Evidence map›Paper›PMID 30247805›Full record

ArticleJournal of cellular and molecular medicine2018

An alternative renin isoform is cardioprotective by modulating mitochondrial metabolism.

Heike Wanka, Philipp Lutze, Doreen Staar, Bianka Grunow, Barbara S Peters, Jörg Peters

Abstract read
In one paragraph

Article in Journal of cellular and molecular medicine, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
–field-weighted citation impact
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

13 citing papers in PubMed.

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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

6 authors.

Heike WankaDepartment of Physiology, University Medicine of Greifswald, Karlsburg, Germany.
Philipp LutzeDepartment of Physiology, University Medicine of Greifswald, Karlsburg, Germany.
Doreen StaarDepartment of Physiology, University Medicine of Greifswald, Karlsburg, Germany.
Bianka GrunowDepartment of Physiology, University Medicine of Greifswald, Karlsburg, Germany.
Barbara S PetersDepartment of Physiology, University Medicine of Greifswald, Karlsburg, Germany.
Jörg PetersDepartment of Physiology, University Medicine of Greifswald, Karlsburg, Germany.ORCID 0000-0003-0840-5697

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The renin-angiotensin system promotes oxidative stress, apoptosis, necrosis, fibrosis, and thus heart failure. Secretory renin plays a central role in these processes, initiating the generation of angiotensins. Nevertheless, alternative renin transcripts exist, which code for a cytosolically localized renin isoform (cyto-renin) that is cardioprotective. We tested the hypothesis that the protective effects are associated with a beneficial switch of metabolic and mitochondrial functions. To assess H9c2 cell mitochondrial parameters, we used the Seahorse XF analyser. Cardiac H9c2 cells overexpressing cyto-renin exhibited enhanced nonmitochondrial oxygen consumption, lactate accumulation, and LDH activity, reflecting a switch to more aerobic glycolysis known as Warburg effect. Additionally, mitochondrial spare capacity and cell respiratory control ratio were enhanced, indicating an increased potential to tolerate stress conditions. Renin knockdown induced opposite effects on mitochondrial functions without influencing metabolic parameters. Thus, the protective effects of cyto-renin are associated with an altered bioenergetic profile and an enhanced stress tolerance, which are favourable under ischaemic conditions. Therefore, cyto-renin is a promising new target for the prevention of ischaemia-induced myocardial damage.

Indexed as

AnimalsCardiotonic AgentsCell CountCell LineCell RespirationEnergy MetabolismGlycolysisLactatesL-Lactate DehydrogenaseMembrane Potential, MitochondrialMitochondriaOxygen ConsumptionProtein IsoformsRatsReninCardiotonic AgentsLactatesL-Lactate DehydrogenaseProtein IsoformsReninaerobic glycolysiscytosolic reninexon(1A-9)reninexon-b reninH9c2 cellsheartmitochondrial spare capacityWarburg effect

Identifiers

PMID30247805
PMCPMC6237583

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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.