Plasmid DNA and mRNA delivery: Approaches and challenges.

for delivery of plasmid DNA and mRNA transform biology and medicine, offering powerful tools for gene therapy, vaccine development, cancer immunotherapy, and regenerative medicine. Plasmid DNA provides a relatively stable and sustained expression of the genes which also provides the basic groundwork for long-lasting therapeutic. At the same time, mRNA has also demonstrated more appropriateness for dynamic and time-sensitive applications due to its short-lived and accurate translation capabilities, such as during the development of mRNA-based COVID-19 vaccines. Despite their unique advantages, however, the efficient delivery of these biomolecules poses challenges including immune system activation, enzymatic degradation, and limited cellular uptake. The structural and functional features of plasmid DNA and mRNA highlighted the positive functions that underpin their complementary roles in next-generation biomedical applications. In addition, it highlights the novel delivery routes across lipid nanoparticles, polymeric systems, biomimetic carriers, and hybrid applied sciences which can resolve long-standing challenges to efficient distribution. Emerging technologies such as CRISPR gene editing, self-amplifying RNA, and multiplexed nanoparticles are also increasing the utility of these systems. Significant advances in the delivery of plasmid DNA and mRNA molecules have revolutionized vaccine development, opened new avenues in personalized medicine, and have also inspired a future with engineerable tissues. As these innovations develop, they are predicted to go beyond current limitations and bring around a fresh era of accurate medication taking on one of the global healthcare's most complex challenges. Our revolutionary delivery methods provide stability and simplicity, transforming medical advances.