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Global Translational Medicine                                      Electrical stimulation in therapy and biology



            2.1.2. Ionic flux                                  effectively. Patients undergoing therapy gained restored

            Voltage-gated ion channels play a key role in the cellular   nerve functioning, muscle strength, and cognition, and an
            response to ES by allowing ions such as Na , K , and Ca²    overall enhancement in well-being, attributed to improved
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            to move across the membrane. Among these, voltage-gated   bio-energy circulation. The findings highlight the necessity
            calcium channels are particularly important, as the influx   to investigate the effectiveness of BMT as a therapeutic
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            of Ca²  into the cells is essential for intracellular signaling,   approach for viral disease recovery.
                 +
            neurotransmitter secretion, and gene expression. This   In  terms  of  enhancing  protein–ligand  binding,  ES
            calcium entry is generally coupled with changes in   can  improve  the  binding  constants  of  ligands  to  their
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            intracellular Ca²  stores and Ca²  signaling, which   receptors by altering the local membrane conditions. This
            influences cell viability and renewal. 20          mechanism is critical in therapy that involves targeted
                                                               drug delivery and tissue engineering. 27
            2.2. Permeability modulation
                                                                 The extent of ES effects on cell membrane potentials
            The electric current affects the structural and functional   is deemed a promising therapeutic and biological
            characteristics of the lipid bilayer and changes membrane   phenomenon in medicine and biotechnology. In
            permeability. This phenomenon is crucial in drug delivery   neurorehabilitation, ES is used to restore action potential
            systems, gene delivery, and cancer therapies.
                                                               and synaptic plasticity. It assists patients with spinal cord
            2.2.1. Electroporation                             injuries, brain injuries, and stroke. Furthermore, it renews
                                                               the  axons,  fortifies  neural  connections, and  encourages
            Electroporation forms nanopores with the help of high   functional  gain  by  stimulating  neurotrophic  elements
            electrical pulses to temporarily destabilize the membrane   and significant pathways.  Including ES in rehabilitation
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            integrity. These pores permit molecules such as DNA, RNA,   programs  enhances  motor  activity and  decreases  the
            and drugs to diffuse passively into the cells. This technique has   muscle tone of the affected patient.
            significantly transformed molecular medicine, particularly
            in applications such as gene editing and immunotherapy. 21,22  In addition, ES also activates the fibroblast and
                                                               endothelial cells in tissue remodeling, promoting wound
            2.2.2. Lipid bilayer dynamics                      healing and new blood vessel formation. It also stimulates

            ES may alter the arrangement of lipids in the bilayer,   osteoblast proliferation and bone remodeling, facilitating
            affecting its fluidity and phase behavior. This reorganization   the  development  of  next-generation  bioelectric  scaffolds
                                                                                   1
            affects membrane stability and the distribution of signaling   for tissue regeneration.  In oncology, electroporation-
            molecules, such as the formation of lipid rafts. Such changes   based therapies apply ES to increase drug uptake into
            can control receptor aggregation and signal amplification. 23  cancer cells, augmenting the effect of treatments such as
                                                               electrochemotherapy and reducing systemic side effects.
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            2.3. Membrane protein and receptor impact          In addition, ES also enhances cancer immunotherapy by
            Transport proteins, receptors, and ion channels are proteins   facilitating the delivery of genes that stimulate immune
            embedded in the cell membrane. They have diverse   responses in tumors.
            biochemical functions, including signal transduction.   ES is very effective in treating cardiac and muscular
            ES plays a significant role in the structure and coupling   disorders (Figure  3). Devices such as pacemakers and
            constitution of these proteins.                    defibrillators help regulate heart rhythms in patients with
              ES creates an electrical field that alters the conformational   arrhythmias or heart failure by synchronizing cardiac
            state of voltage-sensitive membrane proteins. For instance,   activity. Similarly, neuromuscular electrical stimulators
            voltage-sensitive phosphatases change conformation to   are used to treat muscle atrophy and improve patient
            regulate the activity of the phosphatases and signaling   mobility.  Recent developments and growing insights into
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            pathways. 24                                       the molecular mechanisms of ES suggest that its clinical
              Moreover, ES enhances the functional competence and   applications will continue to expand in the near future.
            receptiveness of the receptors on the cell membrane. Due   3. Biological effects of ES on cellular
            to increased clustering and redistribution, growth factor   processes
            receptors and neurotransmitters become more responsive,
            leading to enhanced cellular activation. This effect has been   ES has emerged as a complex, multifaceted technique
            applied in nerve repair and wound healing treatments.  A   with broad applications in cell biology, regenerative
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            recent case report demonstrated the successful application   medicine, and tissue engineering. By regulating different
            of this approach in treating post-COVID-19 symptoms   cellular functions at or across the cellular signaling level,


            Volume 4 Issue 3 (2025)                         25                              doi: 10.36922/gtm.7774
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