Evidence map›Paper›PMID 34789895›Full record

ArticleCell research2022

An App knock-in rat model for Alzheimer's disease exhibiting Aβ and tau pathologies, neuronal death and cognitive impairments.

Keliang Pang, Richeng Jiang, Wei Zhang, Zhengyi Yang, Lin-Lin Li, Makoto Shimozawa, Simone Tambaro, Johanna Mayer, Baogui Zhang, Man Li and 12 more

Open access · hybridAbstract read
In one paragraph

Article in Cell research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 78 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
78citing papers in PubMed, 1 pooled it
9.8field-weighted citation impact, top 1% 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

78 citing papers in PubMed, 1 synthesis or guideline pooled it, 131 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Article
  4. Article
  5. Article
  6. Decoding the mechanisms of amyloid-β in synaptic toxicity.Journal of Alzheimer's disease : JAD · 2026
    Review
  7. Review
  8. Review
  9. Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Intranasal AβJournal of neuroimmune pharmacology : the official journal of the Society on NeuroImmune Pharmacology · 2025
    Article
  15. Article
  16. Article
  17. Review
  18. Review
  19. Article
  20. Experimental modeling of Alzheimer's disease: Translational lessons from cross-taxon analyses.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025
    Review

18 more citing papers are in PubMed but not listed here.

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

22 authors at 7 institutions in 3 countries.

Keliang PangSchool of Pharmaceutical Sciences, IDG/McGovern Institute for Brain Research, Tsinghua University-Peking University Joint Center for Life Sciences, Tsinghua University, Beijing, China.
Richeng JiangDepartment of Neurobiology, Care Sciences and Society, Division of Neurogeriatrics, Center for Alzheimer Research, Karolinska Institutet, Stockholm, Sweden.ORCID http://orcid.org/0000-0001-5184-4172
Wei ZhangCAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, and Department of Psychology, University of Chinese Academy of Sciences, Beijing, China.
Zhengyi YangBrainnetome Center, Institute of Automation, Chinese Academy of Sciences, Beijing, China.
Lin-Lin LiResearch Center for Brain-inspired Intelligence, National Laboratory of Pattern Recognition, Institute of Automation, School of Future Technology, University of CAS, and CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, China.
Makoto ShimozawaDepartment of Neurobiology, Care Sciences and Society, Division of Neurogeriatrics, Center for Alzheimer Research, Karolinska Institutet, Stockholm, Sweden.
Simone TambaroDepartment of Neurobiology, Care Sciences and Society, Division of Neurogeriatrics, Center for Alzheimer Research, Karolinska Institutet, Stockholm, Sweden.
Johanna MayerDepartment of Neurobiology, Care Sciences and Society, Division of Neurogeriatrics, Center for Alzheimer Research, Karolinska Institutet, Stockholm, Sweden.
Baogui ZhangBrainnetome Center, Institute of Automation, Chinese Academy of Sciences, Beijing, China.
Man LiCAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, and Department of Psychology, University of Chinese Academy of Sciences, Beijing, China.
Jiesi WangCAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, and Department of Psychology, University of Chinese Academy of Sciences, Beijing, China.
Hang LiuSchool of Pharmaceutical Sciences, IDG/McGovern Institute for Brain Research, Tsinghua University-Peking University Joint Center for Life Sciences, Tsinghua University, Beijing, China.
Ailing YangSchool of Pharmaceutical Sciences, IDG/McGovern Institute for Brain Research, Tsinghua University-Peking University Joint Center for Life Sciences, Tsinghua University, Beijing, China.
Xi ChenResearch Center for Brain-inspired Intelligence, National Laboratory of Pattern Recognition, Institute of Automation, School of Future Technology, University of CAS, and CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, China.
Jiazheng LiuResearch Center for Brain-inspired Intelligence, National Laboratory of Pattern Recognition, Institute of Automation, School of Future Technology, University of CAS, and CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, China.
Bengt WinbladDepartment of Neurobiology, Care Sciences and Society, Division of Neurogeriatrics, Center for Alzheimer Research, Karolinska Institutet, Stockholm, Sweden.ORCID http://orcid.org/0000-0002-0011-1179
Hua HanResearch Center for Brain-inspired Intelligence, National Laboratory of Pattern Recognition, Institute of Automation, School of Future Technology, University of CAS, and CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, China.ORCID http://orcid.org/0000-0003-4713-4631
Tianzi JiangBrainnetome Center, Institute of Automation, Chinese Academy of Sciences, Beijing, China.ORCID http://orcid.org/0000-0001-9531-291X
Weiwen WangCAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, and Department of Psychology, University of Chinese Academy of Sciences, Beijing, China.
Per NilssonDepartment of Neurobiology, Care Sciences and Society, Division of Neurogeriatrics, Center for Alzheimer Research, Karolinska Institutet, Stockholm, Sweden.ORCID http://orcid.org/0000-0001-6450-0870
Wei GuoSchool of Pharmaceutical Sciences, IDG/McGovern Institute for Brain Research, Tsinghua University-Peking University Joint Center for Life Sciences, Tsinghua University, Beijing, China. wguo@tsinghua.edu.cn.ORCID http://orcid.org/0000-0002-9937-7152
Bai LuSchool of Pharmaceutical Sciences, IDG/McGovern Institute for Brain Research, Tsinghua University-Peking University Joint Center for Life Sciences, Tsinghua University, Beijing, China. bai_lu@tsinghua.edu.cn.
Chinese Academy of Sciences · CNCapital Medical University · CNInstitute of Psychology, Chinese Academy of Sciences · CNKarolinska Institutet · SEJilin University · CNKarolinska University Hospital · SEPeking University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A major obstacle in Alzheimer's disease (AD) research is the lack of predictive and translatable animal models that reflect disease progression and drug efficacy. Transgenic mice overexpressing amyloid precursor protein (App) gene manifest non-physiological and ectopic expression of APP and its fragments in the brain, which is not observed in AD patients. The App knock-in mice circumvented some of these problems, but they do not exhibit tau pathology and neuronal death. We have generated a rat model, with three familiar App mutations and humanized Aβ sequence knocked into the rat App gene. Without altering the levels of full-length APP and other APP fragments, this model exhibits pathologies and disease progression resembling those in human patients: deposit of Aβ plaques in relevant brain regions, microglia activation and gliosis, progressive synaptic degeneration and AD-relevant cognitive deficits. Interestingly, we have observed tau pathology, neuronal apoptosis and necroptosis and brain atrophy, phenotypes rarely seen in other APP models. This App knock-in rat model may serve as a useful tool for AD research, identifying new drug targets and biomarkers, and testing therapeutics.

Indexed as

Alzheimer DiseaseCognitive DysfunctionAmyloid beta-PeptidesAmyloid beta-Protein PrecursorAnimalsDisease Models, AnimalDisease ProgressionHumansMiceMice, TransgenicRatsAmyloid beta-PeptidesAmyloid beta-Protein Precursor

Identifiers

PMID34789895
PMCPMC8807612
OpenAlexW3211432329

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Registered trials

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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.