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Primary Culture of Neurons Isolated from Embryonic Mouse Cerebellum
Published on: October 26, 2019
The expression pattern of nuclear receptors during cerebellar development
Jun Qin1, Jae Mi Suh, Bum-Jun Kim
1Department of Molecular and Cellular Biology, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA.
Summary
Nuclear receptors (NRs) are crucial for cerebellar development and function. This study identified ten NRs in the postnatal cerebellum, with five showing consistent expression across developmental stages, highlighting their potential physiological roles.
Area of Science:
- Neuroscience
- Developmental Biology
- Molecular Endocrinology
Background:
- The cerebellum is vital for motor control and posture.
- Its relatively simple structure makes it a model for neural development.
- The roles of nuclear receptors (NRs) in cerebellar formation and function are largely unknown.
Purpose of the Study:
- To investigate the expression patterns of 18 NRs in the cerebellum.
- To contribute data to the Nuclear Receptor Signaling Atlas (NURSA).
- To elucidate the potential physiological roles of NRs in cerebellar development and function.
Main Methods:
- Immunohistochemistry was used to detect NR expression.
- Expression was analyzed in the cerebellum at various developmental stages: embryonic, postnatal day 0 (P0), P7, and P21.
- The study examined 18 different nuclear receptors.
Main Results:
- Ten NRs were found to be expressed in the postnatal day 21 (P21) cerebellum.
- Five NRs (COUP-TFI, COUP-TFII, RORalpha, ERbeta, and ERRgamma) exhibited expression across all examined developmental stages.
- COUP-TFI and COUP-TFII displayed distinct anterior-posterior expression gradients during cerebellar development.
Conclusions:
- The nuclear receptor superfamily likely plays significant physiological roles in the cerebellum.
- Specific NRs are present throughout cerebellar development, suggesting involvement in its formation and maintenance.
- Differential expression patterns of certain NRs indicate stage- and region-specific functions within the cerebellum.
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