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Narsimha Reddy Penthala

TitleResearch Instructor
InstitutionUniversity of Arkansas for Medical Sciences
DepartmentCollege of Pharmacy, College of Provost
DivisionPharmaceutical Science
Address140-2 Biomedical Research II
200 South Cedar
Mail Slot # 622
Little Rock AR 72202
Phone501-603-1357
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    Collapse Research Funds 
    Collapse research activities
    U01DA043908     (CROOKS, PETER)Aug 1, 2018 - Jul 31, 2019
    NIH/Nat. Inst. on Drug Abuse - Pass Through: University of Kentucky Research Foundation
    Development of Novel Therapeutics for Methamphetamine Abuse
    Role: Co-Investigator
    W81XWH-15-1-0716     (SMELTZER, MARK)Sep 30, 2015 - Sep 30, 2019
    US Department of Defense
    Enhancing the prevention and treatment of orthopaedic infections associated with traumatic injury
    Role: Co-Investigator
    R01CA140409     (CROOKS, PETER)Dec 1, 2011 - Dec 30, 2014
    NIH/Nat. Cancer Institute - Pass Through: Vanderbilt University
    Development of Small Molecule Radiation Sensitizers
    Role: Co-Investigator
    R01CA158275     (CROOKS, PETER ANTHONY)Jul 1, 2011 - May 31, 2016
    NIH/NCI
    Novel melampomagnolide B-based prodrugs for the treatment of leukemia
    Role: Co-Investigator
    P01AG012411     (GRIFFIN, SUE TILTON)Aug 1, 1997 - May 31, 2021
    NIH/NIA
    Early Events in Alzheimer Pathogenesis
    Role: Co-Investigator

    Collapse Bibliographic 
    Collapse selected publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions. Don't see publications published under other names? Login to add alternative names.
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    1. Yang JF, Williams AH, Penthala NR, Prather PL, Crooks PA, Zhan CG. Binding Modes and Selectivity of Cannabinoid 1 (CB1) and Cannabinoid 2 (CB2) Receptor Ligands. ACS Chem Neurosci. 2020 Sep 30. PMID: 32997485.
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    2. Penthala NR, Shoeib A, Dachavaram SS, Cabanlong CV, Yang J, Zhan CG, Prather PL, Crooks PA. 7-Azaindolequinuclidinones (7-AIQD): A novel class of cannabinoid 1 (CB1) and cannabinoid 2 (CB2) receptor ligands. Bioorg Med Chem Lett. 2020 Aug 31; 30(22):127501. PMID: 32882418.
      View in: PubMed
    3. Bowroju SK, Mainali N, Ayyadevara S, Penthala NR, Krishnamachari S, Kakraba S, Reis RJS, Crooks PA. Design and Synthesis of Novel Hybrid 8-Hydroxy Quinoline-Indole Derivatives as Inhibitors of Aß Self-Aggregation and Metal Chelation-Induced Aß Aggregation. Molecules. 2020 Aug 08; 25(16). PMID: 32784464.
      View in: PubMed
    4. Moore Ii JP, Dachavaram SS, Bommagani S, Penthala NR, Venkatraman P, Foster EJ, Crooks PA, A Hestekin J. Oxone®-Mediated TEMPO-Oxidized Cellulose Nanomaterials form I and form II. Molecules. 2020 Apr 17; 25(8). PMID: 32316421.
      View in: PubMed
    5. Kakraba S, Ayyadevara S, Penthala NR, Balasubramaniam M, Ganne A, Liu L, Alla R, Bommagani SB, Barger SW, Griffin WST, Crooks PA, Shmookler Reis RJ. A Novel Microtubule-Binding Drug Attenuates and Reverses Protein Aggregation in Animal Models of Alzheimer's Disease. Front Mol Neurosci. 2019; 12:310. PMID: 31920540.
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    6. Balasubramaniam M, Ayyadevara S, Ganne A, Kakraba S, Penthala NR, Du X, Crooks PA, Griffin ST, Shmookler Reis RJ. Aggregate Interactome Based on Protein Cross-linking Interfaces Predicts Drug Targets to Limit Aggregation in Neurodegenerative Diseases. iScience. 2019 Oct 25; 20:248-264. PMID: 31593839.
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    7. 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.
      View in: PubMed
    8. Ford BM, Cabanlong CV, Tai S, Franks LN, Penthala NR, Crooks PA, Prather PL, Fantegrossi WE. Reduced Tolerance and Asymmetrical Crosstolerance to Effects of the Indole Quinuclidinone Analog PNR-4-20, a G Protein-Biased Cannabinoid 1 Receptor Agonist in Mice: Comparisons with ?9-Tetrahydrocannabinol and JWH-018. J Pharmacol Exp Ther. 2019 05; 369(2):259-269. PMID: 30833484.
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    9. Marecki JC, Aarattuthodiyil S, Byrd AK, Penthala NR, Crooks PA, Raney KD. N-Naphthoyl-substituted indole thio-barbituric acid analogs inhibit the helicase activity of the hepatitis C virus NS3. Bioorg Med Chem Lett. 2019 02 01; 29(3):430-434. PMID: 30578035.
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    10. Bommagani S, Penthala NR, Balasubramaniam M, Kuravi S, Caldas-Lopes E, Guzman ML, Balusu R, Crooks PA. A novel tetrazole analogue of resveratrol is a potent anticancer agent. Bioorg Med Chem Lett. 2019 01 15; 29(2):172-178. PMID: 30528695.
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    11. Dachavaram SS, Penthala NR, Calahan JL, Munson EJ, Crooks PA. Highly sulphated cellulose: a versatile, reusable and selective desilylating agent for deprotection of alcoholic TBDMS ethers. Org Biomol Chem. 2018 08 22; 16(33):6057-6062. PMID: 30090907.
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    12. Yadlapalli JSK, Bommagani SB, Mahelona RD, Wan A, Gannon BM, Penthala NR, Dobretsov M, Crooks PA, Fantegrossi WE. Evaluation of morphine-like effects of the mixed mu/delta agonist morphine-6-O-sulfate in rats: Drug discrimination and physical dependence. Pharmacol Res Perspect. 2018 07; 6(4):e00403. PMID: 29930811.
      View in: PubMed
    13. 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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    14. 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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    15. Wang R, Bhat-Nakshatri P, Padua MB, Prasad MS, Anjanappa M, Jacobson M, Finnearty C, Sefcsik V, McElyea K, Redmond R, Sandusky G, Penthala N, Crooks PA, Liu J, Zimmers T, Nakshatri H. Pharmacological Dual Inhibition of Tumor and Tumor-Induced Functional Limitations in a Transgenic Model of Breast Cancer. . 2017 Dec; 16(12):2747-2758. PMID: 28978719.
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    16. Ford BM, Franks LN, Tai S, Fantegrossi WE, Stahl EL, Berquist MD, Cabanlong CV, Wilson CD, Penthala NR, Crooks PA, Prather PL. Characterization of structurally novel G protein biased CB1 agonists: Implications for drug development. Pharmacol Res. 2017 Nov; 125(Pt B):161-177. PMID: 28838808.
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    17. Bommagani S, Ponder J, Penthala NR, Janganati V, Jordan CT, Borrelli MJ, Crooks PA. Indole carboxylic acid esters of melampomagnolide B are potent anticancer agents against both hematological and solid tumor cells. Eur J Med Chem. 2017 Aug 18; 136:393-405. PMID: 28525840.
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    18. Penthala NR, Janganati V, Alpe TL, Apana SM, Berridge MS, Crooks PA, Borrelli MJ. N-[11CH3]Dimethylaminoparthenolide (DMAPT) uptake into orthotopic 9LSF glioblastoma tumors in the rat. Bioorg Med Chem Lett. 2016 12 15; 26(24):5883-5886. PMID: 27866815.
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    19. Han YS, Penthala NR, Oliveira M, Mesplède T, Xu H, Quan Y, Crooks PA, Wainberg MA. Identification of resveratrol analogs as potent anti-dengue agents using a cell-based assay. J Med Virol. 2017 03; 89(3):397-407. PMID: 27509184.
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    20. Penthala NR, Yadlapalli JK, Parkin S, Crooks PA. Crystal structures of (Z)-5-[2-(benzo[b]thio-phen-2-yl)-1-(3,5-di-meth-oxy-phen-yl)ethen-yl]-1H-tetra-zole and (Z)-5-[2-(benzo[b]thio-phen-3-yl)-1-(3,4,5-tri-meth-oxy-phen-yl)ethen-yl]-1H-tetra-zole. Acta Crystallogr E Crystallogr Commun. 2016 May 01; 72(Pt 5):652-5. PMID: 27308011.
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    21. 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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    22. Bommagani S, Penthala NR, Parkin S, Crooks PA. Crystal structure of (E)-13-(pyrimidin-5-yl)parthenolide. Acta Crystallogr E Crystallogr Commun. 2015 Dec 01; 71(Pt 12):1536-8. PMID: 26870423.
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    23. Janganati V, Ponder J, Jordan CT, Borrelli MJ, Penthala NR, Crooks PA. Dimers of Melampomagnolide B Exhibit Potent Anticancer Activity against Hematological and Solid Tumor Cells. J Med Chem. 2015 Nov 25; 58(22):8896-906. PMID: 26540463.
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    24. 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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    25. Wan A, Penthala NR, Fifer EK, Parkin S, Crooks PA. Comparison of the crystal structures of 4,4'-bis-[3-(4-methyl-piperidin-1-yl)prop-1-yn-1-yl]-1,1'-biphenyl and 4,4'-bis-[3-(2,2,6,6-tetra-methyl-piperidin-1-yl)prop-1-yn-1-yl]-1,1'-biphen-yl. Acta Crystallogr E Crystallogr Commun. 2015 Oct 01; 71(Pt 10):1132-5. PMID: 26594389.
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    26. Wan A, Penthala NR, Fifer EK, Parkin S, Crooks PA. Comparison crystal structure conformations of two structurally related biphenyl analogues: 4,4'-bis-[3-(pyrrolidin-1-yl)prop-1-yn-1-yl]-1,1'-biphenyl and 4,4'-bis-{3-[(S)-2-methyl-pyrrolidin-1-yl]prop-1-yn-1-yl}-1,1'-biphen-yl. Acta Crystallogr E Crystallogr Commun. 2015 Oct 01; 71(Pt 10):1147-50. PMID: 26594393.
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    27. 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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    28. Penthala NR, Madhukuri L, Thakkar S, Madadi NR, Lamture G, Eoff RL, Crooks PA. Synthesis and anti-cancer screening of novel heterocyclic-(2H)-1,2,3-triazoles as potential anti-cancer agents. Medchemcomm. 2015 Aug 01; 6(8):1535-1543. PMID: 27066215.
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    29. Penthala NR, Thakkar S, Crooks PA. Heteroaromatic analogs of the resveratrol analog DMU-212 as potent anti-cancer agents. Bioorg Med Chem Lett. 2015 Jul 15; 25(14):2763-7. PMID: 26022840.
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    30. 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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    31. Penthala NR, Crooks PA, Freeman ML, Sekhar KR. Development and validation of a novel assay to identify radiosensitizers that target nucleophosmin 1. Bioorg Med Chem. 2015 Jul 01; 23(13):3681-6. PMID: 25922180.
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    32. 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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    33. Jang DS, Penthala NR, Apostolov EO, Wang X, Crooks PA, Basnakian AG. Novel cytoprotective inhibitors for apoptotic endonuclease G. DNA Cell Biol. 2015 Feb; 34(2):92-100. PMID: 25401220.
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    34. Penthala NR, Madadi NR, Bommagani S, Parkin S, Crooks PA. Comparison of crystal structures of 4-(benzo[b]thio-phen-2-yl)-5-(3,4,5-tri-meth-oxy-phen-yl)-2H-1,2,3-triazole and 4-(benzo[b]thio-phen-2-yl)-2-methyl-5-(3,4,5-tri-meth-oxy-phen-yl)-2H-1,2,3-triazole. Acta Crystallogr Sect E Struct Rep Online. 2014 Nov 01; 70(Pt 11):392-5. PMID: 25484755.
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    35. Jang DS, Penthala NR, Apostolov EO, Wang X, Fahmi T, Crooks PA, Basnakian AG. Novel high-throughput deoxyribonuclease 1 assay. J Biomol Screen. 2015 Feb; 20(2):202-11. PMID: 25326282.
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    36. Penthala NR, Madadi NR, Janganati V, Crooks PA. L-Proline catalyzed one-step synthesis of 4,5-diaryl-2H-1,2,3-triazoles from heteroaryl cyanostilbenes via [3+2] cycloaddition of azide. Tetrahedron Lett. 2014 Oct 01; 55(40):5562-5565. PMID: 25267862.
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    37. Madadi NR, Penthala NR, Bommagani S, Parkin S, Crooks PA. Crystal structure of 4,5-bis-(3,4,5-tri-meth-oxy-phen-yl)-2H-1,2,3-triazole methanol monosolvate. Acta Crystallogr Sect E Struct Rep Online. 2014 Oct 01; 70(Pt 10):o1128-9. PMID: 25484710.
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    38. Penthala NR, Bommagani S, Janganati V, Parkin S, Crooks PA. Crystal structure of (E)-13-{4-[(Z)-2-cyano-2-(3,4,5-tri-meth-oxy-phen-yl)ethen-yl]phen-yl}parthenolide methanol hemisolvate. Acta Crystallogr Sect E Struct Rep Online. 2014 Oct 01; 70(Pt 10):o1092-3. PMID: 25484689.
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    39. Penthala NR, Bommagani S, Janganati V, MacNicol KB, Cragle CE, Madadi NR, Hardy LL, MacNicol AM, Crooks PA. Heck products of parthenolide and melampomagnolide-B as anticancer modulators that modify cell cycle progression. Eur J Med Chem. 2014 Oct 06; 85:517-25. PMID: 25117652.
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    40. Sekhar KR, Benamar M, Venkateswaran A, Sasi S, Penthala NR, Crooks PA, Hann SR, Geng L, Balusu R, Abbas T, Freeman ML. Targeting nucleophosmin 1 represents a rational strategy for radiation sensitization. Int J Radiat Oncol Biol Phys. 2014 Aug 01; 89(5):1106-1114. PMID: 25035215.
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    41. Janganati V, Penthala NR, Madadi NR, Chen Z, Crooks PA. Anti-cancer activity of carbamate derivatives of melampomagnolide B. Bioorg Med Chem Lett. 2014 Aug 01; 24(15):3499-502. PMID: 24928404.
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    42. Franks LN, Ford BM, Madadi NR, Penthala NR, Crooks PA, Prather PL. Characterization of the intrinsic activity for a novel class of cannabinoid receptor ligands: Indole quinuclidine analogs. Eur J Pharmacol. 2014 Aug 15; 737:140-8. PMID: 24858620.
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    43. Janganati V, Penthala NR, Cragle CE, MacNicol AM, Crooks PA. Heterocyclic aminoparthenolide derivatives modulate G(2)-M cell cycle progression during Xenopus oocyte maturation. Bioorg Med Chem Lett. 2014 Apr 15; 24(8):1963-7. PMID: 24656611.
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    44. Janganati V, Penthala NR, Madadi NR, Parkin S, Crooks PA. Monosuccinate ester of melampomagnolide B. Acta Crystallogr Sect E Struct Rep Online. 2014 Mar 01; 70(Pt 3):o372-3. PMID: 24765054.
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    45. Penthala NR, Bommagani S, Janganati V, Parkin S, Crooks PA. (E)-13-(2-Bromo-phen-yl)micheliolide. Acta Crystallogr Sect E Struct Rep Online. 2014 Mar 01; 70(Pt 3):o251-2. PMID: 24764970.
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    46. Madadi NR, Penthala NR, Janganati V, Crooks PA. Synthesis and anti-proliferative activity of aromatic substituted 5-((1-benzyl-1H-indol-3-yl)methylene)-1,3-dimethylpyrimidine-2,4,6(1H,3H,5H)-trione analogs against human tumor cell lines. Bioorg Med Chem Lett. 2014 Jan 15; 24(2):601-3. PMID: 24361000.
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    47. Bommagani S, Penthala NR, Janganati V, Parkin S, Crooks PA. 13-(N,N-Di-methyl-amino)-micheliolide 0.08-hydrate. Acta Crystallogr Sect E Struct Rep Online. 2013 Nov 20; 69(Pt 12):o1789-90. PMID: 24454230.
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    48. Janganati V, Penthala NR, Parkin S, Crooks PA. 13-(Imidazol-1-yl)-11,13-di-hydro-melampomagnolide B monohydrate. Acta Crystallogr Sect E Struct Rep Online. 2013 Nov 06; 69(Pt 12):o1734-5. PMID: 24454194.
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    49. Penthala NR, Janganati V, Parkin S, Varughese KI, Crooks PA. (E)-13-(4-Amino-phen-yl)parthenolide. Acta Crystallogr Sect E Struct Rep Online. 2013 Oct 26; 69(Pt 11):o1709-10. PMID: 24454134.
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    50. Ding D, Nickell JR, Deaciuc AG, Penthala NR, Dwoskin LP, Crooks PA. Synthesis and evaluation of novel azetidine analogs as potent inhibitors of vesicular [3H]dopamine uptake. Bioorg Med Chem. 2013 Nov 01; 21(21):6771-7. PMID: 23993667.
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    51. Penthala NR, Sonar VN, Horn J, Leggas M, Yadlapalli JS, Crooks PA. Synthesis and evaluation of a series of benzothiophene acrylonitrile analogs as anticancer agents. Medchemcomm. 2013 Jul 01; 4(7):1073-1078. PMID: 23956835.
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    52. Penthala NR, Ponugoti PR, Nickell JR, Deaciuc AG, Dwoskin LP, Crooks PA. Pyrrolidine analogs of GZ-793A: synthesis and evaluation as inhibitors of the vesicular monoamine transporter-2 (VMAT2). Bioorg Med Chem Lett. 2013 Jun 01; 23(11):3342-5. PMID: 23597792.
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    53. Zheng G, Horton DB, Penthala NR, Nickell JR, Culver JP, Deaciuc AG, Dwoskin LP, Crooks PA. Exploring the effect of N-substitution in nor-lobelane on the interaction with VMAT2: discovery of a potential clinical candidate for treatment of methamphetamine abuse. Medchemcomm. 2013 Mar; 4(3):564-568. PMID: 23527317.
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    54. Madadi NR, Penthala NR, Brents LK, Ford BM, Prather PL, Crooks PA. Evaluation of (Z)-2-((1-benzyl-1H-indol-3-yl)methylene)-quinuclidin-3-one analogues as novel, high affinity ligands for CB1 and CB2 cannabinoid receptors. Bioorg Med Chem Lett. 2013 Apr 01; 23(7):2019-21. PMID: 23466226.
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    55. Penthala NR, Crooks PA. rac-5-Bromo-N-benzyl-isatincreatinine ethanol monosolvate. Acta Crystallogr Sect E Struct Rep Online. 2013 Feb 01; 69(Pt 2):o288-9. PMID: 23424559.
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    56. Penthala NR, Crooks PA. rac-N-Benzyl-isatincreatinine (unknown solvate). Acta Crystallogr Sect E Struct Rep Online. 2013 Feb 01; 69(Pt 2):o290-1. PMID: 23424560.
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    57. Penthala NR, Ponugoti PR, Kasam V, Crooks PA. 5-((1-Aroyl-1H-indol-3-yl)methylene)-2-thioxodihydropyrimidine-4,6(1H,5H)-diones as potential anticancer agents with anti-inflammatory properties. Bioorg Med Chem Lett. 2013 Mar 01; 23(5):1442-6. PMID: 23339966.
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    58. Penthala NR, Ponugoti PR, Parkin S, Crooks PA. rac-(Z)-Methyl 1-benzyl-3-[(3-hy-droxy-quinuclidin-2-yl-idene)meth-yl]-1H-indole-6-carboxyl-ate. Acta Crystallogr Sect E Struct Rep Online. 2012 Nov 01; 68(Pt 11):o3111. PMID: 23284437.
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    59. Penthala NR, Parkin S, Crooks PA. (Z)-3-(1-Benzofuran-2-yl)-2-(3,4,5-tri-meth-oxy-phen-yl)acrylonitrile. Acta Crystallogr Sect E Struct Rep Online. 2012 Mar 01; 68(Pt 3):o731. PMID: 22412613.
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    60. Penthala NR, Parkin S, Crooks PA. (Z)-3-(1H-Indol-3-yl)-2-(3,4,5-tri-methoxy-phen-yl)acrylonitrile. Acta Crystallogr Sect E Struct Rep Online. 2012 Mar 01; 68(Pt 3):o729. PMID: 22412611.
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    61. Ponugoti PR, Penthala NR, Dwoskin LP, Parkin S, Crooks PA. cis-1-Benzyl-pyrrolidine-2,5-dicarbonitrile. Acta Crystallogr Sect E Struct Rep Online. 2011 Apr 01; 67(Pt 4):o747. PMID: 21754044.
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    62. Ponugoti PR, Penthala NR, Dwoskin LP, Parkin S, Crooks PA. cis-2,5-Bis(2-fluoro-5-meth-oxy-pheneth-yl)pyrrolidinium formate. Acta Crystallogr Sect E Struct Rep Online. 2011 Feb 26; 67(Pt 3):o737. PMID: 21522476.
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    63. Penthala NR, Reddy TR, Parkin S, Crooks PA. (2Z,3E)-2-{[1-(4-Chloro-benz-yl)-1H-indol-3-yl]methyl-idene}quinuclidin-3-one oxime. Acta Crystallogr Sect E Struct Rep Online. 2011 Feb 26; 67(Pt 3):o735. PMID: 21522474.
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    64. Penthala NR, Yerramreddy TR, Crooks PA. Synthesis and in vitro screening of novel N-benzyl aplysinopsin analogs as potential anticancer agents. Bioorg Med Chem Lett. 2011 Mar 01; 21(5):1411-3. PMID: 21295476.
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    65. Madadi NR, Reddy TR, Penthala NR, Parkin S, Crooks PA. (Z)-2-Amino-5-[2,4-dimeth-oxy-6-(4-methoxy-styr-yl)benzyl-idene]-1,3-thia-zol-4(5H)-one methanol solvate. Acta Crystallogr Sect E Struct Rep Online. 2010 Jun 26; 66(Pt 7):o1792. PMID: 21588002.
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    66. Penthala NR, Eldridge J, Reddy TR, Parkin S, Crooks PA. (E,E)-1-Methyl-2,6-distyrylpyridinium iodide. Acta Crystallogr Sect E Struct Rep Online. 2010 Jun 26; 66(Pt 7):o1793. PMID: 21588003.
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    67. Penthala NR, Yerramreddy TR, Madadi NR, Crooks PA. Synthesis and in vitro evaluation of N-alkyl-3-hydroxy-3-(2-imino-3-methyl-5-oxoimidazolidin-4-yl)indolin-2-one analogs as potential anticancer agents. Bioorg Med Chem Lett. 2010 Aug 01; 20(15):4468-71. PMID: 20598531.
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    68. Yerramreddy TR, Milewski M, Penthala NR, Stinchcomb AL, Crooks PA. Novel 3-O-pegylated carboxylate and 3-O-pegylated carbamate prodrugs of naltrexone for microneedle-enhanced transdermal delivery. Bioorg Med Chem Lett. 2010 Jun 01; 20(11):3280-3. PMID: 20451376.
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    69. Penthala NR, Yerramreddy TR, Crooks PA. Microwave assisted synthesis and in vitro cytotoxicities of substituted (Z)-2-amino-5-(1-benzyl-1H-indol-3-yl)methylene-1-methyl-1H-imidazol-4(5H)-ones against human tumor cell lines. Bioorg Med Chem Lett. 2010 Jan 15; 20(2):591-3. PMID: 20006496.
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    70. Penthala NR, Reddy TR, Parkin S, Crooks PA. 3-(2-Amino-1-methyl-4-oxo-4,5-dihydro-1H-imidazol-5-yl)-5-fluoro-3-hydr-oxy-1-methyl-indolin-2-one methanol hemisolvate. Acta Crystallogr Sect E Struct Rep Online. 2009 Oct 31; 65(Pt 11):o2909-10. PMID: 21578489.
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    71. Penthala NR, Reddy TR, Parkin S, Crooks PA. 3-(2-Amino-1-methyl-4-oxo-4,5-dihydro-1H-imidazol-5-yl)-3-hydr-oxy-1-phenyl-indolin-2-one ethanol solvate. Acta Crystallogr Sect E Struct Rep Online. 2009 Sep 12; 65(Pt 10):o2439-40. PMID: 21577895.
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    72. Penthala NR, Reddy TR, Parkin S, Crooks PA. rac-2-(2-Amino-4-oxo-4,5-dihydro-1,3-thia-zol-5-yl)-2-hydroxy-indane-1,3-dione. Acta Crystallogr Sect E Struct Rep Online. 2009 Jul 18; 65(Pt 8):o1877. PMID: 21583571.
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    73. Penthala NR, Reddy TR, Parkin S, Crooks PA. 3-(2-Amino-1-methyl-4-oxo-4,5-dihydro-1H-imidazol-5-yl)-3-hydroxy-indolin-2-one monohydrate. Acta Crystallogr Sect E Struct Rep Online. 2009 Feb 21; 65(Pt 3):o552. PMID: 21582211.
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    74. Penthala NR, Reddy TR, Parkin S, Crooks PA. (Z)-Methyl 4-({3-[(2,5-dioxoimidazolidin-4-yl-idene)meth-yl]-1H-indol-1-yl}meth-yl)benzoate. Acta Crystallogr Sect E Struct Rep Online. 2008 Dec 10; 65(Pt 1):o62-3. PMID: 21581703.
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    75. Penthala NR, Reddy TR, Parkin S, Crooks PA. (Z)-4-[3-(2,5-Dioxoimidazolidin-4-ylidenemeth-yl)-1H-indol-1-ylmeth-yl]benzonitrile. Acta Crystallogr Sect E Struct Rep Online. 2008 Oct 18; 64(Pt 11):o2122. PMID: 21580984.
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    76. Reddy TR, Penthala NR, Parkin S, Crooks PA. (Z)-Methyl 4-[3-(3-oxoquinuclidin-2-yl-idenemeth-yl)-1H-indol-1-ylmeth-yl]benzoate. Acta Crystallogr Sect E Struct Rep Online. 2008 Oct 04; 64(Pt 11):o2050. PMID: 21580918.
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    77. Reddy TR, Penthala NR, Parkin S, Crooks PA. (Z)-4-[3-(3-Oxoquinuclidin-2-ylidene-meth-yl)-1H-indol-1-ylmeth-yl]benzo-nitrile. Acta Crystallogr Sect E Struct Rep Online. 2008 Oct 04; 64(Pt 11):o2049. PMID: 21580917.
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