Evidence map›Paper›PMID 19923411›Full record

ArticleAmerican journal of physiology. Renal physiology2010

Heterogeneity of H-K-ATPase-mediated acid secretion along the mouse collecting duct.

I Jeanette Lynch, Megan M Greenlee, Michelle L Gumz, Alicia Rudin, Shen-Ling Xia, Charles S Wingo

Open access · greenAbstract read
In one paragraph

Article in American journal of physiology. Renal physiology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
1.1field-weighted citation impact, top 23% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

17 citing papers in PubMed, 24 citations in OpenAlex.

  1. Article
  2. Article
  3. TRPV4 expression in the renal tubule is necessary for maintaining whole body KAmerican journal of physiology. Renal physiology · 2023
    Article
  4. Biomolecules · 2023
    Review
  5. Impaired Renal HCOJournal of the American Society of Nephrology : JASN · 2020
    Article
  6. Article
  7. Article
  8. TRPV4 deletion protects against hypokalemia during systemic KAmerican journal of physiology. Renal physiology · 2019
    Article
  9. Review
  10. Cell-specific regulation of L-WNK1 by dietary K.American journal of physiology. Renal physiology · 2016
    Article
  11. Review
  12. Article
  13. Article
  14. Luminal flow modulates H+-ATPase activity in the cortical collecting duct (CCD).American journal of physiology. Renal physiology · 2012
    Article
  15. Role of NKCC in BK channel-mediated net K⁺ secretion in the CCD.American journal of physiology. Renal physiology · 2011
    Article
  16. Mineralocorticoids stimulate the activity and expression of renal H+,K+-ATPases.Journal of the American Society of Nephrology : JASN · 2011
    Article
  17. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 2 institutions in 1 country.

I Jeanette LynchResearch Service, North Florida/South Georgia Veterans Health System, Gainesville, Florida 32608, USA.
Megan M Greenlee
Michelle L Gumz
Alicia Rudin
Shen-Ling Xia
Charles S Wingo
University of Florida · USNorth Florida/South Georgia Veterans Health System · US

Funding

LUMINAL ACIDIFICATION BY THE MEDULLARY COLLECTING DUCTR01DK049750 · NIDDK · UNIVERSITY OF FLORIDA · PI WINGO, CHARLES S · 1996 to 2008
$1.8M
NIDDK NIH HHS R01 DK049750NIDDK NIH HHS R01-DK-049750
6 · The paper itself

Abstract

In the collecting duct (CD), H-K-ATPases function in cation reabsorption and H secretion. This study evaluated H-K-ATPase-mediated H secretion along the mouse CD, measured as EIPA- and luminal bafilomycin A(1)-insensitive intracellular pH (pH(i)) recovery from acute H loading (NH(4)) using BCECF. pH(i) recovery was measured in 1) microperfused cortical, outer medullary, and inner medullary CDs (CCD, OMCD, and IMCD) from C57BL/6J mice fed a normal diet and 2) common murine CD cell lines. H-K-ATPase activity along the native, microperfused CD was greatest in the CCD, less in the OMCD, and least in the IMCD (0.10 +/- 0.02, 0.04 +/- 0.01, and 0.01 +/- 0.002 U/min, respectively). H-K-ATPase activity was 0.30 +/- 0.03 and 0.26 +/- 0.03 in A- and B-type ICs, respectively, and was sensitive to Sch-28080 or ouabain. pH(i) recovery was greatest in the OMCD(1) cell line (0.25 +/- 0.01) and less in mpkCCD(c14) (0.17 +/- 0.01), mIMCD-K2 (0.12 +/- 0.01), and mIMCD-3 (0.05 +/- 0.01) cells. EIPA inhibited the majority of pH(i) recovery in these cells (100%, 64%, 75%, and 80% in mpkCCD(c14), OMCD(1), mIMCD-K2, and mIMCD-3, respectively). In OMCD(1) cells, where EIPA-insensitive pH(i) recovery was greatest, H-K-ATPase activity was 0.10 +/- 0.01 and was significantly inhibited (80%) by Sch-28080. We conclude that 1) H-K-ATPase-mediated H secretion in the native mouse CD is greatest in the ICs of the CCD, 2) A- and B-type ICs possess HKalpha(1) and HKalpha(2) H-K-ATPase activity, and 3) the OMCD(1) cell line best exhibits H-K-ATPase.

Indexed as

AcidsAnimalsCell LineEnzyme InhibitorsFemaleH(+)-K(+)-Exchanging ATPaseHydrogen-Ion ConcentrationImidazolesIntracellular MembranesIn Vitro TechniquesIsoenzymesKidney CortexKidney MedullaKidney Tubules, CollectingMacrolidesMiceAcidsbafilomycin AEnzyme InhibitorsH(+)-K(+)-Exchanging ATPaseImidazolesIsoenzymesMacrolidesOuabainProton Pump InhibitorsRNA, MessengerSch 28080

Identifiers

PMID19923411
PMCPMC2822511
OpenAlexW2141947567

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.