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Cited by 287

The DOI matches its Crossref record; 40 of the 40 references it cites were found in a registry or an index.

Corticosteroid-Dependent Sodium Transport in a Novel Immortalized Mouse Collecting Duct Principal Cell Line

BENS, MARCELLE, VALLET, VÉRONIQUE, CLUZEAUD, FRANC[COMBINING CEDILLA]OISE, PASCUAL-LETALLEC, LAURENT, KAHN, AXEL, RAFESTIN-OBLIN, MARIE E., ROSSIER, BERNARD C., VANDEWALLE, ALAIN·1999·Journal of the American Society of Nephrology

Abstract

Abstract.: The final control of sodium balance takes place in the cortical collecting duct (CCD) of the nephron, where corticosteroid hormones regulate sodium reabsorption by acting through mineralocorticoid (MR) and/or glucocorticoid (GR) receptors. A clone of principal CCD cells (mpkCCD c14) has been established that is derived from a transgenic mouse (SV40 large T antigen under the control of the SV40 enhancer/L-type pyruvate kinase promoter). Cells grown on filters form polarized monolayers with high electrical transepithelial resistance (R T approximately 4700 Ω × cm 2) and potential difference (P D approximately -50 mV) and have an amiloride-sensitive electrogenic sodium transport, as assessed by the short-circuit current method (I sc approximately 11 μA/cm 2). Reverse transcription-PCR experiments using rat MR primers, [3 H]aldosterone, and [3 H]dexamethasone binding and competition studies indicated that the mpkCCD c14 cells exhibit specific MR and GR. Aldosterone increased I sc in a dose- (10-10 to 10-6 M) and time-dependent (2 to 72 h) manner, whereas corticosterone only transiently increased I sc (2 to 6 h). Consistent with the expression of 11β-hydroxysteroid dehydrogenase type 2, which metabolizes glucocorticoids to inactive 11-dehydroderivates, carbenoxolone potentiated the corticosterone-stimulated I sc. Aldosterone (5 × 10-7 M)-induced I sc (fourfold) was associated with a three- to fivefold increase in α-ENaC mRNA (but not in those for β- or γ-ENaC) and three- to 10-fold increases in α-ENaC protein synthesis. In conclusion, this new immortalized mammalian CCD clonal cell line has retained a high level of epithelial differentiation and sodium transport stimulated by aldosterone and therefore represents a useful mammalian cell system for identifying the genes controlled by aldosterone.

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Metadata

Authors
BENS, M., VALLET, V., CLUZEAUD, F. C., PASCUAL-LETALLEC, L., KAHN, A., RAFESTIN-OBLIN, M. E., ROSSIER, B. C., & VANDEWALLE, A.
Venue
Journal of the American Society of Nephrology
Published
1999-05
Volume
10
Issue
5
Pages
923-934
ISSN
1046-6673 (ISSN-L)
OpenAlex
W2122680576
Cited by
287
References
40
FWCI
4.02
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Corticosteroid-Dependent Sodium Transport in a Novel Immortalized Mouse Collecting Duct Principal Cell Line. https://app.cochat.ai/papers/10.1681/asn.v105923
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BENS, M., VALLET, V., CLUZEAUD, F. C., PASCUAL-LETALLEC, L., KAHN, A., RAFESTIN-OBLIN, M. E., ROSSIER, B. C., & VANDEWALLE, A. (1999). Corticosteroid-Dependent Sodium Transport in a Novel Immortalized Mouse Collecting Duct Principal Cell Line. Journal of the American Society of Nephrology. https://doi.org/10.1681/asn.v105923

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