Korean Journal of Clinical Laboratory Science (대한임상검사과학회지)

Korean Society for Clinical Laboratory Science (대한임상검사과학회)
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Antioxidative Effect of Phrymaleptostachyavar. Asiatica HARA Extract on the Neurotoxicity of Aluminum Sulfate, Environmental Pollutant

환경오염물질인 황산알루미늄의 신경독성에 대한 파리풀 추출물의 항산화 효과

  • Yoo, Sun-Mi (Department of Public Health, Graduate School of Wonkwang University) ;
  • Lee, Jun-Hee (Department of Emergency Medicine, Sanbon Hospital, Wonkwang University College of Medicine)
  • 유선미 (원광대학교 대학원 보건학과) ;
  • 이준희 (원광대학교 의과대학 산본병원 응급의학과)
  • Received : 2019.05.02
  • Accepted : 2019.05.22
  • Published : 2019.06.30
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Abstract

This study examined the neurotoxicity of aluminum sulfate (AS), an environmental pollutant, and the protective effect of Phrymaleptostachya var. asiatica HARA (PLVAH) extract on the neurotoxicity induced by AS in the cultured C6 glioma cells. For this study, the cell viability and antioxidative effects, such as electron donating (ED) activity, lipid peroxidation (LP) activity, and superoxide anion-radical (SAR) scavenging activity, were analyzed. AS decreased the cell viability significantly in a dose-dependent manner and the $XTT_{50}$ value was measured at $120.0{\mu}M$ of AS. The neurotoxicity of AS was determined to be mid-toxic by Borenfreund and Puerner's toxic criteria. In addition, the catalase (CAT), antioxidant enzyme remarkably increased the cell viability injured by AS-induced neurotoxicity in these cultures. Regarding the protective effect of the PLVAH extract on AS-induced neurotoxicity, PLVAH extract significantly increased the ED ability, and the inhibitory ability of the LP and SAR scavenging ability. These findings suggest that oxidative stress is involved in the cytotoxicity of AS, and the PLVAH extract effectively protected against AS-induced neurotoxicity by its antioxidative effects. Natural resources, such as the PLVAH extract may be a putative therapeutic agent for the treatment of the toxicity induced by heavy metallic compounds, such as AS correlated with the oxidative stress.

본 연구는 배양된 C6 신경교종(glioma) 세포에서 환경오염 원인 황산알루미늄에 의한 신경 독성과 파리풀(PLVAH)추출물의 AS에 의해 유도된 신경 독성에 대한 보호효과를 확인해 보았다. 이를 위해 세포생존력과 전자공여(ED)능, 지질과산화(LP) 저해능 및 과산소음이온라디칼(superoxide anion-radical, SAR) 소거능과 같은 항산화효과를 조사하였다. AS는 용량의존적으로 현저히 세포생존율을 감소시켰고 AS의 $XTT_{50}$ 값은 $120.0{\mu}M$로 측정되었다. AS의 신경 독성은 Borenfreund와 Puerner의 독성 기준에 의해 중간 독성으로 판정되었다. 또한, 항산화제인 catalase (CAT)는 AS의 신경독성에 의해 손상된 세포의 생존력을 현저히 증가시켰다. AS 유발 신경 독성에 대한 PLVAH 추출물의 보호 효과에서, PLVAH 추출물은 ED의 능력, LP의 억제 능력 및 SAR 소거능을 유의하게 증가시켰다. 이러한 결과로부터 산화 스트레스가 AS의 세포독성에 관여하고 있으며, PLVAH 추출물의 항산화 작용에 의해 AS에 의해 유도된 신경 독성을 효과적으로 보호한다는 것을 알 수 있었다. PLVAH 추출물과 같은 천연 성분은 산화스트레스를 만드는 AS와 같은 중금속 화합물로 인한 독성을 치료할 수 있는 잠재적 치료제로 가치가 있다고 사료된다.

Keywords

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