• Title/Summary/Keyword: MC-IXC cells

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Protective Effect of Fucoidan Extract from Ecklonia cava on Hydrogen Peroxide-Induced Neurotoxicity

  • Park, Seon Kyeong;Kang, Jin Yong;Kim, Jong Min;Park, Sang Hyun;Kwon, Bong Seok;Kim, Gun-Hee;Heo, Ho Jin
    • Journal of Microbiology and Biotechnology
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    • v.28 no.1
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    • pp.40-49
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    • 2018
  • We evaluated the antioxidant activity and neuronal cell-protective effect of fucoidan extract from Ecklonia cava (FEC) on hydrogen peroxide ($H_2O_2$)-induced cytotoxicity in PC-12 and MC-IXC cells to assess its protective effect against oxidative stress. Antioxidant activities were examined using the ABTS radical scavenging activity and malondialdehyde-inhibitory effect, and the results showed that FEC had significant antioxidant activity. Intracellular ROS contents and neuronal cell viability were investigated using the DCF-DA assay and MTT reduction assay. FEC also showed remarkable neuronal cell-protective effect compared with vitamin C as a positive control for both $H_2O_2$-treated PC-12 and MC-IXC cells. Based on the neuronal cell-protective effects, mitochondrial function was analyzed in PC-12 cells, and FEC significantly restored mitochondrial damage by increasing the mitochondrial membrane potential (${\Delta}{\Psi}m$) and ATP levels and regulating mitochondrial-mediated proteins (p-AMPK and BAX). Finally, the inhibitory effects against acetylcholinesterase (AChE), which is a critical hydrolyzing enzyme of the neurotransmitter acetylcholine in the cholinergic system, were investigated ($IC_{50}$ value = 1.3 mg/ml) and showed a mixed (competitive and noncompetitive) pattern of inhibition. Our findings suggest that FEC may be used as a potential material for alleviating oxidative stress-induced neuronal damage by regulating mitochondrial function and AChE inhibition.

Protective effect of ethyl acetate fraction from Actinidia arguta sprout against high glucose-induced in vitro neurotoxicity (포도당으로 유도된 in vitro 뇌신경세포 독성에 대한 다래 순 아세트산에틸 분획물의 보호 효과)

  • Yoo, Seul Ki;Park, Seon Kyeong;Kim, Jong Min;Kang, Jin Yong;Park, Su Bin;Han, Hye Ju;Kim, Chul-Wo;Lee, Uk;Heo, Ho Jin
    • Korean Journal of Food Science and Technology
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    • v.50 no.5
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    • pp.517-527
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    • 2018
  • The current study investigated in vitro anti-diabetic and neuroprotective effects of the ethyl acetate fraction in Actinidia arguta sprouts (EFAS), on $H_2O_2$ and high glucose-induced cytotoxicity in human neuroblastoma MC-IXC cells. EFAS had high total phenolic and total flavonoid contents. An assessment of 2,2'-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) radical scavenging activity of EFAS, as well as its potential for inhibiting malondialdehyde production, indicated that EFAS may possess significant antioxidant properties. EFAS exerted inhibitory effects on ${\alpha}-glucosidase$ via glycemic regulation which forms advanced glycation end products. In addition, EFAS exhibited significant acetylcholinesterase inhibitory effects. Moreover, EFAS displayed protective effects against $H_2O_2$ and high glucose-induced cell death, and inhibited the generation of reactive oxygen species in MC-IXC cells. Finally, the main physiological compound of EFAS was identified via high performance liquid chromatography as a rutin.

Neuronal Cell Protective Effect of Dendropanax morbifera Extract against High Glucose-Induced Oxidative Stress (High Glucose로 유도된 산화 스트레스에 대한 황칠나무 잎 추출물의 뇌신경세포 보호 효과)

  • Kim, Jong Min;Park, Seon Kyeong;Guo, Tian Jiao;Kang, Jin Yong;Ha, Jeong Su;Lee, Du Sang;Kwon, O-Jun;Lee, Uk;Heo, Ho Jin
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.45 no.7
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    • pp.938-947
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    • 2016
  • Antioxidant activities and neuroprotective effects of ethyl acetate fraction from Dendropanax morbifera (EFDM) against high glucose-induced oxidative stress and neurotoxicity were investigated to confirm their physiological activities. An 80% ethanolic extract of D. morbifera showed the highest contents of total phenolic compounds as well as 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) and 1,1-diphenyl-2-picrylhydrazyl radical scavenging activities. The extract was fractionated using several solvents, and the ethyl acetate fraction showed the highest activities in ferric reducing/antioxidant power and malondialdehyde inhibitory assays. To evaluate the neuroprotective effect based on antioxidant activities, cell viability was assessed using PC12 and MC-IXC cells in $H_2O_2$- and high glucose-induced cytotoxic assays, respectively. EFDM evidently showed neuroprotective effects in all cells (neuron-like PC12 cells and human brain-originated neuroblastoma MC-IXC cells). Inhibitory effect of the extract on acetylcholinesterase (AChE) as an acetylcholine-hydrolyzing enzyme was performed to examine the effect on cognitive function. EFDM presented an AChE inhibitory effect. Finally, high-performance liquid chromatography analysis showed that the major phenolic compound of EFDM is probably a rutin.

Protective effect of Codium fragile extract on fine dust (PM2.5)-induced toxicity in nasal cavity, lung, and brain cells (미세먼지(PM2.5)로 유도된 세포(비강, 폐, 뇌)독성에 대한 청각(Codium fragile)의 보호효과)

  • Kim, Gil Han;Park, Seon Kyeong;Kang, Jin Yong;Kim, Jong Min;Shin, Eun Jin;Moon, Jong Hyeon;Kim, Min Ji;Lee, Hyo Lim;Jeong, Hye Rin;Heo, Ho Jin
    • Korean Journal of Food Science and Technology
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    • v.53 no.2
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    • pp.223-229
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    • 2021
  • To evaluate the protective effect of Codium fragile on fine dust (PM2.5)-induced cytotoxicity, we investigated its antioxidant activity and cell protective effect on PM2.5-exposed cells. The 40% ethanolic extract of C. fragile showed the highest total phenolic content, whereas the water extract of C. fragile showed the highest total polysaccharide content. The protective effect of the extracts on PM2.5-induced oxidative damage in nasal cavity (RPMI2650), lung (A549), brain (MC-IXC), hippocampus (HT-22), and microglia (BV-2) cells was evaluated by measuring the intracellular reactive oxygen species (ROS) content and cell viability. The results showed that the 40% ethanolic extract more efficiently inhibited ROS production than the water extract. In contrast, PM2.5-exposed cells treated with the water extract showed higher viability than those treated with the 40% ethanolic extract.

Cellular protective effect of Ecklonia cava extract on ultra-fine dust (PM2.5)-induced cytoxicity (초미세먼지(PM2.5)로 유도된 in vitro 세포 독성에 대한 감태(Ecklonia cava) 추출물의 보호 효과)

  • Park, Seon Kyeong;Kang, Jin Yong;Kim, Jong Min;Yoo, Seul Ki;Han, Hye Ju;Shin, Eun Jin;Heo, Ho Jin
    • Korean Journal of Food Science and Technology
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    • v.51 no.5
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    • pp.503-508
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    • 2019
  • To evaluate the protective effect of Ecklonia cava on ultra-fine dust ($PM_{2.5}$)-induced cytotoxicity, we investigated the in vitro antioxidant activity and cell viability after exposure to $PM_{2.5}$. E. cava was extracted using water and 80% ethanol, and antioxidant activity was determined using the 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS)/2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging and lipid peroxidation inhibition assays. The 80% ethanol extract showed relatively higher antioxidant activity than the water extract. The cell protective effects were determined by measuring the intracellular reactive oxygen species (ROS) content and viability of nasal epithelial (RPMI-2650), lung epithelial (A549), and brain neuroblastoma (MC-IXC) cells. Results showed that the 80% ethanol extract inhibited ROS production more than the water extract. In contrast, both extracts showed similar effects on cell viability in the $PM_{2.5}$-induced cell death assay. Thus, Ecklonia cava may act as an effective resource for preventing $PM_{2.5}$-induced cytotoxicity in nasal, lung, and brain cells.

Nutritional composition, antioxidant capacity, and brain neuronal cell protective effect of cultivars of dried persimmon (Diospyros kaki) (품종별 곶감(Diospyros kaki)의 영양성분 분석, 산화방지 효과 및 뇌 신경세포 보호효과)

  • Kim, Jong Min;Park, Seon Kyeong;Kang, Jin Yong;Park, Sang Hyun;Park, Su Bin;Yoo, Seul Ki;Han, Hye Ju;Lee, Su-Gwang;Lee, Uk;Heo, Ho Jin
    • Korean Journal of Food Science and Technology
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    • v.50 no.2
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    • pp.225-237
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    • 2018
  • This study was conducted to compare nutritional analysis and neuroprotective effect of 5 cultivars of Diospyros kaki (Dungsi, Godongsi, Gojongsi, Gabjubaekmok, and Bansi). In nutritional analysis, three free sugars: sucrose, glucose, and fructose, and six fatty acids: tartaric acid, hexadecanoic acid, palmitic acid, oleic acid, octadecenamide, and octadecane, were detected. Potassium and phosphorus levels were the highest in inorganic component analysis, and glutamic acid and aspartic acid were the highest contents in amino acid analysis. Vitamin C was detected in all cultivars. Total phenolic content was the highest in Dungsi. Antioxidant activities such as ABTS (3-ethylbenzothiazoline-6-sulfonic acid), DPPH (1,1-diphenyl-2-picrylhydrazyl) radical scavenging activities, FRAP (ferric reducing/antioxidant power), and MDA (malondialdehyde) inhibitory effect were the highest in Gabjubaekmok. Acetylcholinesterase inhibitory activity, cell viability, intracellular reactive oxygen species (ROS) accumulation, and lactate dehydrogenase (LDH) release were measured to confirm the neuroprotective effect in MC-IXC cells. Gabjubaekmok showed significant acetylcholinesterase (AChE) inhibition and neuroprotection.

Protective effect of Gabjubaekmok (Diospyros kaki) extract against amyloid beta (Aβ)-induced cognitive impairment in a mouse model (아밀로이드 베타(amyloid beta)로 유도된 인지장애 마우스 모델에서 갑주백목(Diospyros kaki) 추출물의 인지기능 및 뇌 신경세포 보호 효과)

  • Yoo, Seul Ki;Kim, Jong Min;Park, Seon Kyeong;Kang, Jin Yong;Han, Hye Ju;Park, Hyo Won;Kim, Chul-Woo;Lee, Uk;Heo, Ho Jin
    • Korean Journal of Food Science and Technology
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    • v.51 no.4
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    • pp.379-392
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    • 2019
  • The current study investigated the effect of Gabjubaekmok (Diospyros kaki) ethanolic extract (GEE) on $H_2O_2$-induced human neuroblastoma MC-IXC cells and amyloid beta $(A{\beta})_{1-42}$-induced ICR (Institute of Cancer Research) mice. GEE showed significant antioxidant activity that was evaluated based on ABTS, DPPH scavenging activity, and inhibition of malondialdehyde (MDA) and acetylcholinesterase activity. Further, GEE inhibited ROS production and increased cell viability in $H_2O_2$-induced MC-IXC cells. Administration of GEE ameliorated the cognitive dysfunction on $A{\beta}$-induced ICR mice as evaluated using Y-maze, passive avoidance, and Morris water maze tests. Results of ex vivo test using brain tissues showed that, GEE protected the cholinergic system and mitochondrial functions by increasing the levels of antioxidants such as ROS, mitochondrial membrane potential (MMP), and adenosine triphosphate (ATP) against $A{\beta}$-induced cognitive dysfunction. Moreover, GEE decreasd the expression levels of apoptosis-related proteins such as $TNF-{\alpha}$, p-JNK, p-tau, BAX and caspase 3. While, expression levels of p-Akt and $p-GSK3{\beta}$ increased than $A{\beta}$ group. Finally, gallic acid was identified as the main compound of GEE using high performance liquid chromatography.

Protective effect of Eucommia ulmoides oliver leaves against PM2.5-induced oxidative stress in neuronal cells in vitro (미세먼지(PM2.5)로 유도된 산화적 스트레스에 대한 두충(Eucommia ulmoides Oliver) 잎의 in vitro 뇌 신경세포 보호 효과)

  • Kim, Min Ji;Kang, Jin Yong;Park, Seon Kyeong;Kim, Jong Min;Moon, Jong Hyun;Kim, Gil Han;Lee, Hyo Lim;Jeong, Hye Rin;Heo, Ho Jin
    • Korean Journal of Food Science and Technology
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    • v.53 no.4
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    • pp.423-433
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    • 2021
  • This study was performed to examine the neuroprotective effect of the ethyl acetate fraction from Eucommia ulmoides oliver leaf (EFEL) on PM2.5-induced cytotoxicity. EFEL had higher total phenolic and flavonoid contents than the other fractions. In ABTS and DPPH radical scavenging activities, the IC50 of EFEL was measured as 212.80 and 359.13 ㎍/mL, respectively. To investigate the neuroprotective effect of EFEL, MTT and DCF-DA assays were performed on HT22, MC-IXC, and BV-2 cells. EFEL effectively decreased PM2.5-induced intercellular reactive oxygen species (ROS) content and inhibited PM2.5-induced cell death. In the results of protein expression related to cellular cytotoxicity on microglial cells (BV-2), EFEL had an improvement effect on cell apoptosis and inflammatory pathways. Rutin and chlorogenic acid were identified as the main physiological compounds. Moreover, it was expected that EFEL, including rutin and chlorogenic acid, could be functional food substances with neuroprotective effects against PM2.5-induced oxidative stress.

Industrial potential of domestic Zanthoxylum piperitum and Zanthoxylum schinifolium: Protective effect of both extracts on high glucose-induced neurotoxicity (국내산 초피와 산초의 산업적 활용 가능성: 고당으로 유도된 뇌신경세포 독성에 대한 추출물의 보호 효과)

  • Han, Hye Ju;Park, Seon Kyeong;Kim, Min Ji;An, Jun Woo;Lee, Se Jin;Kang, Jin Yong;Kim, Jong Min;Heo, Ho Jin
    • Korean Journal of Food Science and Technology
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    • v.52 no.3
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    • pp.274-283
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    • 2020
  • This study focused on the in vitro investigation of antioxidant and anti-diabetic activities, along with neuroprotection against high glucose-induced cytotoxicity, in order to evaluate the physiological effects of Zanthoxylum piperitum and Zanthoxylum schinifolium. The highest total phenolic content was measured in the 40% ethanolic extracts of Zanthoxylum piperitum (EZP) and Zanthoxylum schinifolium (EZS). The in vitro EZP antioxidant activity showed a relatively higher ABTS/DPPH radical scavenging activity and malondialdehyde inhibitory effect than that of EZS. The EZP inhibited carbohydrate hydrolysis (α-glucosidase and α-amylase) more efficiently than EZS in anti-diabetic tests. However, EZS showed a more efficient inhibition of advanced glycation end-products formation than EZP. In addition, both EZP and EZS effectively protected human-derived neuronal cells from high glucose-induced cytotoxicity. Finally, the physiological compounds were analyzed using UPLC IMS-QTOF/MSE, and the main EZP (quercetin-3-O-glucoside and 3-caffeoylquinic acid) and EZS (5-caffeoylquinic acid) compounds were identified as phenolic compounds.