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Items: 1 to 50 of 78

1.

Cryptosporidiosis-an overview.

Leitch GJ, He Q.

J Biomed Res. 2012 Jan;25(1):1-16. Epub 2012 Feb 21.

2.

A role for antimicrobial peptides in intestinal microsporidiosis.

Leitch GJ, Ceballos C.

Parasitology. 2009 Feb;136(2):175-81. doi: 10.1017/S0031182008005313. Epub 2008 Dec 12.

3.

Effects of host temperature and gastric and duodenal environments on microsporidia spore germination and infectivity of intestinal epithelial cells.

Leitch GJ, Ceballos C.

Parasitol Res. 2008 Dec;104(1):35-42. doi: 10.1007/s00436-008-1156-4. Epub 2008 Aug 27.

4.

Contribution of hemagglutinin/protease and motility to the pathogenesis of El Tor biotype cholera.

Silva AJ, Leitch GJ, Camilli A, Benitez JA.

Infect Immun. 2006 Apr;74(4):2072-9.

5.
6.

Multinucleate host cells induced by Vittaforma corneae (Microsporidia).

Leitch GJ, Shaw AP, Colden-Stanfield M, Scanlon M, Visvesvara GS.

Folia Parasitol (Praha). 2005 May;52(1-2):103-10.

7.

Public health importance of Brachiola algerae (Microsporidia)--an emerging pathogen of humans.

Visvesvara GS, Moura H, Leitch GJ, Schwartz DA, Xiao LX.

Folia Parasitol (Praha). 2005 May;52(1-2):83-94.

8.

Purification of Enterocytozoon bieneusi spores from stool specimens by gradient and cell sorting techniques.

Kucerova Z, Moura H, Leitch GJ, Sriram R, Bern C, Kawai V, Vargas D, Gilman RH, Ticona E, Vivar A, Visvesvara GS.

J Clin Microbiol. 2004 Jul;42(7):3256-61.

9.
10.

Cryptosporidium parvum: effect of multi-drug reversing agents on the expression and function of ATP-binding cassette transporters.

Bonafonte MT, Romagnoli PA, McNair N, Shaw AP, Scanlon M, Leitch GJ, Mead JR.

Exp Parasitol. 2004 Mar-Apr;106(3-4):126-34.

PMID:
15172220
11.

Relationship between the host cell mitochondria and the parasitophorous vacuole in cells infected with Encephalitozoon microsporidia.

Scanlon M, Leitch GJ, Visvesvara GS, Shaw AP.

J Eukaryot Microbiol. 2004 Jan-Feb;51(1):81-7.

PMID:
15068269
12.

Disseminated microsporidiosis in a renal transplant recipient.

Mohindra AR, Lee MW, Visvesvara G, Moura H, Parasuraman R, Leitch GJ, Xiao L, Yee J, del Busto R.

Transpl Infect Dis. 2002 Jun;4(2):102-7.

PMID:
12220248
13.

In vitro culture, ultrastructure, antigenic, and molecular characterization of Encephalitozoon cuniculi isolated from urine and sputum samples from a Spanish patient with AIDS.

del Aguila C, Moura H, Fenoy S, Navajas R, Lopez-Velez R, Li L, Xiao L, Leitch GJ, da Silva A, Pieniazek NJ, Lal AA, Visvesvara GS.

J Clin Microbiol. 2001 Mar;39(3):1105-8.

14.
15.

Infection by microsporidia disrupts the host cell cycle.

Scanlon M, Shaw AP, Zhou CJ, Visvesvara GS, Leitch GJ.

J Eukaryot Microbiol. 2000 Nov-Dec;47(6):525-31.

PMID:
11128703
16.

Role of P glycoprotein in the course and treatment of Encephalitozoon microsporidiosis.

Leitch GJ, Scanlon M, Shaw A, Visvesvara GS.

Antimicrob Agents Chemother. 2001 Jan;45(1):73-8.

18.

Modifications of the cytoskeleton in Encephalitozoon-infected cells.

Leitch GJ, Scanlon M, Shaw A, Visvesvara GS.

J Eukaryot Microbiol. 1999 Sep-Oct;46(5):36S-37S. No abstract available.

PMID:
10519238
19.

Susceptibility to apoptosis is reduced in the Microsporidia-infected host cell.

Scanlon M, Leitch GJ, Shaw AP, Moura H, Visvesvara GS.

J Eukaryot Microbiol. 1999 Sep-Oct;46(5):34S-35S. No abstract available.

PMID:
10519237
20.

Isolation of Nosema algerae from the cornea of an immunocompetent patient.

Visvesvara GS, Belloso M, Moura H, Da Silva AJ, Moura IN, Leitch GJ, Schwartz DA, Chevez-Barrios P, Wallace S, Pieniazek NJ, Goosey JD.

J Eukaryot Microbiol. 1999 Sep-Oct;46(5):10S. No abstract available.

PMID:
10519226
21.

Detection by an immunofluorescence test of Encephalitozoon intestinalis spores in routinely formalin-fixed stool samples stored at room temperature.

Moura H, Sodre FC, Bornay-Llinares FJ, Leitch GJ, Navin T, Wahlquist S, Bryan R, Meseguer I, Visvesvara GS.

J Clin Microbiol. 1999 Jul;37(7):2317-22.

22.
23.
24.

Identification of the microsporidian Encephalitozoon hellem using immunoglobulin G monoclonal antibodies.

Croppo GP, Visvesvara GS, Leitch GJ, Wallace S, Schwartz DA.

Arch Pathol Lab Med. 1998 Feb;122(2):182-6.

PMID:
9499364
25.
26.

Use of a fluorescent probe to assess the activities of candidate agents against intracellular forms of Encephalitozoon microsporidia.

Leitch GJ, Scanlon M, Shaw A, Visvesvara GS, Wallace S.

Antimicrob Agents Chemother. 1997 Feb;41(2):337-44.

27.

Adenovirus masquerading as microsporidia.

Visvesvara GS, Leitch GJ, Wallace S, Seaba C, Erdman D, Ewing EP Jr.

J Parasitol. 1996 Apr;82(2):316-9.

PMID:
8604104
28.

Pathology of microsporidiosis: emerging parasitic infections in patients with acquired immunodeficiency syndrome.

Schwartz DA, Sobottka I, Leitch GJ, Cali A, Visvesvara GS.

Arch Pathol Lab Med. 1996 Feb;120(2):173-88. Review.

PMID:
8712897
30.

Short-term in vitro culture and molecular analysis of the microsporidian, Enterocytozoon bieneusi.

Visvesvara G, Leitch GJ, Pieniazek NJ, Da Silva AJ, Wallace S, Slemenda SB, Weber R, Schwartz DA, Gorelkin L, Wilcox CM, et al.

J Eukaryot Microbiol. 1995 Sep-Oct;42(5):506-10.

PMID:
7581324
31.

Calcium and hydrogen ion concentrations in the parasitophorous vacuoles of epithelial cells infected with the microsporidian Encephalitozoon hellem.

Leitch GJ, Scanlon M, Visvesvara GS, Wallace S.

J Eukaryot Microbiol. 1995 Sep-Oct;42(5):445-51.

PMID:
7581320
32.

Polymerase chain reaction and culture confirmation of disseminated Encephalitozoon cuniculi in a patient with AIDS: successful therapy with albendazole.

De Groote MA, Visvesvara G, Wilson ML, Pieniazek NJ, Slemenda SB, daSilva AJ, Leitch GJ, Bryan RT, Reves R.

J Infect Dis. 1995 May;171(5):1375-8.

PMID:
7751721
33.

In vitro culture and serologic and molecular identification of Septata intestinalis isolated from urine of a patient with AIDS.

Visvesvara GS, da Silva AJ, Croppo GP, Pieniazek NJ, Leitch GJ, Ferguson D, de Moura H, Wallace S, Slemenda SB, Tyrrell I, et al.

J Clin Microbiol. 1995 Apr;33(4):930-6.

34.

Polyclonal and monoclonal antibody and PCR-amplified small-subunit rRNA identification of a microsporidian, Encephalitozoon hellem, isolated from an AIDS patient with disseminated infection.

Visvesvara GS, Leitch GJ, da Silva AJ, Croppo GP, Moura H, Wallace S, Slemenda SB, Schwartz DA, Moss D, Bryan RT, et al.

J Clin Microbiol. 1994 Nov;32(11):2760-8.

36.

Immunofluorescence and western blot analysis of microsporidia using anti-Encephalitozoon hellem immunoglobulin G monoclonal antibodies.

Croppo GP, Leitch GJ, Wallace S, Visvesvara GS.

J Eukaryot Microbiol. 1994 Sep-Oct;41(5):31S. No abstract available.

PMID:
7804232
37.

Putative anticryptosporidial agents tested with an immunodeficient mouse model.

Leitch GJ, He Q.

Antimicrob Agents Chemother. 1994 Apr;38(4):865-7.

38.

Inhibition of microsporidian spore germination.

Leitch GJ, Visvesvara GS, He Q.

Parasitol Today. 1993 Nov;9(11):422-4.

PMID:
15463684
39.

Inhibition of the spore polar filament extrusion of the microsporidium, Encephalitozoon hellem, isolated from an AIDS patient.

Leitch GJ, He Q, Wallace S, Visvesvara GS.

J Eukaryot Microbiol. 1993 Nov-Dec;40(6):711-7.

PMID:
8292991
40.

Effects of protein malnutrition on experimental giardiasis in the Mongolian gerbil.

Leitch GJ, Udezulu IA, He Q, Visvesvara GS.

Scand J Gastroenterol. 1993 Oct;28(10):885-93.

PMID:
8266017
42.
43.

Culture, electron microscopy, and immunoblot studies on a microsporidian parasite isolated from the urine of a patient with AIDS.

Visvesvara GS, Leitch GJ, Moura H, Wallace S, Weber R, Bryan RT.

J Protozool. 1991 Nov-Dec;38(6):105S-111S.

PMID:
1818126
44.

Leptomyxid ameba, a new agent of amebic meningoencephalitis in humans and animals.

Visvesvara GS, Martinez AJ, Schuster FL, Leitch GJ, Wallace SV, Sawyer TK, Anderson M.

J Clin Microbiol. 1990 Dec;28(12):2750-6. Review.

45.

Dietary fiber and giardiasis: dietary fiber reduces rate of intestinal infection by Giardia lamblia in the gerbil.

Leitch GJ, Visvesvara GS, Wahlquist SP, Harmon CT.

Am J Trop Med Hyg. 1989 Nov;41(5):512-20.

PMID:
2554737
47.

Movement of Entamoeba histolytica trophozoites in rat cecum and colon intact mucus blankets and harvested mucus gels.

Leitch GJ, Harris-Hooker SA, Udezulu IA.

Am J Trop Med Hyg. 1988 Sep;39(3):282-7.

PMID:
2902807
49.

A membrane-associated neuraminidase in Entamoeba histolytica trophozoites.

Udezulu IA, Leitch GJ.

Infect Immun. 1987 Jan;55(1):181-6.

50.

The effects of ethanol on mucociliary clearance.

Leitch GJ, Frid LH, Phoenix D.

Alcohol Clin Exp Res. 1985 May-Jun;9(3):277-80.

PMID:
3893200

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