"Immunodominance in Virus-Induced CD8+ T-Cell Responses Is Dramatically Modified by DNA Immunization and Is Regulated by Gamma Interferon"
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"Immunodominance in
Virus-Induced CD8+ T-Cell Responses Is Dramatically Modified by DNA Immunization
and Is Regulated by Gamma Interferon" Journal of Virology Online (jvi.asm.org)
(05/02/02) Vol. 76, No. 9, P. 4251; Rodriguez, Fernando; Harkins, Stephanie;
Slifka, Mark K.
Immunodominance, the
response of the human immune system to just a few of the many possible epitopes
of a foreign protein occurring during microbial infection and after vaccination,
needs to be better understood so that more effective and straightforward
vaccines can be developed to avoid the phenomenon. Immunodominance can affect
DNA vaccines, but can be avoided simply be separating epitopes. DNA vaccines
that have isolated dominant and subdominant epitopes cause similar responses in
the immune system. As a result, the researchers suggest that multiple-epitope
DNA vaccines in the future consist of a blend of plasmids, each expressing its
own epitope, the better to disperse among antigen-presenting cells in the body.
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