Potential Crossreactivity of Human Immune Responses Against HCMV Glycoprotein B

Current Drug Discovery Technologies
Guglielmo Lucchese, Darja Kanduc

Abstract

Antigens of infectious agents share amino acid sequences with human proteins. Such a peptide matching may lead to autoimmunity through crossreactivity phenomena following pathogen infection and/or immunotherapeutic approaches. In this framework, we analyzed as a model the primary sequence of human cytomegalovirus (HCMV) glycoprotein B (gB) protein and searched for viral peptide sequences shared with human proteins. We show that the HCMV antigen has a high peptide identity with a large number of human proteins at the penta-, hexa-, and heptapeptide level, with the viral versus human peptide overlap involving host proteins implicated in crucial processes such as embryonic development, spermatogenesis, spatial learning, and hippocampal plasticity, inter alia. This study might help understand the etiology of the pathologic sequela associated with HCMV (re)activation and, in addition, address scientific and clinical research toward the definition of antiviral therapeutics based on non-crossreactive viral sequences.

Citations

Jan 24, 2017·Immunologic Research·Yahel SegalYehuda Shoenfeld
May 26, 2018·Current Drug Discovery Technologies·Darja Kanduc
Aug 2, 2019·Clinical Immunology : the Official Journal of the Clinical Immunology Society·Georgios EfthymiouLazaros I Sakkas

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