Protein-protein interactions (PPIs) are a major organizational element in the cell. Mapping them as comprehensively as possible is necessary to understand the mechanisms behind every cellular process ...

Cells secrete numerous proteins and other biomolecules into their surroundings to achieve critical functions—from communicating with other cells to blocking the activity of pathogens. Secretion of ...

The second hypothesis proposes that the trigger signal spreads from cell to cell through gap junctions, specialized intercellular connections that directly link two cells at points where they touch.