In the past 20 years, myostatin, a negative regulator of muscle mass, has attracted attention as a potential therapeutic target in muscular dystrophies and other conditions. Preclinical studies have shown potential for increasing muscular mass and ameliorating the pathological features of dystrophic muscle by the inhibition of myostatin in various ways. However, hardly any clinical trials have proven to translate the promising results from the animal models into patient populations. We present the background for myostatin regulation, clinical and preclinical results and discuss why translation from animal models to patients is difficult. Based on this, we put the clinical relevance of future antimyostatin treatment into perspective.
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http://dx.doi.org/10.3390/cells10030533 | DOI Listing |
Int J Mol Sci
September 2024
Biohaven Pharmaceuticals Inc., New Haven, CT 06510, USA.
Spinal muscular atrophy (SMA) is a rare, genetic neurodegenerative disorder caused by insufficient production of survival motor neuron (SMN) protein. Diminished SMN protein levels lead to motor neuron loss, causing muscle atrophy and weakness that impairs daily functioning and reduces quality of life. SMN upregulators offer clinical improvements and increased survival in SMA patients, although significant unmet needs remain.
View Article and Find Full Text PDFEur J Pharm Biopharm
October 2024
Institute for Pharmacy and Food Chemistry, University of Würzburg, Am Hubland, Würzburg 97074, Germany; Helmholtz-Institute for RNA-based Infection Research (HIRI), Würzburg 97070, Germany. Electronic address:
Nature realizes protein and peptide depots by catalyzing covalent bonds with the extracellular matrix (ECM) of tissues. We are translating this natural blueprint for the sustained delivery of a myostatin-inhibiting peptide (Anti-Myo), resulting in an enzyme depot established from injectable solutions. For that, we fused Anti-Myo to the D-domain of insulin-like growth factor I, a transglutaminase (TG) substrate.
View Article and Find Full Text PDFNeurol Ther
February 2024
F. Hoffmann-La Roche Ltd, Basel, Switzerland.
Introduction: Duchenne muscular dystrophy (DMD) is a genetic muscle disorder that manifests during early childhood and is ultimately fatal. Recently approved treatments targeting the genetic cause of DMD are limited to specific subpopulations of patients, highlighting the need for therapies with wider applications. Pharmacologic inhibition of myostatin, an endogenous inhibitor of muscle growth produced almost exclusively in skeletal muscle, has been shown to increase muscle mass in several species, including humans.
View Article and Find Full Text PDFAm J Physiol Heart Circ Physiol
July 2023
Department of Cardiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
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