• 제목/요약/키워드: Benzo(a)pyrene (B(a)P)

검색결과 127건 처리시간 0.031초

Changes in Differentially Expressed Genes in the Liver of Oryzias latipes by Binary Exposure to Carcinogenic Polycyclic Aromatic Hydrocarbons

  • Oh, Jeong-Hwan;Moon, Hyo-Bang;Choe, Eun-Sang
    • 환경생물
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    • 제27권4호
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    • pp.391-396
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    • 2009
  • The biological effects of carcinogenic polycyclic aromatic hydrocarbons (cPAHs) including benzo[a]pyrene (BaP), dibenzo[a,h]anthracene (DBA), benzo[a]anthracene (BaA), benzo[b] fluoranthene (BbF), benzo[k]fluoranthene (BkF), and indeno[1,2,3-c, d]pyrene (InP) on transcriptomic changes were determined in the liver of Oryzias latipes. Differentially expressed genes (DEGs) by binary exposure to cPAHs (BaP+BaA, BaP+BbF, BaP+BkF, BaP+DbA, BaP+InP) were screened by annealing control primers-based polymerase chain reaction followed by sequence analysis and BLAST searching. The results showed that four DEGs were commonly expressed by cPAHs and they were identified as ribosomal protein S4, coagulation factor II, elongation factor 1 beta, and a predicted protein similar to human immunodeficiency virus type I enhancer binding protein 3. This finding suggests that binary exposure to cPAHs interferes protein synthesis required for fundamental liver functions in fish.

인삼 지용성성분인 유전독성억제효과와 작용기전 (Antigenotoxicity of Ginseng Petroleum Ether Extract and its Action Mechanism)

  • 허문영
    • 한국식품위생안전성학회지
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    • 제13권3호
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    • pp.243-251
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    • 1998
  • 백삼(Pampx ginseng C.A. Meyer, 4년근)을 가루로 한 다음 petroleum ether로 24시간 추출 후 감압 농축시켜 인삼 석유에텔추출물(GPE)로 하였다. 이때 GPE의 수율은 평균 2.24%였다. 또한 GPE를 petroleum ether 소량에 녹이고 petroleum ether:ether 용매계열로 silicagel column chromatography에 의한 partition을 실시하여 P1, P2, P3 , P4, P5의 5개의 분획을 얻었다. 본 실험에서는 소핵생성 물질인 N-methyl-N-nitrosourea(MNU) 및 benzo(a) pyrene[B(a)P]를 이용하여 소핵생성억제실험을 하였따. 상기의 5가지 분획 중에서 MNU에 대해서는 GPE, P1, P2에서 억제효과가 나타났다. 한편, B(a)P에 대해서는 GPE, P1, P2, P3 , P4, P5 모두에게 억제효과를 나타내었다. 그러나 여러 가지 활성을 보인 분획 중에서 여러 가지 양성대조물질들에 대해서 가장 두드러져 보이는 것은 P2였다. P2는 MNU, B(a)P 모두에 대해서 GPE와 유사한 억제경향을 보이면서 억제활성은 크게 나타난T다. EK라서 P2가 GPE가 보이는 소핵생성억제효과에 깊은 관련이 있는 물질로 판단되었다. 이와 같은 유전독성억제효과의 작용기전을 알기 위하여 B(a)P의 대사에 미치는 영향을 연구한 결과 GPE와 P2는 S-9 mix에 의해 유도된 B(a)P 대사를 억제시켰으며, DNA-B(a)P binding도 감소시켰다. 한편, MNU에 의한 DNA binding 과 O6-methyl guanine 및 7-methyl guanine 생성에 있어서도 억제적인 경향을 나타내었다. 따라서 GPE와 P2는 B(a)P와 같은 2차 발암 물질과 MNU와 같은 알킬화제에 의한 유전독성을 활성대사억제 및 methylation 억제 , DNA binding 억제 등의 기전으로 감소시키고 있는 것으로 판단되었다. 한편, 소핵생성억제 효과에서 가장 활성이 좋았던 P2를 NMR과 GC/MS결과, aliphatic ketone류의 혼합물로서 주성분은 분질량 330과 386의 두 개 물질이 함유되어 있는 혼합물이었으며 향후 계속적으로 분리 동정이 필요한 물질이다.

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Anticancer Effects of Thymoquinone, Caffeic Acid Phenethyl Ester and Resveratrol on A549 Non-small Cell Lung Cancer Cells Exposed to Benzo(a)pyrene

  • Ulasli, Sevinc Sarinc;Celik, Sefa;Gunay, Ersin;Ozdemir, Mehmet;Hazman, Omer;Ozyurek, Arzu;Koyuncu, Tulay;Unlu, Mehmet
    • Asian Pacific Journal of Cancer Prevention
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    • 제14권10호
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    • pp.6159-6164
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    • 2013
  • Background: Phytochemical compounds are emerging as a new generation of anticancer agents with limited toxicity in cancer patients. The purpose of this study was to investigate the potential effcts of thymoquinone, caffeic acid phenylester (CAPE) and resveratrol on inflammatory markers, oxidative stress parameters, mRNA expression levels of proteins and survival of lung cancer cells in Vitro. Materials and Methods: The A549 cell line was treated with benzo(a)pyrene, benzo(a)pyrene plus caffeic acid phenylester (CAPE), benzo(a)pyrene plus resveratrol (RES), and benzo(a)pyrene plus thymoquinone (TQ). Inflammatory markers, oxidative stress parameters, mRNA expression levels of apoptotic and anti-apoptotic proteins and cell viability were assessed and results were compared among study groups. Results: TQ treatment up-regulated Bax and down-regulated Bcl2 proteins and increased the Bax/Bcl2 ratio. CAPE and TQ also up-regulated Bax expression. RES and TQ down-regulated the expression of Bcl-2. All three agents decreased the expression of cyclin D and increased the expression of p21. However, the most significant up-regulation of p21 expression was observed in TQ treated cells. CAPE, RES and TQ up-regulated TRAIL receptor 1 and 2 expression. RES and TQ down-regulated the expression of NF-kappa B and IKK1. Viability of CAPE, RES and TQ treated cells was found to be significantly decreased when compared with the control group (p=0.004). Conclusions: Our results revealed up-regulation of the key upstream signaling factors, which ultimately cause increase in their regulatory p53 levels affecting the induction of G2/M cell cycle arrest and apoptosis. Overall these results provide mechanistic insights for understanding the molecular basis and utility of the anti-tumor activity of TQ, RES and CAPE.

In vivo Supravital Staining Micronucleus Test에 의한 $\beta$-Carotene과 Galangin의 소핵생성억제효과 (Anticlastogenicity of $\beta$-Carotene and Galangin using in vivo Supravital Staining Micronucleus Test)

  • 허문영;김정한;류재천
    • 한국환경성돌연변이발암원학회지
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    • 제17권2호
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    • pp.92-96
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    • 1997
  • The micronucleus test using peripheral blood reticulocytes (RETs) was evaluated in ICR mice treated with N-methyI-N-nitrosourea (MNU) and benzo(a)pyrene [B(a)P] as model clastogens. The frequency of micronucleated reticulocytes (MNRETs) in both positive compounds was similar to other results which were reported previously. On the other hand, an anticlastogenic effect of the natural antioxidant, $\beta$-carotene and one of taroholds, galangin as model anticlastogens were investigated using simultaneous treatment. Mice were treated with a model clastogen alone, or with a model clastogen and a model anficlastogen simultaneously. Both $\beta$-carotene and galangin showed anticlastogenic effects against MNU- or B(a)P-induced micronuclei in mice. However, galangin has stronger activity than $\beta$-carotene. Results from our experiment suggest that the in vivo supravital staining micronucleus test using peripheral blood is useful in the evaluation of clastogenic and anticlastogenic effects.

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Characteristics of Acetone Enhancement of Microsomal Cytochrome P45O-dependent B(a)P Hydroxylation in 3-Methylcholanthrene-inducible Rat Liver Microsomes

  • Lee, Dong-Wook;Moon, Ja-Young;Lim, Heung-Bin;Sohn, Hyung-Ok;Lee, Young-Gu;Park, Ki-Hyun
    • 한국연초학회지
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    • 제20권2호
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    • pp.178-182
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    • 1998
  • Previously, we showed that acetone enhanced aryl hydrocarbon hydroxylase (AHH) activity in only 3-methylcholanthrene (MC)- or $\beta$-naphtoflavone (BNF)-inducible microsomes of rat liver. In the present study, the possible mechanism underlying acetone action on AHH was investigated in the liver microsomes from MC-pretreated rats. Other n-alkylketones except acetone did not increase AHH activity, which rather decreased significantly with the length of alkyl side chain. Acetone had no effect on the activity of NADPH-cytochrome P450 reductase or inhibited the formation of 3-OH benzo(a)pyrene (B(a)P) in nonenzymatic model ascorbic acid system. However, in cumene hydroperoxide (CuOOH)-supported B(a)P hydroxylation, acetone enhanced its velocity remarkably by 30% at the optimal concentration (30 $\mu$M CuOOH and 1.0% acetone). From these results, we conclude that acetone may facilitate the formation of an activated oxygen species or the insertion of oxygen into B(a)P molecule in CYP1A rich microsomes.

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Benzo[a]pyrene의 변이원성에대한 인진쑥 물 추출물의 항돌연변이 효과 (Desmutagenic Effect of Water Extract from Artemisia capillaris THUNB on the Mutagenicity of Benzo[a]pyrene)

  • 안병용
    • KSBB Journal
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    • 제15권4호
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    • pp.331-336
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    • 2000
  • 여름과 가을에 수확한 연진쑥을 열수 빛 에탄올로 추출하 여 B(a)P의 변이원성에 대한 억제효과를 SOS Chromotest로 시험한 결과 여름에 수확한 시료의 물 추출물에서 강한 억제 효과를 나타내었다. 따라서 에탄올 가용성 분획과 불용성 분 획으로 분리하였으며 분획별 돌연변이 억제효과는 불용성 분 획에서 더 높게 나타났다. 불용성 분획은 SOS Chromotest외 A Ames test에서 정확한 용량의존성 억제효과를 나타내었고, 50% 돌연변이 억제농도 $(IC_{50}$는 E. coli PQ37에 대하여는 $200{\mu}g/assay$, S. typhimurium TA98에 대하여는 $800{\mu}b/plate$ TAIOO에서는 $600{\mu}g/plate$이었다. 그러나 세포내.외 항돌연변이 효과를 비교한 결과 세포내 항돌연변이 효과는 나타내지 않았다 따라서 인진쑥 물 추출물의 돌연변이 억제효과는 d desmutagenic effect에 의한 것으로 확인되었다 HPLC를 사용 하여, B(a)P의 변이원성에 주된 효소인 cytochrome P-4S0 1A1에 의해 대사되어지는 aflatoxin Mj 농도를 측정한 결 과 AFM1의 형성이 크게 감소되었다. B(a)P의 변이원성에 대 한 인진쑥 불추출물의 항돌연변이 효과는 아마도 B(a)P를 ultimate mutagen으로 대사시키는 cytochrome P-4S0 1A1 효소계를 저해하여 나타나는 것으로 해석된다.

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The High Performance Liquid Chromatography (HPLC) Analysis of Polycyclic Aromatic Hydrocarbons (PAHs) in Oysters from the Intertidal and Subtidal Zones of Chinhae Bay, Korea

  • Lee Ki Seok;Noh Il;Lim Cheol Soo;Chu Su Dong
    • Environmental Sciences Bulletin of The Korean Environmental Sciences Society
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    • 제2권1호
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    • pp.57-68
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    • 1998
  • Polycyclic aromatic hydrocarbons (PAMs) are ubiquitous contaminants in marine environments. PAMs enter estuarine and nearshore marine environment via several routes such as combustion of fossil fuels, domestic and industrial effluents and oil spills. PAHs have been the focus of numerous studies in the world because they are potentially carcinogenic, mutagenic, and teratogenic to aquatic organisms and humans from consuming contaminated food. However, one can hardly find any available data on PAM content in marine organisms in Korea. The present study was carried out in order to determine PAM content in oysters from the intertidal and subtidal zones of Chinhae Bay, which is located in near urban communities and an industrial complex, and the bay is considered to be a major repositories of PAHs. 16 PAHs were analyzed by High Performance Liquid Chromatography (HPLC) with uv/vis and fluorescence detectors in oysters: they are naphthalene (NPTHL), acenaphthylene (ANCPL), acenaphthylene (ACNPN), fluorene (FLURN), phenanthrene (PHEN), anthracene (ANTHR), fluoranthene (FLRTH), pyrene (PYR), benzo(a)anthracene (BaA), chrysene (CHRY), benzo(b)fluoranthene (BbF), benzo(k)fluoranthene (BkF), benzo(a)pyrene (BaP), dibenz(a,h)anthracene(DahA), benzo(g,h,i)peryne (BghiP) and indeno(1,2,3,-cd)pyrene (I123cdP). The PAM contents in oysters from the intertidal and subtidal zones of Chinhae Bay ranged from < 0.1 to 992.0 ug/kg (mean $69.8\pm9.8$ ug/kg).

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옥수수 기름의 제조공정별 벤조피렌 함량 변화 (Changes in Benzo(a)pyrene Content During Processing of Corn Oil)

  • 김덕숙;이근보
    • 한국식품저장유통학회지
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    • 제16권1호
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    • pp.75-81
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    • 2009
  • 옥수수기름의 제조공정 단계별 공정유 및 이 과정에서 발생되는 부산물에 함유되어 있는 B(a)P 함량을 측정하고 이의 제거방안에 대하여 연구하였다. 옥수수기름에서 높은 수준의 B(a)P가 검출되는 원인은 옥수수에 함유되어 있는 B(a)P의 80% 이상이 옥수수 배아에 집중적으로 분포하는데 따른 현상이었다. 이로부터 얻어진 원유를 일반적인 정제공정을 거칠 경우 최종 탈취유에서는 $2.15{\mu}g$/kg가 검출 되었다. 따라서, 옥수수기름에서 일반적인 정제공정에 의해서는 현행 우리나라의 식용유 중 B(a)P 함유량 $2.0{\mu}g$/kg 이하의 법적 규격을 충족시키기 어려움을 쉽게 알 수 있었다. 이에 탈색공정에서 사용하는 2%(w/w) 내외의 산성백토 대신 산성백토:활성탄소=90:10(w/w)의 혼합분을 처리하여 $0.09{\mu}g$/kg 수준의 탈취유를 얻을 수 있었다. 이 때, 활성탄소의 처리량은 산성백토 대비 10% (w/w) 수준이 적정하였으며, 이의 증가에 따른 B(a)P 제거율 증가는 기대하기 어려웠다. 처리하는 활성탄소의 입도가 B(a)P 제거에 미치는 영향이 컸는데, $50{\sim}100$ mesh 수준의 입도를 갖는 것이 최적의 조건임을 확인하였다.

The High Performance Liquid Chromatography (HPLC) Analysis of Polycyclic Aromatic Hydrocarbons (PAHs) in Oysters from the Intertidal and Subtidal Zones of Chinhae Bay, Korea

  • Ki Seok Lee;11
    • 한국환경과학회지
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    • 제2권1호
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    • pp.57-68
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    • 1993
  • Polycyclic aromatic hydrocarbons (PAMs) are ubiquitous contaminants in marine environments. PAHs enter estuarine and nearshore marine environment via several routes such as combustion of fossil fuels, domestic and industrial effluents and oil spills PAHs have been the focus of numerous studies in the world because they owe potentially carcinogenic, mutagenic, and teratogenic to aquatic organisms and humans from consuming contaminated food. However, one can hardly find any available data on PAM content in marine organisms in Korea. The present study was carried out in order to determine PAH content in oysters from the intertidal and subtidal zones of Chinhae Bay, which is located in near urban communities and an industrial complex, and the bay is considered to be a major repositories of PAHs. 16 PAHs were analyzed by High Performance Liquid Chromatography (HPLC) with uv/vis and fluorescence detectors in oysters: they are naphthalene (NPTHL), acenaphthylene (ANCPL), acenaphthene (ACNPN), fluorene (FLURN), phenanthrene (PKEN), anthracene (ANTHR), fluoranthene (FLRTH), pyrene (PYRf), benzo(a)anthracene (BaA), chrysene (CHRY), benzo(b)- fluoranthene (BbF), benzo(k)fluoranthene (BkF), benzo(a)pyrene (BaP), dibenz(a, h)anthracene (DhA), benzo(g, h, i)peryne (Bghip) and indeno(1, 2, 3, -cd)pyrene (I123cdP). The PAH contents in oysters from the intertidal and subtidal zones of Chinhae Bay ranged from < 0.1 to 992.0 $\mu\textrm{g}$/kg (mean 69.8 $\pm$ 9.8 $\mu\textrm{g}$/kg). Key words . polycyclic aromatic hydrocarbon, high performance liquid chromatography, oyster, Chinhae Bay.

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벤조피렌 유발 마우스에서 싸리버섯 메탄올 추출물의 간 독성 억제효과 및 사이토크롬 P-450 1A1 Isozyme의 발현에 미치는 영향 (Effect of Ramaria botrytis Methanol Extract on Hepatotoxicity in Benzo(α) Pyrene-treated Mice and Expression of Cytochrome P-450 1A1 Isozyme)

  • 김현정;이인선;배준태;김옥미;박선희;장종선;박준홍;이갑랑
    • 한국균학회지
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    • 제31권1호
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    • pp.34-39
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    • 2003
  • 싸리버섯 메탄올 추출물이 간독성 물질인 B$({\alpha})$P을 투여한 마우스에서 간 손상 억제 효과 및 cytochrome P-450 1A1 발현에 미치는 영향을 살펴보았다. B$({\alpha})$P 투여로 인한 혈청 ALT와 AST의 활성, 간 조직증의 lipid peroxide 함량, cytochrome P-450 함량, AD 및 AH 활성이 유의적으로 증가하였으며 싸리버섯 메탄올 추출물의 투여시 이들 활성 및 함량이 유의적으로 감소하였다. 반면, 간 조직중의 GSH 함량, GST, r-glutamylcysteine synthetase의 활성은 B$({\alpha})$P만 투여한 군에 비해 싸리버섯 메탄올 추출물을 투여시 증가하였다. 또한 immuno blotting 결과로부터 B$({\alpha})$P 투여에 의해 현저히 증가되었던 cytochrome P-450 1A1 isozyme 단백질 함량이 싸리버섯 메탄올 추출물의 투여로 감소됨을 확인하였다. 이와 같은 결과로부터 싸리버섯 메탄올 추출물은 B$({\alpha})$P에 의한 간 손상에 대한 보호 효과가 있는 것으로 사료된다.