ACSL6 is critical for maintaining brain DHA levels.

作者: Raphaël Chouinard-Watkins , Richard P. Bazinet

DOI: 10.1073/PNAS.1817557115

关键词:

摘要: Docosahexaenoic acid (DHA; 22:6n3) is the most abundant polyunsaturated fatty in brain, where it largely esterified to membrane phospholipids. While DHA found throughout its levels are relatively higher gray matter and especially enriched at synapse (1). a precursor series of bioactive molecules, including specialized proresolving lipid mediators (2) docosahexaenoyl ethanolamide Collectively, regulate, or involved in, numerous processes maintenance fluidity, neuronal survival, synaptic neurotransmission, regulation neuroinflammation, among others. Thus, perhaps not surprisingly, disturbances brain metabolism have been implicated host neurodegenerative psychiatric diseases The importance has led many nutritional studies examining role diet regulating levels; however, mechanistic details regarding uptake into scarce. clear that plasma unesterified can enter (3, 4), molecular mechanisms this process clear. In PNAS, Fernandez et al. (5) find member long-chain acyl-CoA synthetase (ACSL) family, ACSL6, essential for enriching with DHA. DHA omega-3 family acids, which cannot be synthesized de novo generally considered essential. However, itself nutritionally because from dietary α-linolenic via reactions primarily occur liver. Importantly, within synthesis very low. requires constant supply blood replace consumed metabolic reactions. There considerable debate as … [↵][1]1To whom correspondence should addressed. Email: richard.bazinet{at}utoronto.ca. [1]: #xref-corresp-1-1

参考文章(23)
Hélène Pélerin, Mélanie Jouin, Marie-Sylvie Lallemand, Jean-Marc Alessandri, Stephen C. Cunnane, Bénédicte Langelier, Philippe Guesnet, Gene expression of fatty acid transport and binding proteins in the blood-brain barrier and the cerebral cortex of the rat: differences across development and with different DHA brain status. Prostaglandins Leukotrienes and Essential Fatty Acids. ,vol. 91, pp. 213- 220 ,(2014) , 10.1016/J.PLEFA.2014.07.004
Joseph R. Marszalek, Claire Kitidis, Concetta C. DiRusso, Harvey F. Lodish, Long-chain Acyl-CoA Synthetase 6 Preferentially Promotes DHA Metabolism Journal of Biological Chemistry. ,vol. 280, pp. 10817- 10826 ,(2005) , 10.1074/JBC.M411750200
John C. Umhau, Weiyin Zhou, Richard E. Carson, Stanley I. Rapoport, Alla Polozova, James Demar, Nahed Hussein, Abesh K. Bhattacharjee, Kaizong Ma, Giuseppe Esposito, Sharon Majchrzak, Peter Herscovitch, William C. Eckelman, Karen A. Kurdziel, Norman Salem, Imaging incorporation of circulating docosahexaenoic acid into the human brain using positron emission tomography Journal of Lipid Research. ,vol. 50, pp. 1259- 1268 ,(2009) , 10.1194/JLR.M800530-JLR200
Chuck T. Chen, Alex P. Kitson, Kathryn E. Hopperton, Anthony F. Domenichiello, Marc-Olivier Trépanier, Lauren E. Lin, Leonardo Ermini, Martin Post, Frank Thies, Richard P. Bazinet, Plasma non-esterified docosahexaenoic acid is the major pool supplying the brain Scientific Reports. ,vol. 5, pp. 15791- 15791 ,(2015) , 10.1038/SREP15791
Yijun Pan, Martin J. Scanlon, Yuji Owada, Yui Yamamoto, Christopher J. H. Porter, Joseph A. Nicolazzo, Fatty Acid-Binding Protein 5 Facilitates the Blood-Brain Barrier Transport of Docosahexaenoic Acid. Molecular Pharmaceutics. ,vol. 12, pp. 4375- 4385 ,(2015) , 10.1021/ACS.MOLPHARMACEUT.5B00580
Yijun Pan, Jennifer L. Short, Kwok H. C. Choy, Annie X. Zeng, Philip J. Marriott, Yuji Owada, Martin J. Scanlon, Christopher J. H. Porter, Joseph A. Nicolazzo, Fatty Acid-Binding Protein 5 at the Blood-Brain Barrier Regulates Endogenous Brain Docosahexaenoic Acid Levels and Cognitive Function. The Journal of Neuroscience. ,vol. 36, pp. 11755- 11767 ,(2016) , 10.1523/JNEUROSCI.1583-16.2016
Sumio Ohtsuki, Masanori Tachikawa, Sanshiro Aizawa, Tetsuya Terasaki, Yusuke Ochiai, Yasuo Uchida, The blood‐brain barrier fatty acid transport protein 1 (FATP1/SLC27A1) supplies docosahexaenoic acid to the brain, and insulin facilitates transport Journal of Neurochemistry. ,vol. 141, pp. 400- 412 ,(2017) , 10.1111/JNC.13943
Raphaël Chouinard-Watkins, Chuck T. Chen, Adam H. Metherel, R.J. Scott Lacombe, Frank Thies, Mojgan Masoodi, Richard P. Bazinet, Phospholipid class-specific brain enrichment in response to lysophosphatidylcholine docosahexaenoic acid infusion. Biochimica et Biophysica Acta. ,vol. 1862, pp. 1092- 1098 ,(2017) , 10.1016/J.BBALIP.2017.07.013
Gordon S. Lee, Yijun Pan, Martin J. Scanlon, Christopher J.H. Porter, Joseph A. Nicolazzo, Fatty Acid–Binding Protein 5 Mediates the Uptake of Fatty Acids, but not Drugs, Into Human Brain Endothelial Cells Journal of Pharmaceutical Sciences. ,vol. 107, pp. 1185- 1193 ,(2018) , 10.1016/J.XPHS.2017.11.024
R.J.Scott Lacombe, Raphaël Chouinard-Watkins, Richard P. Bazinet, Brain docosahexaenoic acid uptake and metabolism Molecular Aspects of Medicine. ,vol. 64, pp. 109- 134 ,(2018) , 10.1016/J.MAM.2017.12.004