Diacylglycerol kinase-dependent formation of phosphatidic acid molecular species during interleukin-2 activation in CTLL-2 T-lymphocytes

Although effective liquid chromatography (LC)/mass spectrometry (MS) methods enabling the separation of phospholipid molecular species have been developed, there are still problems with an intracellular signaling molecule, phosphatidic acid (PA). In this study, we optimized LC/MS conditions to impro...

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Autores principales: Mizuno, Satoru, Sakai, Hiromichi, Saito, Masafumi, Kado, Sayaka, Sakane, Fumio
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier 2012
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3642166/
https://www.ncbi.nlm.nih.gov/pubmed/23650609
http://dx.doi.org/10.1016/j.fob.2012.08.006
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author Mizuno, Satoru
Sakai, Hiromichi
Saito, Masafumi
Kado, Sayaka
Sakane, Fumio
author_facet Mizuno, Satoru
Sakai, Hiromichi
Saito, Masafumi
Kado, Sayaka
Sakane, Fumio
author_sort Mizuno, Satoru
collection PubMed
description Although effective liquid chromatography (LC)/mass spectrometry (MS) methods enabling the separation of phospholipid molecular species have been developed, there are still problems with an intracellular signaling molecule, phosphatidic acid (PA). In this study, we optimized LC/MS conditions to improve the quantitative detection of PA molecular species from a cellular lipid mixture. Using the newly developed LC/MS method, we showed that stimulation of CTLL-2 murine T-lymphocytes by interleukin-2 (IL-2) induced a significant increase of 36:1-, 36:2-, 40:5- and 40:6-diacyl-PA. A diacylglycerol kinase (DGK) inhibitor, R59949, attenuated the increase of 36:1-, 40:5-, 40:6-diacyl-PA, suggesting that DGK IL-2-dependently and selectively generated these diacyl-PA species.
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spelling pubmed-36421662013-05-06 Diacylglycerol kinase-dependent formation of phosphatidic acid molecular species during interleukin-2 activation in CTLL-2 T-lymphocytes Mizuno, Satoru Sakai, Hiromichi Saito, Masafumi Kado, Sayaka Sakane, Fumio FEBS Open Bio Article Although effective liquid chromatography (LC)/mass spectrometry (MS) methods enabling the separation of phospholipid molecular species have been developed, there are still problems with an intracellular signaling molecule, phosphatidic acid (PA). In this study, we optimized LC/MS conditions to improve the quantitative detection of PA molecular species from a cellular lipid mixture. Using the newly developed LC/MS method, we showed that stimulation of CTLL-2 murine T-lymphocytes by interleukin-2 (IL-2) induced a significant increase of 36:1-, 36:2-, 40:5- and 40:6-diacyl-PA. A diacylglycerol kinase (DGK) inhibitor, R59949, attenuated the increase of 36:1-, 40:5-, 40:6-diacyl-PA, suggesting that DGK IL-2-dependently and selectively generated these diacyl-PA species. Elsevier 2012-09-04 /pmc/articles/PMC3642166/ /pubmed/23650609 http://dx.doi.org/10.1016/j.fob.2012.08.006 Text en © 2012 Published by Elsevier B.V. on behalf of Federation of European Biochemical Societies. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-No Derivative Works License, which permits non- commercial use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Article
Mizuno, Satoru
Sakai, Hiromichi
Saito, Masafumi
Kado, Sayaka
Sakane, Fumio
Diacylglycerol kinase-dependent formation of phosphatidic acid molecular species during interleukin-2 activation in CTLL-2 T-lymphocytes
title Diacylglycerol kinase-dependent formation of phosphatidic acid molecular species during interleukin-2 activation in CTLL-2 T-lymphocytes
title_full Diacylglycerol kinase-dependent formation of phosphatidic acid molecular species during interleukin-2 activation in CTLL-2 T-lymphocytes
title_fullStr Diacylglycerol kinase-dependent formation of phosphatidic acid molecular species during interleukin-2 activation in CTLL-2 T-lymphocytes
title_full_unstemmed Diacylglycerol kinase-dependent formation of phosphatidic acid molecular species during interleukin-2 activation in CTLL-2 T-lymphocytes
title_short Diacylglycerol kinase-dependent formation of phosphatidic acid molecular species during interleukin-2 activation in CTLL-2 T-lymphocytes
title_sort diacylglycerol kinase-dependent formation of phosphatidic acid molecular species during interleukin-2 activation in ctll-2 t-lymphocytes
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3642166/
https://www.ncbi.nlm.nih.gov/pubmed/23650609
http://dx.doi.org/10.1016/j.fob.2012.08.006
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