Cell communication

OpenStax

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Signaling molecules and cellular receptors

1 Forms of signaling

2 Paracrine signaling

3 Endocrine signaling

4 Autocrine signaling

5 Direct signaling across gap junctions

6 Types of receptors

7 Internal receptors

8 Cell-surface receptors

9 Signaling molecules

10 Small hydrophobic ligands

11 Water-soluble ligands

12 Other ligands

13 Section summary

14 Art connections

Propagation of the signal

1 Binding initiates a signaling pathway

2 Methods of intracellular signaling

3 Phosphorylation

4 Second messengers

5 Section summary

6 Art connections

Response to the signal

1 Gene expression

2 Increase in cellular metabolism

5 Termination of the signal cascade

6 Section summary

Signaling in single-celled organisms

1 Signaling in yeast

2 Signaling in bacteria

3 Section summary

4 Art connections

Source: OpenStax, Biology. OpenStax CNX. Feb 29, 2016 Download for free at http://cnx.org/content/col11448/1.10

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