cDNA Sequence and Fab Crystal Structure of HL4E10, a Hamster IgG Lambda Light Chain Antibody Stimulatory for γδ T Cells
2011

Structure and Function of the HL4E10 Antibody in Stimulating γδ T Cells

publication Evidence: moderate

Author Information

Author(s): Verdino Petra, Witherden Deborah A., Podshivalova Katie, Rieder Stephanie E., Havran Wendy L., Wilson Ian A.

Primary Institution: The Scripps Research Institute

Hypothesis

The HL4E10 antibody can identify novel costimulatory molecules on γδ T cells.

Conclusion

The HL4E10 antibody is the first example of a hamster lambda light chain and shows potential for clinical relevance in treating diseases associated with γδ T cell dysfunction.

Supporting Evidence

  • The HL4E10 antibody binds to the JAML protein on γδ T cells, leading to their activation.
  • This study provides the first complete cDNA sequence of a hamster lambda light chain.
  • The crystal structure of HL4E10 reveals a rigid combining site optimized for ligand binding.
  • HL4E10 may have clinical applications in treating chronic wounds and cancer.

Takeaway

Scientists created a special hamster antibody that helps a type of immune cell called γδ T cells work better, which could help treat some diseases.

Methodology

The study involved generating monoclonal antibodies, sequencing cDNA, and determining the crystal structure of the HL4E10 Fab fragment.

Limitations

The study is limited by the sparse existing sequence information for hamster immunoglobulins.

Digital Object Identifier (DOI)

10.1371/journal.pone.0019828

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