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The norepinephrine (NE) and dopamine (DA) concentrations of the medial preoptic nucleus (MPN), suprachiasmatic nucleus (SCN), arcuate nucleus (AN), ventromedial nucleus (VMN) and median eminence (ME) were measured during the estrous cycle. Nuclei were microdissected and assayed using the catechol-0-methyl transferase enzymatic method. A significant increase in NE was observed between the morning and afternoon of proestrus (P) in the SCN. In contrast, no significant changes in DA were detected in any area on P. No change in NE or DA was found between the morning and afternoon of diestrus 1 (D1). These findings are consistent with NE-containing neurons being involved in the surge of LH on the afternoon of proestrus.
M K Selmanoff, and
M J Pramik-Holdaway, and
R I Weiner
January 1981,
Brain research,
M K Selmanoff, and
M J Pramik-Holdaway, and
R I Weiner
August 1974,
Brain research,
M K Selmanoff, and
M J Pramik-Holdaway, and
R I Weiner
May 1978,
Brain research,
M K Selmanoff, and
M J Pramik-Holdaway, and
R I Weiner
December 1967,
Endocrinology,
M K Selmanoff, and
M J Pramik-Holdaway, and
R I Weiner
January 1986,
Acta physiologica et pharmacologica latinoamericana : organo de la Asociacion Latinoamericana de Ciencias Fisiologicas y de la Asociacion Latinoamericana de Farmacologia,
M K Selmanoff, and
M J Pramik-Holdaway, and
R I Weiner
November 1977,
Life sciences,
M K Selmanoff, and
M J Pramik-Holdaway, and
R I Weiner
January 1983,
Chronobiologia,
M K Selmanoff, and
M J Pramik-Holdaway, and
R I Weiner
December 1967,
Endocrinology,
M K Selmanoff, and
M J Pramik-Holdaway, and
R I Weiner
January 1985,
Gaceta medica de Mexico,
M K Selmanoff, and
M J Pramik-Holdaway, and
R I Weiner
August 1975,
Endocrinologia japonica,
