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Advanced Neurology                                                  PSD-95 in neurodevelopmental disorders




            Table 2. Selected examples of changes in PSD‑95 levels affected by neurodevelopmental pharmacotherapies in cells and
            rodent studies
            Medications  Author  Model  Disease model  Treatment    Results              Conclusion
            Antipsychotics  Takaki    Neuron   Schizophrenia  (i)  Haloperidol    (i)  Aripiprazole    Choosing the proper
                        et al. 69  culture            (1 or 10 µM)    (1 mM or 10 mM) and   antipsychotic medication and
                                                    (ii)  Clozapine    clozapine         determining the correct dosage
                                                       (1 or 10 µM)   (1 mM): Increase in   may be crucial in safeguarding
                                                    (iii)  Aripiprazole    PSD-95, the number of   dendritic spines in individuals
                                                       (1 or 10 µM)   spines, phosphorylated Akt  with schizophrenia.
                                                    (iv)  GSK-3 inhibitor    Thr308 and Ser473, and
                                                       (1, 5, or 10 µM)  phosphorylated
                                                                      GSK-3 beta Ser9
                                                                    (ii)  Haloperidol (1 mM or
                                                                      10 mM) or clozapine
                                                                      (10 mM): Decrease in
                                                                      PSD-95, the number of
                                                                      spines, phosphorylated Akt
                                                                      Thr308 and Ser473, and
                                                                      phosphorylated
                                                                      GSK-3 beta Ser9
                                                                    (iii)  GSK inhibitor: Increase in
                                                                      PSD-95
                        Park    Neuron   Toxic conditions   (i)  Olanzapine (10, 50,  (i)  Olanzapine, quetiapine and  The increased expression
                        et al. 68  culture  induced by B27   and 100 µM),  aripiprazole: Increase in   of synaptic proteins and
                                       deprivation  (ii)  Quetiapine    PSD-95 and BDNF  the expansion of dendritic
                                                       (0.1, 1, and    (ii)  Ziprasidone: Did not affect  structures could be essential
                                                       10 µM)         PSD-95 or BDNF     consequences of certain
                                                    (iii)  Aripiprazole    (iii)  Haloperidol: Decrease in   atypical antipsychotic
                                                       (0.1, 1, and    the levels of PSD-95.  medications. However,
                                                       10 µM)       (iv)  All drugs increased the   haloperidol may exhibit unique
                                                    (iv)  Ziprasidone    outgrowth of hippocampal  effects or actions in this regard.
                                                       (0.1, 1, and    dendrites through PI3K
                                                       10 µM),        signaling, whereas
                                                    (v)  Haloperidol    haloperidol had no effect.
                                                      (0.1, 1, and 10 µM)
                        Iasevoli   SD rats  NA      (i)  Haloperidol    (i)  Haloperidol and   The rise in PSD-95 levels
                        et al. 76                     (0.8 mg/kg)     Ziprasidone: Increase in   following extended
                                                    (ii)  Ziprasidone    PSD-95 expression at the   antipsychotic treatment
                                                       (4 mg/kg)      early time-point in the   might be seen as an indirect
                                                    (iii)  Clozapine    ACC, MAC, and MC.  mechanism that plays a role in
                                                       (15 mg/kg)   (ii)  Clozapine: Upregulated   reversing hyperdopaminergic
                                                                      Homer1a expression in the  activity in schizophrenia.
                                                                      nucleus accumbens.
            Selective   Aguiar    BCCAO   Brain ischemia  Escitalopram    Restored BDNF, SYN, and   Escitalopram reduced the
            serotonin   et al. 90  rat model        (20 mg/kg)      PSD-95 protein levels in the   decline in PSD-95 protein levels
            reuptake                                                hippocampus.         caused by BCCAO.
            inhibitors   Seo    Neuron   Depression (B27)  (i)  Fluoxetine    (i)  Fluoxetine, paroxetine,   Some antidepressant
            (SSRIs)     et al. 93  Culture            (0.1, 1, and 10 µM)  sertraline: Increase in   medications can boost the
                                                    (ii)  Paroxetine    BDNF             levels of synaptic proteins
                                                       (0.1, 1, and 10 µM) (ii)  All drugs+B27 prevented   and promote the growth of
                                                    (iii)  Sertraline e    the decrease of PSD-95,   dendrites in hippocampal
                                                       (0.05, 0.1, and    BDNF and synaptophysin:  neurons.
                                                       1 µM)          Increase in dendritic
                                                    (iv)  Tranylcypromine   outgrowth in hippocampal
                                                       (1, 10, and 50 µM)  cells
                                                    (v)  Tianeptine (10, 50,
                                                      and 100 µM)
                                                    (vi)  Escitalopram
                                                       (1, 10, and 50 µM)
                                                                                                       (Cont’d...)

            Volume 3 Issue 1 (2024)                         7                         https://doi.org/10.36922/an.2095
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