Results 61 to 70 of about 5,284 (245)

Nemaline myopathy-related skeletal muscle α-actin (ACTA1) mutation, Asp286Gly, prevents proper strong myosin binding and triggers muscle weakness. [PDF]

open access: yesPLoS ONE, 2012
Many mutations in the skeletal muscle α-actin gene (ACTA1) lead to muscle weakness and nemaline myopathy. Despite increasing clinical and scientific interest, the molecular and cellular pathogenesis of weakness remains unclear.
Julien Ochala   +3 more
doaj   +1 more source

The dynamics of the β-propeller domain in Kelch protein KLHL40 changes upon nemaline myopathy-associated mutation [PDF]

open access: yes, 2016
Evolutionarily widespread, functionally and structurally diverse and still largely unexplored, Kelch proteins, characterized by the presence of a conserved C-terminal β-propeller, are implicated in a number of diverse fundamental biological functions ...
BORTOLOTTI, Carlo Augusto   +4 more
core   +1 more source

OXPHOS complex deficiency in congenital myopathy: A systematic review

open access: yesEuropean Journal of Clinical Investigation, Volume 55, Issue 11, November 2025.
This systematic review assessed oxidative phosphorylation (OXPHOS) complex dysfunction in genetically confirmed congenital myopathies (CM). Among 5841 studies screened, 23 publications, comprising 45 CM cases, met the inclusion criteria. OXPHOS dysfunction was identified in 78% of cases, particularly where enzymology was performed, with RYR1 most ...
Megan J. du Preez   +4 more
wiley   +1 more source

Generation of two isogenic induced pluripotent stem cell lines from a 1-month-old nemaline myopathy patient harbouring a homozygous recessive c.121C > T (p.Arg39Ter) variant in the ACTA1 gene

open access: yesStem Cell Research, 2022
Nemaline myopathy (NM) is a congenital skeletal muscle disorder that typically results in muscle weakness and the presence of rod-like structures (nemaline bodies) in the sarcoplasma and/or in the nuclei of myofibres.
Isabella S. Suleski   +12 more
doaj   +1 more source

Collagenase treatment does not impair fiber contractile function in muscle biopsies from children with cerebral palsy

open access: yesPhysiological Reports, Volume 13, Issue 21, November 2025.
Abstract Cerebral palsy (CP) often presents with increased passive stiffness of the skeletal muscles, primarily due to increased collagen in the extracellular matrix. Collagenase from Clostridium histolyticum (CCH), an enzyme that degrades collagen, is used clinically to treat fibrotic conditions such as Dupuytren's contracture and Peyronie's disease ...
Faizan Syed   +5 more
wiley   +1 more source

Congenital Nemaline Myopathy

open access: yesPediatric Neurology Briefs, 1994
A female neonate with a rapidly fatal course of nemaline myopathy is reported from the University of Siena, Italy.
J Gordon Millichap
doaj   +1 more source

Potential cytotoxicity of truncated slow skeletal muscle troponin T (ssTnT) in a loss of function TNNT1 myopathy mouse model

open access: yesThe FEBS Journal, Volume 292, Issue 20, Page 5525-5539, October 2025.
A loss of function TNNT1 myopathy mouse model with the nonsense mutation p.E180* showed potential cytotoxicity of the truncated slow troponin T fragment. The mRNA expression profile in the soleus muscle of Tnnt1‐p.E180* mice showed very different changes in comparison to that of Tnnt1‐knockout mice.
Han‐Zhong Feng   +2 more
wiley   +1 more source

Impact of hematologic complete response in the treatment of sporadic late‐onset nemaline myopathy associated with monoclonal gammopathy

open access: yesClinical Case Reports, 2021
Monoclonal gammopathy of undetermined significance (MGUS) may be associated with pathologies with severe neuromuscular manifestations such as sporadic late‐onset nemaline myopathy (SLONM).
Tânia Maia   +4 more
doaj   +1 more source

Nebulette knockout mice have normal cardiac function, but show Z-line widening and up-regulation of cardiac stress markers [PDF]

open access: yes, 2015
Aims: Nebulette is a 109 kDa modular protein localized in the sarcomeric Z-line of the heart. In vitro studies have suggested a role of nebulette in stabilizing the thin filament, and missense mutations in the nebulette gene were recently shown to be ...
Bang, Marie-Louise   +12 more
core   +2 more sources

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