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Träfflista för sökning "WFRF:(Andersson Sandra) srt2:(1999)"

Sökning: WFRF:(Andersson Sandra) > (1999)

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  • Patrone, Cesare, et al. (författare)
  • Estrogen receptor-dependent regulation of sensory neuron survival in developing dorsal root ganglion
  • 1999
  • Ingår i: Proceedings of the National Academy of Sciences of the United States of America. - Uppsala Univ, Ctr Biomed, Dept Neurosci, S-75123 Uppsala, Sweden. : NATL ACAD SCIENCES. - 0027-8424 .- 1091-6490. ; 96:19, s. 10905-10910
  • Tidskriftsartikel (refereegranskat)abstract
    • Estrogen is known to influence different functions in brain tissue ranging from neuronal development to plasticity and survival, but the mechanisms involved have not been defined clearly. Previous studies have shown the presence of the two estrogen receptors (ERs), ER alpha and ER beta, in several brain areas, but less is known about the role of estrogen in the peripheral nervous system. Here we demonstrate that dorsal root ganglion (DRG) neurons express ER alpha and ER beta during early postnatal development and in culture, and that the ERs localize mainly to neuronal cell nuclei. Studying the role of estrogen in DRG, we observed that low concentrations of 17 beta-estradiol increased survival of cultured DRG neurons deprived of nerve growth factor. 17 beta-Estradiol up-regulated the expression of the antiapoptotic molecule Bcl-x without affecting that of Bar, suggesting a mechanism by which the hormone counteracted neuronal death. Antiestrogens abolished the action of 17 beta-estradiol in the DRG neurons, which demonstrates an involvement of ERs. The results show that estrogen and ERs play an important role in the development and survival of DRG neurons.
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