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By: Jesus Barrera Mike Best Florencia Visconti. Inspiration for experiment The BIG question….um…?

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Presentation on theme: "By: Jesus Barrera Mike Best Florencia Visconti. Inspiration for experiment The BIG question….um…?"— Presentation transcript:

1 By: Jesus Barrera Mike Best Florencia Visconti

2 Inspiration for experiment The BIG question….um…?

3 HDL & LDL High and Low Density Lipoproteins Atherosclerosis: Hardening of the arteries by deposit of LDLs in the bloodstream Atherogenic diet: A diet composed of high fat content

4 Quantitative Trait Loci: These are stretches of DNA that are closely linked to the genes that underlie the trait in question. These traits are what affect the different expressions of phenotypes

5 Statistical analysis used to demonstrate interaction between genes Determines whether they produce an effect on phenotype

6 Purpose Mice Diet

7 HDL levels higher in males than females HDL levels in SM x NZB population were similar to those of SM mice. HDL levels in NZB x SM higher than in SM x NZB

8 Female NZB x SM mice showed HDL levels intermediate between the parental strains. Male NZB x SM mice had HDL levels similar to NZB mice. The F2 population had high levels of HDL after consuming an atherogenic diet.

9 1. Atherogenic diets do not have the same effects on all mouse strains 2. It is important to differentiate between the two sexes in QTL analysis

10 3. Most important changes happened in the first 6 weeks on high fat diet. 4. Males have significantly higher HDL levels than females

11 We would like to thank the following people for their instruction and contributions: Jackson Laboratory Randy Von Smith Tobias Beckwith NMSU RISE program

12 Influence of Sex and Diet on Quantitative Trait Loci for HDL Cholesterol Levels in an SN/J by NZB/BINJ Intercross Population." Print. Korstanje, Ron, Renhua Li, Timothy Howard, Peter Kelmenson, Jan Marshall, Beverly Paigen, and Gary Churchill. "Influence of Sex and Diet on Quantitative Trait Loci for HDL Cholesterol Levels in an SN/J by NZB/BINJ Intercross Population." Journal of Lipid Research 45 (2004): Print. Korstanje, Ron, Renhua Li, TImothy Howard, Peter Kelmenson, Jan Marshall, Beverly Paigen, and Gary Churchill. "Influence of Sex and Diet on Quantitative Trait Loci for HDL Cholesterol Levels in an SN/J by NZB/BINJ Intercross Population." Journal of Lipid Research 45 (2004): Print.


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