Evidence map›Paper›PMID 34387656›Full record

ArticleThe Journal of general physiology2021

The epithelial potassium channel Kir7.1 is stimulated by progesterone.

Ida Björkgren, Sarah Mendoza, Dong Hwa Chung, Monika Haoui, Natalie True Petersen, Polina V Lishko

Open access · greenAbstract read
In one paragraph

Article in The Journal of general physiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
0.8field-weighted citation impact, top 33% 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

9 citing papers in PubMed, 10 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. The sperm-specific KFrontiers in cell and developmental biology · 2024
    Article
  5. Neurosteroid enantiomers as potentially novel neurotherapeutics.Neuroscience and biobehavioral reviews · 2023
    Review
  6. Review
  7. Inward rectifier potassium (Kir) channels in the retina: living our vision.American journal of physiology. Cell physiology · 2022
    Review
  8. Kir7.1 disease mutant T153I within the inner pore affects KAmerican journal of physiology. Cell physiology · 2022
    Article
  9. 2022.The Journal of general physiology · 2022
    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 1 institution in 1 country.

Ida BjörkgrenDepartment of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA.ORCID 0000-0001-6678-2672
Sarah Mendoza *Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA.
Dong Hwa Chung *Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA.
Monika Haoui *Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA.ORCID 0000-0002-8886-8773
Natalie True PetersenDepartment of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA.ORCID 0000-0001-8145-4466
Polina V LishkoDepartment of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA.ORCID 0000-0003-3140-2769
University of California, Berkeley · US

Funding

Molecular identity of human sperm potassium channel and its role in male fertilityR01GM111802 · NIGMS · UNIVERSITY OF CALIFORNIA BERKELEY · PI LISHKO, POLINA V, SMITH, JAMES F. · 2015 to 2019
$2.2M
Pacific Biosciences PacBio RS Single Molecule Real Time SequencerS10OD018174 · OD · UNIVERSITY OF CALIFORNIA BERKELEY · PI ROKHSAR, DANIEL SOLEYMAN · 2014 to 2014
$600k
Steroid signaling in the choroid plexus of the aging brainR03AG070755 · NIA · WASHINGTON UNIVERSITY · PI GARRISON, JENNIFER L, LISHKO, POLINA V · 2021 to 2021
$357k
NIA NIH HHS R03 AG070755NIGMS NIH HHS R01 GM111802NIH HHS R01GM111802NIH HHS S10 OD018174
6 · The paper itself

Abstract

The choroid plexus (CP) epithelium secretes cerebrospinal fluid and plays an important role in healthy homeostasis of the brain. CP function can be influenced by sex steroid hormones; however, the precise molecular mechanism of such regulation is not well understood. Here, using whole-cell patch-clamp recordings from male and female murine CP cells, we show that application of progesterone resulted in specific and strong potentiation of the inwardly rectifying potassium channel Kir7.1, an essential protein that is expressed in CP and is required for survival. The potentiation was progesterone specific and independent of other known progesterone receptors expressed in CP. This effect was recapitulated with recombinant Kir7.1, as well as with endogenous Kir7.1 expressed in the retinal pigment epithelium. Current-clamp studies further showed a progesterone-induced hyperpolarization of CP cells. Our results provide evidence of a progesterone-driven control of tissues in which Kir7.1 is present.

Indexed as

Potassium Channels, Inwardly RectifyingAnimalsFemaleMaleMicePatch-Clamp TechniquesPotassiumProgesteronePotassiumPotassium Channels, Inwardly RectifyingProgesterone

Identifiers

PMID34387656
PMCPMC8374857
OpenAlexW3191300295

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-SA
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.