Laminin-111 protein therapy enhances muscle regeneration and repair in the GRMD dog model of Duchenne muscular dystrophy.

Abstract:

:Duchenne muscular dystrophy (DMD) is a devastating X-linked disease affecting ~1 in 5000 males. DMD patients exhibit progressive muscle degeneration and weakness, leading to loss of ambulation and premature death from cardiopulmonary failure. We previously reported that mouse Laminin-111 (msLam-111) protein could reduce muscle pathology and improve muscle function in the mdx mouse model for DMD. In this study, we examined the ability of msLam-111 to prevent muscle disease progression in the golden retriever muscular dystrophy (GRMD) dog model of DMD. The msLam-111 protein was injected into the cranial tibial muscle compartment of GRMD dogs and muscle strength and pathology were assessed. The results showed that msLam-111 treatment increased muscle fiber regeneration and repair with improved muscle strength and reduced muscle fibrosis in the GRMD model. Together, these findings support the idea that Laminin-111 could serve as a novel protein therapy for the treatment of DMD.

journal_name

Hum Mol Genet

journal_title

Human molecular genetics

authors

Barraza-Flores P,Fontelonga TM,Wuebbles RD,Hermann HJ,Nunes AM,Kornegay JN,Burkin DJ

doi

10.1093/hmg/ddz086

subject

Has Abstract

pub_date

2019-08-15 00:00:00

pages

2686-2695

issue

16

eissn

0964-6906

issn

1460-2083

pii

5479258

journal_volume

28

pub_type

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