Related Experiment Video
Updated: Jun 4, 2025
11:25
Quantitative Analysis of Protein Expression to Study Lineage Specification in Mouse Preimplantation Embryos
Published on: February 22, 2016
10.8K
Serotonin Signaling in Mouse Preimplantation Development: Insights from Transcriptomic and Structural-Functional
Veronika S Frolova1, Yulia O Nikishina2, Yuri B Shmukler2
1Department of Embryology, Faculty of Biology, Lomonosov Moscow State University, Moscow 119234, Russia.
International Journal of Molecular Sciences
|December 17, 2024
Summary
Serotonin (5-HT) is crucial for early mouse development, with key components expressed from oogenesis through preimplantation stages. Its vesicular transport is vital for signaling, impacting oocyte maturation and embryonic development.
Area of Science:
- Developmental Biology
- Neuroscience
- Reproductive Biology
Background:
- Serotonin (5-HT) is a key signaling molecule with diverse roles in neurotransmission and tissue regulation.
- Its influence on early development has been observed across various species, including mammals.
Purpose of the Study:
- To investigate the expression and functional activity of serotonin components in mouse embryos.
- Focus on key serotonin receptors and transporters during early development.
Main Methods:
- Transcriptomic analysis to detect mRNA expression of serotonin-related components.
- Immunohistochemistry to identify the presence of serotonin and its associated proteins.
- Functional analysis using the VMAT inhibitor reserpine.
Main Results:
- Serotonin-related mRNA transcripts are highly expressed during oogenesis and preimplantation stages.
- Serotonin, VMAT2, and specific receptors (5-HT1B, 1D, 2B, 7) are present in early mouse embryos.
- Vesicular transport of serotonin is essential for maintaining its signaling.
Conclusions:
- Serotonin plays a significant role in mouse oocyte maturation and embryonic development.
- Serotonin signaling is important for interblastomere interactions during early development.
