期刊
FEBS OPEN BIO
卷 11, 期 11, 页码 3090-3100出版社
WILEY
DOI: 10.1002/2211-5463.13302
关键词
anesthetic; arrestin; endocytosis; transporter; ubiquitin
资金
- JSPS KAKENHI [20H05326]
- Grants-in-Aid for Scientific Research [20H05326] Funding Source: KAKEN
In this study, the effects of the inhalation anesthetic isoflurane on membrane proteins were examined using yeast cells. The results indicate that isoflurane affects the amino acid transporter Bap2 through an Art2-Rsp5 dependent ubiquitination system.
Although general anesthesia is indispensable during modern surgical procedures, the mechanism by which inhalation anesthetics act on the synaptic membrane at the molecular and cellular level is largely unknown. In this study, we used yeast cells to examine the effect of isoflurane, an inhalation anesthetic, on membrane proteins. Bap2, an amino acid transporter localized on the plasma membrane, was endocytosed when yeast cells were treated with isoflurane. Depletion of RSP5, an E3 ligase, prevented this endocytosis and Bap2 was ubiquitinated in response to isoflurane, indicating an ubiquitin-dependent process. Screening all the Rsp5 binding adaptors showed that Art2 plays a central role in this process. These results suggest that isoflurane affects Bap2 via an Art2-Rsp5-dependent ubiquitination system.
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