Uptake of long chain fatty acids is regulated by dynamic interaction of FAT/CD36 with cholesterol/sphingolipid enriched microdomains (lipid rafts)
2008

How Fatty Acids Enter Cells

publication Evidence: moderate

Author Information

Author(s): Ehehalt Robert, Sparla Richard, Kulaksiz Hasan, Herrmann Thomas, Füllekrug Joachim, Stremmel Wolfgang

Primary Institution: Department of Gastroenterology, University Hospital Heidelberg

Hypothesis

The association of FAT/CD36 with lipid rafts regulates the uptake of long chain fatty acids.

Conclusion

Lipid rafts play a crucial role in the uptake of long chain fatty acids by facilitating the association of FAT/CD36.

Supporting Evidence

  • Overexpression of FAT/CD36 increased fatty acid uptake by over 20%.
  • Cholesterol depletion reduced fatty acid uptake by more than 50%.
  • FAT/CD36 co-localized with lipid raft markers, indicating its association with lipid rafts.

Takeaway

Cells need special areas in their membranes called lipid rafts to help them take in fatty acids, which are important for energy and health.

Methodology

The study analyzed the interaction of FAT/CD36 with lipid rafts using various biochemical techniques, including cholesterol depletion and uptake assays.

Limitations

The study primarily used COS cells, which may not fully represent other cell types.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2121-9-45

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication