Evidence map›Paper›PMID 20233215›Full record

ArticleBritish journal of pharmacology2010

Spinal and peripheral analgesic effects of the CB2 cannabinoid receptor agonist AM1241 in two models of bone cancer-induced pain.

V Curto-Reyes, S Llames, A Hidalgo, L Menéndez, A Baamonde

Open access · bronzeAbstract read
In one paragraph

Article in British journal of pharmacology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.

0numbers the graph read from it
0cells of the map it votes in
39citing papers in PubMed
8.3field-weighted citation impact, top 2% 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

39 citing papers in PubMed, 82 citations in OpenAlex.

  1. Trial
  2. Cannabinoid CBBritish journal of pharmacology · 2025
    Review
  3. Review
  4. Article
  5. Review
  6. Microglial Cannabinoid CBInternational journal of molecular sciences · 2023
    Review
  7. Review
  8. Article
  9. Article
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  13. Article
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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

5 authors at 3 institutions in 1 country.

V Curto-ReyesLaboratorio de Farmacología, Facultad de Medicina, Instituto Universitario de Oncología del Principado de Asturias (IUOPA), Universidad de Oviedo, Oviedo, Asturias, Spain.
S Llames
A Hidalgo
L Menéndez
A Baamonde
Instituto de Investigación Sanitaria del Principado de Asturias · ESGobierno del Principado de Asturias · ESUniversidad de Oviedo · ES

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

background and purposeThe activation of CB(2) receptors induces analgesia in experimental models of chronic pain. The present experiments were designed to study whether the activation of peripheral or spinal CB(2) receptors relieves thermal hyperalgesia and mechanical allodynia in two models of bone cancer pain. EXPERIMENTAL APPROACH: NCTC 2472 osteosarcoma or B16-F10 melanoma cells were intratibially inoculated to C3H/He and C57BL/6 mice. Thermal hyperalgesia was assessed by the unilateral hot plate test and mechanical allodynia by the von Frey test. AM1241 (CB(2) receptor agonist), AM251 (CB(1) receptor antagonist), SR144528 (CB(2) receptor antagonist) and naloxone were used. CB(2) receptor expression was measured by Western blot. KEY

resultsAM1241 (0.3-10 mg.kg(-1)) abolished thermal hyperalgesia and mechanical allodynia in both tumour models. The antihyperalgesic effect was antagonized by subcutaneous, intrathecal or peri-tumour administration of SR144528. In contrast, the antiallodynic effect was inhibited by systemic or intrathecal, but not peri-tumour, injection of SR144528. The effects of AM1241 were unchanged by AM251 but were prevented by naloxone. No change in CB(2) receptor expression was found in spinal cord or dorsal root ganglia. CONCLUSIONS AND IMPLICATIONS: Spinal CB(2) receptors are involved in the antiallodynic effect induced by AM1241 in two neoplastic models while peripheral and spinal receptors participate in the antihyperalgesic effects. Both effects were mediated by endogenous opiates. The use of drugs that activate CB(2) receptors could be a useful strategy to counteract bone cancer-induced pain symptoms.

Indexed as

Disease Models, AnimalAnalgesicsAnimalsBone NeoplasmsCamphanesCannabinoidsCell Line, TumorDose-Response Relationship, DrugDrug InteractionsGanglia, SpinalHumansMiceMice, Inbred C3HMice, Inbred C57BLNaloxoneOsteosarcomaAM 1241AM 251AnalgesicsCamphanesCannabinoidsNaloxonePiperidinesPyrazolesReceptor, Cannabinoid, CB2SR 144528

Identifiers

PMID20233215
PMCPMC2931557
OpenAlexW1925843499

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.