Simple Esterification of [1-(13)C]-Alpha-Ketoglutarate Enhances Membrane Permeability and Allows for Noninvasive Tracing of Glutamate and Glutamine Production.
Simple Esterification of [1-(13)C]-Alpha-Ketoglutarate Enhances Membrane Permeability and Allows for Noninvasive Tracing of Glutamate and Glutamine Production.
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DOI:
10.1021/acschembio.1c00561
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发表时间:
2021-11-19
影响因子:
4
通讯作者:
Kesarwala, Aparna H.
中科院分区:
文献类型:
--
作者:
AbuSalim, Jenna E.;Yamamoto, Kazutoshi;Miura, Natsuko;Blackman, Burchelle;Brender, Jeffrey R.;Mushti, Chandrasekhar;Seki, Tomohiro;Camphausen, Kevin A.;Swenson, Rolf E.;Krishna, Murali C.;Kesarwala, Aparna H.
Alpha-ketoglutarate (α-KG) is a key metabolite and signaling molecule in cancer cells, but the low permeability of α-KG limits the study of α-KG mediated effects in vivo. Recently, cell-permeable monoester and diester α-KG derivatives have been synthesized for use in vivo, but many of these derivatives are not compatible for use in hyperpolarized carbon-13 nuclear magnetic resonance spectroscopy (HP-13C-MRS). HP-13C-MRS is a powerful technique that has been used to noninvasively trace labeled metabolites in real time. Here, we show that using diethyl-[1-13C]-α-KG as a probe in HP-13C-MRS allows for noninvasive tracing of α-KG metabolism in vivo.
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