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KMID : 0379520230390040549
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한국독성학회지
2023 Volume.39 No. 4 p.549 ~ p.564
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Integrative roles of sphingosine kinase in liver pathophysiology
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Kim Kyu-Min
Shin Eun-Jin
Yang Ji-Hye
Ki Sung-Hwan
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Abstract
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Bioactive sphingolipids and enzymes that metabolize sphingolipid-related substances have been considered as critical messengers in various signaling pathways. One such enzyme is the crucial lipid kinase, sphingosine kinase (SphK), which mediates the conversion of sphingosine to the potent signaling substance, sphingosine-1-phosphate. Several studies have demonstrated that SphK metabolism is strictly regulated to maintain the homeostatic balance of cells. Here, we summarize the role of SphK in the course of liver disease and illustrate its effects on both physiological and pathological conditions of the liver. SphK has been implicated in a variety of liver diseases, such as steatosis, liver fibrosis, hepatocellular carcinoma, and hepatic failure. This study may advance the understanding of the cellular and molecular foundations of liver disease and establish therapeutic approaches via SphK modulation.
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KEYWORD
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Sphingosine kinase, Liver, Sphingolipids
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