Choline transport in human placental brush-border membrane vesicles.

@article{Grassl1994CholineTI,
  title={Choline transport in human placental brush-border membrane vesicles.},
  author={S. Grassl},
  journal={Biochimica et biophysica acta},
  year={1994},
  volume={1194 1},
  pages={
          203-13
        }
}
  • S. Grassl
  • Published 1994
  • Medicine
  • Biochimica et biophysica acta
Pathways for transport of choline by human placental epithelia were investigated using brush border membrane vesicles isolated by divalent cation precipitation. The presence of choline transport mechanisms mediating Na(+)-choline cotransport, choline/H+ exchange and facilitated diffusion were assessed from [3H]choline tracer flux measurements. The rate and magnitude of intravesicular choline accumulation was unaffected by the imposition of an inwardly directed Na+ gradient suggesting an absence… Expand
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