Evidence map›Paper›PMID 25917509›Full record

ArticleChemical senses2015

Fragile X mental retardation protein regulates olfactory sensitivity but not odorant discrimination.

Arielle Schilit Nitenson, Emily E Stackpole, Torrey L S Truszkowski, Maellie Midroit, Justin R Fallon, Kevin G Bath

Open access · bronzeAbstract read
In one paragraph

Article in Chemical senses, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed, 1 pooled it
1.2field-weighted citation impact, top 17% 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

16 citing papers in PubMed, 1 synthesis or guideline pooled it, 25 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Anterior piriform cortex dysfunction underlies autism spectrum disorders-related olfactory deficits in Fmr1 conditional deletion mice.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2025
    Article
  4. Article
  5. Hyperexcitability in the Olfactory Bulb and Impaired Fine Odor Discrimination in theThe Journal of neuroscience : the official journal of the Society for Neuroscience · 2023
    Article
  6. Article
  7. Article
  8. Hyperexcitability and Homeostasis in Fragile X Syndrome.Frontiers in molecular neuroscience · 2021
    Article
  9. Article
  10. Article
  11. Article
  12. Review
  13. Early Retinal Defects inFrontiers in cellular neuroscience · 2018
    Article
  14. Article
  15. Article
  16. Review
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.

Arielle Schilit NitensonDepartment of Neuroscience, Brown University, 185 Meeting Street, Providence, RI 02912, USA.
Emily E StackpoleDepartment of Neuroscience, Brown University, 185 Meeting Street, Providence, RI 02912, USA.
Torrey L S TruszkowskiDepartment of Neuroscience, Brown University, 185 Meeting Street, Providence, RI 02912, USA.
Maellie MidroitUniversitie Claude Bernard Lyon, Universite de Lyon, Lyon, France.
Justin R FallonDepartment of Neuroscience, Brown University, 185 Meeting Street, Providence, RI 02912, USA.
Kevin G BathDepartment of Neuroscience, Brown University, 185 Meeting Street, Providence, RI 02912, USA, Department of Cognitive, Linguistic and Psychological Sciences, Brown University, 190 Thayer Street, Providence, RI 02912, USA kevin_bath@brown.edu.
Brown University · USUniversité Claude Bernard Lyon 1 · FR

Funding

Interdisciplinary Predoctoral Neuroscience Training Program in the Neuroscience Graduate Program.T32MH020068 · NIMH · BROWN UNIVERSITY · PI LIPSCOMBE, DIANE, SHEINBERG, DAVID L · 1999 to 2025
$7.6M
Neuroscience Advanced Predoctoral Institutional Training GrantT32NS062443 · NINDS · BROWN UNIVERSITY · PI LIPSCOMBE, DIANE, MOORE, CHRISTOPHER I · 2008 to 2018
$1.8M
NIMH NIH HHS T32MH020068NINDS NIH HHS T32 NS062443
6 · The paper itself

Abstract

Fragile X syndrome (FXS) is the most common cause of inherited intellectual disability and is characterized by cognitive impairments and altered sensory function. It is caused by absence of fragile X mental retardation protein (FMRP), an RNA-binding protein essential for normal synaptic plasticity and function. Animal models have provided important insights into mechanisms through which loss of FMRP impacts cognitive and sensory development and function. While FMRP is highly enriched in the developing and adult olfactory bulb (OB), its role in olfactory sensory function remains poorly understood. Here, we used a mouse model of FXS, the fmr1 (-/y) mouse, to test whether loss of FMRP impacts olfactory discrimination, habituation, or sensitivity using a spontaneous olfactory cross-habituation task at a range of odorant concentrations. We demonstrated that fmr1 (-/y) mice have a significant decrease in olfactory sensitivity compared with wild type controls. When we controlled for differences in sensitivity, we found no effect of loss of FMRP on the ability to habituate to or spontaneously discriminate between odorants. These data indicate that loss of FMRP significantly alters olfactory sensitivity, but not other facets of basal olfactory function. These findings have important implications for future studies aimed at understanding the role of FMRP on sensory functioning.

Indexed as

OdorantsAnimalsDisease Models, AnimalFragile X Messenger Ribonucleoprotein 1Fragile X SyndromeGene DeletionMaleMiceMice, Inbred C57BLMice, KnockoutOlfactory PathwaysOlfactory PerceptionFragile X Messenger Ribonucleoprotein 1behaviordiscriminationFMRPmouseolfactionsensitivity

Identifiers

PMID25917509
PMCPMC4542900
OpenAlexW2314550623

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.