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Updated: May 31, 2026
10:46
Mechanical Stimulation-induced Calcium Wave Propagation in Cell Monolayers: The Example of Bovine Corneal Endothelial Cells
Published on: July 16, 2013
How do dynamic cellular signals travel long distances?
1Basic Research Program, SAIC-Frederick, Inc., Center for Cancer Research Nanobiology Program, NCI-Frederick, Frederick, MD 21702, USA. ruthnu@helix.nih.gov
Molecular Biosystems
|July 19, 2011
Summary
Cellular communication relies on signaling pathways that amplify signals for a robust response. Evolution optimized this process using modular networks, pre-encoded protein sequences, and compact protein interactions.
Area of Science:
- Cellular Biology
- Molecular Signaling
- Evolutionary Biology
Background:
- Cellular communication is fundamental for multicellular organisms.
- Signaling pathways amplify initial molecular signals for significant cellular responses.
- Efficient long-distance intracellular signal transmission remains a key question.
Purpose of the Study:
- To elucidate the evolutionary strategies enabling efficient long-distance signal transmission within cells.
- To identify the key molecular and organizational properties facilitating signal amplification and relay.
Main Methods:
- The study presents a theoretical argument based on established principles of molecular biology and network organization.
- It analyzes the roles of modularity, specific protein sequence features, and protein interaction dynamics.
Main Results:
- Evolution has favored a modular functional organization of cellular networks.
- Specific protein regions (linkers, loops) are pre-encoded to facilitate inter-domain signaling.
- Compact protein interactions, often involving conformational disorder, enhance signaling efficiency.
Conclusions:
- Cellular signaling efficiency is achieved through a combination of network architecture and molecular mechanisms.
- These evolutionary adaptations allow for rapid and amplified responses to extracellular signals.
- Understanding these principles is crucial for deciphering complex cellular processes.
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