ArticleFrontiers in molecular biosciences2023
Reversible translocation of acyl-CoA:cholesterol acyltransferase (ACAT) between the endoplasmic reticulum and vesicular structures.
Article in Frontiers in molecular biosciences, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 3 citations in OpenAlex.
- High follicular fluid levels of 25-hydroxycholesterol might lead to increased number of lipid droplets in granulosa cells in polyendocrine metabolic ovarian syndrome (PMOS): a hypothesis.Journal of endocrinological investigation · 2026Article
- TOMM40 regulates hepatocellular and plasma lipid metabolism via an LXR-dependent pathway.Molecular metabolism · 2024Article
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3 authors at 1 institution in 1 country.
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Abstract
The enzyme acyl-CoA:cholesterol acyltransferase (ACAT) is normally localized in the endoplasmic reticulum (ER) where it can esterify cholesterol for storage in lipid droplets and/or the formation of lipoproteins. Here, we report that ACAT can translocate from the ER into vesicular structures in response to different ACAT inhibitors. The translocation was fast (within minutes), reversible and occurred in different cell types. Interestingly, oleic acid was able to fasten the re-translocation from vesicles back into the reticular ER network. The process of ACAT translocation could also be induced by cyclodextrins, cholesterol, lanosterol (but not 4-cholestene-3 one), 25-hydroxycholesterol, and by certain stress stimuli such as hyperosmolarity (sucrose treatment), temperature change, or high-density cultivation.
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