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Brain & Heart                                                     Mesenchymal cell therapy for heart disease



            doses of allogeneic BM-MSCs in ischemic cardiopathy was   that make them more potent therapeutic agents in
            investigated in the TRIDENT trial. A  transendocardial   cell-based treatments. MSCs play the role of regulatory cells
            injection of either 20 million or 100 million cells was   that release mediating factors, promote growth factors, or
            given at random to 30 individuals. In all groups, the scar   entice cells to initiate restorative actions in injured tissues,
            size decreased equally after a year of follow-up. There are   in contrast to normal stem cells that mature into effector
            inherent restrictions in clinical studies pertaining to cell   cells. It is because they offer an “off-the-shelf” treatment
            dose, delivery time, administration method, processing   option allogeneic MSCs are especially interesting. In
            of cells, and research follow-up. However, MSCs display   addition, they also avoid some of the drawbacks of using
            potential for reducing scar size, augmenting local blood   autologous cells. In summary, a number of preclinical
            flow and contraction, stimulating vasculogenesis, reducing   investigations have yielded positive results. Nonetheless,
            the effects of fibrosis in diseased tissue, and enhancing   large-scale,  carefully  planned,  randomized  clinical  trials
            overall quality of life. 37                        are necessary before MSC therapy can be used to treat the
                                                               global health problem of IHD. Regardless of its therapeutic
            6. Challenges and controversies                    potential, stem cell biology is very promising.
            surrounding MSC-based therapeutics for
            cardiac diseases                                   Acknowledgments
            Some of the challenges involved in MSC-based therapeutics   We thank Dr. Ramachandran M.S., M.Ch., TIRM-TMCH
            include the likelihood of cardiac arrhythmia and the   for inspiring and guiding us to conceptualize MSC research
            differentiation of multipotent stem cells into undesirable   in clinical application.
                                                         38
            noncardiac  cells  after  implantation  into  heart  tissue.    Funding
            While MSCs can differentiate and mature into functional
            endothelial and cardiac cells, validation of this ability in vivo   None.
            has yet to be completed, primarily due to the absence of   Conflict of interest
            specific cardiac markers for MSCs.  When a patient has an
                                       39
            ischemic cardiac condition, the LVEF ranges from 2% to   The authors declare that they have no competing interests.
            4% and is not against the unique effects of the most widely
            prescribed pharmacological treatments. Hence, there is an   Author contributions
            optimistic expectation that progress in stem cell therapy,   Conceptualization: Venkatesh Subramanian, Merlin Sobia
            encompassing abundant cell sources, refined delivery   Poomani
            techniques, and suitable preparation protocols, will propel   Project  administration:  Venkatesh  Subramanian,
            cellular therapy for the treatment of CVD. 40         Krishnaveni Muthan
            7. Future perspectives for MSC in cardiac          Writing — original draft: Merlin Sobia Poomani, Senolin
                                                                  Bindhia James, Varshini Radhakrishnan
            diseases                                           Writing — review & editing:  Varshini Radhakrishnan,
            Various sophisticated techniques have been introduced   Senolin Bindhia James, Venkatesh Subramanian
            to increase the efficacy of MSC. These approaches include   Ethics approval and consent to participate
            (i) improving engraftment potential through genetic
            modification;  (ii)  in vitro preconditioning to stimulate   Not applicable.
                       41
            their differentiation;  (iii) pre-treatment of MSCs with
                            42
            growth factors or cytokines to enhance their paracrine   Consent for publication
            properties; 43,44  and (iv) enhancing the effectiveness of   Not applicable.
            cellular treatment of MI by facilitating MSC functional
            changes in collaboration with the host cardiac muscle. 45,46    Availability of data
            It is thus expected that further studies will demonstrate   Not applicable.
            the therapeutic potential of adult tissues’ MSCs for
            ischemic MI.                                       References

            8. Conclusion                                      1.   Sans  S,  Kesteloot  H,  Kromhout  D.  The  burden  of
                                                                  cardiovascular diseases mortality in Europe: Task force
            Mesenchymal cells have garnered considerable interest in   of the European society of cardiology on cardiovascular
            recent years due to their potential for the treatment of CVD.   mortality and morbidity statistics in Europe. Eur Heart J.
            As mentioned previously, MSCs have unique properties   1997;18(8):1231-1248.


            Volume 2 Issue 1 (2024)                         4                         https://doi.org/10.36922/bh.2065
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