Characterization of CYP1A1 and CYP1A3 gene expression in rainbow trout ( Oncorhynchus mykiss)
The rainbow trout CYP1A1 and CYP1A3 genes share 96% amino acid identity and have similar enzymatic activity. The expression of CYP1A1 and 1A3 genes was investigated in 2,3,7,8-tetrachlorodibenzo- p-dioxin (TCDD)-treated rainbow trout tissues, sac fry and cell lines. Both CYP1A1 and CYP1A3 were induc...
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| Veröffentlicht in: | Aquatic toxicology 2000-05, Vol.49 (1), p.101-109 |
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| creator | Cao, Zhengjin Hong, Julie Peterson, Richard E Aiken, Judd M |
| description | The rainbow trout CYP1A1 and CYP1A3 genes share 96% amino acid identity and have similar enzymatic activity. The expression of CYP1A1 and 1A3 genes was investigated in 2,3,7,8-tetrachlorodibenzo-
p-dioxin (TCDD)-treated rainbow trout tissues, sac fry and cell lines. Both CYP1A1 and CYP1A3 were induced by TCDD in all the tissues examined. While CYP1A3 gene was expressed constitutively at higher levels than CYP1A1 in trout intestine, preferential expression of CYP1A1 occurred in trout liver, heart, kidney and trout sac fry. In rainbow trout gonad (RTG)-2 and rainbow trout hepatoma (RTH)-149 cell lines, CYP1A1 was constitutively expressed and induced by exposure to TCDD, but CYP1A3 message was not detected, even after TCDD treatment. Quantitative analysis of CYP1A genes expression in rainbow trout liver revealed that TCDD induced CYP1A1 expression more than 50-fold and CYP1A3 RNA levels increased at least 100-fold over untreated fish. The cell- and tissue-specific expression indicates that these closely related CYP1A genes are independently regulated and that negative regulation may play a role in CYP1A3 gene expression. |
| doi_str_mv | 10.1016/S0166-445X(99)00072-7 |
| format | Article |
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p-dioxin (TCDD)-treated rainbow trout tissues, sac fry and cell lines. Both CYP1A1 and CYP1A3 were induced by TCDD in all the tissues examined. While CYP1A3 gene was expressed constitutively at higher levels than CYP1A1 in trout intestine, preferential expression of CYP1A1 occurred in trout liver, heart, kidney and trout sac fry. In rainbow trout gonad (RTG)-2 and rainbow trout hepatoma (RTH)-149 cell lines, CYP1A1 was constitutively expressed and induced by exposure to TCDD, but CYP1A3 message was not detected, even after TCDD treatment. Quantitative analysis of CYP1A genes expression in rainbow trout liver revealed that TCDD induced CYP1A1 expression more than 50-fold and CYP1A3 RNA levels increased at least 100-fold over untreated fish. The cell- and tissue-specific expression indicates that these closely related CYP1A genes are independently regulated and that negative regulation may play a role in CYP1A3 gene expression.</description><subject>2,3,7,8-tetrachlorodibenzo- p-dioxin (TCDD)</subject><subject>Agnatha. Pisces</subject><subject>Animal, plant and microbial ecology</subject><subject>Applied ecology</subject><subject>Aryl hydrocarbon receptor (AhR)</subject><subject>Biological and medical sciences</subject><subject>CYP1A1</subject><subject>CYP1A1 gene</subject><subject>CYP1A3</subject><subject>CYP1A3 gene</subject><subject>Ecotoxicology, biological effects of pollution</subject><subject>Effects of pollution and side effects of pesticides on vertebrates</subject><subject>Environmental pollutants toxicology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Gene expression</subject><subject>Medical sciences</subject><subject>Oncorhynchus mykiss</subject><subject>Rainbow trout</subject><subject>Toxicology</subject><subject>Water</subject><issn>0166-445X</issn><issn>1879-1514</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><recordid>eNqF0cuKFDEUBuAgitOOPoKShUjPojSnKtfVMDTeYGAEFXQhIZU6ZUe7kzapUtunt3qqUVfOJsniS_JzfkIeAnsKDOSzt9MiK87Fh6UxZ4wxVVfqFlmAVqYCAfw2WfwhJ-ReKV8mxGpu7pITYBq4BrYgn1Zrl50fMIdfbggp0tTT1cc3cAHUxW4-NvQzRqT4c5exlAMKkWYXYpt-0CGncaBLehV9yut99Oux0O3-ayjl7D6507tNwQfH_ZS8f_H83epVdXn18vXq4rLyXPChAtl53vdCG2dkrQX6xndSgvPMNMroGozn0Paq5o61omnQdw5Ey4XkaHrXnJLl_O4up28jlsFuQ_G42biIaSwWtDBNLZlUE33yf6rkNEvFboZTdK4bPUExQ59TKRl7u8th6_LeArOHrux1V_ZQhDXGXndlD0keHT8Y2y12_9yay5nA4yNwxbtNn130ofx1XGqlYGLnM8Npwt8DZlt8wOixCxn9YLsUbkjyG6MErrw</recordid><startdate>20000501</startdate><enddate>20000501</enddate><creator>Cao, Zhengjin</creator><creator>Hong, Julie</creator><creator>Peterson, Richard E</creator><creator>Aiken, Judd M</creator><general>Elsevier B.V</general><general>Elsevier Science</general><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>C1K</scope><scope>SOI</scope><scope>7QH</scope><scope>7TV</scope><scope>7U7</scope><scope>7UA</scope><scope>8FD</scope><scope>F1W</scope><scope>FR3</scope><scope>H95</scope><scope>H97</scope><scope>H99</scope><scope>L.F</scope><scope>L.G</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>20000501</creationdate><title>Characterization of CYP1A1 and CYP1A3 gene expression in rainbow trout ( Oncorhynchus mykiss)</title><author>Cao, Zhengjin ; Hong, Julie ; Peterson, Richard E ; Aiken, Judd M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c454t-16dc4ff589a96285ec3cd661ac093798219c41bf724a0b533ecda15b4564e9fa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>2,3,7,8-tetrachlorodibenzo- p-dioxin (TCDD)</topic><topic>Agnatha. 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The expression of CYP1A1 and 1A3 genes was investigated in 2,3,7,8-tetrachlorodibenzo-
p-dioxin (TCDD)-treated rainbow trout tissues, sac fry and cell lines. Both CYP1A1 and CYP1A3 were induced by TCDD in all the tissues examined. While CYP1A3 gene was expressed constitutively at higher levels than CYP1A1 in trout intestine, preferential expression of CYP1A1 occurred in trout liver, heart, kidney and trout sac fry. In rainbow trout gonad (RTG)-2 and rainbow trout hepatoma (RTH)-149 cell lines, CYP1A1 was constitutively expressed and induced by exposure to TCDD, but CYP1A3 message was not detected, even after TCDD treatment. Quantitative analysis of CYP1A genes expression in rainbow trout liver revealed that TCDD induced CYP1A1 expression more than 50-fold and CYP1A3 RNA levels increased at least 100-fold over untreated fish. The cell- and tissue-specific expression indicates that these closely related CYP1A genes are independently regulated and that negative regulation may play a role in CYP1A3 gene expression.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><pmid>10814810</pmid><doi>10.1016/S0166-445X(99)00072-7</doi><tpages>9</tpages></addata></record> |
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| subjects | 2,3,7,8-tetrachlorodibenzo- p-dioxin (TCDD) Agnatha. Pisces Animal, plant and microbial ecology Applied ecology Aryl hydrocarbon receptor (AhR) Biological and medical sciences CYP1A1 CYP1A1 gene CYP1A3 CYP1A3 gene Ecotoxicology, biological effects of pollution Effects of pollution and side effects of pesticides on vertebrates Environmental pollutants toxicology Fundamental and applied biological sciences. Psychology Gene expression Medical sciences Oncorhynchus mykiss Rainbow trout Toxicology Water |
| title | Characterization of CYP1A1 and CYP1A3 gene expression in rainbow trout ( Oncorhynchus mykiss) |
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