Page 13 - ITPS-7-2
P. 13

INNOSC Theranostics and
            Pharmacological Sciences                                             Novel pharmacologic therapies for SAH



            3.2.4. Neuroendoscopy and evacuation                 A summary of the current treatment options is

            In  the neuroendoscopy  and evacuation  procedure, the   illustrated in Figure 3.
            combination of an endoscope and an aspiration cannula   3.2.6. Novel surgical method
            is utilized. Research indicates that individuals undergoing
            endoscopic evacuation had a significantly better prognosis   A study on a case involving a large ICH evacuated utilizing a
                                           59
            than those receiving medicinal therapy .           unique parafascicular BrainPath/Myriad procedure guided
                                                               by diffusion tensor imaging suggests that this approach is a
                                                                                                           63
            3.2.5. Surgical clipping and endovascular coiling  superior method for rapidly diminishing the hematoma .
            Surgical clipping and endovascular coiling are the two   4. Novel treatment options
            most frequently used procedures  to lower the incidence
            rate of bleeding following a superficial arterial hematoma.   SAH is a critical condition associated with a high risk of
            Surgical clipping involves open surgery performed under   complications, including vasospasm, cerebral infarction,
            general anesthesia. To visualize the aneurysm, the brain is   and poor outcomes. While traditional treatment strategies
            gently retracted, and a tiny clip is positioned across its neck   have limitations, ongoing research is exploring novel
            to prevent blood flow into the aneurysm, with titanium   approaches to improve the management of SAH. Section
            clips serving as a permanent fixture on the artery . Despite   4 outlines several emerging treatment options supported
                                                  60
            advancements in endovascular therapy, surgical clipping   by recent research.
            of paraclinoid aneurysms remains a necessary therapeutic   4.1. Exosomes
            option with a manageable risk profile. The prediction and
            prevention of post-operative motor impairments during   With their ability to improve cognitive function, inhibit
            aneurysm clipping have demonstrated feasibility through   cell death, reduce inflammation, regulate autophagy,
            intraoperative monitoring of motor and somatosensory   and protect the BBB, exosomes show great promise for
            evoked potentials 61,62 .                          the treatment of central  nervous system (CNS) damage.
                                                               Certain chemicals and pathways, including microRNA,
              In endovascular coiling, an initial catheter is used to   NF-κB, PI3K/AKT, Notch1, and ERK, collaboratively
            implant a microcatheter into the femoral artery. The tip of   contribute to these effects. The review by Zhang  et al.
            the microcatheter is connected with a platinum coil, and   provides an overview of the diverse applications of
            an electrical current is utilized to detach the coil from the   exosomes in CNS injury, highlighting their importance as
            catheter once it enters the aneurysm lumen. The coil is left   therapeutic targets .
                                                                              64
            permanently within the aneurysm, inducing thrombosis .
                                                         60
                                                                 In comparison to the use of unmodified exosomes, a
                                                               separate study  discovered that administering exosomes
                                                                          65
                                                               derived from human umbilical cord mesenchymal stem
                                                               cells  (hUCMSCs)  with  miR-206  knockdown  confers
                                                               superior neuroprotective benefits in the context of SAH-
                                                               induced early brain injury (EBI). By selectively targeting
                                                               brain-derived neurotrophic factor (BDNF), these miR-206-
                                                               knockdown exosomes exhibit  a considerable  capacity  to
                                                               alleviate neurological impairments, reduce brain edema, and
                                                               mitigate neuronal death. Moreover, in vivo administration
                                                               of exosomes modified with miR-206 activates the BDNF/
                                                               TrkB/CREB signaling pathway. Essentially, the study
                                                                                                            65
                                                               confirms that exosomes produced from hUCMSCs with
                                                               miR-206 knockdown are essential in preventing EBI after
                                                               SAH by blocking apoptosis through the BDNF/TrkB/
                                                               CREB signaling cascade. This discovery provides a novel
                                                               and promising therapeutic target for treating SAH-induced
                                                               EBI, potentially resulting in better treatment outcomes .
                                                                                                          66
                                                                 Exploring  the  potential  of  exosomal  miR-3064-5p
                                                               derived from dendritic cells to restore the BBB in the
            Figure 3. Current treatment options for the management of subarachnoid   event of SAH. The results indicate that miR-3064-5p
            hemorrhage.                                        overexpression  improves  BBB  integrity,  reduces


            Volume 7 Issue 2 (2024)                         7                                doi: 10.36922/itps.2019
   8   9   10   11   12   13   14   15   16   17   18