Evidence map›Paper›PMID 30753434›Full record

ArticleHuman molecular genetics2019

Cross-species genetic screens to identify kinase targets for APP reduction in Alzheimer's disease.

Claudia H Huichalaf, Ismael Al-Ramahi, Kyung-Won Park, Stacy D Grunke, Nan Lu, Maria de Haro, Karla El-Zein, Tatiana Gallego-Flores, Alma M Perez, Sung Yun Jung and 3 more

Open access · greenAbstract read
In one paragraph

Article in Human molecular genetics, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
0.4field-weighted citation impact, top 39% 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

6 citing papers in PubMed, 7 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. Article
  5. Article
  6. 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

13 authors at 3 institutions in 1 country.

Claudia H HuichalafDepartment of Neuroscience.
Ismael Al-RamahiDepartment of Molecular and Human Genetics.
Kyung-Won ParkDepartment of Neuroscience.
Stacy D GrunkeDepartment of Neuroscience.
Nan LuDepartment of Molecular and Human Genetics.
Maria de HaroDepartment of Molecular and Human Genetics.
Karla El-ZeinDepartment of Molecular and Human Genetics.
Tatiana Gallego-FloresDepartment of Molecular and Human Genetics.
Alma M PerezDepartment of Molecular and Human Genetics.
Sung Yun JungDepartment of Biochemistry.
Juan BotasDepartment of Molecular and Human Genetics.
Huda Y ZoghbiDepartment of Neuroscience.
Joanna L JankowskyDepartment of Neuroscience.
Neurological Research Institute · USBaylor College of Medicine · USTexas Children's Hospital · US

Funding

Tumor BiologyP30CA125123 · NCI · BAYLOR COLLEGE OF MEDICINE · PI Michael M Ittmann · 2007 to 2026
$73.9M
Mutidisciplinary Training;Brain Disorders &DevelopmentT32NS043124 · NINDS · BAYLOR COLLEGE OF MEDICINE · PI SWANN, JOHN WILLIAM · 2002 to 2021
$4.6M
Deconstructing the pathogenic effect of APP in memory circuitsR01NS092615 · NINDS · BAYLOR COLLEGE OF MEDICINE · PI JANKOWSKY, JOANNA L · 2015 to 2018
$1.9M
Behavioral and cell-based complementary screens to identify druggable targets modulating tau protein levelsR21NS096395 · NINDS · BAYLOR COLLEGE OF MEDICINE · PI AL-RAMAHI, ISMAEL · 2016 to 2017
$436k
NCI NIH HHS P30 CA125123NINDS NIH HHS R01 NS092615NINDS NIH HHS R21 NS096395NINDS NIH HHS T32 NS043124
6 · The paper itself

Abstract

An early hallmark of Alzheimer's disease is the accumulation of amyloid-β (Aβ), inspiring numerous therapeutic strategies targeting this peptide. An alternative approach is to destabilize the amyloid beta precursor protein (APP) from which Aβ is derived. We interrogated innate pathways governing APP stability using a siRNA screen for modifiers whose own reduction diminished APP in human cell lines and transgenic Drosophila. As proof of principle, we validated PKCβ-a known modifier identified by the screen-in an APP transgenic mouse model. PKCβ was genetically targeted using a novel adeno-associated virus shuttle vector to deliver microRNA-adapted shRNA via intracranial injection. In vivo reduction of PKCβ initially diminished APP and delayed plaque formation. Despite persistent PKCβ suppression, the effect on APP and amyloid diminished over time. Our study advances this approach for mining druggable modifiers of disease-associated proteins, while cautioning that prolonged in vivo validation may be needed to reveal emergent limitations on efficacy.

Indexed as

Alzheimer DiseaseAmyloid beta-PeptidesAmyloid beta-Protein PrecursorAmyloidosisAnimalsBrainCell Line, TumorDisease Models, AnimalDrosophilaGenetic TestingGenetic TherapyHumansMiceMice, TransgenicNIH 3T3 CellsPhosphorylationAmyloid beta-PeptidesAmyloid beta-Protein PrecursorProtein Kinase C betaProtein KinasesRNA, Small Interfering

Identifiers

PMID30753434
PMCPMC6548227
OpenAlexW2912911406

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.