Publicaciones científicas

Induction of cytotoxic T lymphocytes in mice against the principal neutralizing domain of HIV-1 by immunization with an engineered T-cytotoxic-T-helper synthetic peptide construct

Lasarte JJ, Sarobe P, Gullón A, Prieto J, Borrás-Cuesta F.
Departamento de Medicina Interna, Universidad de Navarra, Facultad de Medicina, Pamplona, Spain

Revista: Cellular Immunology

Fecha: 15-abr-1992

Medicina Interna

Peptide constructs were engineered by colinear synthesis of two short synthetic peptide determinants; a determinant recognized by T helper cells (TDh) and a determinant recognized by T cytotoxic cells (TDc). Three types of constructs were synthesized: TDc-TDh, TDh-TDc, and TDh-KK-TDc, where KK are two lysine residues. In vivo immunization with free construct induced cytolytic lymphocytes (CTL) only in the case of TDc-TDh.

However, immunization with spleen cells to which these constructs had been internalized by hypertonic shock, induced CTL activity in all three cases. No CTL could be induced after immunization with free TDc in either protocol. These results indicate that cell internalization of the construct might be essential for CTL induction, and also, that help from the TDh seems to be required.

CITA DEL ARTÍCULO Cell Immunol. 1992 Apr 15;141(1):211-8

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