Tissue engineering, which involves the use of therapeutic biologicals supported by implantable materials, represents a promising tool to repair damaged tissues or organs. Among the most proper supporting materials and scaffolds, natural extracellular matrix (ECM) constitutes a dynamic platform of structural and functional fibers and biomolecules that confers a suitable microenvironment for cell attachment, proliferation and differentiation via activation of host signaling cues. In this context, ECM derived from human pericardium emerges as a supportive porous biomaterial to regenerate post-infarcted myocardium. In specific, pericardial ECM highlights as a potential clinical option for administering those active components grown and purified from large-scale cell cultures, such as mesenchymal stromal cells and derived extracellular vesicles, and to locally generate a vascularized bioactive niche promoting modulation of post-ischemic inflammation and cardiac repair.
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