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Park SB, Jung W, Kim H, Yu HY, Kim Y, Kim J. Esculetin has therapeutic potential via the proapoptotic signaling pathway in A253 human submandibular salivary gland tumor cells. Exp Ther Med 2022; 24:533. [PMID: 35837055 PMCID: PMC9257944 DOI: 10.3892/etm.2022.11460] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 03/16/2022] [Indexed: 11/24/2022] Open
Abstract
Esculetin is a natural lactone that is commonly derived from coumarins. According to previous experiments using human cancer cells, esculetin has potent antitumor activity; it also inhibits proliferation and induces the apoptosis of cancer cells. In the present study, the anti-proliferative effect of esculetin on the submandibular salivary gland tumor cell line, A253, was evaluated via in vitro and in vivo analyses. Furthermore, the anti-cancer effects of esculetin in A253 cells and a xenograft model of salivary gland tumors were determined using 3-(4,5-dimethylthiazol)-2,5-diphenyltetrazolium bromide and TUNEL assay, apoptosis protein array, quantitative polymerase chain reaction and western blot analysis. Esculetin (50-150 µM) was demonstrated to have an anti-proliferative effect in the A253 cell line in vitro; this observed effect was dependent on the dose and duration of treatment. Esculetin also increased the levels of Bax, cleaved caspase-3, cleaved-9 and cleaved poly (ADP-ribose) polymerase apoptosis-related proteins, and decreased the expression levels of the Bcl-2 anti-apoptotic protein. With respect to apoptosis regulation, esculetin significantly decreased the proliferation of tumor cells in a xenograft model (100 mg/kg/day) for 18 days. Overall, esculetin could be a potential oral anticancer drug against salivary gland cancer.
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Affiliation(s)
- Su-Bin Park
- Department of Oral Pathology, School of Dentistry, Jeonbuk National University, Jeonju, Jeollabuk-do 54896, Republic of Korea
| | - Woo Jung
- Department of Oral Pathology, School of Dentistry, Jeonbuk National University, Jeonju, Jeollabuk-do 54896, Republic of Korea
| | - Hyung Kim
- Department of Oral Pathology, School of Dentistry, Jeonbuk National University, Jeonju, Jeollabuk-do 54896, Republic of Korea
| | - Hwa-Young Yu
- Department of Oral Pathology, School of Dentistry, Jeonbuk National University, Jeonju, Jeollabuk-do 54896, Republic of Korea
| | - Yong Kim
- Department of Oral Pathology, School of Dentistry, Jeonbuk National University, Jeonju, Jeollabuk-do 54896, Republic of Korea
| | - Junghyun Kim
- Department of Oral Pathology, School of Dentistry, Jeonbuk National University, Jeonju, Jeollabuk-do 54896, Republic of Korea
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Arigò A, Rigano F, Russo M, Trovato E, Dugo P, Mondello L. Dietary Intake of Coumarins and Furocoumarins through Citrus Beverages: A Detailed Estimation by a HPLC-MS/MS Method Combined with the Linear Retention Index System. Foods 2021; 10:1533. [PMID: 34359404 PMCID: PMC8303230 DOI: 10.3390/foods10071533] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 06/28/2021] [Accepted: 06/29/2021] [Indexed: 11/26/2022] Open
Abstract
Official regulations concerning the maximum number of substances in food are introduced as a consequence of possible adverse effects, after oral administration. In this regard, analytical methods are necessary in order to determine specific targets. Among oxygen heterocyclic compounds (OHCs, that are furocoumarins, coumarins and polymethoxyflavones), only coumarin is subject to restriction by the Regulation (EC) No 1334/2008 of the European Parliament. Furocoumarins are known for their phototoxicity and other side effects due to their dietary intake; however, an official limit about the maximum content of these compounds in food is still missing. The lack of information about the real amount of these compounds in food is responsible for the conflicting opinions about the introduction of an official limit. The HPLC-MS/MS method here proposed, in combination with the linear retention index system, represents an innovative analytical strategy for the characterization of OHCs in citrus beverages. Several types of drinks were analysed in order to quantify 35 OHCs in total. This method is suitable for the quality control of OHCs in food and the obtained results may be considered as informative data useful for the regulatory authorities in the emission of new opinions and for a potential new regulation in this field.
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Affiliation(s)
- Adriana Arigò
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy; (A.A.); (M.R.); (P.D.); (L.M.)
| | - Francesca Rigano
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy; (A.A.); (M.R.); (P.D.); (L.M.)
| | - Marina Russo
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy; (A.A.); (M.R.); (P.D.); (L.M.)
| | - Emanuela Trovato
- Chromaleont s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98198 Messina, Italy;
| | - Paola Dugo
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy; (A.A.); (M.R.); (P.D.); (L.M.)
- Chromaleont s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98198 Messina, Italy;
- Unit of Food Science and Nutrition, Department of Medicine, University Campus Bio-Medico of Rome, 00128 Rome, Italy
| | - Luigi Mondello
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy; (A.A.); (M.R.); (P.D.); (L.M.)
- Chromaleont s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98198 Messina, Italy;
- Unit of Food Science and Nutrition, Department of Medicine, University Campus Bio-Medico of Rome, 00128 Rome, Italy
- BeSep s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy
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CHO JINHYOUNG, SHIN JAECHEON, CHO JUNGJAE, CHOI YUNGHYUN, SHIM JUNGHYUN, CHAE JUNGIL. Esculetin (6,7-dihydroxycoumarin): A potential cancer chemopreventive agent through suppression of Sp1 in oral squamous cancer cells. Int J Oncol 2014; 46:265-71. [DOI: 10.3892/ijo.2014.2700] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2014] [Accepted: 09/10/2014] [Indexed: 11/05/2022] Open
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Jose MA, Amathi R, Sathyamurthy D, Kumar BN. Chemopreventive effect of montelukast in n-nitroso n-methyl urea induced mammary carcinogenesis in female Sprague-Dawley rats. Indian J Pharmacol 2014; 45:286-8. [PMID: 23833375 PMCID: PMC3696303 DOI: 10.4103/0253-7613.111897] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2012] [Revised: 10/06/2012] [Accepted: 02/26/2013] [Indexed: 11/24/2022] Open
Abstract
Objective: The objective of the study was to evaluate the chemopreventive effect of montelukast sodium; selective reversible cysteinyl leukotriene D4-receptor antagonist in N-nitroso N-methyl urea (NMU) induced mammary carcinogenesis in virgin female Sprague-Dawley rats. Materials and Methods: Thirty rats were divided into five groups (normal control, disease control, montelukast1 mg/kg, montelukast10 mg/kg, tamoxifen10 mg/kg) of six animals each. The drug was administered in two doses,1 mg/kg,and 10 mg/kg orally and compared with the standard drug tamoxifen (10 mg/kg)p.o. Results: Montelukast sodium 1 mg/kg,10 mg/kg, and tamoxifen10 mg/kg decreased the tumor incidences by 50%,66.67%, and 83.33% and the total number of tumors in group by 41.67%, 58.33% and 91.67% respectively, when compared to the disease control. Montelukast sodium 1 mg/kg,10 mg/kg,and tamoxifen10 mg/kg decreased the average tumor burden by 86.41%,94.8% and 95.97%and average tumor volume by 89.52%, 95.84%, and 95.4%respectively, when compared to disease control group. Conclusion: The results revealed that montelukast sodium prevent the mammary carcinogenesis and confirms the role of cysteinyl leukotriene D4-receptor in mammary gland neoplasia.
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Affiliation(s)
- Manonmani Alvin Jose
- Department of Pharmacology, Swamy Vivekanandha College of Pharmacy, Tiruchengode, Tamil Nadu, India
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Esculetin enhances TRAIL-induced apoptosis through DR5 upregulation in human oral cancer SAS cells. Oral Oncol 2009; 45:1067-72. [DOI: 10.1016/j.oraloncology.2009.07.018] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2009] [Revised: 07/31/2009] [Accepted: 07/31/2009] [Indexed: 11/19/2022]
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Guo Y, Zhang X, Tan W, Miao X, Sun T, Zhao D, Lin D. Platelet 12-lipoxygenase Arg261Gln polymorphism: functional characterization and association with risk of esophageal squamous cell carcinoma in combination with COX-2 polymorphisms. Pharmacogenet Genomics 2007; 17:197-205. [PMID: 17460548 DOI: 10.1097/fpc.0b013e328010bda1] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Aberrant arachidonic acid metabolism by 12-lipoxygenase (12-LOX) and cyclooxygenase-2 (COX-2) has been implicated in human carcinogenesis. Inherited polymorphisms in 12-LOX and COX-2 contributed to differential expression or activity of these enzymes might confer interindividual susceptibility to cancer. OBJECTIVE To examine the functional significance of 12-LOX 261 Arg> Gln polymorphism and its association, alone and in combination with COX-2 -1195G > A and -765G > C polymorphisms, with risk of developing esophageal squamous cell carcinoma (ESCC). METHODS The platelet 12-LOX activity was measured by quantifying 12-HETE in the lipoxygenation reaction. Genotypes of 12-LOX261Arg>Gln and COX-2 -1195G>A and -765G>C polymorphisms were determined in a case-control study consisting of 1026 patients and 1270 controls. Associations with the risk of ESCC were estimated by logistic regression. RESULTS Subjects with the 12-LOX Gln/Gln genotype had higher platelet 12-LOX activity (mean+/-SEM nmol/mg/min) than those with the Arg/Arg genotype (0.405+/-0.047 [n=10] versus 0.136+/-0.022 [n=6]; P=0.001). Genotyping data showed that the 12-LOX Gln/Gln genotype was associated with increased risk of developing ESCC (odds ratio [OR]=1.42, 95% confidence interval [CI]=1.12-1.81), compared with the Arg/Arg genotype adjusted for sex, age, and smoking. An increased risk of ESCC was also associated with the COX-2 -1195GA (OR=1.34, 95% CI=1.08-1.68; P=0.008), -1195AA (OR=1.72, 95% CI=1.35-2.20; P=<0.001), and -765GC (OR=2.24, 95% CI=1.59-3.16; P<0.001) genotypes. Furthermore, a multiplicative interaction between the 12-LOX Gln/Gln and COX-2 -1195AA or -765GC genotype in intensifying risk of ESCC was observed, with the ORs for the presence of both 12-LOX Gln/Gln and COX-2 -1195AA or -765GC genotypes being 3.21 (95% CI=1.93-5.34) and 3.33 (95% CI=1.59-6.98). A multiplicative interaction between the -765GC genotype and smoking was also evident (OR=4.45, 95% CI=2.71-7.29). CONCLUSION These observations suggest that inherited polymorphisms in arachidonic acid-metabolizing enzymes, which result in heightened gene expression or enzymatic activity, may confer host susceptibility to ESCC.
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Affiliation(s)
- Yongli Guo
- Department of Etiology, Cancer Institute, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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Vitaglione P, Morisco F, Caporaso N, Fogliano V. Dietary antioxidant compounds and liver health. Crit Rev Food Sci Nutr 2005; 44:575-86. [PMID: 15969329 DOI: 10.1080/10408690490911701] [Citation(s) in RCA: 198] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Chronic liver damage is a widespread pathology characterized by a progressive evolution from steatosis to chronic hepatitis, fibrosis, cirrhosis, and hepatocellular carcinoma. As the oxidative stress plays a central role in liver diseases pathogenesis and progression, the use of antioxidants have been proposed as therapeutic agents, as well as drug coadjuvants, to counteract liver damage. In this work in vitro and in vivo studies, with emphasis on humans and animals experiments, have been considered and reviewed according to antioxidant typologies. Great differences emerge as far as ingested doses, bioavailability and liver ability to accumulate the various compounds. Results available up to now suggest that lycopene-rich foods could be proposed in therapeutic treatment of some liver pathologies. On the other hand contradictory results have been obtained with alpha-tocopherol, beta-carotene and trans-resveratrol. Quercetin, silymarin, esculetin and thyme and rosemary among phenolic compounds need further studies.
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Affiliation(s)
- Paola Vitaglione
- Dipartimento di Scienza degli Alimenti, Università di Napoli "Federico II" Parco Gussone-Ed. 84, Portici (NA) Italy
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Steele VE, Holmes CA, Hawk ET, Kopelovich L, Lubet RA, Crowell JA, Sigman CC, Kelloff GJ. Potential use of lipoxygenase inhibitors for cancer chemoprevention. Expert Opin Investig Drugs 2000; 9:2121-38. [PMID: 11060797 DOI: 10.1517/13543784.9.9.2121] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Increasing evidence suggests that lipoxygenase (LO)-catalysed metabolites have a profound influence on the development and progression of human cancers. Compared with normal tissues, significantly elevated levels of LO products have been found in breast tumours, colon cancers, lung, skin and prostate cancers, as well as in cells from patients with both acute and chronic leukaemias. LO-mediated products elicit diverse biological activities needed for neoplastic cell growth, influencing growth factor and transcription factor activation, oncogene induction, stimulation of tumour cell adhesion and regulation of apoptotic cell death. Agents that block LO catalytic activity may be effective in preventing cancer by interfering with signalling events needed for tumour growth. In the past ten years, pharmaceuticals agents that specifically inhibit the 5-LO metabolic pathway have been developed to treat inflammatory diseases such as asthma, arthritis and psoriasis. Some of these compounds possess anti-oxidant properties and may be effective in preventing cancer by blocking free radical-induced genetic damage or by preventing the metabolic activation of carcinogens. Other compounds may work by negatively modulating DNA synthesis. Pharmacological profiles of potential chemopreventive agents are compiled from enzyme assays, in vitro testing (e.g., cell proliferation inhibition in human cancer cells) and in vivo animal carcinogenesis models (e.g., N-methyl-N-nitrosourea-induced rat mammary cancer, benzo(a)pyrene-induced lung tumours in strain A/J mice and hormone-induced prostate tumours in rats). In this way, compounds are identified for chemoprevention trials in human subjects. Based on currently available data, it is expected that the prevention of lung and prostate cancer will be initially studied in human trials of LO inhibitors.
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Affiliation(s)
- V E Steele
- Chemopreventive Agent Development Research Group, Division of Cancer Prevention, National Cancer Institute, Bethesda, Maryland 20892, USA.
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Watanabe K, Ito A, Sato T, Saito T, Hayashi H, Niitani Y. Esculetin suppresses proteoglycan metabolism by inhibiting the production of matrix metalloproteinases in rabbit chondrocytes. Eur J Pharmacol 1999; 370:297-305. [PMID: 10334506 DOI: 10.1016/s0014-2999(99)00143-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The possible mechanism of the chondroprotective effect of 6,7-dihydroxycoumarin (esculetin) was investigated using primary cultures of rabbit articular chondrocytes. Esculetin (EST) significantly suppressed the proteoglycan depletion and the release of pulse-labeled [35S]proteoglycan from the matrix layer of rabbit chondrocytes treated with recombinant human interleukin-1alpha. The matrix metalloproteinase inhibitor, 1,10-phenanthroline, also blocked the proteoglycan depletion and [35S]proteoglycan release. From these results, it is likely that recombinant human interleukin-1alpha-induced proteoglycan depletion is mediated by matrix metalloproteinases. Although esculetin did not directly inhibit collagenolytic activity in the culture media, it significantly suppressed the production of pro-matrix metalloproteinase-1/interstitial procollagenase and pro-matrix metalloproteinase-3/prostromelysin 1, accompanied by a decrease in the steady-state levels of their mRNAs. These results suggest that esculetin is a therapeutically effective candidate for inhibition of cartilage destruction in osteoarthritis and rheumatoid arthritis.
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Affiliation(s)
- K Watanabe
- Biomedical Research Laboratories, Kureha Chemical Industry, Tokyo, Japan
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Hecht SS, Kenney PM, Wang M, Trushin N, Agarwal S, Rao AV, Upadhyaya P. Evaluation of butylated hydroxyanisole, myo-inositol, curcumin, esculetin, resveratrol and lycopene as inhibitors of benzo[a]pyrene plus 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone-induced lung tumorigenesis in A/J mice. Cancer Lett 1999; 137:123-30. [PMID: 10374832 DOI: 10.1016/s0304-3835(98)00326-7] [Citation(s) in RCA: 121] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The potential activities of butylated hydroxyanisole (BHA), myo-inositol, curcumin, esculetin, resveratrol and lycopene-enriched tomato oleoresin (LTO) as chemopreventive agents against lung tumor induction in A/J mice by the tobacco smoke carcinogens benzo[a]pyrene (BaP) and 4-(methyl-nitrosamino)-1-(3-pyridyl)-1-butanone (NNK) were evaluated. Groups of 20 A/J mice were treated weekly by gavage with a mixture of BaP and NNK (3 micromol each) for 8 weeks, then sacrificed 26 weeks after the first carcinogen treatment. Mice treated with BHA (20 or 40 micromol) by gavage 2 h before each dose of BaP and NNK had significantly reduced lung tumor multiplicity. Treatment with BHA (20 or 40 micromol) by gavage weekly or with dietary BHA (2000 ppm), curcumin (2000 ppm) or resveratrol (500 ppm) from 1 week after carcinogen treatment until termination had no effect on lung tumor multiplicity. Treatment with dietary myo-inositol (30,000 ppm) or esculetin (2000 ppm) from 1 week after carcinogen treatment until termination significantly reduced lung tumor multiplicity, with the effect of myo-inositol being significantly greater than that of esculetin. Treatment with dietary LTO (167, 1667 or 8333 ppm) from 1 week before carcinogen treatment until termination had no effect on lung tumor multiplicity. The results of this study demonstrate that BHA is an effective inhibitor of BaP plus NNK-induced lung tumorigenesis in A/J mice when administered during the period of carcinogen treatment and that, among the compounds tested, myo-inositol is most effective after carcinogen treatment.
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Affiliation(s)
- S S Hecht
- University of Minnesota Cancer Center, Minneapolis 55455, USA.
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Abstract
Results from some, but not all, epidemiological studies, and experimental investigations using animal models indicate that the level of fat in the diet, and more importantly the nature of the constituent fatty acids, influence both breast cancer risk and the progression of the established disease. High-fat diets rich in polyunsaturated omega-6 fatty acids stimulate mammary carcinogenesis and tumor progression; the long-chain omega-3 fatty acids present at high concentration in some fish oils exert inhibitory effects. Prominent among the biochemical mechanisms involved is the regulation of eicosanoid biosynthesis from dietary linoleic acid; both prostaglandins resulting from cyclooxygenase activity, and the leukotrienes and hydroxy-fatty acids produced under the influence of the lipoxygenases are involved in mammary carcinogenesis, tumor cell growth and apoptosis, angiogenesis, invasion and metastasis. A shift towards the typical high-fat Western diet, rich in omega-6 and poor in omega-3 fatty acids, may be a major factor in the increasing breast cancer incidence and mortality rates in Japanese women. Moreover, the results of the preclinical studies, together with supporting epidemiological data, suggest that a nutritional intervention comprising dietary omega-3 fatty acid supplementation and, in populations consuming a high fat diet a reduction in total fat and omega-6 fatty acid intake, may have a place not only in breast caner prevention, but as an adjunct to the surgical treatment of the breast cancer patient.
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Mollerup S, Haugen A. Differential effect of polyunsaturated fatty acids on cell proliferation during human epithelial in vitro carcinogenesis: involvement of epidermal growth factor receptor tyrosine kinase. Br J Cancer 1996; 74:613-8. [PMID: 8761379 PMCID: PMC2074662 DOI: 10.1038/bjc.1996.410] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Polyunsaturated fatty acids (PUFAs) have been implicated in tumour development and have been shown to influence cell proliferation in vitro. We report here that n-3 and n-6 PUFAs at concentration > 10 microM inhibited the proliferation of a human kidney epithelial cell line (21HKE), which has retained phenotypic characteristics of normal kidney epithelial cells. In contrast, the proliferation was stimulated by n-3 and n-6 PUFAs at concentrations < 10 microM under defined growth conditions. The stimulatory effect of n-3 and n-6 PUFAs was even more profound in the presence of EGF. In human kidney epithelial cell lines reflecting different stages of transformation (11HKE and 1THKEras), the stimulatory effect was abrogated both in the presence and absence of EGF. Saturated fatty acids did not show any stimulatory effect on cell growth. The tyrosine kinase inhibitors genistein and tyrphostin-47 inhibited EGF-induced protein tyrosine phosphorylation dose-dependently in the 21HKE cells, and abolished the growth stimulatory effect of docosahexaenoic acid (DHA). This indicates the involvement of EGF receptor tyrosine kinase activity in the observed increase in cell proliferation.
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Affiliation(s)
- S Mollerup
- Department of Toxicology, National Institute of Occupational Health, Oslo, Norway
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Edenharder R, Speth C, Decker M, Kolodziej H, Kayser O, Platt KL. Inhibition of mutagenesis of 2-amino-3-methylimidazo[4,5-f]quinoline (IQ) by coumarins and furanocoumarins, chromanones and furanochromanones. Mutat Res 1995; 345:57-71. [PMID: 8524356 DOI: 10.1016/0165-1218(95)90070-5] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- R Edenharder
- Institute of Medical Microbiology and Hygiene, Department of Hygiene, Mainz, Germany
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