NDLI: Serotonin receptors are selectively expressed in the avian germ cells and early embryos

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Serotonin receptors are selectively expressed in the avian germ cells and early embryos

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Serotonin receptors are selectively expressed in the avian germ cells and early embryos

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Stepinska, Urszula Kuwana, Takashi Olszanska, Bozenna
Description	Country affiliation: Poland Author Affiliation: Stepinska U ( Institute of Genetics and Animal Breeding,Polish Academy of Sciences,Jastrzebiec n/Warsaw,Magdalenka 05-552,Poland.); Kuwana T ( International Institute of Avian Conservation Science,Abu-Dhabi,United Arab Emirates.); Olszanska B ( Institute of Genetics and Animal Breeding,Polish Academy of Sciences,Jastrzebiec n/Warsaw,Magdalenka 05-552,Poland.)
Abstract	The expression of nine serotonin (5-HT) receptor transcripts was studied using reverse transcription polymerase chain reaction (RT-PCR) in germ cells, cleavage and gastrulation stages of Japanese quail, and qPCR for 5-HT3 and 5-HT4 receptors in oocytes and embryos. We show the presence/absence of nine serotonin transcripts known in birds for receptors 5-HT1A, 5-HT1F, 5-HT2B, 5-HT2C, 5-HT3, 5-HT4, 5-HT5A, 5-HT6 and 5-HT7A in avian germ cells and early embryos. The absence of 5-HT3 and 5-HT5A in primordial germ cells and of 5-HT3 and 5-HT7A in sperm is characteristic. All transcripts appeared in oocytes at all stages (except for 5-HT3 and 5-HT5A transcripts) and all were present in cleaving embryos and at gastrulation, except for 5-HT3, which was permanently observed as late as in stage 4. Interestingly, 5-HT3 and 5-HT5A receptors accumulated in 3-mm and F1 oocytes but were degraded at ovulation and started to be re-transcribed in cleavage stage II embryos and beyond. The selective appearance of 5-HT receptors in germ cells and early embryos supports the hypothesis that serotonin may act as a signalling molecule at early stages of germ line and embryo differentiation via individual receptors present during different stages, when specialized communication systems are not yet developed.
File Format	HTM / HTML
ISSN	09671994
Issue Number	3
Volume Number	23
e-ISSN	14698730
Journal	Zygote
Language	English
Publisher	Cambridge University Press
Publisher Date	2015-06-01
Publisher Place	Great Britain (UK)
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Embryology Coturnix Embryology Gastrula Physiology Gene Expression Regulation, Developmental Oocytes Receptors, Serotonin Genetics Animals Embryo, Nonmammalian Female Male Spermatozoa Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Cell Biology Developmental Biology

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