Adult male rat hippocampus synthesizes estradiol from pregnenolone by cytochromes P45017α and P450 aromatase localized in neurons

…, S Kominami, N Harada… - Proceedings of the …, 2004 - National Acad Sciences
In adult mammalian brain, occurrence of the synthesis of estradiol from endogenous cholesterol
has been doubted because of the inability to detect dehydroepiandrosterone synthase, …

[HTML][HTML] Estrogen masculinizes neural pathways and sex-specific behaviors

…, EJ Fraser, JK Coats, J Tollkuhn, SI Honda, N Harada… - Cell, 2009 - cell.com
Sex hormones are essential for neural circuit development and sex-specific behaviors. Male
behaviors require both testosterone and estrogen, but it is unclear how the two hormonal …

Brain estrogen deficiency accelerates Aβ plaque formation in an Alzheimer's disease animal model

…, SI Honda, M Staufenbiel, N Harada… - Proceedings of the …, 2005 - National Acad Sciences
Much evidence indicates that women have a higher risk of developing Alzheimer's disease (AD)
than do men. The reason for this gender difference is unclear. We hypothesize that …

Tissue-specific expression of the human aromatase cytochrome P-450 gene by alternative use of multiple exons 1 and promoters, and switching of tissue-specific …

N Harada, T Utsumi, Y Takagi - Proceedings of the National …, 1993 - National Acad Sciences
Extensive screening of aromatase cDNA was carried out in cDNA libraries from various human
tissues. The DNA sequences of all the isolated cDNA clones were identical in the region …

Disruption of sexual behavior in male aromatase-deficient mice lacking exons 1 and 2 of thecyp19Gene

S Honda, N Harada, S Ito, Y Takagi, S Maeda - … and biophysical research …, 1998 - Elsevier
Aromatase is known to be involved in the control of morphological, neuroendocrine, and
behavioral sex differences in the brain. To study the detailed functions of aromatase in mouse …

Intrinsic function of the aryl hydrocarbon (dioxin) receptor as a key factor in female reproduction

T Baba, J Mimura, N Nakamura, N Harada… - … and cellular biology, 2005 - Taylor & Francis
Dioxins exert a variety of adverse effects on organisms, including teratogenesis,
immunosuppression, tumor promotion, and estrogenic action. Studies using aryl hydrocarbon …

Brain aromatase is neuroprotective

…, A Sierra, S Veiga, S Honda, N Harada… - Journal of …, 2001 - Wiley Online Library
The expression of aromatase, the enzyme that catalyzes the biosynthesis of estrogens from
precursor androgens, is increased in the brain after injury, suggesting that aromatase may …

[PDF][PDF] The androgen receptor governs the execution, but not programming, of male sexual and territorial behaviors

…, EJ Fraser, T Soderborg, S Tan, SI Honda, N Harada… - Neuron, 2010 - cell.com
Testosterone and estrogen are essential for male behaviors in vertebrates. How these two
signaling pathways interact to control masculinization of the brain and behavior remains to be …

Aromatase immunoreactivity in axon terminals of the vertebrate brain: an immunocytochemical study on quail, rat, monkey and human tissues

…, TL Horvath, RL Jakab, C Leranth, N Harada… - …, 1996 - karger.com
Intraneuronal production of estradiol from testosterone has been shown to play a pivotal role
in gender-specific brain development of most vertebrates, and to participate in numerous …

The aromatase knock-out mouse provides new evidence that estradiol is required during development in the female for the expression of sociosexual behaviors in …

J Bakker, SI Honda, N Harada… - Journal of …, 2002 - Soc Neuroscience
We used estrogen-deficient aromatase knock-out (ArKO) mice to determine whether estrogens
contribute to the development of the brain and behavior in females. Female mice of three …