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Gene & Protein in Disease                                              Stem cell-based antimicrobial therapy



            and immunomodulation, it may be able to create brand-  mimic the actions of their natural counterparts . The
                                                                                                       [6]
            new treatments that efficiently target and destroy microbes   synthetic AMPs have showcased remarkable efficacy in
            while causing the least amount of harm to host tissues .  neutralizing harmful microorganisms. MSCs, which are
                                                       [2]
              In  low-  and  middle-income nations with  limited   present in various tissues such as bone marrow and adipose
            access  to  healthcare  and  resources  for  disease  control   tissue, hold the potential for producing a diverse range of
            and prevention, infectious illnesses continue to be a   bioactive molecules, including AMPs. The fundamental
            considerable burden in addition to the threat posed by   idea  of this  treatment strategy  is to  genetically modify
            antibiotic resistance. For instance, millions of people   MSCs to synthesize and secrete synthetic AMPs. On
            continue to be affected by illnesses such as tuberculosis,   administering to a patient, these engineered MSCs can
            malaria, and HIV/AIDS throughout the world, especially   continually release the  synthetic  AMPs,  fortifying  the
            in areas with scarce resources . To address these global   innate defense mechanism of the body against infections.
                                    [3]
            health issues, there is a need for creative and economical   Moreover, stem cells, particularly MSCs, can serve as
            treatment approaches that can be scaled up. By providing   delivery vehicles for antimicrobial drugs. Researchers
            a tailored and individualized approach to antimicrobial   can achieve targeted drug delivery by loading these cells
            treatment, stem cell-based therapies have the potential   with antimicrobial agents and guiding their migration
            to solve some of these issues. The ability to develop and   toward  infected areas through chemical signals. This
            differentiate stem cells into particular cell types that can   localization enhances the drug’s concentration precisely at
            specifically target and eradicate microbial pathogens allows   the infection site, optimizing its efficacy while minimizing
            for the isolation of stem cells from either the patient’s own   systemic side effects. However, this pioneering concept
            tissues or from a donor. They are especially desirable for   comes with certain challenges and limitations. Ensuring
            treating infectious disorders linked to immunological   consistent production of synthetic AMPs by MSCs demands
            dysfunction because they can modify the immune     intricate genetic engineering techniques, and the long-term
            response and strengthen host defensive mechanisms .   safety implications of introducing genetically modified
                                                        [4]
            For addressing the problems with infectious diseases and   cells into  patients need  to  be  rigorously  evaluated.  In
            antimicrobial resistance that threaten global health, stem   addition, directing stem cells to exclusively target infected
            cell-based therapies for antimicrobial treatment hold   tissues, without affecting healthy ones, remains a complex
                                                                      [7]
            significant potential. To improve these treatments and   endeavor .
            guarantee their safety and efficacy, substantial research and   In addition, stem cells may function as a focused delivery
            development is still required.                     route for antimicrobial substances . It may be possible to
                                                                                          [8]
              Due to their unique characteristics that make them   develop a highly targeted and localized therapy that may
            optimal for this application, stem cells have emerged   directly eradicate microbial agents without hurting host
            as a potential  source for the  development  of new and   tissues by engineering stem cells to express AMPs or
            targeted treatments for infectious diseases. One of the   antibodies. Due to the tremendous potential of stem cells
            primary  characteristics  of  stem  cells is  their  ability  to   as a targeted strategy against infections, there is a growing
            differentiate into specialized cell types that can specifically   interest in developing stem cell-based therapeutics for
            target and eradicate microorganisms. It has been shown   a variety of infectious disorders . Significant research
                                                                                          [9]
            that mesenchymal stem cells (MSCs) can differentiate   and development are still required to enhance these
            into macrophages, which are vital immune cells that can   treatments and ensure their safety and effectiveness. In
            engulf and eradicate invasive infections . Stem cells can   the sections that follow, we will discuss in greater depth
                                            [5]
            differentiate, but they also possess immunomodulatory   the mechanisms underlying the antimicrobial activity
            properties that can enhance the immune response of the   of stem cells, as well as the challenges and opportunities
            host  and  promote the healing  of  infections.  MSCs  have   associated with the clinical application of stem cell-based
            been shown to regulate the production of cytokines and   antimicrobial therapy.
            chemokines, which are crucial signaling molecules that   Compared  to conventional medications,  which
            regulate the immune response. MSCs can also inhibit   frequently target general elements of microbial physiology
            the activity of immune cells that cause tissue injury and   and can have considerable off-target effects on host cells,
            inflammation to reduce the severity of infections.  stem cells offer a novel strategy for antimicrobial therapy.
              Antimicrobial peptides (AMPs), which are petite proteins   On the other hand, stem cells can be modified to target
            of natural occurrence, play a crucial role in safeguarding   certain pathogens or infected host cells, making them a
            the human body from various pathogenic agents. Scientists   highly targeted and customized therapy. In addition, stem
            have extended this concept by synthesizing AMPs that   cells have the capacity to encourage tissue regeneration


            Volume 2 Issue 4 (2023)                         2                        https://doi.org/10.36922/gpd.1230
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