Evidence map›Paper›PMID 32811276›Full record

ArticleMolecular pain

Novel RET agonist for the treatment of experimental neuropathies.

Hanna Viisanen, Ulpukka Nuotio, Oleg Kambur, Arun Kumar Mahato, Viljami Jokinen, Tuomas Lilius, Wei Li, Hélder A Santos, Mati Karelson, Pekka Rauhala and 2 more

Open access · goldAbstract read
In one paragraph

Article in Molecular pain. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
1.7field-weighted citation impact, top 16% 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

12 citing papers in PubMed, 19 citations in OpenAlex.

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  5. Biological ActivityBiomacromolecules · 2023
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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

12 authors at 2 institutions in 2 countries.

Hanna ViisanenDepartment of Pharmacology, Faculty of Medicine, University of Helsinki, Helsinki, Finland.
Ulpukka NuotioLaboratory of Molecular Neuroscience, Institute of Biotechnology, University of Helsinki, Helsinki, Finland.
Oleg KamburDepartment of Pharmacology, Faculty of Medicine, University of Helsinki, Helsinki, Finland.
Arun Kumar MahatoLaboratory of Molecular Neuroscience, Institute of Biotechnology, University of Helsinki, Helsinki, Finland.
Viljami JokinenDepartment of Pharmacology, Faculty of Medicine, University of Helsinki, Helsinki, Finland.
Tuomas LiliusDepartment of Pharmacology, Faculty of Medicine, University of Helsinki, Helsinki, Finland.
Wei LiLaboratory of Molecular Neuroscience, Institute of Biotechnology, University of Helsinki, Helsinki, Finland.
Hélder A SantosDrug Research Program, Division of Pharmaceutical Chemistry and Technology, University of Helsinki, Helsinki, Finland.
Mati KarelsonInstitute of Chemistry, Tartu University, Tartu, Estonia.
Pekka RauhalaDepartment of Pharmacology, Faculty of Medicine, University of Helsinki, Helsinki, Finland.
Eija KalsoDepartment of Pharmacology, Faculty of Medicine, University of Helsinki, Helsinki, Finland.
Yulia A SidorovaLaboratory of Molecular Neuroscience, Institute of Biotechnology, University of Helsinki, Helsinki, Finland.ORCID 0000-0001-8230-0530
University of Helsinki · FIUniversity of Tartu · EE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The glial cell line-derived neurotrophic factor (GDNF) family ligands (GFLs) alleviate symptoms of experimental neuropathy, protect and stimulate regeneration of sensory neurons in animal models of neuropathic pain, and restore their functional activity. However, clinical development of GFL proteins is complicated by their poor pharmacokinetic properties and multiple effects mediated by several receptors. Previously, we have identified a small molecule that selectively activates the major signal transduction unit of the GFL receptor complex, receptor tyrosine kinase RET, as an alternative to GFLs, for the treatment of neuropathic pain. We then introduced a series of chemical changes to improve the biological activity of these compounds and tested an optimized compound named BT44 in a panel of biological assays. BT44 efficiently and selectively stimulated the GFL receptor RET and activated the intracellular mitogene-activated protein kinase/extracellular signal-regulated kinase pathway in immortalized cells. In cultured sensory neurons, BT44 stimulated neurite outgrowth with an efficacy comparable to that of GFLs. BT44 alleviated mechanical hypersensitivity in surgery- and diabetes-induced rat models of neuropathic pain. In addition, BT44 normalized, to a certain degree, the expression of nociception-related neuronal markers which were altered by spinal nerve ligation, the neuropathy model used in this study. Our results suggest that the GFL mimetic BT44 is a promising new lead for the development of novel disease-modifying agents for the treatment of neuropathy and neuropathic pain.

Indexed as

AnimalsBehavior Rating ScaleBiomimeticsCell LineDiabetic NeuropathiesGlial Cell Line-Derived Neurotrophic FactorGlial Cell Line-Derived Neurotrophic Factor ReceptorsGlial Cell Line-Derived Neurotrophic FactorsImmunohistochemistryMaleNerve Tissue ProteinsNeuralgiaNociceptionPhosphorylationProto-Oncogene Proteins c-retRatsArtn protein, ratGlial Cell Line-Derived Neurotrophic FactorGlial Cell Line-Derived Neurotrophic Factor ReceptorsGlial Cell Line-Derived Neurotrophic FactorsNerve Tissue ProteinsProto-Oncogene Proteins c-retartemindiabetes mellitusdiabetic neuropathyGDNF family ligandsGlial cell line-derived neurotrophic factorneuropathic painneuropathyreceptor tyrosine kinase RETRET agonistspinal nerve ligation

Identifiers

PMID32811276
PMCPMC7440726
OpenAlexW3056992772

What OpenQuestion holds

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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.