Eoff RL. Human Rev1 polymerase disrupts G-quadruplex DNA. Nucleic Acids Res. 2014 Mar; 42(5):3272-85. PMID: 24366879.
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Coggins GE, Maddukuri L, Penthala NR, Hartman JH, Eddy S, Ketkar A, Crooks PA, Eoff RL. N-Aroyl indole thiobarbituric acids as inhibitors of DNA repair and replication stress response polymerases. ACS Chem Biol. 2013 Aug 16; 8(8):1722-9. PMID: 23679919.
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Ketkar A, Zafar MK, Maddukuri L, Yamanaka K, Banerjee S, Egli M, Choi JY, Lloyd RS, Eoff RL. Leukotriene biosynthesis inhibitor MK886 impedes DNA polymerase activity. Chem Res Toxicol. 2013 Feb 18; 26(2):221-32. PMID: 23305233.
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Ketkar A, Zafar MK, Banerjee S, Marquez VE, Egli M, Eoff RL. Differential furanose selection in the active sites of archaeal DNA polymerases probed by fixed-conformation nucleotide analogues. Biochemistry. 2012 Nov 13; 51(45):9234-44. PMID: 23050956.
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Maddukuri L, Ketkar A, Eddy S, Zafar MK, Griffin WC, Eoff RL. Enhancement of human DNA polymerase ? activity and fidelity is dependent upon a bipartite interaction with the Werner syndrome protein. J Biol Chem. 2012 Dec 07; 287(50):42312-23. PMID: 23045531.
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Ketkar A, Zafar MK, Banerjee S, Marquez VE, Egli M, Eoff RL. A nucleotide-analogue-induced gain of function corrects the error-prone nature of human DNA polymerase iota. J Am Chem Soc. 2012 Jun 27; 134(25):10698-705. PMID: 22632140.
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Jain MR, Li Q, Liu T, Rinaggio J, Ketkar A, Tournier V, Madura K, Elkabes S, Li H. Proteomic identification of immunoproteasome accumulation in formalin-fixed rodent spinal cords with experimental autoimmune encephalomyelitis. J Proteome Res. 2012 Mar 02; 11(3):1791-803. PMID: 22188123.
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Sandalli C, Singh K, Modak MJ, Ketkar A, Canakci S, Demir I, Belduz AO. A new DNA polymerase I from Geobacillus caldoxylosilyticus TK4: cloning, characterization, and mutational analysis of two aromatic residues. Appl Microbiol Biotechnol. 2009 Aug; 84(1):105-17. PMID: 19365630.
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Kukreti P, Singh K, Ketkar A, Modak MJ. Identification of a new motif required for the 3'-5' exonuclease activity of Escherichia coli DNA polymerase I (Klenow fragment): the RRRY motif is necessary for the binding of single-stranded DNA substrate and the template strand of the mismatched duplex. J Biol Chem. 2008 Jun 27; 283(26):17979-90. PMID: 18448432.
This graph shows the total number of publications by year, by first, middle/unknown, or last author.
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| Year | Publications |
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| 2008 | 1 | | 2009 | 1 | | 2012 | 4 | | 2013 | 3 | | 2014 | 3 | | 2015 | 4 | | 2016 | 3 | | 2017 | 1 | | 2018 | 2 | | 2019 | 1 | | 2021 | 4 |
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