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Published on: June 10, 2020
Purinergic receptors in neurogenic processes
D E Ribeiro1, T Glaser1, Á Oliveira-Giacomelli1
1Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, 05508-900, Av. Prof. Lineu Prestes, 748, São Paulo, SP, Brazil.
Purinergic receptors, including P2Y1 and A2A, play crucial roles in both embryonic and adult neurogenesis. Their differential signaling impacts neuronal development and maintenance, offering targets for cognitive function research.
Area of Science:
- Neuroscience
- Cell Biology
- Molecular Biology
Background:
- Neurogenesis, the generation of functional neurons, occurs during embryonic and adult mammalian development.
- Embryonic neurogenesis involves widespread proliferation for nervous system architecture.
- Adult neurogenesis is localized, supporting neural niches, repair, memory, and cognitive functions in the hippocampus.
Purpose of the Study:
- To investigate the role of purinergic signaling in both embryonic and adult neurogenesis.
- To understand the molecular mechanisms governing cell differentiation and nervous system maintenance.
- To identify specific purinergic receptors involved in distinct neurogenesis phases.
Main Methods:
- Analysis of purinergic receptor signaling pathways.
- Comparison of receptor activity during embryonic versus adult neurogenesis.
- Investigation of receptor roles in neuronal proliferation and differentiation.
Main Results:
- Purinergic receptors are involved in neurogenesis throughout life.
- Embryonic neurogenesis involves P2X7 receptor down-regulation and P2Y1 receptor-mediated calcium waves.
- Adult neurogenesis may be modulated by A2A and P2Y1 receptors, while A1, P2Y13, and P2X7 receptors can impair it.
Conclusions:
- Purinergic signaling is a critical, conserved mechanism in mammalian neurogenesis.
- Specific purinergic receptors have distinct roles in embryonic development versus adult maintenance.
- Targeting purinergic receptors offers potential therapeutic avenues for cognitive and neurological disorders.
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