3 years ago

Gene Delivery Approaches for Mesenchymal Stem Cell Therapy: Strategies to Increase Efficiency and Specificity

Kiran Kumar Bokara, Nirosha Reddy, Gopi Suresh Oggu, Ch. Mohan Rao, Kranthi Kiran Reddy Ella, Shyama Sasikumar

Abstract

A significant number of clinical trials have been undertaken to explore the use of mesenchymal stem cells (MSCs) for the treatment of several diseases such as Crohn’s disease, diabetes, bone defects, myocardial infarction, stroke etc., Due to their efficiency in homing to the tissue injury sites, their differentiation potential, the capability to secrete a large amount of trophic factors and their immunomodulatory effects, MSCs are becoming increasingly popular and expected to be one of the promising therapeutic approaches. However, challenges associated with the isolation of pure MSC populations, their culture and expansion, specific phenotypic characterization, multi-potential differentiation and challenges of efficient transplantation limit their usage. The current strategies of cell-based therapies emphasize introducing beneficial genes, which will improve the therapeutic ability of MSCs and have better homing efficiency. The continuous improvement in gene transfer technologies has broad implications in stem cell biology. Although viral vectors are efficient vehicles for gene delivery, construction of viral vectors with desired genes, their safety and immunogenicity limit their use in clinical applications. We review current gene delivery approaches, including viral and plasmid vectors, for transfecting MSC with beneficial genes. The review also discusses the use of a few emerging technologies that could be used to improve the transfer/induction of desirable genes for cell therapy.

Publisher URL: https://link.springer.com/article/10.1007/s12015-017-9760-2

DOI: 10.1007/s12015-017-9760-2

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