Complement evasion: an effective strategy that parasites utilize to survive in the host

S Shao, X Sun, Y Chen, B Zhan, X Zhu - Frontiers in microbiology, 2019 - frontiersin.org
Parasitic infections induce host immune responses that eliminate the invading parasites.
However, parasites have evolved to develop many strategies to evade host immune attacks …

Trypanosoma cruzi evades the complement system as an efficient strategy to survive in the mammalian host: the specific roles of host/parasite molecules and …

G Ramírez-Toloza, A Ferreira - Frontiers in microbiology, 2017 - frontiersin.org
American Trypanosomiasis is an important neglected reemerging tropical parasitism,
infecting about 8 million people worldwide. Its agent, Trypanosoma cruzi, exhibits multiple …

May the epimastigote form of Trypanosoma cruzi be infective?

W De Souza, ES Barrias - Acta tropica, 2020 - Elsevier
For many years it has been considered that there are three basic developmental stages of
Trypanosoma cruzi: Epimastigote (Epi), Amastigote (Ama) and Trypomastigote (Typo). Epi …

Metacyclogenesis as the Starting Point of Chagas Disease

AZL Ferreira, CN de Araújo, ICC Cardoso… - International Journal of …, 2023 - mdpi.com
Chagas disease is a neglected infectious disease caused by the protozoan Trypanosoma
cruzi, primarily transmitted by triatomine vectors, and it threatens approximately seventy-five …

The many faces of parasite calreticulin

D Esperante, A Flisser, F Mendlovic - Frontiers in Immunology, 2023 - frontiersin.org
Calreticulin from parasites and its vertebrate hosts share~ 50% identity and many of its
functions are equally conserved. However, the existing amino acid differences can affect its …

The interactions of parasite calreticulin with initial complement components: consequences in immunity and virulence

G Ramírez-Toloza, L Aguilar-Guzmán, C Valck… - Frontiers in …, 2020 - frontiersin.org
Because of its capacity to increase a physiologic inflammatory response, to stimulate
phagocytosis, to promote cell lysis and to enhance pathogen immunogenicity, the …

Is It Possible to Intervene in the Capacity of Trypanosoma cruzi to Elicit and Evade the Complement System?

G Ramírez-Toloza, L Aguilar-Guzmán, C Valck… - Frontiers in …, 2021 - frontiersin.org
Chagas' disease is a zoonotic parasitic ailment now affecting more than 6 million people,
mainly in Latin America. Its agent, the protozoan Trypanosoma cruzi, is primarily transmitted …

Trypanosoma cruzi calreticulin: immune evasion, infectivity, and tumorigenesis

G Ramírez-Toloza, E Sosoniuk-Roche, C Valck… - Trends in …, 2020 - cell.com
To successfully infect, Trypanosoma cruzi evades and modulates the host immune
response. T. cruzi calreticulin (TcCalr) is a multifunctional, endoplasmic reticulum (ER) …

[HTML][HTML] Complement system contributes to modulate the infectivity of susceptible TcI strains of Trypanosoma cruzi

RD Arroyo-Olarte, I Martínez, M Cruz-Rivera… - Memórias do Instituto …, 2018 - SciELO Brasil
BACKGROUND Trypanosoma cruzi is a protozoan parasite and an etiological agent of
Chagas disease. There is a wide variability in the clinical outcome of its infection, ranging …

Variable numbers of calreticulin genes in Trypanosoma cruzi correlate with atypical morphology and protein expression

A González, S Härtel, J Mansilla, F Sánchez-Valdéz… - Immunobiology, 2018 - Elsevier
Trypanosoma cruzi calreticulin (TcCalr, formerly known as TcCRT), upon binding to
Complement (C) C1 and ficolins, inhibits the classical and lectin pathways and promotes …