Oxidative stress, which is induced by reactive oxygen species (ROS), causes cellular damage which contributes to the pathogenesis of neurodegenerative diseases. and usually consumed as an important medicinal plant in various regions of Asia, Africa, Central Asia, and South America [17,18]. MC contains several bioactive components, such as saponin, polysaccharide, vicine, polyphenols, vitamin C, and flavonoids [17,19]. Several studies have reported its therapeutic efficacy against various ailments via its antimicrobial, anticancer [20,21], anti-inflammatory [22], antioxidant [18,23], hypolipidemic [17,24], and antidiabetic [19,22,25] properties. Specifically, it’s been well-studied that MC can ameliorate the symptoms of diabetes by many systems successfully, such as reducing the blood sugar level [26,27], stimulating the insulin secretion of -cells [28], lowering hepatic gluconeogenesis [29], and raising the hepatic and muscle tissue glycogen articles [17,27]. Nevertheless, it is unidentified whether MC provides protective results against neuronal cell loss of life because of oxidative stress. The purpose of this research was to judge the function of MC in regulating H2O2-induced oxidative tension for neuroprotection also to explore its potential system of action. To do MEKK this aim, we investigated the anti-apoptotic and antioxidant properties of MC in H2O2-induced human neuroblastoma SK-N-MC cells. Right here, we present the initial record that MC possesses natural activities to attenuate H2O2-induced cell death and improve the cellular antioxidant system. We also demonstrate that MC inhibits apoptosis by inhibiting the mitochondria-dependent apoptosis pathway and the mitogen-activated protein kinase signaling (MAPKs) pathway. 2. Materials and Methods 2.1. Preparation of 70% Ethanol Extract of Momordica Charantia (MCEE) The dried fruits of (MC) CFTRinh-172 distributor were purchased from KS Farm (Geumsan, Korea) in February CFTRinh-172 distributor 2017. A total of 4 g of dried MC powder was added to 70% ethanol (200 mL) and sonicated for 10 min. After primary incubation for 6 h at 150 rpm and 37 C, the supernatant was removed, and a new portion of 70% ethanol (200 mL) was added and incubated a CFTRinh-172 distributor second time at 150 rpm and 37 C for 18 h. After this, the primary and secondary incubation extracted solutions were combined and centrifuged at 3000 rpm for 3 min. The supernatant was then filtered through a 0.22 m, PVDF syringe filter (Millipore, Bedford, MA, USA). The filtered answer was volatilized using a nitrogen generator. Finally, the obtained sample was dissolved in dimethyl sulfoxide (DMSO, Sigma, St. Louis, MO, USA) CFTRinh-172 distributor at a concentration of 200 mg/mL and stored in a ?30 C freezer. 2.2. Cell Culture and Treatment The human neuroblastoma SK-N-MC cell line was obtained from the American Type Culture Collection (ATCC HTB-10, Manassas, VA, USA). The cells were produced in Eagles Minimum Essential Medium CFTRinh-172 distributor (EMEM, Gibco, BRL, Gaithersburg, MD, USA) supplemented with 10% fetal bovine serum (FBS, Sigma-Aldrich, St. Louis, MO, USA) and 1% anti-biotic/anti-mycotic (ABAM, Gibco-Invitrogen, Grand Island, NY, USA), and the cultures were maintained in a humidified incubator at 37 C in an atmosphere of 5% CO2 and 95% air. The cell culture medium was changed every two days. When the cells were about 90% confluent, they were washed with PBS, detached with 0.25% trypsin EDTA (Gibco, BRL, Gaithersburg, MD, USA), resuspended, and subcultured onto plates at an appropriate density according to each experimental scale. Unless stated otherwise, cells were pretreated with various concentrations (5, 10, and 20 g/mL) of MCEE for 24 h and then exposed to H2O2 (500 M) for 4 h. 2.3. Cell Viability and Cytotoxicity Cell viability was measured using the Cell Counting Kit (CCK)-8 assay (Dojindo, Tokyo, Japan). Briefly, SK-N-MC cells (1 104 cells/well).