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Tag: "estrogens" at biology news

Compounds in plastic packaging act as environmental estrogens altering breast genes

...sticizer compounds, BPA and BBP, are environmental estrogens capable of affecting gene expression in the mammar...ed an in vitro system of cell transformation using estrogens and their metabolites as carcinogenic agents in human breast cells. Our data show that each compartm...

UCLA scientists find male gene in brain area targeted by Parkinson's

...g cells in the substantia nigra. "We suspect that estrogens in women could play the same role as SRY in protecting the female brain from Parkinson's disease," he said. "Our lab is currently studying this hypothesis in an animal model." Sex differences in other dopamine-linked disorders, such as schizophrenia...

Changing length of days reverses how estrogen affects aggressiveness in mice

...short days of winter, the class of hormones called estrogens acts to increase aggression in males of a particular type of mouse called the Oldfield Mouse (Peromyscus polionotus). However, in the long days of summer, estrogen decreases aggression among male Oldfield mice, a species commonly found in the sout...

The influence of the menstrual cycle on the female brain

...acts on the dopamine system) in higher doses after estrogens have been administered to them. The influence of g...icular phase, which is also the phase in which the estrogens do not oppose the progesterone. In order to determine the gender-related differences of reward syste...

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