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Items: 1 to 50 of 60

1.

Selection and characterization of Toxoplasma gondii mutants resistant to artemisinin.

Berens RL, Krug EC, Nash PB, Curiel TJ.

J Infect Dis. 1998 Apr;177(4):1128-31.

PMID:
9534999
2.

Stimulation of human T lymphocytes obtained from Toxoplasma gondii-seronegative persons by proteins derived from T. gondii.

Purner MB, Berens RL, Tomavo S, Lecordier L, Cesbron-Delauw MF, Kotzin BL, Curiel TJ.

J Infect Dis. 1998 Mar;177(3):746-53.

PMID:
9498457
3.

CD4-mediated and CD8-mediated cytotoxic and proliferative immune responses to Toxoplasma gondii in seropositive humans.

Purner MB, Berens RL, Nash PB, van Linden A, Ross E, Kruse C, Krug EC, Curiel TJ.

Infect Immun. 1996 Oct;64(10):4330-8.

4.

Cross-reactivity of human Toxoplasma-specific T cells: implications for development of a potential immunotherapeutic or vaccine.

Purner MB, Krug EC, Nash P, Cook DR, Berens RL, Curiel TJ.

J Infect Dis. 1995 Apr;171(4):984-91.

PMID:
7706828
5.
7.

Acyclovir-resistant neonatal herpes simplex virus infection of the larynx.

Nyquist AC, Rotbart HA, Cotton M, Robinson C, Weinberg A, Hayward AR, Berens RL, Levin MJ.

J Pediatr. 1994 Jun;124(6):967-71.

PMID:
8201488
8.
9.

Endotoxin disrupts beta-adrenergic signal transduction in the heart.

Bensard DD, Banerjee A, McIntyre RC Jr, Berens RL, Harken AH.

Arch Surg. 1994 Feb;129(2):198-204; discussion 204-5.

PMID:
8304831
10.

Purine nucleoside and nucleobase cell membrane transport in Giardia lamblia.

Baum KF, Berens RL, Marr JJ.

J Eukaryot Microbiol. 1993 Sep-Oct;40(5):643-9.

PMID:
8401476
11.

Cloned human CD4+ cytotoxic T lymphocytes specific for Toxoplasma gondii lyse tachyzoite-infected target cells.

Curiel TJ, Krug EC, Purner MB, Poignard P, Berens RL.

J Immunol. 1993 Aug 15;151(4):2024-31.

PMID:
8102155
12.

Platelet activating factor alters receptor-coupled function in the isolated perfused rat heart.

Bensard DD, Anderson BO, Banerjee A, Nelson DW, Poggetti RS, Berens RL, Harken AH.

J Surg Res. 1992 Oct;53(4):321-5.

PMID:
1328766
13.

Antiprotozoal activity of 3'-deoxyinosine. Inverse correlation to cleavage of the glycosidic bond.

Moorman AR, LaFon SW, Nelson DJ, Carter HH, Marr JJ, Berens RL.

Biochem Pharmacol. 1991 Jul 5;42(2):207-12.

PMID:
1859443
14.

Inhibition of growth of Toxoplasma gondii by qinghaosu and derivatives.

Ke OY, Krug EC, Marr JJ, Berens RL.

Antimicrob Agents Chemother. 1990 Oct;34(10):1961-5.

15.

Synthesis, structure, and antiparasitic activity of sulfamoyl derivatives of ribavirin.

Kini GD, Henry EM, Robins RK, Larson SB, Marr JJ, Berens RL, Bacchi CJ, Nathan HC, Keithly JS.

J Med Chem. 1990 Jan;33(1):44-8.

PMID:
2296034
16.

Purine deoxynucleoside salvage in Giardia lamblia.

Baum KF, Berens RL, Marr JJ, Harrington JA, Spector T.

J Biol Chem. 1989 Dec 15;264(35):21087-90.

17.

Purine metabolism in Toxoplasma gondii.

Krug EC, Marr JJ, Berens RL.

J Biol Chem. 1989 Jun 25;264(18):10601-7.

18.

The activity of ketoconazole and other azoles against Trypanosoma cruzi: biochemistry and chemotherapeutic action in vitro.

Goad LJ, Berens RL, Marr JJ, Beach DH, Holz GG Jr.

Mol Biochem Parasitol. 1989 Jan 15;32(2-3):179-89.

PMID:
2494453
19.

Hypoxanthine and inosine analogues as chemotherapeutic agents in Chagas' disease.

Marr JJ, Berens RL.

Mem Inst Oswaldo Cruz. 1988 Nov;83 Suppl 1:301-7.

20.

The synergistic action of pyrazolopyrimidines and pentavalent antimony against Leishmania donovani and L. braziliensis.

Martinez S, Looker DL, Berens RL, Marr JJ.

Am J Trop Med Hyg. 1988 Sep;39(3):250-5.

PMID:
2845824
21.
22.

Synergism between 9-deazainosine and DL-alpha-difluoromethylornithine in treatment of experimental African trypanosomiasis.

Bacchi CJ, Berens RL, Nathan HC, Klein RS, Elegbe IA, Rao KV, McCann PP, Marr JJ.

Antimicrob Agents Chemother. 1987 Sep;31(9):1406-13.

23.

Adenosine analog metabolism in Giardia lamblia. Implications for chemotherapy.

Berens RL, Marr JJ.

Biochem Pharmacol. 1986 Dec 1;35(23):4191-7.

PMID:
3098246
24.

Mechanisms of action of pyrazolopyrimidines in Leishmania donovani.

Looker DL, Marr JJ, Berens RL.

J Biol Chem. 1986 Jul 15;261(20):9412-5.

25.

6-Thiopurine riboside analogs: their toxicity and metabolism in Leishmania donovani and mammalian cells.

LaFon SW, Cohn NK, Nelson DJ, Berens RL.

Adv Exp Med Biol. 1986;195 Pt B:565-71. No abstract available.

PMID:
3766244
26.

Inosine analogs. Their metabolism in mouse L cells and in Leishmania donovani.

LaFon SW, Nelson DJ, Berens RL, Marr JJ.

J Biol Chem. 1985 Aug 15;260(17):9660-5.

27.

Inosine analogs as chemotherapeutic agents for African trypanosomes: metabolism in trypanosomes and efficacy in tissue culture.

Fish WR, Marr JJ, Berens RL, Looker DL, Nelson DJ, LaFon SW, Balber AE.

Antimicrob Agents Chemother. 1985 Jan;27(1):33-6.

28.
29.

Monophosphates of formycin B and allopurinol riboside. Interactions with leishmanial and mammalian succino-AMP synthetase and GMP reductase.

Spector T, Jones TE, LaFon SW, Nelson DJ, Berens RL, Marr JJ.

Biochem Pharmacol. 1984 May 15;33(10):1611-7.

PMID:
6732835
30.

Nucleoside hydrolases from Trypanosoma cruzi.

Miller RL, Sabourin CL, Krenitsky TA, Berens RL, Marr JJ.

J Biol Chem. 1984 Apr 25;259(8):5073-7.

31.

Biological action of inosine analogs in Leishmania and Trypanosoma spp.

Marr JJ, Berens RL, Cohn NK, Nelson DJ, Klein RS.

Antimicrob Agents Chemother. 1984 Feb;25(2):292-5.

32.

Purine metabolism in Leishmania donovani amastigotes and promastigotes.

Looker DL, Berens RL, Marr JJ.

Mol Biochem Parasitol. 1983 Sep;9(1):15-28.

PMID:
6199667
33.

Pyrazolopyrimidine metabolism in the pathogenic trypanosomatidae.

Marr JJ, Berens RL.

Mol Biochem Parasitol. 1983 Apr;7(4):339-56. Review.

PMID:
6192336
34.

Xanthine oxidase in calf serum: formation of oxygen metabolites that are toxic for Trypanosoma cruzi in culture.

Cruz FS, Berens RL, Marr JJ.

J Parasitol. 1983 Feb;69(1):237-9. No abstract available.

PMID:
6338193
35.

Purine metabolism in the bloodstream forms of Trypanosoma gambiense and Trypanosoma rhodesiense.

Fish WR, Looker DL, Marr JJ, Berens RL.

Biochim Biophys Acta. 1982 Nov 24;719(2):223-31.

PMID:
6817814
36.

Effect of allopurinol on Trypanosoma cruzi: metabolism and biological activity in intracellular and bloodstream forms.

Berens RL, Marr JJ, Steele da Cruz FS, Nelson DJ.

Antimicrob Agents Chemother. 1982 Oct;22(4):657-61.

37.

The metabolism of formycin B in Leishmania donovani.

Nelson DJ, Lafon SW, Jones TE, Spector T, Berens RL, Marr JJ.

Biochem Biophys Res Commun. 1982 Sep 16;108(1):349-54. No abstract available.

PMID:
7150292
38.

Purine metabolism in Trypanosoma brucei gambiense.

Fish WR, Marr JJ, Berens RL.

Biochim Biophys Acta. 1982 Feb 25;714(3):422-8. No abstract available.

PMID:
6800408
39.

Antileishmanial action of 4-thiopyrazolo (3.4-d) pyrimidine and its ribonucleoside. Biological effects and metabolism.

Marr JJ, Berens RL, Nelson DJ, Krenitsky TA, Spector T, LaFon SW, Elion GB.

Biochem Pharmacol. 1982 Jan 15;31(2):143-8.

PMID:
7073876
40.

Purine and pyrimidine salvage pathways in Leishmania donovani.

LaFon SW, Nelson DJ, Berens RL, Marr JJ.

Biochem Pharmacol. 1982 Jan 15;31(2):231-8.

PMID:
7059364
41.
42.

Partial purification and characterization of particulate acid phosphatase of Leishmania donovani promastigotes.

Glew RH, Czuczman MS, Diven WF, Berens RL, Pope MT, Katsoulis DE.

Comp Biochem Physiol B. 1982;72(4):581-90.

PMID:
7128111
43.

Purine metabolism in Trypanosoma cruzi.

Berens RL, Marr JJ, LaFon SW, Nelson DJ.

Mol Biochem Parasitol. 1981 Jul;3(3):187-96.

PMID:
6166862
44.

Antileishmanial effect of allopurinol and allopurinol ribonucleoside on intracellular forms of Leishmania donovani.

Berens RL, Marr JJ, Nelson DJ, LaFon SW.

Biochem Pharmacol. 1980 Sep 1;29(17):2397-8. No abstract available.

PMID:
7426045
45.

Prevention of transfusion-induced Chagas' disease by amphotericin B.

Cruz FS, Marr JJ, Berens RL.

Am J Trop Med Hyg. 1980 Sep;29(5):761-5.

PMID:
6776830
46.
47.

Leishmania donovani and Leishmania braziliensis: hexokinase, glucose 6-phosphate dehydrogenase, and pentose phosphate shunt activity.

Berens RL, Deutsch-King LC, Marr JJ.

Exp Parasitol. 1980 Feb;49(1):1-8. No abstract available.

PMID:
7349998
48.

Allopurinol ribonucleoside as an antileishmanial agent. Biological effects, metabolism, and enzymatic phosphorylation.

Nelson DJ, LaFon SW, Tuttle JV, Miller WH, Miller RL, Krenitsky TA, Elion GB, Berens RL, Marr JJ.

J Biol Chem. 1979 Nov 25;254(22):11544-9. No abstract available.

49.
50.

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