Increasing of Toxoplasma gondii (Coccidia, Sarcocystidae) infections by Trypanosoma lewisi (Kinetoplastida, Trypanosomatidae) in white rats

Guerrero Bermúdez, Olga Marta; Chinchilla Carmona, Misael; Abrahams Sandí, Elizabeth

dc.creator	Guerrero Bermúdez, Olga Marta
dc.creator	Chinchilla Carmona, Misael
dc.creator	Abrahams Sandí, Elizabeth
dc.date	2015-08-31
dc.date.accessioned	2016-05-03T15:26:45Z
dc.date.available	2016-05-03T15:26:45Z
dc.identifier	http://revistas.ucr.ac.cr/index.php/rbt/article/view/20895
dc.identifier.uri	https://hdl.handle.net/10669/25943
dc.description	To demonstrate that T. lewisi infection increases T. gondii multiplication in white rats, groups of five Wistar oc Sprague Dawley rats were inoculated with 106 T. lewisi trypomastigoles and four or seven days later infected with Toxoplasma tachyzoites. Host survival time was monitored, and !he presence of T. gondii was confirmed in all dead rals by studying peritoneal exudate smears and lung tissue sections stained with haematoxylin-eosin. The presence of Toxoplasma cysts or antibodies was ehecked in the brain oí surviving rals. The ¡nerease is observed four days after trypanosome inoculatíon and is dependen! on fat strain, bul not on inoculum size oc cat age. Humoral and cellular factors may have a role in ¡he ¡nerease as has been reported for other experimental infections with African trypanosomes and T. cruzi.	en
dc.description	To demonstrate that T. lewisi infection increases T. gondii multiplication in white rats, groups of five Wistar oc Sprague Dawley rats were inoculated with 106 T. lewisi trypomastigoles and four or seven days later infected with Toxoplasma tachyzoites. Host survival time was monitored, and !he presence of T. gondii was confirmed in all dead rals by studying peritoneal exudate smears and lung tissue sections stained with haematoxylin-eosin. The presence of Toxoplasma cysts or antibodies was ehecked in the brain oí surviving rals. The ¡nerease is observed four days after trypanosome inoculatíon and is dependen! on fat strain, bul not on inoculum size oc cat age. Humoral and cellular factors may have a role in ¡he ¡nerease as has been reported for other experimental infections with African trypanosomes and T. cruzi.	es-ES
dc.format	application/pdf
dc.language	eng
dc.publisher	Universidad de Costa Rica	en
dc.rights	Copyright (c) 2015 International Journal of Tropical Biology and Conservation	en
dc.source	Revista de Biología Tropical/International Journal of Tropical Biology and Conservation; Vol. 45 (2) 1997; 877-882	es-ES
dc.source	2215-2075
dc.source	0034-7744
dc.subject	toxoplasma gondii	en
dc.subject	trypanosoma lewisi	en
dc.subject	irnmunosuppression	en
dc.subject	rats	en
dc.title	Increasing of Toxoplasma gondii (Coccidia, Sarcocystidae) infections by Trypanosoma lewisi (Kinetoplastida, Trypanosomatidae) in white rats	en
dc.type	artículo original

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