5-Oxo-eicosatetraenoic acid

High school (ages 12+)
Human Body

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/5-oxo-eicosatetraenoic-acid

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the chemical formula?C20H30O4
2. What is the biosynthetic precursor?Arachidonic acid, via the 5-lipoxygenase pathway
3. How does 5-oxo-ETE help our body fight infections?It acts like a trail marker that tells immune cells, such as neutrophils and eosinophils, to move toward the place where they are needed.
4. Why do doctors want to stop 5-oxo-ETE in asthma?When there is too much of it, it can cause the airways to swell and tighten, making it hard to breathe.

Eicosanoid: Signaling molecules derived from 20-carbon fatty acids, playing roles in inflammation, immunity, and other physiological processes.
G Protein-Coupled Receptor (GPCR): A large family of cell surface receptors that transmit extracellular signals into cellular responses.
Chemotaxis: The directed movement of cells or organisms in response to a chemical stimulus.