Evidence map›Paper›PMID 28325301›Full record

ArticleMolecular therapy. Nucleic acids2017

Increased Expression of Laminin Subunit Alpha 1 Chain by dCas9-VP160.

Arnaud Perrin, Joël Rousseau, Jacques P Tremblay

Open access · goldAbstract read
In one paragraph

Article in Molecular therapy. Nucleic acids, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed, 1 pooled it
3.3field-weighted citation impact, top 8% 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

22 citing papers in PubMed, 1 synthesis or guideline pooled it, 40 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Article
  4. On RNA-programmable gene modulation as a versatile set of principles targeting muscular dystrophies.Molecular therapy : the journal of the American Society of Gene Therapy · 2024
    Review
  5. Review
  6. Article
  7. CRISPR/Cas9 therapeutics: progress and prospects.Signal transduction and targeted therapy · 2023
    Review
  8. Advances in CRISPR therapeutics.Nature reviews. Nephrology · 2023
    Review
  9. Article
  10. CRISPR technologies for the treatment of Duchenne muscular dystrophy.Molecular therapy : the journal of the American Society of Gene Therapy · 2021
    Review
  11. Review
  12. Review
  13. Article
  14. Article
  15. Review
  16. Article
  17. Article
  18. Article
  19. Laminin-deficient muscular dystrophy: Molecular pathogenesis and structural repair strategies.Matrix biology : journal of the International Society for Matrix Biology · 2018
    Review
  20. [A review of gene therapy for Duchenne muscular dystrophy].Zhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics · 2018
    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.

Arnaud PerrinUnité de Génétique humaine, Axe Neurosciences, Centre de Recherche du Centre Hospitalier Universitaire de Québec-Université Laval, 2705 Boulevard Laurier, QC G1V4G2, Canada; Department of Molecular Medicine, Faculty of Medicine, Laval University, QC G1V0A6, Canada.
Joël RousseauUnité de Génétique humaine, Axe Neurosciences, Centre de Recherche du Centre Hospitalier Universitaire de Québec-Université Laval, 2705 Boulevard Laurier, QC G1V4G2, Canada; Department of Molecular Medicine, Faculty of Medicine, Laval University, QC G1V0A6, Canada.
Jacques P TremblayUnité de Génétique humaine, Axe Neurosciences, Centre de Recherche du Centre Hospitalier Universitaire de Québec-Université Laval, 2705 Boulevard Laurier, QC G1V4G2, Canada; Department of Molecular Medicine, Faculty of Medicine, Laval University, QC G1V0A6, Canada. Electronic address: jacques-p.tremblay@crchul.ulaval.ca.
Centre hospitalier universitaire de Québec · CAUniversité Laval · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Laminin-111 protein complex links the extracellular matrix to integrin α7β1 in sarcolemma, thus replacing in dystrophic muscles links normally insured by the dystrophin complex. Laminin-111 injection in mdx mouse stabilized sarcolemma, restored serum creatine kinase to wild-type levels, and protected muscles from exercised-induced damages. These results suggested that increased laminin-111 is a potential therapy for DMD. Laminin subunit beta 1 and laminin subunit gamma 1 are expressed in adult human muscle, but laminin subunit alpha 1 (LAMA1) gene is expressed only during embryogenesis. We thus developed an alternative method to laminin-111 protein repeated administration by inducing expression of the endogenous mouse Lama1 gene. This was done with the CRSPR/Cas9 system, i.e., by targeting the Lama1 promoter with one or several gRNAs and a dCas9 coupled with the VP160 transcription activation domain. Lama1 mRNA (qRT-PCR) and proteins (immunohistochemistry and western blot) were not detected in the control C2C12 myoblasts and in control muscles. However, significant expression was observed in cells transfected and in mouse muscles electroporated with plasmids coding for dCas9-VP160 and a gRNA. Larger synergic increases were observed by using two or three gRNAs. The increased Lama1 expression did not modify the expression of the α7 and β1 integrins. Increased expression of Lama1 by the CRISPR/Cas9 system will have to be further investigated by systemic delivery of the CRISPR/Cas9 components to verify whether this could be a treatment for several myopathies.

Indexed as

CRISPR/Cas9dCas9-VP160DMDDuchenne muscular dystrophyinduction of transcriptionlaminin-111transcriptiontranscription factor

Identifiers

PMID28325301
PMCPMC5363410
OpenAlexW2565581989

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.