ArticleBiochimica et biophysica acta2013
Intestinal acyl-CoA:diacylglycerol acyltransferase 2 overexpression enhances postprandial triglyceridemic response and exacerbates high fat diet-induced hepatic triacylglycerol storage.
Article in Biochimica et biophysica acta, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 23 citations in OpenAlex.
- Zebrafish are resilient to the loss of major diacylglycerol acyltransferase enzymes.The Journal of biological chemistry · 2024Article
- New insights into the role of dietary triglyceride absorption in obesity and metabolic diseases.Frontiers in pharmacology · 2023Review
- SCD1 is nutritionally and spatially regulated in the intestine and influences systemic postprandial lipid homeostasis and gut-liver crosstalk.Biochimica et biophysica acta. Molecular and cell biology of lipids · 2022Article
- Deficiency of intestinal Bmal1 prevents obesity induced by high-fat feeding.Nature communications · 2021Article
- From Congenital Disorders of Fat Malabsorption to Understanding Intra-Enterocyte Mechanisms Behind Chylomicron Assembly and Secretion.Frontiers in physiology · 2021Review
- DGAT1 deficiency disrupts lysosome function in enterocytes during dietary fat absorption.Biochimica et biophysica acta. Molecular and cell biology of lipids · 2019Article
- Dgat1 and Dgat2 regulate enterocyte triacylglycerol distribution and alter proteins associated with cytoplasmic lipid droplets in response to dietary fat.Biochimica et biophysica acta. Molecular and cell biology of lipids · 2017Article
- Mfge8 regulates enterocyte lipid storage by promoting enterocyte triglyceride hydrolase activity.JCI insight · 2016Article
- Recent discoveries on absorption of dietary fat: Presence, synthesis, and metabolism of cytoplasmic lipid droplets within enterocytes.Biochimica et biophysica acta · 2016Review
- Intestinal triacylglycerol synthesis in fat absorption and systemic energy metabolism.Journal of lipid research · 2015Review
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
Intestinal acyl-CoA:diacylglycerol acyltransferase 2 (DGAT2) is important in the cellular and physiological responses to dietary fat. To determine the effect of increased intestinal DGAT2 on cellular and physiological responses to acute and chronic dietary fat challenges, we generated mice with intestine-specific overexpression of DGAT2 and compared them with intestine-specific overexpression of DGAT1 and wild-type (WT) mice. We found that when intestinal DGAT2 is present in excess, triacylglycerol (TG) secretion from enterocytes is enhanced compared to WT mice; however, TG storage within enterocytes is similar compared to WT mice. We found that when intestinal DGAT2 is present in excess, mRNA levels of genes involved in fatty acid oxidation were reduced. This result suggests that reduced fatty acid oxidation may contribute to increased TG secretion by overexpression of DGAT2 in intestine. Furthermore, this enhanced supply of TG for secretion in Dgat2(Int) mice may be a significant contributing factor to the elevated fasting plasma TG and exacerbated hepatic TG storage in response to a chronic HFD. These results highlight that altering fatty acid and TG metabolism within enterocytes has the capacity to alter systemic delivery of dietary fat and may serve as an effective target for preventing and treating metabolic diseases such as hepatic steatosis.
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