Evidence map›Paper›PMID 33567524›Full record

ArticleInternational journal of molecular sciences2021

Protein Expression of Angiotensin-Converting Enzyme 2 (ACE2) is Upregulated in Brains with Alzheimer's Disease.

Qiyue Ding, Nataliia V Shults, Sergiy G Gychka, Brent T Harris, Yuichiro J Suzuki

Open access · goldAbstract read
In one paragraph

Article in International journal of molecular sciences, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 74 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
74citing papers in PubMed, 1 pooled it
9.7field-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

74 citing papers in PubMed, 1 synthesis or guideline pooled it, 99 citations in OpenAlex.

  1. Pooled it
  2. Review
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  6. Review
  7. ACE2: Friend or Foe in Post-COVID-19 Neurodegeneration?International journal of molecular sciences · 2025
    Review
  8. Article
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  18. mFrontiers in cell and developmental biology · 2024
    Review
  19. Article
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14 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

5 authors at 2 institutions in 2 countries.

Qiyue DingDepartment of Pharmacology and Physiology, Georgetown University Medical Center, Washington, DC 20007, USA.
Nataliia V ShultsDepartment of Pharmacology and Physiology, Georgetown University Medical Center, Washington, DC 20007, USA.
Sergiy G GychkaDepartment of Pathological Anatomy N2, Bogomolets National Medical University, 01601 Kiev, Ukraine.
Brent T HarrisDepartments of Neurology and Pathology, Georgetown University Medical Center, Washington, DC 20007, USA.
Yuichiro J SuzukiDepartment of Pharmacology and Physiology, Georgetown University Medical Center, Washington, DC 20007, USA.ORCID 0000-0001-6689-0497
Georgetown University · USBogomolets National Medical University · UA

Funding

Mechanism of apoptosis in lung vascular smooth muscleR01HL072844 · NHLBI · TUFTS UNIVERSITY BOSTON · PI SUZUKI, YUICHIRO JUSTIN · 2003 to 2017
$3.3M
New mechanism of cellular protein oxidationR21AI142649 · NIAID · GEORGETOWN UNIVERSITY · PI SUZUKI, YUICHIRO JUSTIN · 2019 to 2020
$428k
Oxidant-mediated amino acid conversions in alcohol abuseR03AA026516 · NIAAA · GEORGETOWN UNIVERSITY · PI SUZUKI, YUICHIRO JUSTIN · 2019 to 2020
$156k
Endogenous protein engineering mechanismof oxidative stress in Alzheimer's diseaseR03AG059554 · NIA · GEORGETOWN UNIVERSITY · PI SUZUKI, YUICHIRO JUSTIN · 2018 to 2019
$156k
NHLBI NIH HHS R01 HL072844NIAAA NIH HHS R03 AA026516NIAID NIH HHS R21 AI142649NIA NIH HHS R03 AG059554NIH HHS R01HL072844, R21AI142649, R03AG059554, and R03AA026516
6 · The paper itself

Abstract

Alzheimer's disease is a chronic neurodegenerative disorder and represents the main cause of dementia globally. Currently, the world is suffering from the coronavirus disease 2019 (COVID-19) pandemic, caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), a virus that uses angiotensin-converting enzyme 2 (ACE2) as a receptor to enter the host cells. In COVID-19, neurological manifestations have been reported to occur. The present study demonstrates that the protein expression level of ACE2 is upregulated in the brain of patients with Alzheimer's disease. The increased ACE2 expression is not age-dependent, suggesting the direct relationship between Alzheimer's disease and ACE2 expression. Oxidative stress has been implicated in the pathogenesis of Alzheimer's disease, and brains with the disease examined in this study also exhibited higher carbonylated proteins, as well as an increased thiol oxidation state of peroxiredoxin 6 (Prx6). A moderate positive correlation was found between the increased ACE2 protein expression and oxidative stress in brains with Alzheimer's disease. In summary, the present study reveals the relationships between Alzheimer's disease and ACE2, the receptor for SARS-CoV-2. These results suggest the importance of carefully monitoring patients with both Alzheimer's disease and COVID-19 in order to identify higher viral loads in the brain and long-term adverse neurological consequences.

Indexed as

PandemicsUp-RegulationAlzheimer DiseaseAmyloid beta-PeptidesAngiotensin-Converting Enzyme 2AutopsyCOVID-19HippocampusHumansOxidation-ReductionOxidative StressPeroxiredoxin VIPlaque, AmyloidProtein CarbonylationReceptors, VirusSARS-CoV-2ACE2 protein, humanAmyloid beta-PeptidesAngiotensin-Converting Enzyme 2Peroxiredoxin VIPRDX6 protein, humanReceptors, VirusACE2Alzheimer’s diseaseangiotensin-converting enzyme 2braincoronavirusCOVID-19oxidative stress

Identifiers

PMID33567524
PMCPMC7914443
OpenAlexW3127885070

What OpenQuestion 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 OpenQuestion graph.