Fertilization events induced by neurotransmitters after injection of mRNA in Xenopus eggs

Douglas Kline, Luciana Simoncini, Gail Mandel, Robert A. Maue, Raymond T. Kado, Laurinda A. Jaffe

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Abstract

Fertilization initiates in the egg a dramatic increase in intracellular calcium that opens ion channels and causes exocytosis. To explore the possibility that these events might involve a receptor-mediated pathway, receptors for serotonin or acetylcholine (M1 muscarinic) were expressed in the Xenopus egg; serotonin or acetylcholine then could initiate a series of responses similar to those normally initiated by sperm. Thus, there may be an endogenous receptor in the egg membrane that is activated by sperm, and the serotonin or M1 muscarinic receptor may replace the sperm receptor in this pathway.

Original languageEnglish (US)
Pages (from-to)464-467
Number of pages4
JournalScience
Volume241
Issue number4864
DOIs
StatePublished - Jan 1 1988

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Cite this

Kline, D., Simoncini, L., Mandel, G., Maue, R. A., Kado, R. T., & Jaffe, L. A. (1988). Fertilization events induced by neurotransmitters after injection of mRNA in Xenopus eggs. Science, 241(4864), 464-467. https://doi.org/10.1126/science.3134693