The 4C5 Cell-Impermeable Anti-HSP90 Antibody with Anti-Cancer Activity, Is Composed of a Single Light Chain Dimer
2011

The 4C5 Cell-Impermeable Anti-HSP90 Antibody with Anti-Cancer Activity

Sample size: 20 publication 10 minutes Evidence: high

Author Information

Author(s): Sidera Katerina, El Hamidieh Avraam, Mamalaki Avgi, Patsavoudi Evangelia

Primary Institution: Hellenic Pasteur Institute

Hypothesis

Can a chimeric kappa light chain antibody be developed to inhibit cancer cell invasion and metastasis?

Conclusion

The chimeric 4C5 antibody significantly inhibits cancer cell invasion and reduces metastatic deposits in vivo.

Supporting Evidence

  • The chimeric antibody retained the specificity and functional properties of the original antibody.
  • In vitro assays showed a 46% reduction in cancer cell invasion.
  • In vivo studies demonstrated a 38% reduction in metastatic deposits in the lungs of treated mice.
  • The antibody was shown to be cell-impermeable, not affecting intracellular HSP90 function.
  • Statistical analysis confirmed significant differences in wound closure between treated and control groups.

Takeaway

Scientists created a special antibody that can stop cancer cells from spreading without harming healthy cells.

Methodology

The study involved cloning, sequencing, and constructing a chimeric antibody, followed by in vitro and in vivo assays to test its efficacy.

Potential Biases

Potential bias in the interpretation of results due to the authors' affiliations and funding sources.

Limitations

The study primarily focuses on a single antibody and its effects, which may not be generalizable to other antibodies or cancer types.

Participant Demographics

SCID mice were used for in vivo experiments.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1371/journal.pone.0023906

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