Katherine Seley-Radtke is an American medicinal chemist who specializes in the discovery and design of novel nucleoside or nucleotide based enzyme inhibitors that may be used to treat infections or cancer. She has authored over 90 peer-reviewed publications,is an inventor of five issued US patents, and is a professor in the department of chemistry and biochemistry at the University of Maryland, Baltimore County.[1] Her international impact includes scientific collaborations, policy advising and diplomatic appointments in biosecurity efforts.

Scientific contributions

A pioneer of the "fleximer" class of nucleoside analogs,[2] Seley-Radtke has designed, synthesized and developed a broad range of enzyme inhibitors that have applications as potential therapeutics in treatment of cancer and of infections with viruses. parasites and bacteria. Her lab has identified a series of flexible acyclic nucleosides with prodrug forms which demonstrate activity against coronaviruses, including SARS and MERS,[3] the first known nucleoside analog inhibitors of these viruses. The flexibility of these inhibitors enables binding of the active site as well as amino acid residues outside of the active site which is believed to help reduce emergence of resistance.

A world renowned leader in nucleoside chemistry and in the application of nucleoside analogs to therapeutics, Seley-Radtke has been active in the International Society for Antiviral Research (ISAR), and has organized and chaired a number of Gordon Research Conferences. In addition she actively reviews grant applications for the NIH and has served as co-chair for NIH study sections. She is serving as President-elect, International Society for Antiviral Research (ISAR),[4] has co-chaired two Gordon Research Conferences. Seley-Radtke actively reviews grants for the NIH.

Widely published herself (see "Representative Publications" below), Seley-Radtke is a peer-reviewer for manuscripts submitted for over 60 different scientific publications. She has been an Associate Editor of Antiviral Chemistry & Chemotherapy since 2016[5] and has served on the editorial boards of Current Protocols in Chemical Biology (Associate Editor); Research and Reports in Medicinal Chemistry (Editorial Board, 2011–2013); Clinical Medicine Insights, and Therapeutics (Editorial Board).

Education

Growing up in Erie, PA, Seley-Radtke pursued science from an early age. Her high school education included a combined program at Gannon University where she carried out a mouse breeding experiment involving over 200 mice in her family home.[6] She graduated from high school at the age of 15. She enrolled in college at Penn State, but only attended college part-time when she married at 18, moved and had two children. She returned to college full-time when her daughters reached junior high, and completed her BA with honors from the University of South Florida in 1992.[7] By then her scientific interests were focused on chemistry and she pursued her PhD in the laboratory of Stewart Schneller,[8] first at USF and then at Auburn University.

International and diplomatic activities

Seley-Radtke has been actively involved in diplomatic efforts between Russia and the US Departments of Health and Human Services and Defense to reduce proliferation threats through scientific collaboration. She served as a Jefferson Fellow of the National Academy of Sciences with a specific assignment in the Office of Cooperative Threat Reduction.[9] Much of her diplomatic work involves addressing scientific issues such as emerging infectious disease threats with Russian leaders.[7] She has worked for the US Dept. of State as a Senior Science advisor, and has served as an advisor on the HHS/DoD Cooperative Threat Reduction (CTR) Program with Russia, Smallpox projects, 2001–2009.[7]

An active leader of international science communities, Seley-Radtke has held various positions on the board of the International Society of Antiviral Research (ISAR)[10] where she is the president elect for 2020–2022. She is also the elected Secretary for the International Society of Nucleosides, Nucleotides & Nucleic Acids (IS3NA), 2019–2023.

Awards and honors

Seley-Radtke has won awards for her teaching and mentoring and her research has established her as an international expert in antiviral chemotherapy. Her work has been recognized with the following awards and honors:

  • 2020                International Society for Antiviral Research (ISAR) Antonín Holý Memorial Award[11]
  • 2017                USM Regents’ Faculty Award for Excellence in Research[12]
  • 2016                Maryland Chemist of the Year, American Chemical Society[13]
  • 2015–2018       UMBC Presidential Research Professor[14]
  • 2015                Outstanding Chemistry Alumni Award, University of South Florida[15]
  • 2011                Outstanding Faculty Member of the Year, UMBC Honors College students
  • 2008–2010       Inaugural Faculty Fellow, UMBC Honors College Program
  • 2006                NAS Jefferson Science Fellow, U.S. Department of State[16]
  • 2006                Distinguished Faculty Award, The National Society of Collegiate Scholars
  • 2003                ACS PROGRESS Lectureship in Chemical Sciences Award
  • 2002                "Class Of 1940 W. Howard Ector Outstanding Teacher" Georgia Institute of Technology ($10,000 prize)
  • 1998                Outstanding Faculty Award, Cardinal Key Honor Society, Auburn University
  • 1997                Sigma Xi Outstanding Dissertation, Auburn University
  • 1997                Carolyn Taylor Carr Award, Auburn University

Publications

Seley-Radtke has authored over 90 peer-reviewed publications which have been cited over 1600 times, with an h-index of 22.[17] She is also the inventor on five issued US Patents.[18] Here are some representative publications:

  1. Seley-Radtke K. Discovery, Design, Synthesis, and Application of Nucleoside/Nucleotides. Molecules. 2020;25(7):1526. Published 2020 Mar 27.10.3390/molecules25071526[19]
  2. Yates MK, Chatterjee P, Flint M, et al. Probing the Effects of Pyrimidine Functional Group Switches on Acyclic Fleximer Analogues for Antiviral Activity. Molecules. 2019;24(17):3184. Published 2019 Sep 2.[20]
  3. Ku T, Lopresti N, Shirley M, et al. Synthesis of distal and proximal fleximer base analogues and evaluation in the nucleocapsid protein of HIV-1. Bioorg Med Chem. 2019;27(13):2883–92.[21]
  4. Seley-Radtke K, Deval J. Advances in antiviral nucleoside analogues and their prodrugs. Antivir Chem Chemother. 2018 Jan–Dec;26:2040206618781410. doi: 10.1177/2040206618781410. PMID 29890841 [22]
  5. Seley-Radtke, Katherine (2018). "Flexibility-Not just for yoga anymore!". Antiviral Chemistry & Chemotherapy. 26:1–12.[3]
  6. Temburnikar K, Seley-Radtke KL. Recent advances in synthetic approaches for medicinal chemistry of C-nucleosides. Beilstein J Org Chem. 2018 Apr 5;14:772–85.[23]
  7. Khandazhinskaya AL, Alexandrova LA, Matyugina ES, Solyev PN, Efremenkova OV, Buckheit KW, Wilkinson M, Buckheit RW Jr, Chernousova LN, Smirnova TG, Andreevskaya SN, Leonova OG, Popenko VI, Kochetkov SN, Seley-Radtke KL. Molecules. Novel 5'-Norcarbocyclic Pyrimidine Derivatives as Antibacterial Agents.2018 Nov 23;23(12):3069.[24]
  8. Cawrse BM, Lapidus RS, Cooper B, Choi EY, Seley-Radtke KL. Anticancer Properties of Halogenated Pyrrolo[3,2-d]pyrimidines with Decreased Toxicity via N5 Substitution. ChemMedChem. 2018;13(2):178–85.[25]
  9. Geisman AN, Valuev-Elliston VT, Ozerov AA, et al. 1,6-Bis[(benzyloxy)methyl]uracil derivatives-Novel antivirals with activity against HIV-1 and influenza H1N1 virus. Bioorg Med Chem. 2016;24(11):2476–85.[26]
  10. Chen Z, Jochmans D, Ku T, Paeshuyse J, Neyts J, Seley-Radtke KL. Bicyclic and Tricyclic "Expanded" Nucleobase Analogues of Sofosbuvir: New Scaffolds for Hepatitis C Therapies. ACS Infect Dis. 2015;1(8):357–66.[27]
  11. Chen Z, Ku TC, Seley-Radtke KL. Thiophene-expanded guanosine analogues of Gemcitabine. Bioorg Med Chem Lett. 2015;25(19):4274–76.[28]
  12. Babkov DA, Valuev-Elliston VT, Paramonova MP, et al. Scaffold hopping: exploration of acetanilide-containing uracil analogues as potential NNRTIs. Bioorg Med Chem. 2015;23(5):1069–81.[29]
  13. Seley-Radtke KL, Sunkara NK. Carbocyclic thymidine analogues for use as potential therapeutic agents. Nucleosides Nucleotides Nucleic Acids. 2009;28(5):633–41.[30]
  14. O'Daniel PI, Jefferson M, Wiest O, Seley-Radtke KL. A computational study of expanded heterocyclic nucleosides in DNA. J Biomol Struct Dyn. 2008;26(3):283–92.[31]
  15. Katherine L Seley, Liang Zhang, Asmerom Hagos, and Stephen Quirk. Fleximers: design and synthesis of a new class of novel shape-modified nucleosides. Journal of Organic Chemistry, 2002 67 (10), 3365–73.[2]

References

  1. "UMBC Dept of Chemistry & Biochemistry website for Professor Katherine L. Seley-Radtke".
  2. 1 2 Seley, Katherine L; Zhang, Liang; Hagos, Asmerom; Quirk, Stephen (2002). ""Fleximers". Design and Synthesis of a New Class of Novel Shape-Modified Nucleosides 1". The Journal of Organic Chemistry. 67 (10): 3365–73. doi:10.1021/jo0255476. ISSN 0022-3263. PMID 12003548.
  3. 1 2 Seley-Radtke, Katherine (2018). "Flexibility—Not just for yoga anymore!". Antiviral Chemistry and Chemotherapy. 26: 204020661875678. doi:10.1177/2040206618756788. ISSN 2040-2066. PMC 5890542. PMID 29466861.
  4. "IS3NA".
  5. "Antiviral Chemistry and Chemotherapy editorial board". 27 October 2015.
  6. "ISAR News" (PDF).
  7. 1 2 3 "Auburn University, COSAM member spotlight".
  8. "Schneller Group at Auburn University".
  9. "Office of Cooperative Threat Reduction in the Bureau of International Security and Nonproliferation".
  10. "International Society of Antiviral Research".
  11. "ISAR 2020 ward Recipients".
  12. "USMBC regents awards".
  13. "Maryland Chemist of the Year, UMBC news". 12 January 2017.
  14. "USMBC award news".
  15. "University of South Florida Chemistry News, Spring 2015" (PDF).
  16. "ISAR 2020 Award recipients".
  17. "Katherine Seley-Radtke - Google Scholar". scholar.google.com. Retrieved 2020-07-21.
  18. "US Patent Office Issued patents for Katherine Radtke".
  19. Seley-Radtke, Katherine (2020-03-27). "Discovery, Design, Synthesis, and Application of Nucleoside/Nucleotides". Molecules. 25 (7): 1526. doi:10.3390/molecules25071526. ISSN 1420-3049. PMC 7181063. PMID 32230805.
  20. Yates, Mary K; Chatterjee, Payel; Flint, Mike; Arefeayne, Yafet; Makuc, Damjan; Plavec, Janez; Spiropoulou, Christina F; Seley-Radtke, Katherine L (2019-09-02). "Probing the Effects of Pyrimidine Functional Group Switches on Acyclic Fleximer Analogues for Antiviral Activity". Molecules. 24 (17): 3184. doi:10.3390/molecules24173184. ISSN 1420-3049. PMC 6749450. PMID 31480658.
  21. Ku, Therese; Lopresti, Natalie; Shirley, Matthew; Mori, Mattia; Marchant, Jan; Heng, Xiao; Botta, Maurizio; Summers, Michael F; Seley-Radtke, Katherine L. (2019). "Synthesis of distal and proximal fleximer base analogues and evaluation in the nucleocapsid protein of HIV-1". Bioorganic & Medicinal Chemistry. 27 (13): 2883–92. doi:10.1016/j.bmc.2019.05.019. PMC 6556414. PMID 31126822.
  22. Seley-Radtke, Katherine; Deval, Jerome (2018). "Advances in antiviral nucleoside analogues and their prodrugs". Antiviral Chemistry & Chemotherapy. 26: 2040206618781410. doi:10.1177/2040206618781410. ISSN 2040-2066. PMC 6024498. PMID 29890841.
  23. Temburnikar, Kartik; Seley-Radtke, Katherine L (2018). "Recent advances in synthetic approaches for medicinal chemistry of C-nucleosides". Beilstein Journal of Organic Chemistry. 14: 772–85. doi:10.3762/bjoc.14.65. ISSN 1860-5397. PMC 5905277. PMID 29719574.
  24. Khandazhinskaya, Anastasia; Alexandrova, Liudmila; Matyugina, Elena; Solyev, Pavel; Efremenkova, Olga; Buckheit, Karen; Wilkinson, Maggie; Buckheit, Robert; Chernousova, Larisa; Smirnova, Tatiana; Andreevskaya, Sofya (2018-11-23). "Novel 5′-Norcarbocyclic Pyrimidine Derivatives as Antibacterial Agents". Molecules. 23 (12): 3069. doi:10.3390/molecules23123069. ISSN 1420-3049. PMC 6321083. PMID 30477147.
  25. Cawrse, Brian M; Lapidus, Rena S; Cooper, Brandon; Choi, Eun Yong; Seley-Radtke, Katherine L. (2018-01-22). "Anticancer Properties of Halogenated Pyrrolo[3,2- d ]pyrimidines with Decreased Toxicity via N5 Substitution". ChemMedChem. 13 (2): 178–85. doi:10.1002/cmdc.201700641. PMC 5912934. PMID 29193845.
  26. Geisman, Alexander N; Valuev-Elliston, Vladimir T; Ozerov, Alexander A; Khandazhinskaya, Anastasia L; Chizhov, Alexander O; Kochetkov, Sergey N; Pannecouque, Christophe; Naesens, Lieve; Seley-Radtke, Katherine L; Novikov, Mikhail S. (2016). "1,6-Bis[(benzyloxy)methyl]uracil derivatives—Novel antivirals with activity against HIV-1 and influenza H1N1 virus". Bioorganic & Medicinal Chemistry. 24 (11): 2476–85. doi:10.1016/j.bmc.2016.04.010. PMID 27112451.
  27. Chen, Zhe; Jochmans, Dirk; Ku, Therese; Paeshuyse, Jan; Neyts, Johan; Seley-Radtke, Katherine L. (2015-08-14). "Bicyclic and Tricyclic "Expanded" Nucleobase Analogues of Sofosbuvir: New Scaffolds for Hepatitis C Therapies". ACS Infectious Diseases. 1 (8): 357–66. doi:10.1021/acsinfecdis.5b00029. ISSN 2373-8227. PMID 27624884.
  28. Chen, Zhe; Ku, Therese C; Seley-Radtke, Katherine L (2015). "Thiophene-expanded guanosine analogues of Gemcitabine". Bioorganic & Medicinal Chemistry Letters. 25 (19): 4274–76. doi:10.1016/j.bmcl.2015.07.086. PMC 4579529. PMID 26316465.
  29. Babkov, Denis A; Valuev-Elliston, Vladimir T; Paramonova, Maria P; Ozerov, Alexander A; Ivanov, Alexander V; Chizhov, Alexander O; Khandazhinskaya, Anastasia L; Kochetkov, Sergey N; Balzarini, Jan; Daelemans, Dirk; Pannecouque, Christophe. (2015). "Scaffold hopping: Exploration of acetanilide-containing uracil analogues as potential NNRTIs". Bioorganic & Medicinal Chemistry. 23 (5): 1069–81. doi:10.1016/j.bmc.2015.01.002. PMID 25638501.
  30. Seley-Radtke, Katherine L; Sunkara, Naresh K (2009-08-11). "Carbocyclic Thymidine Analogues for Use as Potential Therapeutic Agents". Nucleosides, Nucleotides and Nucleic Acids. 28 (5–7): 633–641. doi:10.1080/15257770903091920. ISSN 1525-7770. PMC 3701155. PMID 20183606.
  31. O'Daniel, Peter I; Jefferson, Malcolm; Wiest, Olaf; Seley-Radtke, Katherine L. (2008). "A Computational Study of Expanded Heterocyclic Nucleosides in DNA". Journal of Biomolecular Structure and Dynamics. 26 (3): 283–92. doi:10.1080/07391102.2008.10507243. ISSN 0739-1102. PMC 2593457. PMID 18808194.
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