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Gene & Protein in Disease                                              Stem cell-based antimicrobial therapy



            and inflammation. It has been demonstrated, for instance,   eradicate microbial agents without hurting host tissues by
            that MSCs inhibit the function of T-cells, a key immune   engineering stem cells to express AMPs or antibodies. For
            cell  that  can  cause  tissue  injury in  autoimmune  and   instance, scientists have altered MSCs to express a synthetic
            inflammatory diseases. By reducing the activity of these   AMP that has been shown to successfully eradicate germs
            cells, MSCs can aid in the prevention of tissue injury and   both in vitro and in animal infection models. The AMP was
            the promotion of tissue healing.                   effectively delivered to the bacterial cells by the modified
              Stem cells have anti-inflammatory properties, but they   MSCs, which enabled them to move to the infection site.
            can also boost the host immune system and aid in infection   Stem cells can be designed to specifically target
            eradication. The cytokines and chemokines that draw   infected host cells in addition to delivering antimicrobial
            immune cells to the site of infection can be induced by stem   agents to microbial cells directly. For instance, it has been
            cells. For instance, it has been demonstrated that therapy   demonstrated that MSCs move to the brain and particularly
            with neural stem cells promotes recruitment of immune   target inflamed blood arteries in animal models of bacterial
            cells to the brain in animal models of viral infections,   meningitis. The MSCs were able to lessen inflammation
            thereby improving viral clearance. The immunomodulatory   and encourage bacterial clearance by administering
            effects of stem cells can, however, differ depending on the   therapeutic medicines directly to the affected arteries .
                                                                                                           [26]
            type and stage of infection as well as the unique properties   In addition, stem cells can be genetically modified to
            of  the  stem  cells  being  employed .  To  completely   target particular cell-surface markers that are increased in
                                          [22]
            comprehend the immunomodulatory potential of stem   response to infection. For instance, a protein that precisely
            cells in the context of antimicrobial therapy, more study   targets and attaches to inflamed arteries has been designed
            is warranted.                                      and incorporated into MSCs. In animal models of bacterial
              Depending on their origin and ancestry, stem cells   meningitis, the MSCs were able to increase bacterial
            can differentiate into a variety of specialized cell types.   clearance and lessen inflammation by accumulating in
                                                                          [27]
            Due to their capacity for differentiation, stem cells are   these arteries . The release of antimicrobial drugs using
            particularly attractive for the development of medications   stem cells may be highly targeted and individualized. It may
            that can specifically target and eliminate microbes. It has   be possible to build cutting-edge and potent antimicrobial
            been shown that MSCs can differentiate into macrophages,   medicines that limit harm to host tissues by engineering
            which are vital immune cells that can engulf and eliminate   stem cells to express particular therapeutic molecules and
            invasive infections . MSCs are capable of differentiating   target specific cells or tissues damaged by infection.
                           [23]
            into osteoblasts and chondrocytes, the two cell types that   Stem cells possess distinct characteristics that render
            can directly target microbes and assist in bone and cartilage   them potentially valuable for conveying medicinal drugs
            regeneration after infections.                     to particular regions of the body, including infected
                                                                  [28]
              It has been demonstrated that neural stem cells can   sites . Through chemical signals, stem cells can be steered
            develop into neurons that can  fight viral infections in   toward specific tissues or areas, and this quality can be
            the brain. Neural stem cell transplantation has been   exploited to direct them to infected regions. The concept
            demonstrated in animal models of viral encephalitis to   of utilizing stem cells, particularly MSCs, as conveyance
            induce the development of new neurons that can specifically   mechanisms for antimicrobial drugs is being investigated
            target the virus and eradicate the infection. Stem cells can   by  scientists.  This  process  entails  loading  the  stem  cells
            be designed to distribute antimicrobial drugs to certain   with antimicrobial drugs and then administering them to
            sites in addition to their direct antimicrobial actions .   the patient. Once present in the body, the stem cells can
                                                        [24]
            It may be conceivable to develop a highly targeted and   be directed to migrate toward the infected site due to the
            localized therapy that may directly eradicate microbial   presence of signals discharged by the infected tissue. The
            agents without affecting host tissues by engineering stem   stem  cells  can,  then,  discharge  the  antimicrobial  drugs
            cells to express AMPs or antibodies. The differentiation   directly at the infected site, which can enhance the drug’s
            capacity of stem cells might, however, change based on   local concentration and efficacy.
            their source and lineage as well as the particular properties
            of the stem cells being used. To completely comprehend   3. Mechanisms of stem cell antimicrobial
            the potential of stem cell differentiation in the context of   activity
            antimicrobial therapy, more study is required.     Stem  cells  are  capable  of  exhibiting  direct  antimicrobial
              Stem cells may be used to deliver antimicrobial drugs to   properties as a result of their capacity to differentiate
            specific areas of the body . It may be possible to develop   into  distinct  cell  lineages  that  can specifically  identify
                                [25]
            a highly targeted and localized therapy that may directly   and eliminate microbial pathogens. MSCs are capable

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