Combining stem cells and tissue engineering in cardiovascular repair-a step forward to derivation of novel implants with enhanced function and self-renewal characteristics

Faisal H. Cheema, Gianluca Polvani, Michael Argenziano, Maurizio Pesce

Research output: Contribution to journalArticlepeer-review


The use of stem and progenitor cells in cardiovascular therapy has been proposed as a feasible option to promote repair of tissue damage by ischemia, or to devise definitive artificial tissue replacements (valves, vessels, myocardium) to be surgically implanted in patients. Whereas in other medical branches such as dermatology and ophthalmology the use of ex vivo grown tissues is already accessible to a large degree, the use of bio-artificial implants in cardiovascular surgery is still marginal. This represents a major limitation in cardiovascular medicine at present. In fact, the limited durability and the lack of full compatibility of current implantable devices or tissues prevent a long-term resolution of symptoms and often require re-intervention thereby further increasing the economic burden of the cardiovascular disease. Stem cell technology can be of help to derive tissues with improved physiologic function and permanent durability. Specifically, the intrinsic ability of stem cells to produce tissue-specific "niches", where immature cells are perpetuated while differentiated progenitors are continuously produced, makes them an ideal resource for bioengineering approaches. Furthermore, recent advancements in biocompatible material science, designing of complex artificial scaffolds and generation of animal or human-derived natural substrates have made it feasible to have ex vivo reproduction of complex cellenvironment interactions - a process necessary to improve stem cells biological activity. This review focuses on current understanding of cardiovascular stem cell biology as well as tissue engineering and explores their interdisciplinary approach. By reviewing the relevant recent patents which have enabled this field to advance, it concentrates on various design substrates and scaffolds that grow stem cells in order to materialize the production of cardiovascular implants with enhanced functional and self-renewal characteristics.

Original languageEnglish
Pages (from-to)10-20
Number of pages11
JournalRecent Patents on Cardiovascular Drug Discovery
Issue number1
Publication statusPublished - Apr 2012


  • Bioartificial tissue
  • Decellularization
  • Guided cell therapy
  • Organogenesis
  • Patches
  • Scaffolds
  • Stem cells
  • Tissue engineering

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Pharmacology (medical)
  • Drug Discovery


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