Evidence map›Paper›PMID 20621107›Full record

ArticleNeuropharmacology2010

The H3 antagonist, ciproxifan, alleviates the memory impairment but enhances the motor effects of MK-801 (dizocilpine) in rats.

Mark E Bardgett, Megan Points, Jennifer Kleier, Meredith Blankenship, Molly S Griffith

Open access · greenAbstract read
In one paragraph

Article in Neuropharmacology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
0.8field-weighted citation impact, top 29% 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

13 citing papers in PubMed, 27 citations in OpenAlex.

  1. Review
  2. Review
  3. Article
  4. Procognitive impact of ciproxifan (a histaminergic HCNS neuroscience & therapeutics · 2019
    Article
  5. Article
  6. Histamine HInternational journal of health sciences · 2016
    Review
  7. Article
  8. Article
  9. In search of memory tests equivalent for experiments on animals and humans.Medical science monitor : international medical journal of experimental and clinical research · 2014
    Review
  10. Review
  11. Adult rats treated with risperidone during development are hyperactive.Experimental and clinical psychopharmacology · 2013
    Article
  12. Overdose of the histamine H₃ inverse agonist pitolisant increases thermal pain thresholds.Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2012
    Article
  13. 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

5 authors at 1 institution in 1 country.

Mark E BardgettDepartment of Psychological Science, Northern Kentucky University, 1 Nunn Drive, Highland Heights, KY 41076, USA. bardgettm@nku.edu
Megan Points
Jennifer Kleier
Meredith Blankenship
Molly S Griffith
Northern Kentucky University · US

Funding

WKU Lead Faculty AwardP20GM103436 · NIGMS · UNIVERSITY OF LOUISVILLE · PI ERIC C ROUCHKA · 2012 to 2026
$60.1M
ZEBRAFISH VISUAL FUNCTION RECOVERY FOLLOWING OPTIC NERVE DAMAGEP20RR016481 · NCRR · UNIVERSITY OF LOUISVILLE · PI BARTON, HAZEL A · 2001 to 2011
$34.8M
Improving memory after hippocampal cell lossR15MH076788 · NIMH · NORTHERN KENTUCKY UNIVERSITY · PI BARDGETT, MARK EDWARD · 2007 to 2007
$197k
NCRR NIH HHS 2P20 RR16481NCRR NIH HHS P20 RR016481NIGMS NIH HHS P20 GM103436NIMH NIH HHS R15 MH076788
6 · The paper itself

Abstract

Antagonists of H(3)-type histamine receptors exhibit cognitive-enhancing properties in various memory paradigms as well as evidence of antipsychotic activity in normal animals. The present study determined if a prototypical H(3) antagonist, ciproxifan, could reverse the behavioral effects of MK-801, a drug used in animals to mimic the hypoglutamatergic state suspected to exist in schizophrenia. Four behaviors were chosen for study, locomotor activity, ataxia, prepulse inhibition (PPI), and delayed spatial alternation, since their modification by dizocilpine (MK-801) has been well characterized. Adult male Long-Evans rats were tested after receiving a subcutaneous injection of ciproxifan or vehicle followed 20 min later by a subcutaneous injection of MK-801 or vehicle. Three doses of MK-801 (0.05, 0.1, & 0.3 mg/kg) increased locomotor activity. Each dose of ciproxifan (1.0 & 3.0 mg/kg) enhanced the effect of the moderate dose of MK-801, but suppressed the effect of the high dose. Ciproxifan (3.0 mg/kg) enhanced the effects of MK-801 (0.1 & 0.3 mg/kg) on fine movements and ataxia. Deficits in PPI were observed after treatment with MK-801 (0.05 & 0.1 mg/kg), but ciproxifan did not alter these effects. Delayed spatial alternation was significantly impaired by MK-801 (0.1 mg/kg) at a longer delay, and ciproxifan (3.0 mg/kg) alleviated this impairment. These results indicate that some H(3) antagonists can alleviate the impact of NMDA receptor hypofunction on some forms of memory, but may exacerbate its effect on other behaviors.

Indexed as

Analysis of VarianceAnimalsDizocilpine MaleateDose-Response Relationship, DrugDrug InteractionsExcitatory Amino Acid AntagonistsHistamine H3 AntagonistsImidazolesMaleMemoryMotor ActivityRatsRats, Long-EvansReflex, StartleSensory GatingciproxifanDizocilpine MaleateExcitatory Amino Acid AntagonistsHistamine H3 AntagonistsImidazoles

Identifiers

PMID20621107
PMCPMC2946466
OpenAlexW1984211624

What OpenQuestion holds

Textmetadata
LicenceTDM
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.