Stem Cell-Based Regenerative Tissue Engineering

Stem cell-based regenerative tissue engineering integrates the inherent self-renewal and differentiation capabilities of pluripotent and multipotent stem cells with advanced biomaterial scaffolds and molecular cues to repair or replace damaged tissues. Embryonic stem cells, induced pluripotent stem cells and adult mesenchymal stem cells serve as key cell sources capable of giving rise to bone, cartilage, muscle, nerve and vascular cells. Engineered scaffolds—ranging from hydrogels and synthetic polymers to decellularised extracellular matrices—provide three-dimensional frameworks that mimic native tissue architecture, regulate mechanical forces and present biochemical signals. Techniques such as three-dimensional bioprinting allow precise spatial arrangement of cells and materials, while controlled release systems deliver growth factors or chemokines to guide cell homing and differentiation either ex vivo or directly in situ. Although clinical translation faces challenges in vascular integration, immune compatibility and large-scale manufacturing, preclinical studies have demonstrated functional tissue restoration in orthopaedic, cardiovascular and neuromuscular applications. By harnessing stem cell biology, materials science and developmental engineering, this field is paving the way towards personalised, functional regeneration with far-reaching global impact.

Research from Nature Portfolio

Recent studies have engineered extracellular matrix scaffolds with parallel microchannels to recreate native tissue niches and direct host cell behaviour. These decellularised constructs, produced via sacrificial template implantation, combine hierarchical porosity with biocompatible cues to enhance cell infiltration, vascularisation and spatial organisation. In vivo experiments have demonstrated the regeneration of oriented neo-muscle, neo-nerve and pulsatile neo-artery with functional integration, illustrating a seminal advance in instructive biomaterials that recruit endogenous stem cells and promote organised tissue morphogenesis.

Stem Cell-Based Regenerative Tissue Engineering publication trend

The graph below shows the total number of articles in stem cell-based regenerative tissue engineering across all publications each year (not limited to Nature Index journals).

Technical terms

Mesenchymal stem cells (MSCs): Multipotent adult stem cells capable of differentiation into bone, cartilage, fat and other lineages.

Extracellular matrix (ECM) scaffold: A decellularised or synthetic three-dimensional framework that replicates native tissue architecture and biochemical cues.

3D bioprinting: A layer-by-layer fabrication technology enabling precise placement of cells and biomaterials to form complex tissue constructs.

In situ regeneration: A therapeutic approach that recruits and instructs the body’s own stem cells to repair tissue directly at the injury site.

Hydrogel: A water-rich polymer network used to encapsulate cells or deliver bioactive molecules while providing a supportive matrix.

Chemokine: A signalling protein that directs cell migration, exemplified in tissue engineering by stromal cell-derived factor-1 (SDF-1).

References

1. In vivo engineered extracellular matrix scaffolds with instructive niches for oriented tissue regeneration. Nature Communications (2019).
2. 3D-printed PCL@BG scaffold integrated with SDF-1α-loaded hydrogel for enhancing local treatment of bone defects. Journal of Biological Engineering (2024).
3. LIPUS-S/B@NPs regulates the release of SDF-1 and BMP-2 to promote stem cell recruitment-osteogenesis for periodontal bone regeneration. Frontiers in Bioengineering and Biotechnology (2023).