Cell Communication

This video provides the content for your “Basics” class notes.

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Bring your notes to class.

Cell Signaling

Types of Signaling: Types of Receptors:

Intracellular signaling

Cell-cell recognition

Local Signaling

Paracrine signaling:

Synaptic signaling:

Hormone signaling

Three steps to signaling

1. Types of signaling (local, paracrine, hormone, etc)

2. Three steps of signaling

3. Four types of receptors

G-protein coupled receptors

receptor G-protein enzyme

G-protein coupled receptors

1. 2. 3. 4.

Tyrosine kinase receptor

Tyrosine kinase receptor

1. 2. 3. 4.

Ligand gated ion channels

Ligand gated ion channels

1. 2. 3.

Intracellular receptors

Intracellular receptors

Found:

Common ligands:

Location of action:

Steps in response:

1.

2.

3.

4.

5.

Prep for Basics Quiz

Can you do the following?

• Describe and give examples of intracellular signaling, cell surface signaling, local signaling, and hormone signaling

• Name and describe the three steps of signaling

• Describe and give examples of G protein linked receptors, tyrosine kinase receptors, ligand gated ion channels, and intracellular receptors