Lecture 17 - 030111

Lecture 17 - 030111 - Lecture Professor Julian Schroeder I....

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Lecture Professor Julian Schroeder I. Chemical Classes II. Mechanism of Hormone Action III. Diversity of Specificity IV. Amplification of Signal I. CHEMICAL CLASSES 1) Steroid Hormones: hydrophobic 2) Amines: derived from amino acids usually tyrosine; small molecules ex. epinephrine = adrenaline 3) Peptides: amino acid chains insulin, glucagon, ADH 4) Other Compounds ex. prostaglandins; synthesized from fatty acids
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 II. MECHANISM OF HORMONE ACTION A. Lipid Soluble Hormones (Steroids) Pass through membranes Enter all cells Exert effects only if cells have receptor Example: progesterone and estrogen Figure 11.6 • Steroid hormone video
Background image of page 2
3 II. MECHANISM OF HORMONE ACTION B. Water Soluble Hormones Bind to specific membrane receptors Turn on intracellular second messenger cascade Regulates cell metabolism Figure 11.5 Figure 11.5
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Figure 11.5 • Soluble hormone video II. MECHANISM OF HORMONE ACTION C. Signaling Cascade 1) Hormone 2) Receptor 3) Coupling Protein
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 8

Lecture 17 - 030111 - Lecture Professor Julian Schroeder I....

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online