Evidence map›Paper›PMID 32271938›Full record

ArticleThe British journal of dermatology2021

New effects of caffeine on corticotropin-releasing hormone (CRH)-induced stress along the intrafollicular classical hypothalamic-pituitary-adrenal (HPA) axis (CRH-R1/2, IP

T W Fischer, A Bergmann, N Kruse, K Kleszczynski, C Skobowiat, A T Slominski, R Paus

Open access · hybridAbstract read
In one paragraph

Article in The British journal of dermatology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
3.0field-weighted citation impact, top 9% 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

17 citing papers in PubMed, 30 citations in OpenAlex.

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  10. iScience · 2024
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  15. Anxiety and Depression: What Do We Know of Neuropeptides?Behavioral sciences (Basel, Switzerland) · 2022
    Review
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

7 authors at 4 institutions in 4 countries.

T W FischerDepartment of Dermatology, Allergology and Venerology, University of Lübeck, Lübeck, Germany.ORCID 0000-0002-9700-5275
A BergmannDepartment of Dermatology, Allergology and Venerology, University of Lübeck, Lübeck, Germany.
N KruseDepartment of Dermatology, Allergology and Venerology, University of Lübeck, Lübeck, Germany.
K KleszczynskiDepartment of Dermatology, Allergology and Venerology, University of Lübeck, Lübeck, Germany.
C SkobowiatDepartment of Dermatology, University of Alabama at Birmingham, Birmingham, AL, 35294, USA.
A T SlominskiDepartment of Dermatology, University of Alabama at Birmingham, Birmingham, AL, 35294, USA.
R PausDepartment of Dermatology, Allergology and Venerology, University of Lübeck, Lübeck, Germany.
University of Lübeck · DEUniversity of Alabama at Birmingham · USJohannes Kepler University of Linz · ATUniversity of Miami · US

Funding

Mechanism of action and function of novel secosteroid 20(OH)D3 in the skinR01AR073004 · NIAMS · UNIVERSITY OF ALABAMA AT BIRMINGHAM · PI ANDRZEJ T SLOMINSKI · 2018 to 2026
$2.9M
Significance of metabolic activation of lumisterol in the skinR01AR071189 · NIAMS · UNIVERSITY OF ALABAMA AT BIRMINGHAM · PI SLOMINSKI, ANDRZEJ T · 2017 to 2021
$1.6M
Role of Exogenous Melatonin in Skin BiologyR01AR056666 · NIAMS · UNIVERSITY OF TENNESSEE HEALTH SCI CTR · PI SLOMINSKI, ANDRZEJ T · 2011 to 2015
$1.6M
NIAMS NIH HHS R01 AR056666NIAMS NIH HHS R01 AR071189NIAMS NIH HHS R01 AR073004
6 · The paper itself

Abstract

backgroundHuman hair is highly responsive to stress, and human scalp hair follicles (HFs) contain a peripheral neuroendocrine equivalent of the systemic hypothalamic-pituitary-adrenal (HPA) stress axis. Androgenetic alopecia (AGA) is supposed to be aggravated by stress. We used corticotropin-releasing hormone (CRH), which triggers the HPA axis, to induce a stress response in human ex vivo male AGA HFs. Caffeine is known to reverse testosterone-mediated hair growth inhibition in the same hair organ culture model.

objectivesTo investigate whether caffeine would antagonize CRH-mediated stress in these HFs.

methodsHFs from balding vertex area scalp biopsies of men affected by AGA were incubated with CRH (10

resultsCompared to controls, CRH significantly enhanced the expression of catagen-inducing transforming growth factor-β2 (TGF-β2) (P < 0·001), CRH receptors 1 and 2 (CRH-R1/2) (P < 0·01), adrenocorticotropic hormone (ACTH) (P < 0·001) and melanocortin receptor 2 (MC-R2) (P < 0·001), and additional stress-associated parameters, substance P and p75 neurotrophin receptor (p75

conclusionsThese findings provide the first evidence in ex vivo human AGA HFs that the stress mediator CRH induces not only a complex intrafollicular HPA response, but also a non-HPA-related stress response. Moreover, we show that these effects can be effectively antagonized by caffeine. Thus, these data strongly support the hypothesis that stress can impair human hair physiology and induce hair loss, and that caffeine may effectively counteract stress-induced hair damage and possibly prevent stress-induced hair loss.

Indexed as

Corticotropin-Releasing HormoneReceptor, Melanocortin, Type 2Adrenocorticotropic HormoneAndrogensCaffeineHair FollicleHumansHypothalamo-Hypophyseal SystemMalePituitary-Adrenal SystemReceptor Protein-Tyrosine KinasesReceptors, Nerve Growth FactorScalpSubstance PAdrenocorticotropic HormoneAndrogensCaffeineCorticotropin-Releasing HormoneReceptor, Melanocortin, Type 2Receptor Protein-Tyrosine KinasesReceptors, Nerve Growth FactorSubstance P

Identifiers

PMID32271938
PMCPMC7962141
OpenAlexW3015486116

What OpenQuestion holds

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LicenceCC BY-NC
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.