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Related Experiment Videos

Conventional antibodies: requirements and methods for their optimization

S Ménard1, F Bottero, C Bottini

  • 1Division of Experimental Oncology E, Istituto Nazionale Tumori, Milano, Italy.

The International Journal of Biological Markers
|July 1, 1993
PubMed
Summary

Monoclonal antibodies (MAbs) show promise in cancer diagnosis and therapy, but murine origin and size limit effectiveness. Properly selected and engineered MAbs can overcome these issues for successful tumor imaging and treatment.

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Area of Science:

  • Immunology
  • Oncology
  • Biotechnology

Background:

  • Monoclonal antibodies (MAbs) were discovered 18 years ago.
  • MAbs have faced challenges in clinical applications, including immune responses and poor tumor penetration.

Purpose of the Study:

  • To evaluate the fulfillment of the promise of monoclonal antibodies in diagnosis and therapy.
  • To address the limitations of murine monoclonal antibodies in human patients.

Main Methods:

  • Review of existing studies on monoclonal antibody efficacy and limitations.
  • Analysis of strategies to overcome challenges associated with MAb origin and size.

Main Results:

  • Murine MAbs often elicit immune responses in humans, reducing therapeutic efficacy.

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  • The large size of MAbs hinders penetration into solid tumors.
  • Selected and engineered MAbs demonstrate success in tumor imaging and therapy.

    • Conclusions:

    • Monoclonal antibodies have the potential for significant impact in oncology.
    • Engineering and careful selection are crucial for overcoming MAb limitations.
    • Modified MAbs offer viable options for improved cancer diagnosis and treatment.