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Published on: May 28, 2015
BMP5 expression in the adult rat brain
Y Kusakawa1, S Mikawa2, K Sato2
1Department of Anatomy & Neuroscience, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashiku, Hamamatsu, Shizuoka 431-3192, Japan; Department of Rehabilitation, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Nakaku, Hamamatsu, Shizuoka 430-8558, Japan.
Bone morphogenetic protein-5 (BMP5) is widely expressed in the adult rat central nervous system (CNS). This finding suggests BMP5 plays a crucial role in adult brain function, beyond its known role in development.
Area of Science:
- Neuroscience
- Molecular Biology
- Developmental Biology
Background:
- Bone morphogenetic protein-5 (BMP5) is part of the transforming growth factor-β (TGF-β) superfamily.
- BMP5 is known for its role in early central nervous system (CNS) development.
- Limited data exists on BMP5 expression in the adult CNS.
Purpose of the Study:
- To investigate the expression patterns of BMP5 in the adult rat CNS.
- To determine the cellular localization of BMP5 in adult neural tissues.
Main Methods:
- Immunohistochemistry was employed to detect BMP5 expression.
- Adult rat CNS tissues were analyzed.
Main Results:
- BMP5 was abundantly expressed in most adult rat neurons, including dendrites and axons.
- Strong BMP5 expression was observed in highly plastic gray matter regions like the cerebellum, locus coeruleus, and nucleus of the solitary tract.
- BMP5 was also detected in astrocytes, ependymal cells, and meninges.
Conclusions:
- BMP5 is widely distributed throughout the adult CNS.
- The extensive expression of BMP5 in the adult brain indicates significant roles in adult neural function, not just during development.
