Advancements in Tissue-Engineered Muscle

A special issue of Bioengineering (ISSN 2306-5354). This special issue belongs to the section "Biomedical Engineering and Biomaterials".

Deadline for manuscript submissions: 30 April 2025 | Viewed by 1323

Special Issue Editor


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Guest Editor
Institute of Structural Mechanics and Dynamics in Aerospace Engineering, Aerospace Engineering and Geodesy, University of Stuttgart, Stuttgart, Germany
Interests: skeletal muscle mechanics; musculoskeletal tissue biomechanics; in vivo muscle behavior; soft tissue mechanics; neuromuscular diseases; orthopedic biomechanics; human movement; rehabilitation

Special Issue Information

Dear Colleagues,

Muscle tissue, a specialized, activatable material crucial for facilitating a broad range of voluntary movements from delicate facial expressions to vigorous activities like running, poses a unique challenge in tissue engineering. Derived from myoblasts, multinucleated muscle cells form well-organized fibers within a three-dimensional extracellular matrix (ECM), shaping skeletal muscle to meet diverse functional needs. Hence, engineering muscle tissues and mimicking their structural, functional, and mechanical properties present significant challenges.  

Given these complexities, muscle tissue engineering holds promise in revolutionizing various fields, including regenerative medicine, bioengineering, and biomedical research. The ability to engineer functional muscle tissues opens avenues for disease modeling, drug screening, and tissue repair. This Special Issue aims to showcase the latest research breakthroughs and innovative approaches in this field.

We invite contributions that address various aspects, including but not limited to (i) scaffold design, (ii) cell sources and differentiation protocols, (iii) biophysical and biochemical cues such as mechanical loading, substrate stiffness, and biochemical signaling that guide muscle tissue development and regeneration, (iv) functional characterization and methodological advancements for assessing contractility and metabolic activity, and (v) clinical applications and translational studies in regenerative medicine applications, tissue repair, disease modeling, and biohybrid robotic systems. Contributions from diverse backgrounds, including bioengineering, biotechnology, tissue engineering, regenerative medicine, and biomedical sciences are requested in the form of original research articles, reviews, and perspectives on this Special Issue.

By bringing together cutting-edge research, we aim to foster interdisciplinary approaches and accelerate progress in muscle tissue engineering.

Dr. Filiz Ates
Guest Editor

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Keywords

  • skeletal muscle
  • tissue engineering
  • biomaterial scaffolds
  • contractile force
  • myoblasts
  • satellite cells
  • stem cells
  • volumetric muscle loss
  • muscle regeneration
  • myogenic differentiation
  • vascularization
  • organ-on-chip
  • nanofibers
  • 3D printing

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Published Papers (1 paper)

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17 pages, 2886 KiB  
Article
Temporal Tissue Remodeling in Volumetric Muscle Injury with Endothelial Cell-Laden Patterned Nanofibrillar Constructs
by Krista M. Habing, Cynthia A. Alcazar, Nathaniel Dobson, Yong How Tan, Ngan F. Huang and Karina H. Nakayama
Bioengineering 2024, 11(12), 1269; https://doi.org/10.3390/bioengineering11121269 - 14 Dec 2024
Viewed by 860
Abstract
A primary challenge following severe musculoskeletal trauma is incomplete muscle regeneration. Current therapies often fail to heal damaged muscle due to dysregulated healing programs and insufficient revascularization early in the repair process. There is a limited understanding of the temporal changes that occur [...] Read more.
A primary challenge following severe musculoskeletal trauma is incomplete muscle regeneration. Current therapies often fail to heal damaged muscle due to dysregulated healing programs and insufficient revascularization early in the repair process. There is a limited understanding of the temporal changes that occur during the early stages of muscle remodeling in response to engineered therapies. Previous work demonstrated that nanotopographically patterned scaffolds provide cytoskeletal guidance and direct endothelial angiogenic and anti-inflammatory phenotypes. The aim of this study was to evaluate how endothelial cell (EC) patterning guides temporal and histomorphological muscle remodeling after muscle injury. In the current study, mice were treated with EC-laden engineered constructs that exhibited either aligned or random patterning of collagen nanofibrils, following a volumetric muscle loss injury (VML). Remodeling was evaluated at 2, 7, and 21 days post injury. Over the 21-day study, all groups (Acellular Aligned, EC Aligned, EC Random) demonstrated similar significant increases in vascular density and myogenesis. Animals treated with acellular controls demonstrated a two-fold decrease in muscle cross-sectional area between days 2 and 21 post injury, consistent with VML-induced muscle atrophy; however, animals treated with patterned EC-laden constructs exhibited preservation of muscle mass. The implantation of an EC-laden construct led to a 50% increase in the number of animals exhibiting areas of fibrous remodeling adjacent to the construct, along with greater collagen deposition (p < 0.01) compared to acellular controls 21 days post injury. These findings suggest that nanotopographically patterned EC-laden constructs may guide early muscle-protective programs that support muscle mass retention through myo-vascular independent pathways. Full article
(This article belongs to the Special Issue Advancements in Tissue-Engineered Muscle)
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