Mekala Gunaratnam - Publications

Affiliations: 
2001-2014 School of Pharmacy University College London, London, United Kingdom 

51 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2018 Gunaratnam M, Collie GW, Reszka AP, Todd AK, Parkinson GN, Neidle S. A naphthalene diimide G-quadruplex ligand inhibits cell growth and down-regulates BCL-2 expression in an imatinib-resistant gastrointestinal cancer cell line. Bioorganic & Medicinal Chemistry. PMID 29724653 DOI: 10.1016/J.Bmc.2018.04.050  0.577
2018 Marchetti C, Zyner KG, Ohnmacht SA, Robson M, Haider SM, Morton JP, Marsico G, Vo T, Laughlin-Toth S, Ahmed AA, Di Vita G, Pazitna I, Gunaratnam M, Besser RJ, Andrade AC, et al. Targeting multiple effector pathways in pancreatic ductal adenocarcinoma with a G-quadruplex-binding small molecule. Journal of Medicinal Chemistry. PMID 29356532 DOI: 10.1021/Acs.Jmedchem.7B01781  0.607
2015 Roe S, Gunaratnam M, Spiteri C, Sharma P, Alharthy RD, Neidle S, Moses JE. Synthesis and biological evaluation of hybrid acridine-HSP90 ligand conjugates as telomerase inhibitors. Organic & Biomolecular Chemistry. PMID 26156660 DOI: 10.1039/C5Ob01177A  0.555
2015 Ohnmacht SA, Marchetti C, Gunaratnam M, Besser RJ, Haider SM, Di Vita G, Lowe HL, Mellinas-Gomez M, Diocou S, Robson M, Šponer J, Islam B, Pedley RB, Hartley JA, Neidle S. A G-quadruplex-binding compound showing anti-tumour activity in an in vivo model for pancreatic cancer. Scientific Reports. 5: 11385. PMID 26077929 DOI: 10.1038/Srep11385  0.591
2015 Marchetti C, Minarini A, Tumiatti V, Moraca F, Parrotta L, Alcaro S, Rigo R, Sissi C, Gunaratnam M, Ohnmacht SA, Neidle S, Milelli A. Macrocyclic naphthalene diimides as G-quadruplex binders. Bioorganic & Medicinal Chemistry. 23: 3819-30. PMID 25935290 DOI: 10.1016/J.Bmc.2015.03.076  0.659
2015 Lavrado J, Brito H, Borralho PM, Ohnmacht SA, Kim NS, Leitão C, Pisco S, Gunaratnam M, Rodrigues CM, Moreira R, Neidle S, Paulo A. KRAS oncogene repression in colon cancer cell lines by G-quadruplex binding indolo[3,2-c]quinolines. Scientific Reports. 5: 9696. PMID 25853628 DOI: 10.1038/Srep09696  0.636
2015 Lavrado J, Ohnmacht SA, Correia I, Leitão C, Pisco S, Gunaratnam M, Moreira R, Neidle S, Santos DJ, Paulo A. Indolo[3,2-c]quinoline G-quadruplex stabilizers: a structural analysis of binding to the human telomeric G-quadruplex. Chemmedchem. 10: 836-49. PMID 25820698 DOI: 10.1002/Cmdc.201500067  0.583
2015 Ohnmacht SA, Marchetti C, Gunaratnam M, Besser RJ, Haider SM, Di Vita G, Lowe HL, Mellinas-Gomez M, Diocou S, Robson M, Šponer J, Islam B, Barbara Pedley R, Hartley JA, Neidle S. A G-quadruplex-binding compound showing anti-tumour activity in an in vivo model for pancreatic cancer Scientific Reports. 5. DOI: 10.1038/srep11385  0.562
2015 Marchetti C, Minarini A, Tumiatti V, Moraca F, Parrotta L, Alcaro S, Rigo R, Sissi C, Gunaratnam M, Ohnmacht SA, Neidle S, Milelli A. Macrocyclic naphthalene diimides as G-quadruplex binders Bioorganic and Medicinal Chemistry. 23: 3819-3830. DOI: 10.1016/j.bmc.2015.03.076  0.476
2015 Lavrado J, Ohnmacht SA, Correia I, Leitão C, Pisco S, Gunaratnam M, Moreira R, Neidle S, Santos DJVAD, Paulo A. Indolo[3,2-c]quinoline G-quadruplex stabilizers: A structural analysis of binding to the human telomeric G-quadruplex Chemmedchem. 10: 836-849. DOI: 10.1002/cmdc.201500067  0.516
2014 Ohnmacht SA, Varavipour E, Nanjunda R, Pazitna I, Di Vita G, Gunaratnam M, Kumar A, Ismail MA, Boykin DW, Wilson WD, Neidle S. Discovery of new G-quadruplex binding chemotypes. Chemical Communications (Cambridge, England). 50: 960-3. PMID 24302123 DOI: 10.1039/C3Cc48616H  0.622
2013 Wei D, Todd AK, Zloh M, Gunaratnam M, Parkinson GN, Neidle S. Crystal structure of a promoter sequence in the B-raf gene reveals an intertwined dimer quadruplex Journal of the American Chemical Society. 135: 19319-19329. PMID 24295054 DOI: 10.1021/Ja4101358  0.517
2013 Shiu WK, Malkinson JP, Rahman MM, Curry J, Stapleton P, Gunaratnam M, Neidle S, Mushtaq S, Warner M, Livermore DM, Evangelopoulos D, Basavannacharya C, Bhakta S, Schindler BD, Seo SM, et al. A new plant-derived antibacterial is an inhibitor of efflux pumps in Staphylococcus aureus. International Journal of Antimicrobial Agents. 42: 513-8. PMID 24119569 DOI: 10.1016/J.Ijantimicag.2013.08.007  0.49
2013 Ohnmacht SA, Ciancimino C, Vignaroli G, Gunaratnam M, Neidle S. Optimization of anti-proliferative activity using a screening approach with a series of bis-heterocyclic G-quadruplex ligands Bioorganic and Medicinal Chemistry Letters. 23: 5351-5355. PMID 23972440 DOI: 10.1016/J.Bmcl.2013.07.057  0.632
2013 Mpima S, Ohnmacht SA, Barletta M, Husby J, Pett LC, Gunaratnam M, Hilton ST, Neidle S. The influence of positional isomerism on G-quadruplex binding and anti-proliferative activity of tetra-substituted naphthalene diimide compounds. Bioorganic & Medicinal Chemistry. 21: 6162-70. PMID 23769166 DOI: 10.1016/J.Bmc.2013.05.027  0.598
2013 Micco M, Collie GW, Dale AG, Ohnmacht SA, Pazitna I, Gunaratnam M, Reszka AP, Neidle S. Structure-based design and evaluation of naphthalene diimide G-quadruplex ligands as telomere targeting agents in pancreatic cancer cells. Journal of Medicinal Chemistry. 56: 2959-74. PMID 23514618 DOI: 10.1021/Jm301899Y  0.671
2013 Baud MG, Leiser T, Petrucci V, Gunaratnam M, Neidle S, Meyer-Almes FJ, Fuchter MJ. Thioester derivatives of the natural product psammaplin A as potent histone deacetylase inhibitors. Beilstein Journal of Organic Chemistry. 9: 81-8. PMID 23400330 DOI: 10.3762/Bjoc.9.11  0.564
2013 Baud MGJ, Leiser T, Petrucci V, Gunaratnam M, Neidle S, Meyer-Almes FJ, Fuchter MJ. Thioester derivatives of the natural product psammaplin A as potent histone deacetylase inhibitors Beilstein Journal of Organic Chemistry. 9: 81-88. DOI: 10.3762/bjoc.9.11  0.398
2012 Ohnmacht SA, Micco M, Petrucci V, Todd AK, Reszka AP, Gunaratnam M, Carvalho MA, Zloh M, Neidle S. Sequences in the HSP90 promoter form G-quadruplex structures with selectivity for disubstituted phenyl bis-oxazole derivatives Bioorganic and Medicinal Chemistry Letters. 22: 5930-5935. PMID 22892119 DOI: 10.1016/J.Bmcl.2012.07.065  0.609
2012 Rahman KM, Hossain MD, Sohrab MH, Drake AF, Bui TT, Husby J, Gunaratnam M, Neidle S, Hasan CM, Thurston DE. The prenylated dioxopiperazine alkaloid Cristatin A has selective telomeric DNA G-quadruplex stabilising properties Chemical Communications. 48: 8760-8762. PMID 22836516 DOI: 10.1039/C2Cc31277H  0.576
2012 Wangteeraprasert R, Lipipun V, Gunaratnam M, Neidle S, Gibbons S, Likhitwitayawuid K. Bioactive compounds from Carissa spinarum Phytotherapy Research. 26: 1496-1499. PMID 22308099 DOI: 10.1002/Ptr.4607  0.528
2012 Baud MGJ, Leiser T, Haus P, Samlal S, Wong AC, Wood RJ, Petrucci V, Gunaratnam M, Hughes SM, Buluwela L, Turlais F, Neidle S, Meyer-Almes FJ, White AJP, Fuchter MJ. Defining the mechanism of action and enzymatic selectivity of psammaplin A against its epigenetic targets Journal of Medicinal Chemistry. 55: 1731-1750. PMID 22280363 DOI: 10.1021/Jm2016182  0.573
2012 Campbell NH, Karim NHA, Parkinson GN, Gunaratnam M, Petrucci V, Todd AK, Vilar R, Neidle S. Molecular basis of structure-activity relationships between salphen metal complexes and human telomeric DNA quadruplexes Journal of Medicinal Chemistry. 55: 209-222. PMID 22112241 DOI: 10.1021/Jm201140V  0.565
2012 Micco M, Collie G, Gunaratnam M, Ohnmacht SA, Reszka AP, Neidle S. Abstract LB-2: Structure-based design of G-quadruplex ligands leads to enhanced potency against pancreatic cancer cells Cancer Research. 72. DOI: 10.1158/1538-7445.Am2012-Lb-2  0.656
2011 Gunaratnam M, Fuente MDL, Hampel SM, Todd AK, Reszka AP, Schätzlein A, Neidle S. Targeting pancreatic cancer with a G-quadruplex ligand Bioorganic and Medicinal Chemistry. 19: 7151-7157. PMID 22041170 DOI: 10.1016/J.Bmc.2011.09.055  0.667
2011 Parkinson GN, Gunaratnam M, Li XW, Collie G, Reszka AP, Todd AR, Fletcher JA, Neidle S. Abstract 2310: Down-regulating BCL-2 gene expression in a resistant GIST cell line by a RNA G-quadruplex interacting small molecule ligand Cancer Research. 71: 2310-2310. DOI: 10.1158/1538-7445.Am2011-2310  0.611
2011 Fuchter MJ, Baud MGJ, Leiser T, Samlal S, Wong AC, Wood RJ, Gunaratnam M, Hughes SM, Buluwela L, Turlais F, Neidle S, Meyer-Almes F. Abstract B166: Defining the mechanism of action and enzymatic selectivity of psammaplin A against its epigenetic targets. Molecular Cancer Therapeutics. 10. DOI: 10.1158/1535-7163.Targ-11-B166  0.604
2010 Bejugam M, Gunaratnam M, Müller S, Sanders DA, Sewitz S, Fletcher JA, Neidle S, Balasubramanian S. Targeting the c-Kit Promoter G-quadruplexes with 6-Substituted Indenoisoquinolines. Acs Medicinal Chemistry Letters. 1: 306-10. PMID 24900212 DOI: 10.1021/Ml100062Z  0.613
2010 Hampel SM, Sidibe A, Gunaratnam M, Riou JF, Neidle S. Tetrasubstituted naphthalene diimide ligands with selectivity for telomeric G-quadruplexes and cancer cells Bioorganic and Medicinal Chemistry Letters. 20: 6459-6463. PMID 20932753 DOI: 10.1016/J.Bmcl.2010.09.066  0.683
2010 Sparapani S, Haider SM, Doria F, Gunaratnam M, Neidle S. Rational design of acridine-based ligands with selectivity for human telomeric quadruplexes Journal of the American Chemical Society. 132: 12263-12272. PMID 20718414 DOI: 10.1021/Ja1003944  0.656
2010 Sparapani S, Bellini S, Gunaratnam M, Haider SM, Andreani A, Rambaldi M, Locatelli A, Morigi R, Granaiola M, Varoli L, Burnelli S, Leoni A, Neidle S. Bis-guanylhydrazone diimidazo[1,2-a:1,2-c]pyrimidine as a novel and specific G-quadruplex binding motif. Chemical Communications (Cambridge, England). 46: 5680-2. PMID 20582382 DOI: 10.1039/C0Cc00020E  0.595
2010 Gunaratnam M, Neidle S. An evaluation cascade for G-quadruplex telomere targeting agents in human cancer cells. Methods in Molecular Biology (Clifton, N.J.). 613: 303-313. PMID 19997892 DOI: 10.1007/978-1-60327-418-0_19  0.634
2010 Hampel S, Gunaratnam M, Fuente Mdl, Schatzlein A, Neidle S. Abstract 739: Targeting pancreatic cancers with a quadruplex-binding small molecule Cancer Research. 70: 739-739. DOI: 10.1158/1538-7445.Am10-739  0.614
2010 Gunaratnam M, Collie G, Reszka A, Todd A, Parkinson G, Fletcher J, Neidle S. Abstract 3679: Targeting drug-resistant GIST cells with a quadruplex-binding small molecule Cancer Research. 70: 3679-3679. DOI: 10.1158/1538-7445.Am10-3679  0.631
2010 Bejugam M, Gunaratnam M, Müller S, Sanders DA, Sewitz S, Fletcher JA, Neidle S, Balasubramanian S. Correction to Targeting the c-Kit Promoter G-quadruplexes with 6-Substituted Indenoisoquinolines Acs Medicinal Chemistry Letters. 1: 546-546. DOI: 10.1021/Ml100241W  0.523
2010 Bejugam M, Gunaratnam M, Müller S, Sanders DA, Sewitz S, Fletcher JA, Neidle S, Balasubramanian S. Targeting the c-Kit promoter g-quadruplexes with 6-substituted indenoisoquinolines Acs Medicinal Chemistry Letters. 1: 306-310. DOI: 10.1021/ml100062z  0.487
2009 Rahman KM, Reszka AP, Gunaratnam M, Haider SM, Howard PW, Fox KR, Neidle S, Thurston DE. Biaryl polyamides as a new class of DNA quadruplex-binding ligands Chemical Communications. 4097-4099. PMID 19568645 DOI: 10.1039/B902359C  0.614
2009 Gunaratnam M, Green C, Moreira JB, Moorhouse AD, Kelland LR, Moses JE, Neidle S. G-quadruplex compounds and cis-platin act synergistically to inhibit cancer cell growth in vitro and in vivo. Biochemical Pharmacology. 78: 115-22. PMID 19475728 DOI: 10.1016/J.Bcp.2009.03.018  0.606
2009 Gunaratnam M, Swank S, Haider SM, Galesa K, Reszka AP, Beltran M, Cuenca F, Fletcher JA, Neidle S. Targeting human gastrointestinal stromal tumor cells with a quadruplex-binding small molecule Journal of Medicinal Chemistry. 52: 3774-3783. PMID 19469547 DOI: 10.1021/Jm900424A  0.575
2009 O'Donnell G, Poeschl R, Zimhony O, Gunaratnam M, Moreira JB, Neidle S, Evangelopoulos D, Bhakta S, Malkinson JP, Boshoff HI, Lenaerts A, Gibbons S. Bioactive pyridine-N-oxide disulfides from Allium stipitatum. Journal of Natural Products. 72: 360-5. PMID 19093848 DOI: 10.1021/Np800572R  0.557
2008 Drewe WC, Nanjunda R, Gunaratnam M, Beltran M, Parkinson GN, Reszka AP, Wilson WD, Neidle S. Rational design of substituted diarylureas: a scaffold for binding to G-quadruplex motifs. Journal of Medicinal Chemistry. 51: 7751-67. PMID 19053833 DOI: 10.1021/jm801245v  0.585
2008 Reed J, Gunaratnam M, Beltran M, Reszka AP, Vilar R, Neidle S. TRAP-LIG, a modified telomere repeat amplification protocol assay to quantitate telomerase inhibition by small molecules. Analytical Biochemistry. 380: 99-105. PMID 18534183 DOI: 10.1016/J.Ab.2008.05.013  0.557
2008 Moorhouse AD, Haider S, Gunaratnam M, Munnur D, Neidle S, Moses JE. Targeting telomerase and telomeres: a click chemistry approach towards highly selective G-quadruplex ligands. Molecular Biosystems. 4: 629-42. PMID 18493662 DOI: 10.1039/B801822G  0.644
2008 Gunaratnam M, Grant MH. Cr (VI) inhibits DNA, RNA and protein syntheses in hepatocytes: involvement of glutathione reductase, reduced glutathione and DT-diaphorase. Toxicology in Vitro : An International Journal Published in Association With Bibra. 22: 879-86. PMID 18321676 DOI: 10.1016/J.Tiv.2008.01.005  0.309
2008 Cuenca F, Greciano O, Gunaratnam M, Haider S, Munnur D, Nanjunda R, Wilson WD, Neidle S. Tri- and tetra-substituted naphthalene diimides as potent G-quadruplex ligands Bioorganic and Medicinal Chemistry Letters. 18: 1668-1673. PMID 18243701 DOI: 10.1016/J.Bmcl.2008.01.050  0.667
2007 Gunaratnam M, Greciano O, Martins C, Reszka AP, Schultes CM, Morjani H, Riou JF, Neidle S. Mechanism of acridine-based telomerase inhibition and telomere shortening Biochemical Pharmacology. 74: 679-689. PMID 17631279 DOI: 10.1016/J.Bcp.2007.06.011  0.617
2007 Milroy LG, Zinzalla G, Prencipe G, Michel P, Ley SV, Gunaratnam M, Beltran M, Neidle S. Chemical variation of natural-product-like scaffolds: Design, synthesis, and biological activity of fused bicyclic acetal derivatives Angewandte Chemie - International Edition. 46: 2493-2496. PMID 17318936 DOI: 10.1002/Anie.200604688  0.48
2007 Martins C, Gunaratnam M, Stuart J, Makwana V, Greciano O, Reszka AP, Kelland LR, Neidle S. Structure-based design of benzylamino-acridine compounds as G-quadruplex DNA telomere targeting agents. Bioorganic & Medicinal Chemistry Letters. 17: 2293-8. PMID 17276687 DOI: 10.1016/J.Bmcl.2007.01.056  0.657
2006 Moorhouse AD, Santos AM, Gunaratnam M, Moore M, Neidle S, Moses JE. Stabilization of G-quadruplex DNA by highly selective ligands via click chemistry. Journal of the American Chemical Society. 128: 15972-3. PMID 17165715 DOI: 10.1021/Ja0661919  0.638
2006 Le Sann C, Baron A, Mann J, van den Berg H, Gunaratnam M, Neidle S. New mustard-linked 2-aryl-bis-benzimidazoles with anti-proliferative activity. Organic & Biomolecular Chemistry. 4: 1305-12. PMID 16557319 DOI: 10.1039/B600567E  0.587
2006 Moore MJ, Schultes CM, Cuesta J, Cuenca F, Gunaratnam M, Tanious FA, Wilson WD, Neidle S. Trisubstituted acridines as G-quadruplex telomere targeting agents. Effects of extensions of the 3,6- and 9-side chains on quadruplex binding, telomerase activity, and cell proliferation. Journal of Medicinal Chemistry. 49: 582-99. PMID 16420044 DOI: 10.1021/Jm050555A  0.667
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