Functional studies of synthetic gramicidin hybrid ion channels in CHO cells.

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Functional studies of synthetic gramicidin hybrid ion channels in CHO cells. / Wesolowski, Ryszard; Sommer, Anna; Arndt, Hans-Dieter; Koert, Ulrich; Reiss, Philipp; Wimmers, Sönke; Strauss, Olaf.

In: CHEMBIOCHEM, Vol. 8, No. 5, 5, 2007, p. 513-520.

Research output: SCORING: Contribution to journalSCORING: Journal articleResearchpeer-review

Harvard

Wesolowski, R, Sommer, A, Arndt, H-D, Koert, U, Reiss, P, Wimmers, S & Strauss, O 2007, 'Functional studies of synthetic gramicidin hybrid ion channels in CHO cells.', CHEMBIOCHEM, vol. 8, no. 5, 5, pp. 513-520. <http://www.ncbi.nlm.nih.gov/pubmed/17300127?dopt=Citation>

APA

Wesolowski, R., Sommer, A., Arndt, H-D., Koert, U., Reiss, P., Wimmers, S., & Strauss, O. (2007). Functional studies of synthetic gramicidin hybrid ion channels in CHO cells. CHEMBIOCHEM, 8(5), 513-520. [5]. http://www.ncbi.nlm.nih.gov/pubmed/17300127?dopt=Citation

Vancouver

Wesolowski R, Sommer A, Arndt H-D, Koert U, Reiss P, Wimmers S et al. Functional studies of synthetic gramicidin hybrid ion channels in CHO cells. CHEMBIOCHEM. 2007;8(5):513-520. 5.

Bibtex

@article{55fd1e39f52f4de6bd793a94210de377,
title = "Functional studies of synthetic gramicidin hybrid ion channels in CHO cells.",
abstract = "The function of a gramicidin hybrid ion channel in living Chinese hamster ovary (CHO) cells was investigated by the patch clamp method. The synthetic ion channel 1 consists of two cyclohexyl ether amino acids that link two mini-gramicidin strands. With 1 at a concentration of 1.0 microM, an increase in the whole-cell membrane conductance was observed after 1.37 min. The conductance showed larger currents when Cs(+) was used as charge carrier than when Na(+) and K(+) were used. In single-channel recordings with Cs(+) as charge carrier, the substance showed comparable single-channel amplitudes in the membrane of living cells and artificial black lipid bilayers. In addition to functioning as a cation channel, compound 1 appeared to be a water channel. Exposure of the CHO cells to an extracellular hypoosmotic solution did not substantially change the cell volume. Extracellular hypoosmotic conditions in the presence of 1 increased the cell size to 146.5 % that of the control. Thus, the synthetic hybrid channel 1 can function as a cation channel with some Cs(+) specificity, and as a water channel in CHO cells.",
author = "Ryszard Wesolowski and Anna Sommer and Hans-Dieter Arndt and Ulrich Koert and Philipp Reiss and S{\"o}nke Wimmers and Olaf Strauss",
year = "2007",
language = "Deutsch",
volume = "8",
pages = "513--520",
journal = "CHEMBIOCHEM",
issn = "1439-4227",
publisher = "Wiley-VCH Verlag GmbH",
number = "5",

}

RIS

TY - JOUR

T1 - Functional studies of synthetic gramicidin hybrid ion channels in CHO cells.

AU - Wesolowski, Ryszard

AU - Sommer, Anna

AU - Arndt, Hans-Dieter

AU - Koert, Ulrich

AU - Reiss, Philipp

AU - Wimmers, Sönke

AU - Strauss, Olaf

PY - 2007

Y1 - 2007

N2 - The function of a gramicidin hybrid ion channel in living Chinese hamster ovary (CHO) cells was investigated by the patch clamp method. The synthetic ion channel 1 consists of two cyclohexyl ether amino acids that link two mini-gramicidin strands. With 1 at a concentration of 1.0 microM, an increase in the whole-cell membrane conductance was observed after 1.37 min. The conductance showed larger currents when Cs(+) was used as charge carrier than when Na(+) and K(+) were used. In single-channel recordings with Cs(+) as charge carrier, the substance showed comparable single-channel amplitudes in the membrane of living cells and artificial black lipid bilayers. In addition to functioning as a cation channel, compound 1 appeared to be a water channel. Exposure of the CHO cells to an extracellular hypoosmotic solution did not substantially change the cell volume. Extracellular hypoosmotic conditions in the presence of 1 increased the cell size to 146.5 % that of the control. Thus, the synthetic hybrid channel 1 can function as a cation channel with some Cs(+) specificity, and as a water channel in CHO cells.

AB - The function of a gramicidin hybrid ion channel in living Chinese hamster ovary (CHO) cells was investigated by the patch clamp method. The synthetic ion channel 1 consists of two cyclohexyl ether amino acids that link two mini-gramicidin strands. With 1 at a concentration of 1.0 microM, an increase in the whole-cell membrane conductance was observed after 1.37 min. The conductance showed larger currents when Cs(+) was used as charge carrier than when Na(+) and K(+) were used. In single-channel recordings with Cs(+) as charge carrier, the substance showed comparable single-channel amplitudes in the membrane of living cells and artificial black lipid bilayers. In addition to functioning as a cation channel, compound 1 appeared to be a water channel. Exposure of the CHO cells to an extracellular hypoosmotic solution did not substantially change the cell volume. Extracellular hypoosmotic conditions in the presence of 1 increased the cell size to 146.5 % that of the control. Thus, the synthetic hybrid channel 1 can function as a cation channel with some Cs(+) specificity, and as a water channel in CHO cells.

M3 - SCORING: Zeitschriftenaufsatz

VL - 8

SP - 513

EP - 520

JO - CHEMBIOCHEM

JF - CHEMBIOCHEM

SN - 1439-4227

IS - 5

M1 - 5

ER -