The growth and formation of tissues, such as skeletal muscle, involve a complex interplay of spatiotemporal events, including cell migration, orientation, proliferation, and differentiation. With the continuous advancement of in vitro construction techniques, many studies have contributed to skeletal muscle tissue engineering (STME). This review summarizes recent advances in the ordered construction of skeletal muscle tissues, and evaluates the impact of engineering strategies on cell behavior and maturation, including biomaterials, manufacturing methods and training means. Biomaterials are used as scaffolds to provide a good microenvironment for myoblasts, manufacturing methods to guide the alignment of myoblasts through construction techniques, and external stimulation to further promote the myoblast orientation and maturation after construction, resulting in oriented and functional skeletal muscle tissues. Finally, future perspectives are proposed to provide guidance for rational design based on engineering strategies in STME.
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http://dx.doi.org/10.1088/1758-5090/adbfc2 | DOI Listing |
Diabetes Metab J
March 2025
Department of Endocrinology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
Biofabrication
March 2025
Institute of Zoology Chinese Academy of Sciences, Beichen West Road, Chaoyang District, Beijing 100101, P.R.China, Chaoyang District, 100101, CHINA.
The growth and formation of tissues, such as skeletal muscle, involve a complex interplay of spatiotemporal events, including cell migration, orientation, proliferation, and differentiation. With the continuous advancement of in vitro construction techniques, many studies have contributed to skeletal muscle tissue engineering (STME). This review summarizes recent advances in the ordered construction of skeletal muscle tissues, and evaluates the impact of engineering strategies on cell behavior and maturation, including biomaterials, manufacturing methods and training means.
View Article and Find Full Text PDFJ Osteopath Med
March 2025
Wood College of Osteopathic Medicine, Marian University, Indianapolis, IN, USA.
Context: Sarcopenia is a disease characterized by low muscle mass and function that places individuals at greater risk of disability, loss of independence, and death. Current therapies include addressing underlying performance issues, resistance training, and/or nutritional strategies. However, these approaches have significant limitations, and chronic inflammation associated with sarcopenia may blunt the anabolic response to exercise and nutrition.
View Article and Find Full Text PDFSci Robot
March 2025
NeuroX Institute and Brain Mind Institute, School of Life Sciences, Swiss Federal Institute of Technology (EPFL), Lausanne, Switzerland.
Rehabilitation robotics aims to promote activity-dependent reorganization of the nervous system. However, people with paralysis cannot generate sufficient activity during robot-assisted rehabilitation and, consequently, do not benefit from these therapies. Here, we developed an implantable spinal cord neuroprosthesis operating in a closed loop to promote robust activity during walking and cycling assisted by robotic devices.
View Article and Find Full Text PDFProc Natl Acad Sci U S A
March 2025
Randall Centre for Cell and Molecular Biophysics and British Heart Foundation Centre of Research Excellence, New Hunt's House, Guy's Campus, King's College London, London SE1 1UL, United Kingdom.
Muscle contraction is driven by myosin motors from the thick filaments pulling on the actin-containing thin filaments of the sarcomere, and it is regulated by structural changes in both filaments. Thin filaments are activated by an increase in intracellular calcium concentration [Ca] and by myosin binding to actin. Thick filaments are activated by direct sensing of the filament load.
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