Birkus G - Search Results

1

GS-9219--a novel acyclic nucleotide analogue with potent antineoplastic activity in dogs with spontaneous non-Hodgkin's lymphoma.

Reiser H, Wang J, Chong L, Watkins WJ, Ray AS, Shibata R, Birkus G, Cihlar T, Wu S, Li B, Liu X, Henne IN, Wolfgang GH, Desai M, Rhodes GR, Fridland A, Lee WA, Plunkett W, Vail D, Thamm DH, Jeraj R, Tumas DB. Reiser H, et al. Among authors: birkus g. Clin Cancer Res. 2008 May 1;14(9):2824-32. doi: 10.1158/1078-0432.CCR-07-2061. Clin Cancer Res. 2008. PMID: 18451250

2

GS-9191 is a novel topical prodrug of the nucleotide analog 9-(2-phosphonylmethoxyethyl)guanine with antiproliferative activity and possible utility in the treatment of human papillomavirus lesions.

Wolfgang GH, Shibata R, Wang J, Ray AS, Wu S, Doerrfler E, Reiser H, Lee WA, Birkus G, Christensen ND, Andrei G, Snoeck R. Wolfgang GH, et al. Among authors: birkus g. Antimicrob Agents Chemother. 2009 Jul;53(7):2777-84. doi: 10.1128/AAC.00103-09. Epub 2009 Apr 27. Antimicrob Agents Chemother. 2009. PMID: 19398642 Free PMC article.

3

Novel acyclic nucleotide analogues GS-343074 and GS-424044 demonstrate antiproliferative and pro-apoptotic activity in canine neoplastic cell lines.

Lawrence JA, Huelsmeyer MK, Thamm DH, Tumas DB, Birkus G, Kurzman I, Vail DM. Lawrence JA, et al. Among authors: birkus g. Vet Comp Oncol. 2015 Sep;13(3):246-54. doi: 10.1111/vco.12038. Epub 2013 May 15. Vet Comp Oncol. 2015. PMID: 23672437 Free PMC article.

4

Cathepsin A is the major hydrolase catalyzing the intracellular hydrolysis of the antiretroviral nucleotide phosphonoamidate prodrugs GS-7340 and GS-9131.

Birkus G, Wang R, Liu X, Kutty N, MacArthur H, Cihlar T, Gibbs C, Swaminathan S, Lee W, McDermott M. Birkus G, et al. Antimicrob Agents Chemother. 2007 Feb;51(2):543-50. doi: 10.1128/AAC.00968-06. Epub 2006 Dec 4. Antimicrob Agents Chemother. 2007. PMID: 17145787 Free PMC article.

5

Discovery of GS-9131: Design, synthesis and optimization of amidate prodrugs of the novel nucleoside phosphonate HIV reverse transcriptase (RT) inhibitor GS-9148.

Mackman RL, Ray AS, Hui HC, Zhang L, Birkus G, Boojamra CG, Desai MC, Douglas JL, Gao Y, Grant D, Laflamme G, Lin KY, Markevitch DY, Mishra R, McDermott M, Pakdaman R, Petrakovsky OV, Vela JE, Cihlar T. Mackman RL, et al. Among authors: birkus g. Bioorg Med Chem. 2010 May 15;18(10):3606-17. doi: 10.1016/j.bmc.2010.03.041. Epub 2010 Mar 27. Bioorg Med Chem. 2010. PMID: 20409721

6

Comparative effects of adefovir and selected nucleoside inhibitors of hepatitis B virus DNA polymerase on mitochondrial DNA in liver and skeletal muscle cells.

Birkus G, Gibbs CS, Cihlar T. Birkus G, et al. J Viral Hepat. 2003 Jan;10(1):50-4. doi: 10.1046/j.1365-2893.2003.00399.x. J Viral Hepat. 2003. PMID: 12558912

7

Assessment of mitochondrial toxicity in human cells treated with tenofovir: comparison with other nucleoside reverse transcriptase inhibitors.

Birkus G, Hitchcock MJ, Cihlar T. Birkus G, et al. Antimicrob Agents Chemother. 2002 Mar;46(3):716-23. doi: 10.1128/AAC.46.3.716-723.2002. Antimicrob Agents Chemother. 2002. PMID: 11850253 Free PMC article.

8

Tenofovir exhibits low cytotoxicity in various human cell types: comparison with other nucleoside reverse transcriptase inhibitors.

Cihlar T, Birkus G, Greenwalt DE, Hitchcock MJ. Cihlar T, et al. Among authors: birkus g. Antiviral Res. 2002 Apr;54(1):37-45. doi: 10.1016/s0166-3542(01)00210-8. Antiviral Res. 2002. PMID: 11888656

9

Activation of 9-[(R)-2-[[(S)-[[(S)-1-(Isopropoxycarbonyl)ethyl]amino] phenoxyphosphinyl]-methoxy]propyl]adenine (GS-7340) and other tenofovir phosphonoamidate prodrugs by human proteases.

Birkus G, Kutty N, He GX, Mulato A, Lee W, McDermott M, Cihlar T. Birkus G, et al. Mol Pharmacol. 2008 Jul;74(1):92-100. doi: 10.1124/mol.108.045526. Epub 2008 Apr 22. Mol Pharmacol. 2008. PMID: 18430788

10

Role of cathepsin A and lysosomes in the intracellular activation of novel antipapillomavirus agent GS-9191.

Birkus G, Kutty N, Frey CR, Shribata R, Chou T, Wagner C, McDermott M, Cihlar T. Birkus G, et al. Antimicrob Agents Chemother. 2011 May;55(5):2166-73. doi: 10.1128/AAC.01603-10. Epub 2011 Mar 7. Antimicrob Agents Chemother. 2011. PMID: 21383096 Free PMC article.

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