Evidence map›Paper›PMID 30735243›Full record

ArticleBritish journal of pharmacology2019

GSK2646264, a spleen tyrosine kinase inhibitor, attenuates the release of histamine in ex vivo human skin.

Cesar Ramirez Molina, Sidsel Falkencrone, Per S Skov, Edward Hooper-Greenhill, Mike Barker, Marion C Dickson

Open access · bronzeAbstract read
In one paragraph

Article in British journal of pharmacology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
3.1field-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

14 citing papers in PubMed, 27 citations in OpenAlex.

  1. Trial
  2. Review
  3. Article
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  8. Article
  9. Review
  10. Current and emerging treatments for chronic spontaneous urticaria.Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology · 2020
    Review
  11. Review
  12. Urticaria: Collegium Internationale Allergologicum (CIA) Update 2020.International archives of allergy and immunology · 2020
    Review
  13. Emerging Therapies in Chronic Spontaneous Urticaria.Allergy, asthma & immunology research · 2019
    Review
  14. 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 2 institutions in 2 countries.

Cesar Ramirez MolinaImmunoinflammation TAU, GSK, Stevenage, UK.
Sidsel FalkencroneContract Research, RefLab ApS, Copenhagen, Denmark.
Per S SkovContract Research, RefLab ApS, Copenhagen, Denmark.
Edward Hooper-GreenhillImmunoinflammation TAU, GSK, Stevenage, UK.
Mike BarkerRespiratory TAU, GSK, Stevenage, UK.
Marion C DicksonImmunoinflammation TAU, GSK, Stevenage, UK.ORCID 0000-0003-3065-6222
Age UK · GBSynlab Czech (Czechia) · CZ

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

background and purposeChronic spontaneous urticaria presents as a heterogeneous syndrome characterised by wheals, angioedema, or both for greater than 6 weeks. Spleen tyrosine kinase mediates allergen-induced mast cell degranulation via the IgE signalling pathway, a central component of wheal formation and inflammation. In this study, we investigated the effects of perfused or topically administered GSK2646264 on IgE-mediated histamine release from mast cells in an ex vivo human skin model. EXPERIMENTAL APPROACH: Using a novel SkiP device, ex vivo human skin from mastectomy surgeries was challenged with anti-IgE, complement 5a (C5a), and buffer to induce histamine release from skin mast cells. Histamine was collected via microdialysis fibres and measured fluorometrically. GSK2646264 was delivered via perfusion either using microdialysis fibres or topically in a cream. Drug concentrations in the skin were measured by LC-MS, and a pharmacokinetic/ pharmacodynamic (PK/PD) relationship developed. KEY

resultsPerfused GSK2646264 significantly inhibited anti-IgE (but not C5a)-induced histamine release in a concentration-dependent manner. The 0.5, 1, and 3% cream delivered GSK2646264 to the dermis above the IC CONCLUSIONS AND IMPLICATIONS: GSK2646264 administered topically or direct to the dermis blocked histamine release from in situ skin mast cells. A PK/PD relationship curve suggests that dermal concentrations above 6.8 μM should lead to approximately 90% inhibition of histamine release from skin mast cells following activation of the Fc fragment of IgE receptor 1a, implicating a potential use for the compound in skin mast cell diseases such as urticaria.

Indexed as

Administration, TopicalDose-Response Relationship, DrugFemaleHistamineHistamine ReleaseHumansMicrodialysisOrgan Culture TechniquesProtein Kinase InhibitorsPyridinesSkinSyk KinaseGSK2646264HistamineProtein Kinase InhibitorsPyridinesSyk Kinase

Identifiers

PMID30735243
PMCPMC6451110
OpenAlexW2913234101

What OpenQuestion holds

Textmetadata
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.