Related Experiment Video
Updated: Sep 21, 2026
Stem cell-like Xenopus Embryonic Explants to Study Early Neural Developmental Features In Vitro and In Vivo
Published on: February 2, 2016
Expression of 5-HT2B and 5-HT2C receptor genes is associated with proliferative regions of Xenopus developing brain
Stefania De Lucchini1, Michela Ori, Martina Nardini
1Laboratori di Biologia Cellulare e dello Sviluppo, Dipartimento di Fisiologia e Biochimica, Università di Pisa, Via Carducci 13, 56010 Ghezzano, Pisa, Italy. sdelu@dfb.unipi.it
Abstract:
Here we clone the Xenopus 5-HT2B receptor cDNA and describe its spatio-temporal mRNA expression within the developing larval brain and visual system. Expression of the 5-HT2B transcripts is compared to that of 5-HT2C as well as proliferation and neurogenic markers. In developing brain and retina, 5-HT2B and 2C mRNAs are mainly expressed in proliferative regions. We suggest that these receptors may play a role in the larval secondary neurogenesis by mediating mitogenic effects of serotonin.
Insights
We cloned the Xenopus 5-HT2B receptor and found its mRNA in developing brain and retina. These serotonin receptors may influence larval neurogenesis.
Area of Science:
- Neuroscience
- Developmental Biology
- Molecular Biology
Background:
- Serotonin receptors play crucial roles in neural development.
- Understanding receptor expression patterns is key to deciphering their functions.
Purpose of the Study:
- To clone the Xenopus 5-HT2B receptor cDNA.
- To characterize the spatio-temporal mRNA expression of 5-HT2B in the developing Xenopus larval brain and visual system.
- To compare 5-HT2B expression with 5-HT2C and neurogenesis markers.
Main Methods:
- Cloning of Xenopus 5-HT2B receptor cDNA.
- In situ hybridization to analyze mRNA expression patterns.
- Comparison with expression of 5-HT2C and proliferation/neurogenic markers.
Main Results:
- The Xenopus 5-HT2B receptor cDNA was successfully cloned.
- 5-HT2B mRNA was detected in the developing brain and retina of Xenopus larvae.
- Expression of 5-HT2B and 5-HT2C transcripts was predominantly observed in proliferative regions.
Conclusions:
- The 5-HT2B receptor is expressed in key developmental areas of the Xenopus nervous system.
- Co-expression with 5-HT2C suggests related roles in neurodevelopment.
- Serotonin 5-HT2B receptors may mediate mitogenic effects, potentially influencing larval secondary neurogenesis.
