Evidence map›Paper›PMID 28807015›Full record

ArticleBiology of sex differences2017

Genomic upregulation of cardiac Cav1.2α and NCX1 by estrogen in women.

Rita Papp, Glenna C L Bett, Agnieszka Lis, Randall L Rasmusson, István Baczkó, András Varró, Guy Salama

Open access · goldAbstract read
In one paragraph

Article in Biology of sex differences, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed
2.9field-weighted citation impact, top 8% 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

32 citing papers in PubMed, 51 citations in OpenAlex.

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  11. Exploring the mechanisms of sex-specific proarrhythmia in long QT syndrome through computational modeling.American journal of physiology. Heart and circulatory physiology · 2025
    Article
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  16. An In Vivo Model of Estrogen Supplementation Concerning the Expression of CaJournal of cardiovascular development and disease · 2024
    Article
  17. 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

7 authors at 3 institutions in 3 countries.

Rita PappDepartment of Bioengineering and the Department of Medicine, Heart and Vascular Institute, University of Pittsburgh, Pittsburgh, PA, 15261, USA.
Glenna C L BettCenter for Cellular and Systems Electrophysiology, University at Buffalo, State University of New York, Buffalo, NY, 14214, USA.
Agnieszka LisCenter for Cellular and Systems Electrophysiology, University at Buffalo, State University of New York, Buffalo, NY, 14214, USA.
Randall L RasmussonCenter for Cellular and Systems Electrophysiology, University at Buffalo, State University of New York, Buffalo, NY, 14214, USA.
István BaczkóDepartment of Pharmacology and Pharmacotherapy, University of Szeged, Szeged, Hungary.
András VarróDepartment of Pharmacology and Pharmacotherapy, University of Szeged, Szeged, Hungary.
Guy SalamaDepartment of Bioengineering and the Department of Medicine, Heart and Vascular Institute, University of Pittsburgh, Pittsburgh, PA, 15261, USA. gsalama@pitt.edu.
University at Buffalo, State University of New York · USUniversity of Pittsburgh · USUniversity of Szeged · HU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundWomen have a higher risk of lethal arrhythmias than men in long QT syndrome type 2 (LQTS2), but the mechanisms remain uncertain due to the limited availability of healthy control human tissue. We have previously reported that in female rabbits, estrogen increases arrhythmia risk in drug-induced LQTS2 by upregulating L-type Ca

methodsPostmortem human left ventricular tissue samples were probed with selective antibodies for regional heterogeneities of ion channel protein expression and compared to rabbit myocardium. Functionally, I

resultsIn women (n = 12), Cav1.2α (primary subunit of the L-type calcium channel protein 1) and NCX1 (sodium-calcium exchange protein) levels were higher at the base than apex of the epicardium (40 ± 14 and 81 ± 30%, respectively, P < 0.05), but not in men (n = 6) or postmenopausal women (n = 6). Similarly, in cardiomyocytes derived from female human iPS-CMs, estrogen (1 nM, 1-2 days) increased I

conclusionsThe results show that estrogen upregulates cardiac I

Indexed as

Sex CharacteristicsAdolescentAdultAgedAnimalsCalcium Channels, L-TypeCells, CulturedEstrogensFemaleHumansInduced Pluripotent Stem CellsMaleMembrane PotentialsMiddle AgedMyocardiumMyocytes, CardiacCACNA1C protein, humanCalcium Channels, L-TypeEstrogensRNA, MessengerSodium-Calcium Exchangersodium-calcium exchanger 117-β-estradiolL-type Ca2+ channelRegional heterogeneities in the heartSex differences in arrhythmia phenotypeSex differences in the human heartSodium-calcium exchanger

Identifiers

PMID28807015
PMCPMC5557418
OpenAlexW2746091376

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

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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.