Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Sequence-simplification and chimeric assembly: new models of peptide antigen modification.

Maria Rossi1, Vincenzo Manfredi, Menotti Ruvo

  • 1TECNOGEN S.C.p.A., Parco Scientifico, 81015 Piana di Monte Verna (CE), Italy.

Molecular Immunology
|November 5, 2002
PubMed
Summary

Simplified peptide antigens can possess dual recognition surfaces, enabling independent antigen-antibody interactions. This discovery allows for the creation of novel chimeric structures with dual specificity, advancing immunogenic design.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

A new trastuzumab-ageritin-based immunotoxin that specifically kills breast cancer cells.

International journal of biological macromolecules·2026
Same author

Side Reaction Analysis in Solid-Phase Peptide Synthesis: A Case Study in the Glu-Asp-Tyr Motif.

Journal of peptide science : an official publication of the European Peptide Society·2025
Same author

Selection of short Gadd45β-binding peptides through a synergistic computational and biophysical approach.

Protein science : a publication of the Protein Society·2025
Same author

Tissue factor derived β-hairpin peptides that bind and inhibit FVII activity.

European journal of medicinal chemistry·2025
Same author

Editor's Note: RIP1-HAT1-SIRT Complex Identification and Targeting in Treatment and Prevention of Cancer.

Clinical cancer research : an official journal of the American Association for Cancer Research·2025
Same author

A novel therapeutic approach targeting PD-L1 in HNSCC and bone marrow-derived mesenchymal stem cells hampers pro-metastatic features in vitro: perspectives for blocking tumor-stroma communication and signaling.

Cell communication and signaling : CCS·2025

Area of Science:

  • Immunology
  • Biochemistry
  • Molecular Biology

Background:

  • Peptide antigens are crucial in immunology for antibody induction.
  • Understanding antigen structure-antibody interactions is key to vaccine and therapeutic development.
  • Current methods often focus on single epitope recognition.

Purpose of the Study:

  • To investigate if simplified peptide antigens can present multiple, independent recognition surfaces.
  • To explore the potential of creating chimeric peptide antigens with dual specificity.
  • To assess the antigenic properties and cross-reactivity of these novel peptide structures.

Main Methods:

  • Synthesis of sequence-simplified peptide variants by introducing glycine residues.
  • Induction of antibodies in rabbits using these simplified peptides.

Related Experiment Videos

  • Affinity purification of antibodies and characterization using ELISA, affinity chromatography, and optical biosensors.
  • Design and synthesis of "chimeric" peptide forms combining features of different parent peptides.
  • Testing cross-reactivity between parent peptides, simplified variants, and chimeric antigens.

    • Main Results:

    • Simplified peptide variants reacted significantly with anti-parent peptide antibodies.
    • Antibodies against simplified peptides recognized the parent peptide with similar affinity and specificity.
    • No cross-reactivity was observed between reduced antigens, suggesting distinct recognition surfaces.
    • Chimeric peptides retained antigenic properties and demonstrated dual recognition of parent peptides.
    • Anti-chimeric antibodies recognized both parent peptides, but no cross-reactivity occurred between chimeric antigens.

    Conclusions:

    • Peptide antigens can possess two distinct molecular surfaces for recognition, each interacting independently with antibodies.
    • Sequence simplification and chimeric design enable the creation of novel immunogenic structures with dual specificity.
    • This approach offers new possibilities for designing antigens for targeted antibody generation and therapeutic applications.