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Immune evasion mechanisms of human CMV are known; however, the immune control of infection remains poorly elucidated. We show that interaction between the viral protein UL18 on infected cells and the invariant receptor CD85j/LIR-1/ILT2 expressed on CTL is ...
Viruses that induce chronic infections can evade immune responses. HIV is a prototype of this class of pathogen. Not only does it mutate rapidly and make its surface components difficult to access by neutralizing antibodies, but it also creates cellular hi ...
Exposure to human serum induces the lysis of xenogeneic cells through natural antibodies and complement activation. The carbohydrate Galactose-alpha1,3-Galactose (Gal-alpha1,3-Gal) epitope, has been shown to be the principal antigenic determinant on target ...
The issue of protein dynamics and its implications in the biological function of proteins are arousing greater and greater interest in different fields of molecular biology. In cryo-electron tomography experiments one may take several snapshots of a given ...
Aeromonads are ubiquitous gram-negative bacteria found in aqueous environments. Some members of the genus are pathogenic for fish, reptiles and cows. In humans, Aeromonas infection is mainly associated with grastrointestinal diseases, but in immuno-comprom ...
Monoclonal antibodies (Mabs) are valuable reagents for the purification, characterization and immunolocalization of proteins.In this study, we raised Mabs against human peroxisome proliferator-activated receptors (PPARs) using baculovirus particles display ...
This is the first report of two successful 100 l scale transienttransfections in a standard stirred bioreactor. More than half a gram of a monoclonal antibody (IgG) were produced in less than 10 days using a technology called large-scale transient gene exp ...
Using transient expression, high amounts (>20 mg/mL) of secreted anti-human Rhesus-D IgG1 were produced in a suspension-adapted HEK293 EBNA cell line (Meissner et al., Biotechnol Bioeng 75: 197-203, 2001). Time of harvest was 3 days after transfection. For ...
Human colon carcinoma Caco-2 cell monolayers undergo conversion into cells that share morphological and functional features of M cells when allowed to interact with B lymphocytes. A lymphotropic (X4) HIV-1 strain crosses M cell monolayers and infects under ...
A stepwise approach to the development of artificial O6-alkylguanine-DNA alkyltransferases (AGTs) and its application to the in vitro selection of antibodies with highly reactive cysteine residues are described. As a result of low reactivity of O6-alkylate ...