Results 111 to 120 of about 10,337 (219)

Leishmania amazonensis exhibits phosphatidylserine-dependent procoagulant activity, a process that is counteracted by sandfly saliva

open access: yesMemorias do Instituto Oswaldo Cruz, 2013
Leishmania parasites expose phosphatidylserine (PS) on their surface, a process that has been associated with regulation of host's immune responses.
Natalia Cadaxo Rochael   +6 more
doaj   +1 more source

Leishmania in synanthropic rodents (Rattus rattus): new evidence for the urbanization of Leishmania (Leishmania) amazonensis [PDF]

open access: yes, 2017
This study aimed to detect parasites from Leishmania genus, to determine the prevalence of anti-Leishmania spp. antibodies, to identify circulating species of the parasite, and to determine epidemiological variables associated with infection in rats ...
Mônica Raquel Sbeghen   +8 more
core   +1 more source

Arginase expression modulates nitric oxide production in Leishmania (Leishmania) amazonensis.

open access: yes, 2017
Arginase is an enzyme that converts L-arginine to urea and L-ornithine, an essential substrate for the polyamine pathway supporting Leishmania (Leishmania) amazonensis replication and its survival in the mammalian host.
Juliana Ide Aoki   +6 more
core   +1 more source

Padronização do cultivo de amastigotas axênicos e intracelulares de Leishmania spp. e análise da atividade leishmanicida de chalconas [PDF]

open access: yes, 2008
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas.
Silva, Daniela Gaspar da
core  

Investigating the role of the Leishmania (Leishmania) major HASP and SHERP genes during metacyclogenesis in the sand fly vectors, Phlebotomus (Phlebotomus) papatasi and Ph. (Ph.) duboscqi [PDF]

open access: yes, 2013
Leishmania parasites are the causative agents of a diverse spectrum of infectious diseases termed the leishmaniases. These digenetic parasites exist as intracellular, aflagellate amastigotes in a mammalian host and as extracellular flagellated ...
Doehl, Johannes
core  

Genetic diversity in the Leishmania donovani complex. [PDF]

open access: yes
The Leishmania donovani complex comprises four described species: L. donovani, L. archibaldi, L. infantum and L. chagasi. L. chagasi is the only New World species and has been considered similar to L.
Mauricio, Isabel Larguinho
core   +1 more source

Anti-leishmanial Activity of Justicidone and its Synthetic Precursors

open access: yesNatural Product Communications, 2007
Justicidone, a C-5, C-8 dioxo-lignan of the arylnaphthalene type isolated from Justicia hyssopifolia, and its synthetic precursors were tested for the activity against Leishmania braziliensis and Leishmania amazonensis promastigotes in vitro. Justicidone
Carlos José Boluda   +8 more
doaj   +1 more source

Drosophila Model of Leishmania amazonensis Infection

open access: yes, 2018
This protocol describes how to generate and harvest antibody-free L. amazonensis amastigotes, and how to infect adult Drosophila melanogaster with these parasites.
Silverman, Neal, Okuda, Kendi
core   +1 more source

Studies on the Effectiveness of Diarylheptanoids Derivatives against Leishmania amazonensis

open access: yes, 1999
Mem Inst Oswaldo Cruz, Rio de Janeiro, Vol. 94(6): 971-974, Nov./Dec. 1999 Studies on the Effectiveness of Diarylheptanoids Derivatives against Leishmania amazonensis Catarina AC Araujo, Leila V Alegrio, Denise CF Gomes, Marco Edilson F Lima, Leonardo ...

core   +1 more source

Chronic infection by Leishmania amazonensis mediated through MAPK ERK mechanisms

open access: yes, 2014
Leishmania amazonensis is an intracellular protozoan parasite responsible for chronic cutaneous leishmaniasis (CL). CL is a neglected tropical disease responsible for infecting millions of people worldwide. L.
Martinez, Pedro
core   +1 more source

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