Diacylglycerol kinases in membrane trafficking

Research output: Contribution to journalReview article

12 Scopus citations

Abstract

Diacylglycerol kinases (DGKs) belong to a family of cytosolic kinases that regulate the phosphorylation of diacylglycerol (DAG), converting it into phosphatidic acid (PA). There are 10 known mammalian DGK isoforms, each with a different tissue distribution and substrate specificity. These differences allow regulation of cellular responses by fine-tuning the delicate balance of cellular DAG and PA. DGK isoforms are best characterized as mediators of signal transduction and immune function. However, since recent studies reveal that DAG and PA are also involved in the regulation of endocytic trafficking, it is therefore anticipated that DGKs also plays an important role in membrane trafficking. In this review, we summarize the literature discussing the role of DGK isoforms at different stages of endocytic trafficking, including endocytosis, exocytosis, endocytic recycling, and transport from/to the Golgi apparatus. Overall, these studies contribute to our understanding of the involvement of PA and DAG in endocytic trafficking, an area of research that is drawing increasing attention in recent years.

Original languageEnglish (US)
JournalCellular Logistics
Volume5
Issue number2
DOIs
StatePublished - 2015

Keywords

  • Diacylglycerol
  • Diacylglycerol kinase
  • Endocytic recycling
  • Golgi
  • MICAL-L1
  • Membrane trafficking
  • Phosphatidic acid

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Medicine
  • Cell Biology

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