期刊
CELL STRESS
卷 6, 期 1, 页码 1-5出版社
SHARED SCIENCE PUBLISHERS OG
DOI: 10.15698/cst2022.01.261
关键词
S-adenosyl-methionine; SAM; methionine; metabolism
类别
资金
- American Cancer Society
- National Cancer Institute of the National Institutes of Health [R01 CA193256]
This article examines the chemical stability and cellular permeability of SAM, proposes a schematic for indirect transport of SAM across mammalian plasma membrane, and discusses the implications arising from such transport schematic.
S-adenosylmethionine (SAM) is a versatile metabolite that partici-pates in a wide range of reactions such as methylation and transsulfuration. These capabilities allow SAM to influence cellular processes such as gene expression and redox balancing. The importance of SAM is highlighted by its widespread usage as an over-the-counter nutrient supplement and as an experimental reagent in molecular biology. The bioavailability and cellular transport properties of SAM, however, are often overlooked under these contexts, putting limits on SAM's therapeutic potential and complicating the interpretation of experimental results. In this article, we examined the chemical stability and cellular permeability of SAM, proposed a schematic for indirect SAM transport across the mammalian plasma membrane, and lastly discussed the implications arising from such transport schematic.
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