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NEW YORK DAWN™ > Blog > Health > New insights into protein roles in Duchenne muscular dystrophy
New insights into protein roles in Duchenne muscular dystrophy
Health

New insights into protein roles in Duchenne muscular dystrophy

Last updated: January 2, 2025 9:55 am
Editorial Board Published January 2, 2025
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Credit score: Journal of Organic Chemistry (2024). DOI: 10.1016/j.jbc.2024.108002

A brand new research has make clear the advanced interactions between dystrophin, a protein vital to muscle stability, and its accomplice protein, dystrobrevin, providing new pathways for understanding and treating Duchenne Muscular Dystrophy (DMD).

Revealed within the December problem of the Journal of Organic Chemistry, researchers characterize the mysterious C-terminal (CT) area of dystrophin and its position in stabilizing mobile membranes throughout numerous tissues.

DMD, a extreme genetic dysfunction that causes muscle weak spot and shortens lifespans, arises from mutations within the gene encoding dystrophin. Whereas present therapies can prolong sufferers’ lifespans, their excessive value and restricted efficacy underscore the pressing want for broader therapeutic approaches.

“This research highlights the intricate dynamics of dystrophin and dystrobrevin interactions, providing critical insights that could inform future treatment development,” stated Krishna Mallela, professor of pharmaceutical sciences on the College of Colorado Skaggs Faculty of Pharmacy and Pharmaceutical Sciences and research lead writer. “By understanding how these proteins function differently in various tissues, we’re one step closer to designing treatments that target the root causes of DMD.”

The research reveals that dystrophin’s CT area interacts in another way with the 2 main dystrobrevin isoforms, which bind to dystrophin. Variations within the amino acid composition of dystrobrevin proteins drive variations in binding affinity and interplay modes, influencing the soundness of the dystrophin-associated protein advanced throughout tissues, a key indication of DMD.

These findings supply a molecular clarification for the wide-ranging signs skilled by DMD sufferers, which prolong past skeletal muscular tissues to have an effect on organs resembling the guts and mind.

“This discovery is exceptional in advancing DMD care because, while there have been advancements in therapies, they have been approved in desperation. We need to get to the root of things to really hone in on effective treatments,” says Mallela. “Much like a car engine, how can you fix a car without understanding how the car engine functions?”

Extra info:
Vaibhav Upadhyay et al, Biophysical characterization of the dystrophin C-terminal area: Dystrophin interacts differentially with dystrobrevin isoforms, Journal of Organic Chemistry (2024). DOI: 10.1016/j.jbc.2024.108002

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CU Anschutz Medical Campus

Quotation:
New insights into protein roles in Duchenne muscular dystrophy (2025, January 2)
retrieved 2 January 2025
from https://medicalxpress.com/information/2025-01-insights-protein-roles-duchenne-muscular.html

This doc is topic to copyright. Other than any truthful dealing for the aim of personal research or analysis, no
half could also be reproduced with out the written permission. The content material is supplied for info functions solely.

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