Evidence map›Paper›PMID 17823248›Full record

ArticleEndocrinology2007

The calcium-sensing receptor regulates plasma membrane calcium adenosine triphosphatase isoform 2 activity in mammary epithelial cells: a mechanism for calcium-regulated calcium transport into milk.

Joshua N VanHouten, Margaret C Neville, John J Wysolmerski

Open access · bronzeAbstract read
In one paragraph

Article in Endocrinology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers.

0numbers the graph read from it
0cells of the map it votes in
43citing papers in PubMed
2.0field-weighted citation impact, top 14% 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

43 citing papers in PubMed, 93 citations in OpenAlex.

  1. Article
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  8. Article
  9. Calcium Metabolism and Breast Cancer: Echoes of Lactation?Current opinion in endocrine and metabolic research · 2020
    Article
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  11. Review
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  13. Article
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  17. miR-17-92 ameliorates renal ischemia reperfusion injury.The Kaohsiung journal of medical sciences · 2018
    Article
  18. Article
  19. Review
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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

3 authors at 2 institutions in 1 country.

Joshua N VanHoutenSection of Endocrinology and Metabolism, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT 06520-8020, USA.
Margaret C Neville
John J Wysolmerski
Yale University · USUniversity of Colorado Health · US

Funding

The functional role of microRNAs in the normal mammary glandP01HD038129 · NICHD · UNIVERSITY OF COLORADO DENVER · PI ANDERSON, STEVEN M · 2000 to 2015
$15.2M
FUNCTION OF THE CALCIUM SENSING RECEPTOR IN THE BREASTR01DK069542 · NIDDK · YALE UNIVERSITY · PI WYSOLMERSKI, JOHN J · 2005 to 2009
$1.6M
The Effect of PTHrP During LactationR01CA094175 · NCI · YALE UNIVERSITY · PI WYSOLMERSKI, JOHN J · 2002 to 2006
$1.4M
CALCIUM RECEPTOR IN MAMMARY DEVELOPMENT AND PHYSIOLOGYK01DK064206 · NIDDK · YALE UNIVERSITY · PI VANHOUTEN, JOSHUA N · 2004 to 2006
$330k
NCI NIH HHS CA 094175NCI NIH HHS R01 CA094175NICHD NIH HHS P01 HD038129NICHD NIH HHS P01 HD 38129NIDDK NIH HHS DK 064206NIDDK NIH HHS DK 069542NIDDK NIH HHS K01 DK064206NIDDK NIH HHS R01 DK069542
6 · The paper itself

Abstract

The calcium-sensing receptor (CaR) regulates transepithelial calcium transport into milk by mammary epithelial cells. Using a genome-wide screening strategy, we identified the plasma membrane calcium ATPase isoform 2 (PMCA2) as a potential downstream target of the CaR. We show that PMCA2 expression in the mouse mammary gland increases during lactation and that PMCA2 is localized solely to the apical plasma membrane of mammary epithelial cells. In milk from deafwaddler mice, which have mutations in the gene encoding PMCA2, calcium concentrations were reduced, confirming its importance in calcium transport into milk. Furthermore, in cultured primary and EpH4 mouse mammary epithelial cells, CaR stimulation up-regulated calcium-dependent ATPase activity in plasma membrane preparations. By small interfering RNA-mediated gene knockdown of PMCA2, we show that PMCA2 accounts for the preponderance of calcium-ATPase activity. We also show that reduction of CaR expression with small interfering RNA eliminates the ability of extracellular calcium to elicit an increase in calcium-dependent ATPase activity in EpH4 cell membranes. These results demonstrate that activation of the CaR increases PMCA2 activity in mouse mammary epithelial cells, providing a mechanism for the regulation of transepithelial calcium transport by calcium in the lactating mouse mammary gland.

Indexed as

AnimalsBiological TransportBlotting, WesternCalciumCells, CulturedEpithelial CellsFemaleFluorescent Antibody TechniqueGadoliniumIsoenzymesLactationMammary Glands, AnimalMiceMice, Inbred BALB CMicroscopy, ImmunoelectronMilkCalciumGadoliniumIsoenzymesMilk ProteinsPlasma Membrane Calcium-Transporting ATPasesReceptors, Calcium-Sensing

Identifiers

PMID17823248
PMCPMC7108505
OpenAlexW2034201027

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.