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The Neuroprotective Effects Of Estradiol And Genistein In Zebra Finch Cerebellum, Renee E. Breaux
The Neuroprotective Effects Of Estradiol And Genistein In Zebra Finch Cerebellum, Renee E. Breaux
Honors Theses
The estradiol (E2) synthetic pathway converts testosterone to E2 via aromatase (AROM) and plays an important role in neuroplasticity. However, exogenous E2 increases cancer risk and interferes with gonadal function. Phytoestrogens, plant-based estrogens, may provide neuroprotection without negative E2 effects. Genistein (GEN), a soy phytoestrogen, preferentially binds to estrogen receptor beta (ER β), which is expressed at a relatively higher concentration than ER α in the cerebellum (CB). The songbird CB is an ideal model for steroid-mediated plasticity. Songbird brains are highly plastic and CB contains all steroid-synthetic enzymes. Previous studies in zebra finches (ZF) have shown that AROM and …