Evidence map›Paper›PMID 26214522›Full record

ArticleThe Journal of clinical investigation2015

PTP1B inhibition suggests a therapeutic strategy for Rett syndrome.

Navasona Krishnan, Keerthi Krishnan, Christopher R Connors, Meng S Choy, Rebecca Page, Wolfgang Peti, Linda Van Aelst, Stephen D Shea, Nicholas K Tonks

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of clinical investigation, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 60 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
60citing papers in PubMed, 1 pooled it
4.4field-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

60 citing papers in PubMed, 1 synthesis or guideline pooled it, 114 citations in OpenAlex.

  1. Pooled it
  2. Article
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  5. Article
  6. PTP1B inhibition promotes microglial phagocytosis in Alzheimer's disease models by enhancing SYK signaling.Proceedings of the National Academy of Sciences of the United States of America · 2026
    Article
  7. Review
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  11. Exploring the Antidiabetic Potential ofPlants (Basel, Switzerland) · 2024
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

9 authors at 2 institutions in 1 country.

Navasona Krishnan
Keerthi Krishnan
Christopher R Connors
Meng S Choy
Rebecca Page
Wolfgang Peti
Linda Van Aelst
Stephen D Shea
Nicholas K Tonks
Cold Spring Harbor Laboratory · USBrown University · US

Funding

Single-Cell Biology Shared ResourceP30CA045508 · NCI · COLD SPRING HARBOR LABORATORY · PI John Edward Moses · 1987 to 2026
$118.9M
PROTEIN TYROSINE DEPHOSPHORYLATION &SIGNAL TRANSDUCTIONR01CA053840 · NCI · COLD SPRING HARBOR LABORATORY · PI TONKS, NICHOLAS K · 1991 to 2025
$11.8M
Receptor PTPs, Cell Contract and Signal TransductionR01GM055989 · NIGMS · COLD SPRING HARBOR LABORATORY · PI TONKS, NICHOLAS K · 1997 to 2018
$6.7M
Protein Tyrosine Dephosphorylation &signal TransductionR37CA053840 · NCI · COLD SPRING HARBOR LABORATORY · PI TONKS, NICHOLAS K · 2001 to 2008
$5.2M
DOCK7 Signaling in Neuronal DevelopmentR01MH082808 · NIMH · COLD SPRING HARBOR LABORATORY · PI VAN AELST, LINDA · 2008 to 2017
$4.7M
Rho regulator-mediated signaling in interneuron developmentR01NS082266 · NINDS · COLD SPRING HARBOR LABORATORY · PI VAN AELST, LINDA · 2013 to 2017
$2.4M
NCI NIH HHS CA45508NCI NIH HHS CA53840NCI NIH HHS P30 CA045508NCI NIH HHS R01 CA053840NCI NIH HHS R37 CA053840NIGMS NIH HHS GM55989NIGMS NIH HHS R01 GM055989NIMH NIH HHS MH082808NIMH NIH HHS R01 MH082808NINDS NIH HHS R01 NS082266
6 · The paper itself

Abstract

The X-linked neurological disorder Rett syndrome (RTT) presents with autistic features and is caused primarily by mutations in a transcriptional regulator, methyl CpG-binding protein 2 (MECP2). Current treatment options for RTT are limited to alleviating some neurological symptoms; hence, more effective therapeutic strategies are needed. We identified the protein tyrosine phosphatase PTP1B as a therapeutic candidate for treatment of RTT. We demonstrated that the PTPN1 gene, which encodes PTP1B, was a target of MECP2 and that disruption of MECP2 function was associated with increased levels of PTP1B in RTT models. Pharmacological inhibition of PTP1B ameliorated the effects of MECP2 disruption in mouse models of RTT, including improved survival in young male (Mecp2-/y) mice and improved behavior in female heterozygous (Mecp2-/+) mice. We demonstrated that PTP1B was a negative regulator of tyrosine phosphorylation of the tyrosine kinase TRKB, the receptor for brain-derived neurotrophic factor (BDNF). Therefore, the elevated PTP1B that accompanies disruption of MECP2 function in RTT represents a barrier to BDNF signaling. Inhibition of PTP1B led to increased tyrosine phosphorylation of TRKB in the brain, which would augment BDNF signaling. This study presents PTP1B as a mechanism-based therapeutic target for RTT, validating a unique strategy for treating the disease by modifying signal transduction pathways with small-molecule drugs.

Indexed as

AnimalsBrain-Derived Neurotrophic FactorDisease Models, AnimalEnzyme InhibitorsFemaleMaleMethyl-CpG-Binding Protein 2MiceMice, Inbred CBAMice, Mutant StrainsPhosphorylationProtein Tyrosine Phosphatase, Non-Receptor Type 1Receptor, trkBRett SyndromeSignal TransductionBrain-Derived Neurotrophic FactorEnzyme InhibitorsMecp2 protein, mouseMethyl-CpG-Binding Protein 2Protein Tyrosine Phosphatase, Non-Receptor Type 1Ptpn1 protein, mouseReceptor, trkB

Identifiers

PMID26214522
PMCPMC4563751
OpenAlexW2127922280

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.