Evidence map›Paper›PMID 17429030›Full record

ArticleAmerican journal of physiology. Renal physiology2007

Ontogeny of NHE8 in the rat proximal tubule.

Amy M Becker, Jianning Zhang, Sunita Goyal, Vangipuram Dwarakanath, Peter S Aronson, Orson W Moe, Michel Baum

Abstract read
In one paragraph

Article in American journal of physiology. Renal physiology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed
2.4field-weighted citation impact, top 11% 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

33 citing papers in PubMed, 59 citations in OpenAlex.

  1. Review
  2. The Physiological Function and Potential Role of the Ubiquitous NaInternational journal of molecular sciences · 2022
    Review
  3. Article
  4. Article
  5. Review
  6. Article
  7. Developmental changes in renal tubular transport-an overview.Pediatric nephrology (Berlin, Germany) · 2015
    Review
  8. Article
  9. Renal NHE expression and activity in neonatal NHE3- and NHE8-null mice.American journal of physiology. Renal physiology · 2015
    Article
  10. Article
  11. Review
  12. Proximal tubule function and response to acidosis.Clinical journal of the American Society of Nephrology : CJASN · 2014
    Review
  13. Traditional and emerging roles for the SLC9 Na+/H+ exchangers.Pflugers Archiv : European journal of physiology · 2014
    Review
  14. Article
  15. Proximal tubular NHEs: sodium, protons and calcium?American journal of physiology. Renal physiology · 2013
    Review
  16. Article
  17. Acid increases NHE8 surface expression and activity in NRK cells.American journal of physiology. Renal physiology · 2012
    Article
  18. Article
  19. Article
  20. Effect of metabolic acidosis on neonatal proximal tubule acidification.American journal of physiology. Regulatory, integrative and comparative physiology · 2010
    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

7 authors at 1 institution in 1 country.

Amy M BeckerDept. of Pediatrics, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX 75390-9063, USA.
Jianning Zhang
Sunita Goyal
Vangipuram Dwarakanath
Peter S Aronson
Orson W Moe
Michel Baum
The University of Texas Southwestern Medical Center · US

Funding

The Regulation of Renal Epithelial Cell Junction Assembly and PolarizationP01DK017433 · NIDDK · YALE UNIVERSITY · PI FORBUSH, BLISS · 1986 to 2018
$29.5M
RENAL BASIS OF HYPOCITRATURIAP01DK020543 · NIDDK · UT SOUTHWESTERN MEDICAL CENTER · PI HUANG, CHOU-LONG · 1986 to 2008
$12.7M
Roles of SLC26 Transporters in Urinary Oxalate Excretion and Kidney DiseaseR01DK033793 · NIDDK · YALE UNIVERSITY · PI ARONSON, PETER S. · 1986 to 2022
$5.6M
Neonatal Proximal Tubule AcidificationR01DK041612 · NIDDK · UT SOUTHWESTERN MEDICAL CENTER · PI BAUM, MICHEL GERARD, MOE, ORSON W · 1991 to 2013
$2.7M
Acute Regulation of the Renal Na/H Exchanger NHE-3R01DK048482 · NIDDK · UNIVERSITY OF TEXAS SW MED CTR/DALLAS · PI MOE, ORSON W · 2001 to 2005
$1.3M
NIDDK NIH HHS P01 DK017433NIDDK NIH HHS P01 DK020543NIDDK NIH HHS P01-DK-20543NIDDK NIH HHS R01 DK033793NIDDK NIH HHS R01 DK041612NIDDK NIH HHS R01 DK048482NIDDK NIH HHS R01-DK-41612NIDDK NIH HHS R01-DK-48482
6 · The paper itself

Abstract

Proximal tubule bicarbonate reabsorption is primarily mediated via the Na(+)/H(+) exchanger, identified as NHE3 in adults. Previous studies have demonstrated a maturational increase in rat proximal tubule NHE3 expression, with a paucity of NHE3 expression in neonates, despite significant Na(+)-dependent proton secretion. Recently, a novel Na(+)/H(+) antiporter (NHE8) was identified and found to be expressed on the apical membrane of the proximal tubule. To determine whether NHE8 may be the antiporter responsible for proton secretion in neonates, the present study characterized the developmental expression of NHE8 in rat proximal tubules. RNA blots and real-time RT-PCR demonstrated no developmental difference in the mRNA of renal NHE8. Immunoblots, however, demonstrated peak protein abundance of NHE8 in brush border membrane vesicles of 7- and 14-day-old compared with adult rats. In contrast, the level of NHE8 expression in total cortical membrane protein was higher in adults than in neonates. Immunohistochemistry confirmed the presence of NHE8 on the apical membrane of the proximal tubules of neonatal and adult rats. These data demonstrate that NHE8 does undergo maturational changes on the apical membrane of the rat proximal tubule and may account for the Na(+)-dependent proton flux in neonatal proximal tubules.

Indexed as

AnimalsBlotting, WesternDNA, ComplementaryElectrophoresis, Polyacrylamide GelFemaleImmunohistochemistryKidney Tubules, ProximalMicroscopy, FluorescenceMicrovilliPregnancyProteinsRatsRats, Sprague-DawleyReverse Transcriptase Polymerase Chain ReactionRNASodium-Hydrogen Exchanger 3DNA, ComplementaryProteinsRNASlc9a3 protein, ratSlc9a8 protein, ratSodium-Hydrogen Exchanger 3Sodium-Hydrogen Exchangers

Identifiers

PMID17429030
PMCPMC4119019
OpenAlexW2147732680

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.