Results 11 to 20 of about 995 (162)

Cyclooxygenase (COX)-2 Inhibitors Reduce Toxoplasma gondii Infection and Upregulate the Pro-inflammatory Immune Response in Calomys callosus Rodents and Human Monocyte Cell Line [PDF]

open access: yesFrontiers in Microbiology, 2019
Toxoplasma gondii is able to infect a wide range of vertebrates, including humans. Studies show that cyclooxygenase-2 (COX-2) is a modulator of immune response in multiple types of infection, such as Trypanosoma cruzi. However, the role of COX-2 during T.
Ana Carolina Alcântara Pereira   +14 more
doaj   +2 more sources

Calomys callosus chronically infected by Toxoplasma gondii clonal type II strain and reinfected by Brazilian strains is not able to prevent vertical transmission [PDF]

open access: yesFrontiers in Microbiology, 2015
Considering that Toxoplasma gondii has shown high genetic diversity in Brazil, the aim of this study was to determine whether C. callosus chronically infected by the ME-49 strain might be susceptible to reinfection by these Brazilian strains, including ...
Priscila Silva Franco   +8 more
doaj   +2 more sources

Does the widely distributed rodent Calomys tener (Cricetidae: Sigmodontinae) constitute a single evolutionary unit? [PDF]

open access: yesZoologia (Curitiba), 2019
The nominal species Calomys tener (Winge, 1887) ranges broadly in open lands of the Caatinga, Cerrado, Pantanal and Mata Atlântica of Brazil, and was recently reported from the Pampas of southern Brazil, and in the Selva Paranaense of eastern Paraguay ...
Raul E. Gonzalez-Ittig   +3 more
doaj   +6 more sources

Effects of Schistosomal mansoni infection on Calomys callosus coelom-associated lymphomyeloid tissue (milky spots) [PDF]

open access: yesMemorias do Instituto Oswaldo Cruz, 1998
Calomys callosus Rengger, 1830 (Rodentia: Cricetidae) is a mouse-like South American wild rodent, which is permissive to Schistosoma mansoni infection. In this paper we studied the effect of schistosomal infection in C.
Jane A Lenzi   +6 more
doaj   +4 more sources

Barreira placentaria de Calomys callosus (Rodentia, Cricetidae)

open access: yesBioscience Journal, 2006
O presente trabalho objetivou caracterizar ultra-estruturalmente a barreira placentária de Calomys callosus. Calomys callosus é um roedor de pequeno tamanho encontrado no cerrado brasileiro, principalmente na região do estado de Goiás.
Jean Ezequiel Limongi   +1 more
doaj   +1 more source

Study of the social hierarchy and territoriality of Calomys callosus Rengger, 1830 (Rodentia: Cricetidae) [PDF]

open access: yesBrazilian Journal of Biology, 2007
The genus Calomys comprises a lot of species distributed throughout South America. The species C. callosus Rengger, 1830 occur in Brazil, been often used in laboratory experiments.
CP. Póvoa, MAM. Brandeburgo
doaj   +4 more sources

Intestinal fibrovascular nodules caused by Schistosoma mansoni infection in Calomys callosus Rengger, 1830 (Rodentia: Cricetidae): a model of concomitant fibrosis and angiogenesis [PDF]

open access: yesMemorias do Instituto Oswaldo Cruz, 2002
Human schistosomiasis develops extensive and dense fibrosis in portal space, together with congested new blood vessels. This study demonstrates that Calomys callosus infected with Schistosoma mansoni also develops fibrovascular lesions, which are found ...
Jane A Lenzi   +6 more
doaj   +2 more sources

Neuroprotective Treatments for Digestive Forms of Chagas Disease in Experimental Models: A Systematic Review. [PDF]

open access: yesOxid Med Cell Longev, 2022
Chagas disease is an anthropozoonosis caused by the protozoan Trypanosoma cruzi and is characterized as a neglected disease. It is currently endemic in 21 countries on the Latin American continent, including Bolivia, Argentina, and Paraguay. Unfortunately, there are no optimally effective treatments that can reduce the damage caused in the digestive ...
do Carmo Neto JR   +4 more
europepmc   +2 more sources

Acute inflammatory response to a foreign body in Calomys callosus Perfil de migração celular agudo induzido pela presença de corpo estranho em Calomys callosus

open access: yesCiência Animal Brasileira, 2008
<span><p align="justify">Calomys callosus are wild rodents present in the Brazilian savannas that were adapted to the laboratorial conditions.
André Kipnis   +3 more
doaj   +1 more source

Caracterizacao morfologica e morfometrica das celulas do sangue de Calomys callosus

open access: yesBioscience Journal, 2006
Calomys callosus é um roedor da família Cricetidae encontrado no cerrado brasileiro. É um animal de grande importância epidemiológica, por ser portador de diversos agentes patogênicos.
Marcos Silva   +2 more
doaj   +1 more source

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