期刊
NEUROSCIENCE LETTERS
卷 653, 期 -, 页码 7-11出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.neulet.2017.05.017
关键词
Estrogen receptors; Aromatase; Spinal motoneuron; Mice
Estrogen exerts protective roles in amyotrophic lateral sclerosis (ALS). However, the expression of aromatase (ARO) and estrogen receptors (ERs) in the motoneurons of spinal cord, has not yet been elucidated. By immunohistochemistry, we found that ARO and ERs were present in the ventral horn of adult mice lumbar spinal cord, and colocalized with SMI-32, a motoneuron specific marker. Within motoneurons, we observed that ARO is detected primarily in the cytoplasm, with fewer ARO in the nucleus; ER and ER beta mainly localized in the nucleus with less in the cytoplasm; while GPR30 is located in soma and processes. In conclusion, we found that ERs and ARO are expressed in the motoneurons of lumbar spinal cord in adult mice. These findings suggest that estrogen may be useful as a promising therapeutic agent for prevention of damage and improvement of locomotor function in ALS. (C) 2017 Elsevier B.V. All rights reserved.
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