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The multifaceted interplay between lipids and epigenetics.

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Lipids and epigenetic changes are closely linked, influencing common diseases like atherosclerosis. New methods combining genome-wide epigenetics and causal inference will clarify this relationship and identify therapeutic targets.

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Area of Science:

  • Cardiovascular Research
  • Epigenetics
  • Metabolic Diseases

Background:

  • The interaction between lipids and epigenetic mechanisms is crucial for understanding common diseases, particularly atherosclerosis.
  • Recent research highlights a significant interplay, with lipids influencing and being influenced by epigenetic modifications.

Purpose of the Study:

  • To review recent advancements in understanding the interplay between lipids and epigenetics.
  • To focus on methods for establishing causal relationships in this context.
  • To explore the implications for atherosclerosis and potential therapeutic targets.

Main Methods:

  • Utilizing complementary approaches to link circulating lipids and epigenetic mechanisms.
  • Characterizing lipid-associated genetic variants and their epigenetic effects in the liver.
  • Investigating persistent epigenetic alterations in monocytes upon lipid exposure.

Main Results:

  • Lipid-associated genetic variants impact lipid levels via epigenetic changes in the liver.
  • Lipid exposure induces persistent epigenetic modifications in monocytes, promoting inflammation.
  • Epigenetic changes are shown to both affect and be induced by lipids.

Conclusions:

  • Combined technological and methodological advances (e.g., Mendelian randomization, integrative genomics) are key to elucidating the lipid-epigenetic interplay.
  • Understanding this relationship in atherosclerosis may reveal novel, reversible therapeutic targets.