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This study demonstrates the presence of immunoreactive LH in rat brain by radioimmunoassay and immunocytochemistry. High levels of radioimmunoassayable LH were identified in the hypothalamus, while significant but lesser quantities were found in the amygdala, septal area, preoptic area, thalamus, caudate nucleus, and hippocampus. Correlative immunocytochemistry localized immunopositive fibers in hypothalamic and several extrahypothalamic brain structures. Immunoreactive cell bodies were seen in colchicine-treated rats in the arcuate nucleus of the hypothalamus. Gel chromatography of hypothalamic extracts revealed that immunoassayable LH coeluted with LH standard and rat pituitary extracts. Possible mechanisms related to the origin and functional neuronal LH are discussed.
G Hostetter, and
R V Gallo, and
M S Brownfield
October 2001,
The Journal of comparative neurology,
G Hostetter, and
R V Gallo, and
M S Brownfield
January 1986,
Neuroscience and behavioral physiology,
G Hostetter, and
R V Gallo, and
M S Brownfield
April 1995,
Neuroscience letters,
G Hostetter, and
R V Gallo, and
M S Brownfield
January 1992,
Neuroscience,
G Hostetter, and
R V Gallo, and
M S Brownfield
March 1991,
Endocrinology,
G Hostetter, and
R V Gallo, and
M S Brownfield
August 1974,
The Journal of endocrinology,
G Hostetter, and
R V Gallo, and
M S Brownfield
October 1988,
Biology of reproduction,
G Hostetter, and
R V Gallo, and
M S Brownfield
September 1984,
Brain research,
G Hostetter, and
R V Gallo, and
M S Brownfield
November 1974,
Acta endocrinologica,
G Hostetter, and
R V Gallo, and
M S Brownfield
May 1992,
Endocrinology,
