Evidence map›Paper›PMID 32399074›Full record

ArticleCognitive neurodynamics2020

Intranasal insulin administration may be highly effective in improving cognitive function in mice with cognitive dysfunction by reversing brain insulin resistance.

Hui Lv, Lingjiao Tang, Canshou Guo, Yongming Jiang, Ce Gao, Yifan Wang, Chongdong Jian

Open access · greenAbstract read
In one paragraph

Article in Cognitive neurodynamics, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed
4.3field-weighted citation impact, top 5% 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

26 citing papers in PubMed, 54 citations in OpenAlex.

  1. Review
  2. Time- and Region-Specific Effects of Intranasal Insulin on Oxidative Stress Parameters in the Rat Brain.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2026
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  19. Glucose Metabolism, Neural Cell Senescence and Alzheimer's Disease.International journal of molecular sciences · 2022
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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

7 authors at 1 institution in 1 country.

Hui Lv1Youjiang Medical University for Nationalities, Chengxiang Avenue, Youjiang District, Baise, 533000 Guangxi People's Republic of China.
Lingjiao Tang1Youjiang Medical University for Nationalities, Chengxiang Avenue, Youjiang District, Baise, 533000 Guangxi People's Republic of China.
Canshou GuoThe 6th Hospital of Wu Han, Wuhan, 430015 Hubei People's Republic of China.
Yongming Jiang2Graduate College of Youjiang Medical University for Nationalities, Chengxiang Avenue, Youjiang District, Baise, 533000 Guangxi People's Republic of China.
Ce Gao2Graduate College of Youjiang Medical University for Nationalities, Chengxiang Avenue, Youjiang District, Baise, 533000 Guangxi People's Republic of China.
Yifan Wang2Graduate College of Youjiang Medical University for Nationalities, Chengxiang Avenue, Youjiang District, Baise, 533000 Guangxi People's Republic of China.
Chongdong Jian1Youjiang Medical University for Nationalities, Chengxiang Avenue, Youjiang District, Baise, 533000 Guangxi People's Republic of China.
Affiliated Hospital of Youjiang Medical University for Nationalities · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

It is well known in clinical practice that Alzheimer's disease (AD) is closely associated with brain insulin resistance, and the cerebral insulin pathway has been proven to play a critical role in the pathogenesis of AD. However, finding the most efficient way to improve brain insulin resistance remains challenging. Peripheral administration of insulin does not have the desired therapeutic effect and may induce adverse reactions, such as hyperinsulinemia, but intranasal administration may be an efficient way. In the present study, we established a brain insulin resistance model through an intraventricular injection of streptozotocin, accompanied by cognitive impairment. Following intranasal insulin treatment, the learning and memory functions of mice were significantly restored, the neurogenesis in the hippocampus was improved, the level of insulin in the brain increased, and the activation of the IRS-1-PI3K-Akt-GSK3β insulin signal pathway, but not the Ras-Raf-MEK-MAPK pathway, was markedly increased. The olfactory bulb-subventricular zone-subgranular zone (OB-SVZ-SGZ) axis might be the mechanism through which intranasal insulin regulates cognition in brain-insulin-resistant mice. Thus, intranasal insulin administration may be a highly efficient way to improve cognitive function by increasing cerebral insulin levels and reversing insulin resistance.

Indexed as

Cognitive functionIntranasal insulinIRS-1 pathwayNeurogenesisSTZ

Identifiers

PMID32399074
PMCPMC7203403
OpenAlexW3007240756

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.