Endogenous Synthesis of n-3 Polyunsaturated Fatty Acids in Fat-1 Mice Is Associated with Increased Mammary Gland and Liver Syndecan-1
2011

Increased Mammary Gland and Liver Syndecan-1 in Fat-1 Mice Linked to n-3 Fatty Acids

Sample size: 10 publication 10 minutes Evidence: moderate

Author Information

Author(s): Sun Haiguo, Hu Yunping, Gu Zhennan, Wilson Martha D., Chen Yong Q., Rudel Lawrence L., Willingham Mark C., Edwards Iris J.

Primary Institution: Wake Forest School of Medicine

Hypothesis

Does the endogenous synthesis of n-3 polyunsaturated fatty acids in Fat-1 mice elevate syndecan-1 levels in mammary glands and livers?

Conclusion

Endogenously synthesized n-3 fatty acids are associated with increased syndecan-1 expression in the mammary gland and liver of Fat-1 mice.

Supporting Evidence

  • Fat-1 mice showed significantly higher levels of n-3 PUFA in mammary and liver tissues compared to wild type mice.
  • SDC-1 mRNA was 50% higher in the mammary tissue of Fat-1 mice.
  • Western analysis revealed a six-fold increase in SDC-1 protein levels in the mammary tissue of Fat-1 mice.

Takeaway

Fat-1 mice can make their own n-3 fatty acids, and this helps them produce more of a protein called syndecan-1, which is important for health.

Methodology

Fat-1 and wild type mice were fed an n-6 PUFA-enriched diet for 7 weeks, and various tissue analyses were performed to measure fatty acid composition and syndecan-1 levels.

Potential Biases

Potential bias in the interpretation of results due to the specific genetic model used.

Limitations

The study is limited to a specific mouse model and may not directly translate to humans.

Participant Demographics

Female Fat-1 and wild type mice.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0020502

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