The evolutionary dynamics of variant antigen genes in Babesia reveal a history of genomic innovation underlying host-parasite interaction [PDF]
Babesia spp. are tick-borne, intraerythrocytic hemoparasites that use antigenic variation to resist host immunity, through sequential modification of the parasite-derived variant erythrocyte surface antigen (VESA) expressed on the infected red blood cell
Allred, David R. +30 more
core +6 more sources
This work has the objective of verifying the interference of infectious bursal disease virus in the antibody production against Newcastle disease virus and infectious bronchitis virus.
WM Cardoso +8 more
doaj +1 more source
COLONOSCOPY AND CARCINOEMBRYONIC ANTIGEN VARIATIONS [PDF]
Context Colonoscopy is essential for synchronous and metachronous cancer detection. Carcinoembryonic antigen is a colorectal cancer tumor marker, important as a follow-up tool in patients with previous colorectal cancer. False-positive carcinoembryonic antigen elevation results in multiples exams and in patient anxiety.
SOUSA, Rita G +5 more
openaire +4 more sources
Characterization and gene expression analysis of the cir multi-gene family of plasmodium chabaudi chabaudi (AS) [PDF]
Background: The pir genes comprise the largest multi-gene family in Plasmodium, with members found in P. vivax, P. knowlesi and the rodent malaria species.
Berriman, Matthew +11 more
core +3 more sources
The var genes of Plasmodium falciparum code for the antigenically variant erythrocyte membrane proteins 1 (PfEMP1), a major factor for cytoadherence and immune escape of the parasite.
Gerhard Wunderlich +5 more
doaj +1 more source
Influenza A virus hemagglutinin antibody escape promotes neuraminidase antigenic variation and drug resistance. [PDF]
Drugs inhibiting the influenza A virus (IAV) neuraminidase (NA) are the cornerstone of anti-IAV chemotherapy and prophylaxis in man. Drug-resistant mutations in NA arise frequently in human isolates, limiting the therapeutic application of NA inhibitors.
Scott E Hensley +6 more
doaj +1 more source
The effects of symmetry on the dynamics of antigenic variation
In the studies of dynamics of pathogens and their interactions with a host immune system, an important role is played by the structure of antigenic variants associated with a pathogen.
A Fässler +61 more
core +1 more source
African Trypanosomes undermine humoral responses and vaccine development : link with inflammatory responses? [PDF]
African trypanosomosis is a debilitating disease of great medical and socioeconomical importance. It is caused by strictly extracellular protozoan parasites capable of infecting all vertebrate classes including human, livestock, and game animals.
Achcar +160 more
core +1 more source
A histone methyltransferase modulates antigenic variation in African trypanosomes. [PDF]
To evade the host immune system, several pathogens periodically change their cell-surface epitopes. In the African trypanosomes, antigenic variation is achieved by tightly regulating the expression of a multigene family encoding a large repertoire of ...
Luisa M Figueiredo +2 more
doaj +1 more source
Recent advances in malaria genomics and epigenomics [PDF]
Malaria continues to impose a significant disease burden on low- and middle-income countries in the tropics. However, revolutionary progress over the last 3 years in nucleic acid sequencing, reverse genetics, and post-genome analyses has generated step ...
Kirchner, Sebastian +2 more
core +1 more source

