Evidence map›Paper›PMID 40072069›Full record

ArticleCells2025

The Cholinergic Receptor Nicotinic α3 Was Reduced in the Hippocampus of Early Cognitively Impaired Adult Male Mice and Upregulated by Nicotine and Cytisine in HT22 Cells.

Hidetaka Ota, Takako Ohnuma, Ayuto Kodama, Tatsunori Shimizu, Kaoru Sugawara, Fumio Yamamoto

Abstract read
In one paragraph

Article in Cells, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
–field-weighted citation impact
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

4 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. 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.

Hidetaka OtaAdvanced Research Center for Geriatric and Gerontology, Akita University, Akita 010-8543, Japan.ORCID 0000-0003-4815-3711
Takako OhnumaAdvanced Research Center for Geriatric and Gerontology, Akita University, Akita 010-8543, Japan.
Ayuto KodamaAdvanced Research Center for Geriatric and Gerontology, Akita University, Akita 010-8543, Japan.ORCID 0000-0002-2583-9422
Tatsunori ShimizuAdvanced Research Center for Geriatric and Gerontology, Akita University, Akita 010-8543, Japan.
Kaoru SugawaraAdvanced Research Center for Geriatric and Gerontology, Akita University, Akita 010-8543, Japan.
Fumio YamamotoAdvanced Research Center for Geriatric and Gerontology, Akita University, Akita 010-8543, Japan.

Funding

MEXT KAKENHI JP 23K06883
6 · The paper itself

Abstract

Ageing is a major risk factor for cognitive and physical decline, but its mechanisms remain poorly understood. This study aimed to detect early cognitive and physical changes, and to analyze the pathway involved by monitoring two groups of mice: a young and an adult group. The study has identified the types of molecules involved in the hippocampus. Adult mice (47 weeks) showed significantly reduced exploratory behavior compared to young mice (11 weeks), although spatial working memory showed no difference. In terms of physical function, grip strength was significantly reduced in adult mice. The Frailty Index (FI) further highlighted age-related changes in adult mice. To investigate the causes of cognitive decline, adult mice were categorized based on their declining cognitive function. Microarray analysis of their hippocampi revealed that the cholinergic receptor nicotinic α3 subunit (Chrna3) was significantly reduced in mice with cognitive decline compared to controls. Subsequent in vitro experiments showed that oxidative stress and cholinesterase inhibitors decreased Chrna3 expression, whereas nicotine and cytisine increased it. These results suggest that Chrna3 is a key factor in age-related cognitive decline. The development of therapeutic strategies targeting Chrna3 expression may offer promising avenues for preclinical and clinical research to mitigate cognitive ageing.

Indexed as

AlkaloidsAzocinesCognitive DysfunctionHippocampusNicotineQuinolizinesReceptors, NicotinicUp-RegulationAgingAnimalsCell LineMaleMiceMice, Inbred C57BLOxidative StressQuinolizidine AlkaloidsAlkaloidsAzocinescytisineNicotineQuinolizidine AlkaloidsQuinolizinesReceptors, Nicotiniccholinergic receptor nicotinic ?3 subunitcytisineearly age-related cognitive declinefrailtynicotine

Identifiers

PMID40072069
PMCPMC11898884

What Socratic holds

Textmetadata
LicenceCC BY
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 Socratic graph.