Evidence map›Paper›PMID 36224261›Full record

ArticleMolecular psychiatry2022

Analysis of hyperforin (St. John's wort) action at TRPC6 channel leads to the development of a new class of antidepressant drugs.

Yamina El Hamdaoui, Fang Zheng, Nikolas Fritz, Lian Ye, Mai Anh Tran, Kevin Schwickert, Tanja Schirmeister, Albert Braeuning, Dajana Lichtenstein, Ute A Hellmich and 9 more

Open access · hybridAbstract read
In one paragraph

Article in Molecular psychiatry, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
4.4field-weighted citation impact, top 4% 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

19 citing papers in PubMed, 37 citations in OpenAlex.

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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

19 authors at 7 institutions in 3 countries.

Yamina El Hamdaoui *Pharmacology & Toxicology, Institute for Pharmaceutical and Biomedical Sciences, Johannes-Gutenberg Universität Mainz (JGU), Mainz, Germany.
Fang Zheng *Institute of Physiology and Pathophysiology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany.
Nikolas FritzPharmacology & Toxicology, Institute for Pharmaceutical and Biomedical Sciences, Johannes-Gutenberg Universität Mainz (JGU), Mainz, Germany.
Lian YePharmacology & Toxicology, Institute for Pharmaceutical and Biomedical Sciences, Johannes-Gutenberg Universität Mainz (JGU), Mainz, Germany.
Mai Anh TranInstitute of Organic Chemistry and Macromolecular Chemistry, Faculty of Chemistry and Earth Science, Friedrich Schiller University Jena, Jena, Germany.
Kevin SchwickertPharmacology & Toxicology, Institute for Pharmaceutical and Biomedical Sciences, Johannes-Gutenberg Universität Mainz (JGU), Mainz, Germany.ORCID http://orcid.org/0000-0002-2575-0380
Tanja SchirmeisterPharmacology & Toxicology, Institute for Pharmaceutical and Biomedical Sciences, Johannes-Gutenberg Universität Mainz (JGU), Mainz, Germany.
Albert BraeuningDepartment of Food Safety, German Federal Institute for Risk Assessment, Max-Dohrn-Str. 8-10, 10589, Berlin, Germany.
Dajana LichtensteinDepartment of Food Safety, German Federal Institute for Risk Assessment, Max-Dohrn-Str. 8-10, 10589, Berlin, Germany.
Ute A HellmichInstitute of Organic Chemistry and Macromolecular Chemistry, Faculty of Chemistry and Earth Science, Friedrich Schiller University Jena, Jena, Germany.ORCID http://orcid.org/0000-0001-7162-285X
Dorothee WeikertDepartment of Chemistry and Pharmacy, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany.
Markus HeinrichDepartment of Chemistry and Pharmacy, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany.
Giulia TreccaniDepartment of Psychiatry and Psychotherapy, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany.ORCID http://orcid.org/0000-0002-7224-3445
Michael K E SchäferDepartment of Anesthesiology, University Medical Center of the Johannes Gutenberg-University Mainz, Langenbeckstr. 1 (Bld. 505), 55131, Mainz, Germany.
Gabriel NowakDepartment of Pharmacobiology, Jagiellonian University Medical College, Krakow, Poland.
Bernd NürnbergDepartment of Pharmacology, Experimental Therapy & Toxicology, Eberhard-Karls-University of Tübingen, Tübingen, Germany.
Christian AlzheimerInstitute of Physiology and Pathophysiology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany.
Christian P MüllerDepartment of Psychiatry and Psychotherapy, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany. Christian.Mueller@uk-erlangen.de.ORCID http://orcid.org/0000-0002-5325-9900
Kristina FriedlandPharmacology & Toxicology, Institute for Pharmaceutical and Biomedical Sciences, Johannes-Gutenberg Universität Mainz (JGU), Mainz, Germany. kfriedla@uni-mainz.de.ORCID http://orcid.org/0000-0001-8603-5957
Johannes Gutenberg University Mainz · DEFriedrich-Alexander-Universität Erlangen-Nürnberg · DEFederal Institute for Risk Assessment · DEGoethe University Frankfurt · DEJagiellonian University · PLUniversiti Sains Malaysia · MYUniversity of Tübingen · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

St. John's wort is an herb, long used in folk medicine for the treatment of mild depression. Its antidepressant constituent, hyperforin, has properties such as chemical instability and induction of drug-drug interactions that preclude its use for individual pharmacotherapies. Here we identify the transient receptor potential canonical 6 channel (TRPC6) as a druggable target to control anxious and depressive behavior and as a requirement for hyperforin antidepressant action. We demonstrate that TRPC6 deficiency in mice not only results in anxious and depressive behavior, but also reduces excitability of hippocampal CA1 pyramidal neurons and dentate gyrus granule cells. Using electrophysiology and targeted mutagenesis, we show that hyperforin activates the channel via a specific binding motif at TRPC6. We performed an analysis of hyperforin action to develop a new antidepressant drug that uses the same TRPC6 target mechanism for its antidepressant action. We synthesized the hyperforin analog Hyp13, which shows similar binding to TRPC6 and recapitulates TRPC6-dependent anxiolytic and antidepressant effects in mice. Hyp13 does not activate pregnan-X-receptor (PXR) and thereby loses the potential to induce drug-drug interactions. This may provide a new approach to develop better treatments for depression, since depression remains one of the most treatment-resistant mental disorders, warranting the development of effective drugs based on naturally occurring compounds.

Indexed as

Antidepressive AgentsHypericumPhloroglucinolTerpenesTRPC6 Cation ChannelAnimalsMiceAntidepressive AgentshyperforinPhloroglucinolTerpenesTRPC6 Cation ChannelTrpc6 protein, mouse

Identifiers

PMID36224261
PMCPMC9763113
OpenAlexW4304695137

What OpenQuestion holds

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LicenceCC BY
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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.