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<p>The article examines the structural organization of mRNA vaccine, classification of tumor antigens, lessons from the use of mRNA vaccine in the Covid19 pandemic, the possibility of including mRNA vaccine in the genome of the vaccinated, the limitations of the immune system in terms of the existence of a continuum of protein affinity in the evolutionary hierarchy of organisms, and the causes of weak immunogenicity of neoantigens. The existence of restrictions on tripeptides in the primary structure of human proteins and pathogenic viruses to it are shown. The results of an analysis of the existence of homology between several canonical and noncanonical neoantigens and various human proteins are presented. Collisions with neoantigens are considered in the respect of the existence of an immunoepitope continuum of protein affinity, which causes the emergence of autotolerance of the immune system to neoantigens. Undetected or rarely occurring human and viral protein tripeptides can be used as potential biomarkers to predict the immunogenicity of neoantigens. The similarity of the structure of neoantigens to the immune epitopes of viral proteins, the infection of which induces lifelong immunity, is discussed as a possible biomarker of immunodominance and the potential to induce long-term immune memory.</p>

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mRNA Cancer Vaccines: Features of Problems and Collisions

  • 期刊论文

  • 发表日期：

    2025年3月1日

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  • E. P. Kharchenko

摘要

The article examines the structural organization of mRNA vaccine, classification of tumor antigens, lessons from the use of mRNA vaccine in the Covid19 pandemic, the possibility of including mRNA vaccine in the genome of the vaccinated, the limitations of the immune system in terms of the existence of a continuum of protein affinity in the evolutionary hierarchy of organisms, and the causes of weak immunogenicity of neoantigens. The existence of restrictions on tripeptides in the primary structure of human proteins and pathogenic viruses to it are shown. The results of an analysis of the existence of homology between several canonical and noncanonical neoantigens and various human proteins are presented. Collisions with neoantigens are considered in the respect of the existence of an immunoepitope continuum of protein affinity, which causes the emergence of autotolerance of the immune system to neoantigens. Undetected or rarely occurring human and viral protein tripeptides can be used as potential biomarkers to predict the immunogenicity of neoantigens. The similarity of the structure of neoantigens to the immune epitopes of viral proteins, the infection of which induces lifelong immunity, is discussed as a possible biomarker of immunodominance and the potential to induce long-term immune memory.