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Updated: Apr 26, 2026

Depletion of Specific Cell Populations by Complement Depletion
Published on: February 5, 2010
Complement nomenclature 2014
Claudia Kemper1, Michael K Pangburn2, Zvi Fishelson3
1Division of Transplantation Immunology and Mucosal Biology, MRC Centre for Transplantation, King's College London, Guy's Hospital, London, United Kingdom.
Insights
The Complement Nomenclature Committee has updated the official naming conventions for complement pathways, proteins, and related molecules. This revision, the first since 1981, aims to standardize terminology in scientific research.
Area of Science:
- Immunology
- Molecular Biology
Background:
- The complement system is crucial for innate and adaptive immunity.
- Standardized nomenclature is essential for clear scientific communication.
- The last comprehensive update to complement nomenclature was in 1981.
Purpose of the Study:
- To provide an updated and standardized nomenclature for the human complement system.
- To ensure consistent terminology across research publications and presentations.
- To facilitate clearer communication and understanding within the complement research community.
Main Methods:
- Convening the Complement Nomenclature Committee under the International Complement Society (ICS).
- Collaboration with the boards of the ICS and the European Complement Network (ECN).
- Review and consensus-building on recommended names for complement components.
Main Results:
- A comprehensive list of recommended names for complement pathways, proteins, protein complexes, and fragments.
- Updated nomenclature for complement receptors.
- Establishment of a new standard for complement terminology.
Conclusions:
- The updated nomenclature provides a unified framework for the field.
- Adoption of these names is recommended for all future complement research.
- This standardization will enhance the clarity and reproducibility of scientific findings.
Abstract:
The first update since 1981 of the nomenclature used in the field of complement has been completed by the Complement Nomenclature Committee established under the auspices of the International Complement Society (ICS) and by the boards of the ICS and the European Complement Network (ECN). Recommended names of complement pathways, proteins, protein complexes, protein fragments and receptors are listed. Authors are urged to use these names in their published and presented works.
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