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Advanced Neurology                                            TG100-115 suppresses glioblastoma cell functions



            2.7. Statistical analysis                          progressively over the culture period, reaching 108.0 ± 4.4%,

            All data are presented as means ± standard error of the mean.   255.9 ± 5.7%, and 383.8 ± 5.4% at 24, 48, and 72 h, respectively.
            Student’s t-test was employed to compare the control and   In contrast, treatment with TG100-115  (30 – 240  µM)
            treatment groups. One-way analysis of variance, followed by   significantly inhibited U251 cell proliferation at 24, 48, and
            the Newman–Keuls post hoc test, was utilized to ascertain   72 h, compared to the control group (p<0.001, n = 3). In
            statistical significance for multiple comparisons. p<0.05 was   Figure S1, numerous U251 cell colonies were observed
            considered to indicate a statistically significant difference.  in the control group 7 days after seeding in six-well plates,
                                                               as indicated by the crystal violet staining. Treatment with
            3. Results                                         TG100-115 (50 µM) resulted in a significant reduction in
                                                               U251 cell colony formation to 47.0 ± 4.3%, compared to
            3.1. TG100-115 reduced U251 cell viability and     that  observed in controls, 100.0 ±  5.1%  (p<0.01,  n  =  3).
            inhibited cell proliferation                       These consistent findings across multiple assays and time

            We assessed the impact of TG100-115 on U251 cell viability   points provided strong evidence that TG100-115 effectively
            and proliferation through an MTT assay. As shown in   inhibited U251 cell viability and proliferation.
            Figure 1A and B, our findings show that the 24-h treatment
            with TG100-115 notably decreased U251 cell viability in a   3.2. TG100-115 induced apoptosis in U251 cells
            dose-dependent manner (p<0.001, n = 4), with an IC  of   We further investigated whether TG100-115 reduces the
                                                       50
            155.2 µM. The cell proliferation over time is illustrated in   viability of U251 cells by promoting apoptosis. Cell images
            Figure 1C. In the control group, cell proliferation increased   were captured 24 h after treatment with TG100-115 (30 –

                        A                                    B




















                        C

















            Figure 1. TG100-115 reduced the cell viability and proliferation of U251 cells. (A and B) U251 cells were treated with TG100-115 from 30 µM to 240 µM
            for 24 h. An MTT assay was used to evaluate the cell viability, and IC  was calculated (n = 4). TG100-115 (30 – 240 µM) significantly inhibited U251 cell
                                                        50
            viability after 24 h (***p<0.001 versus DMSO; one-way analysis of variance with subsequent Newman–Keuls test, n = 4). (C) TG100-115 inhibited the
            proliferation of U251 cells. U251 cells were treated with TG100-115 from 30 µM to 240 µM for 24, 48, and 72 h, then an MTT assay was used to measure
            the proliferation (a, b, c, d, and e represent 30, 60, 120, 180, and 240 µM TG100-115 versus DMSO, respectively, p<0.001, n = 3).
            Abbreviations: DMSO: Dimethyl sulfoxide; MTT: 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide.


            Volume 4 Issue 3 (2025)                         91                           doi: 10.36922/AN025110023
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