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Gene & Protein in Disease                                         Phage therapy for Mycobacterium infections



            the possible limitations of a single phage, which may be   associated  with  implementing  phage  therapy  on  a  large
            ineffective against some bacterial strains or may develop   scale, particularly beyond  the scope of  a clinical  trial.
            drug resistance. Utilizing combinations of multiple phages   Primarily, the clinical utilization of phages as therapeutic
            can enhance the bactericidal impact and diminish the   agents in the field of medicine is still in its infancy.
            likelihood of bacterial resistance to phages. Another   Subsequent research efforts should focus on bolstering
            approach is phage-antibiotic combination therapy. This   clinical trials of phage therapy to ascertain its long-
            strategy  aims  to  enhance  both  the  bactericidal  and   term effectiveness and safety in clinical practice, thereby
            therapeutic effects of combining phages with antibiotics.   establishing a robust basis for its widespread clinical
            Broadly speaking, bacteriophages are viral agents that can   application. In addition, the meticulousness of the
            selectively infect and lyze target bacteria, while antibiotics   preparation and  purification process of  phage  therapy
            impede bacterial growth and replication through diverse   is crucial to ensuring its safety and efficacy. Further
            mechanisms. The utilization of both bacteriophages and   investigation is required to understand the specificity and
            antibiotics  offers  several  potential benefits.  First,  their   selectivity of phages for different mycobacterial strains.
            combined use can amplify their individual effects, as they   Key areas of focus include developing screening techniques
            operate through distinct mechanisms, thereby enhancing   that can rapidly differentiate therapeutic phages from other
            the bactericidal impact and leading to more efficient   phages, devising effective phage treatment approaches to
            eradication of bacterial infections. Second, this approach   combat biofilms, establishing secure and validated phage
            has the potential to mitigate and diminish drug resistance,   preparation protocols for the production and preparation
            as phages can selectively target specific bacterial strains,   of  larger-scale  phages,  and  implementing  conditions
            thereby reducing the emergence of drug-resistant variants.   to guarantee the stability of phages during storage and
            When used in conjunction with antibiotics, this strategy   transportation.  Furthermore, clinical instances have
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            can lower the likelihood of bacteria developing resistance   demonstrated that the combined use of bacteriophages
            to drugs. There is also increased coverage. While certain   and antibiotics yields superior outcomes.  However, there
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            bacteria may develop resistance to phages  or antibiotics   is a lack of documented cases regarding the concurrent
            individually, their combined use broadens the bactericidal   administration of mycobacteriophages and associated
            effect and enhances the likelihood of successful treatment.   antibiotics. This gap highlights a potential avenue for
            A study  demonstrated that the mycobacteriophage SWU1   future  investigation, which could  offer  novel  insights
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            Gp39  serves  as  an antibiotic  enhancer. Bacteriophages   into managing mycobacterial infections. The potential
            and antibiotics operate through distinct bactericidal   of phages for treating mycobacterial infections remains
            mechanisms, and their combined administration can   largely unexplored, partly due to the limited availability of
            yield synergistic effects. Finally, the manipulation of   phages and insufficient understanding of factors such as the
            bacteriophages through genetic engineering technology   susceptibility and lethality of M. tuberculosis isolates from
            to bolster their efficacy in treating specific diseases or   different  lineages,  mechanisms of  phage  resistance,  and
            to enhance their safety and stability is referred to as   interactions between phages and antibiotics.  In general,
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            engineered bacteriophages.                         the potential applications of phages are poised to expand
              Bacteriophages  that  target  mycobacteria  have  further with ongoing research, presenting new prospects
            demonstrated significant potential for medical applications,   and challenges  in  medical  therapy and  biotechnology
            particularly in the treatment of drug-resistant mycobacterial   development. 103
            infections.  Mycobacteriophages offer a range of advantages   8. Conclusion
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            over conventional antibiotic therapy. First, phages are able
            to selectively infect target bacteria without causing damage   The  use  of  mycobacteriophages in medicine offers
            to normal human cells, thus minimizing potential toxic   promising potential for the diagnosis and treatment of
            effects. In addition, they have a wide host range and can   Mycobacterium-associated infections, notably those caused
            infect various types of mycobacteria, including drug-  by M. tuberculosis, Mycobacteroides avium, and M. abscessus.
            resistant strains. Furthermore, phage therapy can help   Consequently, mycobacteriophages represent a promising
            mitigate the issue of antibiotic resistance, providing a   option for phage-based diagnostic and therapeutic
            valuable alternative for patients who do not respond to   approaches targeting mycobacterial infections.
            conventional treatments.                             Bacteriophages, as natural antagonists of bacteria,

              While phage therapy shows promise in improving   present significant potential for application in the
            the treatment of mycobacterial infections, several   treatment of bacterial infections. However, the narrow
            considerations must be taken into account to address the   host range of bacteriophages poses a substantial limitation
            unforeseeable challenges. There are notable complexities   to the advancement and implementation of phage


            Volume 3 Issue 3 (2024)                         9                               doi: 10.36922/gpd.2935
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