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Advanced Neurology                                             Pantothenic acid in kainic acid-induced epilepsy




            Table 2. Effect of pantothenic acid on kainic acid‑induced changes in body and brain weight of mice with epilepsy
             Group       Change in body weight (BW, g) a  Brain weight (g)        Brain/BW ratio/100 g of mice weight
                          Male          Female          Male        Female         Male            Female
            1           0.44±0.11      −0.41±0.24     1.06±0.32     1.02±0.16       1.02             1.01
            2           1.07±0.19       0.19±0.08     0.73±0.19     0.68±0.13       0.67             0.43
            3           −2.53±0.89*    −2.92±0.82*    0.86±0.22*   0.98±0.03**      0.83             0.85
            4           −1.76±0.76     −3.95±0.65     0.96±0.43*   0.87±0.88*       0.77             0.65
            5           −2.32±0.43*    −3.69±0.76     1.08±0.13**  1.29±0.76**      0.83             0.79
            6          −4.51±1.07**    −3.06±0.74*   1.12±0.22***  1.31±0.54***     0.71             1.08
            Data are expressed as means±standard error of the mean, n = 6. Data were analyzed using one-way analysis of variance followed by Tukey-Kramer
            multiple comparisons test. *P < 0.05, **P < 0.01, and ***P < 0.001 compared with vehicle-treated KA group (i.e., Group 2). Group 1: Control group,
            Group 2: Vehicle-treated KA group consisting of untreated KA-induced mice, Group 3: Group of diazepam-treated KA-induced mice, Group 4: Group
            of pantothenic acid (30 mg/kg, p.o.)-treated KA-induced mice, Group 5: Group of pantothenic acid (60 mg/kg, p.o.)-treated KA-induced mice, and
                                                               a
            Group 6: Group of pantothenic acid (90 mg/kg, p.o.)-treated KA-induced mice.  Initial day BW - final day BW
            Table 3. Effect of pantothenic acid on monoamine oxidase   A              B
            level in brain tissues

             Group        MAO‑A               MAO‑B
                   Level (nM/mg   Inhibition   Level (nM/  Inhibition
                     protein·h)  (%)    mg protein·h)  (%)
            1        22.1±0.32           23.2±0.24              C                     D
            2       27.4.1±0.82  00      32.1±0.76   00
            3        27.1±0.43*  3.89    23.1±0.19*  00
            4        25.76±0.36  10      28.76±1.02  17
            5        22.8±0.54*  21      18.2±0.54   35
            6       21.3±0.33**  35      12.4±1.03*  65
                                                                E                     F
            Data are expressed as means±standard error of the mean, n = 6.
            Data were analyzed using one-way analysis of variance followed
            by Tukey-Kramer multiple comparisons test. *P < 0.05, **P < 0.01,
            ***P < 0.001 compared with vehicle-treated KA group (i.e., Group 2).
            Group 1: Control group, Group 2: Vehicle-treated KA group consisting
            of untreated KA-induced mice, Group 3: Group of diazepam-treated
            KA-induced mice, Group 4: Group of pantothenic acid (30 mg/
            kg, p.o.)-treated KA-induced mice, Group 5: Group of pantothenic   Figure  4.  Histopathology of brain tissue (cerebral cortex) showing
            acid (60 mg/kg, p.o.)-treated KA-induced mice, and Group 6: Group   neuronal degeneration and inflammation. (A) Mice from normal control
            of pantothenic acid (90 mg/kg, p.o.)-treated KA-induced mice.   group.  (B)  Untreated  kainic  acid  (KA)-induced  mice.  (C) Diazepam-
            MAO-A: Monoamine oxidase A, MAO-B: Monoamine oxidase B  treated  KA-induced  mice.  (D)  Pantothenic  acid  (30  mg/kg)-treated
                                                               KA-induced mice. (E) Pantothenic acid (60 mg/kg)-treated KA-induced
                                                               mice. (F) Pantothenic acid (90 mg/kg)-treated KA-induced mice. Arrow
            which were treated with PA 30  mg/kg and 60  mg/kg,   indicates neuronal vacuolation.
            respectively, showed focal areas of cellular degeneration,
            although certain areas were morphologically normal. The
            mice in Group 6 (Figure 4F), which were treated with PA   have epilepsy, while 3% of the population will develop
                                                                              [25,26]
            (90 mg/kg), showed improvement in the near normal brain   epilepsy later in life  . At present, significant progress has
            parenchyma with minimal degenerative changes.      been made in the diagnosis and treatment of neurological
                                                               conditions and research is ongoing, especially on neuronal
            4. Discussion                                      signaling to neighboring cells [27,28] . The basic cause of
                                                               seizure progression has not yet been established [29-31] , but
            The present study found that KA significantly induced the   excessive activation of excitatory amino acid receptors
            SE state of epilepsy and PA ameliorates the damage and the   or GABAergic system inhibition has been observed in
            associated neurodegeneration caused by KA administration   mice [25,26] . Excessive stimulation of excitatory amino
            in mice. In clinical practice, epilepsy is the most common   acid receptors has been clearly demonstrated to induce
            neurological condition. In the U.S., 2.2 million individuals   prolonged seizures [25,26] .


            Volume 1 Issue 2 (2022)                         6                        https://doi.org/10.36922/an.v1i2.40
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