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ROCs and SOCs: what's in a name?
1St. Joseph's Hospital, Firestone Institute for Respiratory Health, McMaster University, Hamilton, Ontario, Canada. janssenl@mcmaster.ca <janssenl@mcmaster.ca>
Cell Calcium
|August 29, 2006
Summary
Clarifying calcium channel terminology is crucial for understanding physiological responses. This paper defines criteria to distinguish receptor-operated channels (ROCs) and store-operated channels (SOCs), addressing current ambiguity.
Area of Science:
- Cellular physiology
- Molecular biology
- Calcium signaling
Background:
- Calcium ions (Ca2+) play vital roles in numerous physiological processes.
- Distinguishing between external and internal Ca2+ sources is critical for understanding these roles.
- Current terminology, particularly for receptor-operated channels (ROCs) and store-operated channels (SOCs), lacks precision and causes confusion.
Purpose of the Study:
- To address the ambiguity in terminology surrounding calcium channels.
- To establish clear criteria for differentiating between ROCs and SOCs.
- To improve clarity in the field of calcium signaling research.
Main Methods:
- Review of fundamental principles of ion channel gating.
- Analysis of current literature for examples of imprecise terminology.
- Proposal of precise definitions and criteria for classifying calcium channels.
Main Results:
- Identification of over-use and blurring of distinctions for ROC and SOC terminology.
- Establishment of criteria based on channel gating principles to differentiate channel functions.
- Proposed solutions to the terminological quandary in calcium channel research.
Conclusions:
- Precise terminology is essential for advancing the understanding of Ca2+ roles in physiology.
- Clearer definitions for ROCs and SOCs will enhance research accuracy.
- Adoption of proposed criteria will resolve current ambiguities in the field.
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