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Modes and motifs in multicellular communication

Anna C Kögler1, Patrick Müller1

  • 1University of Konstanz, Konstanz, Germany.

Cell Systems
|January 18, 2024
PubMed

Insights

Cellular responses are controlled by signaling pathways using combinations of ligands and receptors. These pathway components are surprisingly shared across different cell types and states, indicating conserved signaling mechanisms.

Area of Science:

  • Cellular biology
  • Molecular signaling
  • Genomics

Background:

  • Cellular responses are mediated by complex signaling pathways involving numerous ligand and receptor variants.
  • These interactions are hypothesized to function combinatorially to generate diverse cellular outcomes.
  • Previous research suggested pathway specificity, but the extent of component sharing was unclear.

Purpose of the Study:

  • To investigate the combinatorial usage of signaling pathway components.
  • To determine if signaling pathway components are shared between distinct cell states.
  • To analyze transcriptome data for insights into signaling pathway composition.

Main Methods:

  • Transcriptome analysis of various cell states.
  • Bioinformatic analysis of gene expression patterns.
  • Comparative analysis of signaling pathway component usage.

Main Results:

  • Transcriptome data revealed that signaling pathway components are frequently utilized in shared combinations.
  • These shared combinations were observed across cell states that were otherwise dissimilar.
  • The combinatorial logic of signaling pathways appears to be conserved.

Conclusions:

  • Signaling pathways employ a combinatorial code of ligands and receptors.
  • A significant overlap exists in pathway component usage across different cell states.
  • This suggests fundamental, conserved mechanisms governing cellular communication and response.

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