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娜功能分析<sup> +</sup> / H<sup> +</sup>细胞内的隔间使用质子打死选择器来表达它们的质膜
Journal JoVE
Biologie
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Journal JoVE Biologie
Functional Characterization of Na+/H+ Exchangers of Intracellular Compartments Using Proton-killing Selection to Express Them at the Plasma Membrane
DOI:

07:38 min

March 30, 2015

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Chapitres

  • 00:05Titre
  • 01:28H+ Killing Procedure
  • 02:21Measurement of Intracellular pH
  • 04:16Initial Rate NHE7 Measurement by Fast Li+ Uptake
  • 05:42Results: Representative Selection and Functional Characterization
  • 07:09Conclusion

Summary

Traduction automatique

The first part of this article shows how to select mutant cell lines expressing vesicular Na+/H+ exchangers at their plasma membrane. The second part provides protocols based on intracellular pH measurements and fast ion uptake, which are used to determine the ion selectivity and the kinetic parameters of these exchangers.

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