A new class of apolar ecdysteroid conjugates: esters of 20-hydroxy-ecdysone with long-chain fatty acids in ticks

References

• Koolman , J. 1982 . Ecdysone metabolism . Insect Biochem. , 12 : 225 – 250 .
   Google Scholar
• Lafont , R. and Koolman , J. 1984 . “ Ecdysone metabolism ” . In Biosynthesis, Metabolism and Mode of Action of Invertebrate Hormones , Edited by: Hoffmann , J. A. and Porchet , M. Heidelberg : Springer-Verlag . in press
   Google Scholar
• Sail , C. , Tsoupras , G. , Kappler , C. , Lagueux , M. , Zachary , D. , Luu , B. and Hoffmann , J. 1983 . Fate of maternal conjugated ecdysteroids during embryonic development in Locusta migratoria . J. Insect Physiol. , 29 : 491 – 507 .
   Google Scholar
• Isaac , E. R. , Sweeney , F. P. and Rees , H. H. 1983 . Enzymic hydrolysis of ecdysteroid phosphate during embryogenesis in the desert locust (Schistocerca gregaria) . Biochem. Soc. Trans. , 11 : 380 – 381 .
   Google Scholar
• Bouvier , J. , Diehl , P. A. and Morici , M. 1982 . Ecdysone metabolism in the tick Ornithodoros moubata (Argasidae, Ixodoidea) . Rev. Suisse Zool. , 89 : 967 – 976 .
   Google Scholar
• Connat , J. L. , Diehl , P. A. and Morici , M. 1984 . Metabolism of ecdysteroids during the vitellogenesis of the tick Ornithodoros moubata (Ixodoidea, Argasidae): accumulation of apolar metabolites in the eggs . Gen. Comp. Endocrinol. , 56 : 100 – 110 .
   PubMed Web of Science ®Google Scholar
• Carreau , J. P. and Dubacq , J. P. 1978 . Adaptation of a macroscale method to the micro-scale for fatty acid methyl transesterification of biological lipid extracts . J. Chromatog. , 151 : 384 – 390 .
   Web of Science ®Google Scholar
• Lafont , R. , Beydon , P. , Mauchamp , B. , Somme-Martin , G. , Andrianjafintrimo , M. and Krien , P. 1981 . “ Recent progress in ecdysteroid analytical methods ” . In Regulation of Insect Development and Behaviour , Edited by: Sehnal , F. , Zabza , A. , Menn , J. J. and Cymborowsky , B. 125 – 144 . Technical University of Wroclaw Press .
   Google Scholar
• Koolman , J. , Reum , L. and Karlson , P. 1979 . 26-Hydroxyecdysone, 20,26-dihydroxyecdysone and in- okosterone detected as metabolites of ecdysone in the blowfly Calliphora vicina by radiotracer experiments . Hoppe-Seylers Z. Physiol. Chem. , 360 : 1351 – 1355 .
   Google Scholar
• Hetru , C. and Horn , D. H.S. 1980 . “ Phytoecdysteroids and zooecdysteroids ” . In Progress in Ecdysone Research , Edited by: Hoffmann , J. A. 13 – 28 . Amsterdam, New York, Oxford : Elsevier/North-Holland Biomedical Press .
   Google Scholar
• Bergamasco , R. and Horn , D. H.S. 1983 . “ Distribution and role of insect hormones in plants ” . In Endocrinology of Insects , Edited by: Downer , R. G.H. and Laufer , H. 627 – 654 . New York : Alan R. Liss Inc. .
   Google Scholar
• Tsoupras , G. , Luu , B. , Hetru , C. , Muller , J. F. and Hoffmann , J. A. 1982 . Conversion in vitro de 20-hydroxyecdysone en métabolites phosphorylés et acétylés par des complexes tubes digestif-tubes de Malpighi de larves de Locusta migratoria . C.R. Acad. Sci. (Paris) , 296 : 77 – 80 .
   Google Scholar
• Lafont , R. , Biais , C. , Beydon , P. , Modde , J. , Enderle , U. and Koolman , J. 1983 . Conversion of ecdysone and 20-hydroxyecdysone into 26-oic derivatives is a major pathway in larvae and pupae of species from three insect orders . Arch. Insect Biochem. Physiol. , 1 : 41 – 58 .
   Web of Science ®Google Scholar
• Horn , D. H.S. 1971 . “ The ecdysones ” . In Naturally Occurring Insecticides , Edited by: Jacobson , M. and Crosby , D. G. 333 – 459 . New York : Marcel Dekker .
   Google Scholar
• Bax , A. and Freeman , R. 1981 . Investigation of complex networks of spin-spin coupling by two dimensional NMR . J. Magn. Res. , 44 : 542 – 561 .
   Web of Science ®Google Scholar
• Isaac , R. E. , Rees , H. H. and Goodwin , T. W. 1981 . Isolation of ecdysone-3-acetate as a major ecdysteroid from the developing eggs of the desert locust . Chem. Commun. , : 594 – 595 .
   Google Scholar
• Mellon-Nussbaum , S. , Ponticorvo , L. and Lieberman , S. 1979 . Characterization of the lipoidal derivatives of pregnenolone prepared by the incubation of the steroid with adrenal mitochondria . J. Biol. Chem. , 254 : 12500 – 12505 .
   Google Scholar
• Mellon-Nussbaum , S. H. , Ponticorvo , L. , Schatz , F. and Hochberg , R. B. 1982 . Estradiol fatty acid esters. The isolation and identification of the lipoidal derivative of estradiol synthesized in the bovine uterus . J. Biol. Chem. , 257 : 5678 – 5684 .
   PubMed Web of Science ®Google Scholar
• Connat , J. L. , Diehl , P. A. , Dumont , N. , Carminati , S. and Thompson , J. J. 1983 . Effects of exogenous ecdysteroids on the female tick Ornithodoros moubata: induction of supermolting and influence on oogenesis . Z. Angew. Entomol. , 96 : 520 – 530 .
   Google Scholar
• Matsuda , H. , Kawaba , T. , Yamamoto , Y. and Ogawa , S. 1974 . Effect of ecdysterone on experimental artherosclerosis in rabbits . Folia Pharmacol. Jap. , 70 : 325 – 339 .
   Google Scholar
• Uchiyama , M. and Otaka , T. 1974 . “ Phytoecdysones and protein metabolism in mammalia ” . In Invertebrate Endocrinology and Hormonal Heterophylly , Edited by: Burdette , W. J. 375 – 400 . Berlin, Heidelberg, New York : Springer-Verlag .
   Google Scholar
• Modde , J. F. , Lafont , R. and Hoffmann , J. A. 1984 . Ecdysone metabolism in Locusta migratoria larvae and adults . Int. J. Invert. Reprod. Dev. , 7 : 161 – 183 .
   Web of Science ®Google Scholar
• Janocko , L. and Hochberg , R. B. 1982 . Estradiol fatty acid esters occur naturally in human blood . Science , 222 : 1334 – 1336 .
   Google Scholar
• Wigglesworth , K. and Rees , H. H. 1983 . Poster presentation at the Congress on 'Biosynthesis, Metabolism , Strasbourg : Mode of Action of Invertebrate Hormones' .
   Google Scholar
• Dübendorfer , A. 1983 . Oral presentation at the 6 , Szeged : Ecdysone Workshop .
   Google Scholar
• De Reggi , M. L. , Him , M. and Delaage , M. A. 1975 . Radioimmunoassay of ecdysone: an application to Drosophila larvae and pupae . Biochem. Biophys. Res. Commun. , 66 : 1307 – 1315 .
   PubMed Web of Science ®Google Scholar