5/5 π Why It Matters:
First evidence of TA in humans! This work rethinks DMD treatment, showing mRNA decay itself can drive genetic compensation. Kudos to 1st Lara!
@DouglasAdamoski
@TJ_ThomasJuan
& team!
@MPI_HLR
π #RareDisease
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4/5 π₯ Therapeutic Implications:
This TA mechanism opens new avenues: ASOs/ribozymes could enhance utrophin to compensate for dystrophin. Surprisingly, current exon-skipping therapies (e.g., eteplirsen) might reduce utrophin. #DrugDevelopment
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3/5 π‘ Key Experiments:
Splice-switching ASOs skipped exons, creating PTCs and raising utrophin levels.
Restoring the reading frame in patient cells reduced utrophin, showing TAβs role.
Self-cleaving ribozymes in minigenes also triggered utrophin. #ASO #RNA
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2/5 π§ͺ How does it work?
By introducing premature stop codons (PTCs) in DMD mRNA, we induced mRNA decay via nonsense-mediated decay (NMD). This decay signals cells to boost UTRN (utrophin) transcription. Blocking NMD reversed utrophin upregulation! #GeneTherapy #CRISPR
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1/? 𧬠New Breakthrough in Duchenne Muscular Dystrophy (DMD)!
Our new paper in
@Nature
reveals how utrophinβa dystrophin βbackupββis upregulated in DMD. The key? Transcriptional adaptation (TA), triggered by mutant mRNA decay, not protein loss.
[π Link: www.nature.com/articles/s41...
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Focused on innate immune mechanisms governing pathogenesis of disease and on NK-cell based therapies for disease. Opinions expressed are Dr. Waggoner's alone and not on behalf of lab staff or employer.
DPhil student in the Mommersteeg Group #cavefish #heartregeneration @UniofOxford | alum @ElitasLab @sabanciuni
I love/ teach chemistry ππ§ͺπ«
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Biologist, PhD student in MPI-HLR, zebrafish cardiac regeneration
PhD candidate | Stainier lab | working on cardiac development in zebrafish
Postdoctoral Researcher | @StainierLab| @mpi_hlr
Postdoc in Stainier Lab @ Max Planck Institute Bad Nauheim - gene expression regulation during embryogenesis - transcription and translation imaging in living embryos
Drosophila/zebrafish
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