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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Estrogen receptor beta (ERbeta) mRNA and protein in serotonin neurons of macaques.

This study used double in situ hybridization ( ISH) to examine the colocalization of estrogen receptor beta (ERbeta) mRNA in serotonin neurons of rhesus macaques (Macaca mulatta). In addition, immunocytochemistry (ICC) was used to examine the expression and regulation of ERbeta protein in raphe neurons of the macaque midbrain. For double ISH, monkey specific riboprobes for ERbeta incorporating radiolabeled-UTP and a riboprobe for the human serotonin reuptake transporter (SERT) incorporating digoxigenin were applied to midbrain sections from spayed rhesus macaques. ERbeta mRNA hybridization signal was expressed in most cells containing SERT mRNA in the dorsal and median raphe and pons. There were also non-SERT neurons expressing ERbeta mRNA. In addition, ERbeta protein was detected with an affinity purified polyclonal antibody generated against a synthetic peptide corresponding to the D domain of human ERbeta conjugated to bovine serum albumin (provided by Dr. Philippa Saunders, MRC, Edinburgh). Midbrain sections containing the dorsal raphe from spayed rhesus macaques with and without hormone replacement therapy were processed for ERbeta immunostaining. ERbeta protein was detected at a similar intensity and in a similar number of cells in the dorsal raphe neurons in all treatment groups. Thus, the expression of ERbeta protein in the dorsal raphe was consistent with the expression of ERbeta mRNA. In conclusion, ERbeta mRNA is expressed by serotonin neurons and it is translated to protein. ERbeta protein, like ERbeta mRNA, is detected at similar levels in the presence or absence of ovarian hormones.[1]

References

  1. Estrogen receptor beta (ERbeta) mRNA and protein in serotonin neurons of macaques. Gundlah, C., Lu, N.Z., Mirkes, S.J., Bethea, C.L. Brain Res. Mol. Brain Res. (2001) [Pubmed]
 
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