Evidence map›Paper›PMID 24157932›Full record

ArticleNeuroscience2014

MiR-7-1 potentiated estrogen receptor agonists for functional neuroprotection in VSC4.1 motoneurons.

M Chakrabarti, N L Banik, S K Ray

Abstract read
In one paragraph

Article in Neuroscience, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
1.4field-weighted citation impact, top 21% 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

16 citing papers in PubMed, 21 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Article
  6. Review
  7. Article
  8. Article
  9. Article
  10. miRNA in spinal muscular atrophy pathogenesis and therapy.Journal of cellular and molecular medicine · 2018
    Review
  11. Article
  12. Article
  13. MotomiRs: miRNAs in Motor Neuron Function and Disease.Frontiers in molecular neuroscience · 2017
    Review
  14. Article
  15. Article
  16. Review
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

3 authors at 2 institutions in 1 country.

M ChakrabartiDepartment of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine, Columbia, SC 29209, United States.
N L BanikDepartment of Neurosciences, Medical University of South Carolina, Charleston, SC 29425, United States.
S K RayDepartment of Pathology, Microbiology, and Immunology, University of South Carolina School of Medicine, Columbia, SC 29209, United States. Electronic address: swapan.ray@uscmed.sc.edu.
Medical University of South Carolina · USUniversity of South Carolina · US

Funding

Targeting early ceramide elevation in pre-symptomatic eczemaP20GM103641 · NIGMS · UNIVERSITY OF SOUTH CAROLINA AT COLUMBIA · PI NAGARKATTI, PRAKASH S · 2012 to 2023
$20.7M
Inflammation and Degeneration of Optic Nerve in EAER01NS065456 · NINDS · MEDICAL UNIVERSITY OF SOUTH CAROLINA · PI BANIK, NAREN L · 2009 to 2013
$1.6M
Hormonal Intervention Protects Axon-myelin to Promote Functional Recovery in SCII01BX001262 · VA · RALPH H JOHNSON VA MEDICAL CENTER · PI BANIK, NAREN L · 2013 to 2025
–
BLRD VA I01 BX001262NIGMS NIH HHS P20 GM103641NINDS NIH HHS R01 NS065456NINDS NIH HHS R01 NS65456
6 · The paper itself

Abstract

Protection of motoneurons is an important goal in the treatment of spinal cord injury (SCI). We tested whether neuroprotective microRNAs (miRs) like miR-206, miR-17, miR-21, miR-7-1, and miR-106a could enhance efficacy of estrogen receptor (ER) agonists such as 1,3,5-tris (4-hydroxyphenyl)-4-propyl-1H-pyrazole (PPT, ERα agonist), Way200070 (WAY, ERβ agonist), and estrogen (EST, ERα and ERβ agonist) in preventing apoptosis in the calcium ionophore (CI)-insulted ventral spinal cord 4.1 (VSC4.1) motoneurons. We determined that 200 nM CI induced 70% cell death. Treatment with 50 nM PPT, 100 nM WAY, and 150 nM EST induced overexpression of ERα, ERβ, and both receptors, respectively, at mRNA and protein levels. Treatment with ER agonists significantly upregulated miR-206, miR-17, and miR-7-1 in the CI-insulted VSC4.1 motoneurons. Transfection with miR-206, miR-17, or miR-7-1 mimic potentiated WAY or EST to inhibit apoptosis in the CI-insulted VSC4.1 motoneurons. Overexpression of miR-7-1 maximally increased efficacy of WAY and EST for down regulation of pro-apoptotic Bax and upregulation of anti-apoptotic Bcl-2. A search using microRNA database (miRDB) indicated that miR-7-1 could inhibit the expression of L-type Ca(2+) channel protein alpha 1C (CPα1C). miR-7-1 overexpression and WAY or EST treatment down regulated CPα1C but upregulated p-Akt to trigger cell survival signaling. The same therapeutic strategy increased expression of the Ca(2+)/calmodulin-dependent protein kinase II beta (CaMKIIβ) and the phosphorylated cAMP response element binding protein (p-CREB) so as to promote Bcl-2 transcription. Whole cell membrane potential and mitochondrial membrane potential studies indicated that miR-7-1 highly potentiated EST to preserve functionality in the CI-insulted VSC4.1 motoneurons. In conclusion, our data indicated that miR-7-1 most significantly potentiated efficacy of EST for functional neuroprotection and this therapeutic strategy could be used in the future to attenuate apoptosis of motoneurons in SCI.

Indexed as

AnimalsApoptosisCell LineChloridesDose-Response Relationship, DrugElectron Transport Complex IVEmbryo, MammalianEstrogensGene Expression RegulationGinsenosidesMembrane Potential, MitochondrialMembrane PotentialsMicroRNAsMotor NeuronsNeuroprostanesOxazolesChloridesElectron Transport Complex IVEstrogensginsenoside 20S-protopanaxatriolGinsenosidesMicroRNAsNeuroprostanesOxazolesPhenolsReceptors, EstrogenSapogeninsWAY 2000701,3,5-tris (4-hydroxyphenyl)-4-propyl-1H-pyrazole3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromideapoptosisCa(2+)/calmodulin-dependent protein kinase II betacalcium ionophoreCaMKIIβcAMP response element binding proteinCICOX-4CPα1CCREBcytochrome c oxidase subunit IVdimethyl sulfoxideDMEMDMSODulbecco’s Modified Eagle MediumECLenhanced chemiluminescenceER agonistsERαERβESTestrogenestrogen receptor alphaestrogen receptor betaFBSfetal bovine serumFITCfluorescein isothiocyanateGAPDHglyceraldehyde-3-phosphate dehydrogenaseHEPEShydroxyethyl piperazineethanesulfonic acidIgGImmunoglobulin GL-type Ca(2+) channel protein alpha 1CmicroRNA databasemicroRNAsmiR-7-1miRDBmiRsMTTPCRp-CREBphosphorylated cAMP response element binding proteinPIpolymerase chain reactionPPTpropidiun iodideqRT-PCRquantitative reverse transcription-polymerase chain reactionreverse transcription-polymerase chain reactionRT-PCRSBDPSCIspectrin breakdown productspinal cord injuryventral spinal cord 4.1VSC4.1VSC4.1 motoneuronsWAYWay200070

Identifiers

PMID24157932
PMCPMC4378839
OpenAlexW1983388732

What OpenQuestion holds

Textmetadata
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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.