Crossref journal-article
Proceedings of the National Academy of Sciences
Proceedings of the National Academy of Sciences (341)
Abstract

Two forms of gonadotropin-releasing hormone (GnRH) were isolated from the gonads of the tunicate, Ciona intestinalis . The primary structure of the purified peptides was determined by MS and chemical sequence analysis. Both GnRH forms have blocked NH 2 and COOH termini, and their primary structures are identical to mammalian (mGnRH) and chicken I (cGnRH-I) forms reported previously in vertebrates. A total of 1.2 mg of purified cGnRH-I and 0.98 mg of mGnRH was obtained from 100 g of Ciona gonads. The physiological effects of native GnRHs included the induction of synthesis and secretion of sex steroids from ciona gonads and the secretion of luteinizing hormone from rat pituitary. These results suggest that the primary structure and functional roles of mGnRH and cGnRH-I have been highly conserved throughout evolution of chordates.

Bibliography

Di Fiore, M. M., Rastogi, R. K., Ceciliani, F., Messi, E., Botte, V., Botte, L., Pinelli, C., D’Aniello, B., & D’Aniello, A. (2000). Mammalian and chicken I forms of gonadotropin-releasing hormone in the gonads of a protochordate, Ciona intestinalis. Proceedings of the National Academy of Sciences, 97(5), 2343–2348.

Authors 9
  1. Maria M. Di Fiore (first)
  2. Rakesh K. Rastogi (additional)
  3. Fabrizio Ceciliani (additional)
  4. Elio Messi (additional)
  5. Virgilio Botte (additional)
  6. Lucio Botte (additional)
  7. Claudia Pinelli (additional)
  8. Biagio D'Aniello (additional)
  9. Antimo D'Aniello (additional)
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Dates
Type When
Created 23 years, 1 month ago (July 26, 2002, 10:38 a.m.)
Deposited 3 years, 4 months ago (April 12, 2022, 8:57 a.m.)
Indexed 1 year, 1 month ago (July 4, 2024, 1:59 p.m.)
Issued 25 years, 6 months ago (Feb. 25, 2000)
Published 25 years, 6 months ago (Feb. 25, 2000)
Published Online 25 years, 6 months ago (Feb. 25, 2000)
Published Print 25 years, 6 months ago (Feb. 29, 2000)
Funders 0

None

@article{Di_Fiore_2000, title={Mammalian and chicken I forms of gonadotropin-releasing hormone in the gonads of a protochordate, Ciona intestinalis}, volume={97}, ISSN={1091-6490}, url={http://dx.doi.org/10.1073/pnas.040549097}, DOI={10.1073/pnas.040549097}, number={5}, journal={Proceedings of the National Academy of Sciences}, publisher={Proceedings of the National Academy of Sciences}, author={Di Fiore, Maria M. and Rastogi, Rakesh K. and Ceciliani, Fabrizio and Messi, Elio and Botte, Virgilio and Botte, Lucio and Pinelli, Claudia and D’Aniello, Biagio and D’Aniello, Antimo}, year={2000}, month=feb, pages={2343–2348} }