Androgen Flashcards
androgen to estrogen conversion by
aromatase
do hormones act directly on microglia?
could be direct or indirect (modulating microenvironments that impart sex difference din microglia identity and function)
Whats condition girls have with excess androgen?
congenital adrenal hyperplasia (cortical synthesis pathway mutation)
When do testes and ovary develop? What week?
6-12
When does T peak in males human?
Week 12-18
How much higher is male T in utero at 34-41 weeks than F?
10 times
When is second peak of T after birth?
Around 3 months
When does sexual differentiation of the genitals happen and then the brain?
G: 2 months of pregnancy
B: Second semester
What’s a brain region organized by estradiol ?
Preoptic area - a brain region involved in many areas including copulatory and maternal behaviors
In early development, what determines whether an animal will develop testes or ovaries?
Genes on the sex chromsome (SRY gene on Y chromosome) -> testes produce androgen and absence of SRY gene -> ovarian devlopment
What does estrogen do in the rat brain?
1) masculinzation
2) defiminization
Why use that does of flutamide?
Flutamide was administered at a dose of 50 mg/kg bodyweight and prepared on the same day as the injection. This dose was selected as it is well-established in impairing male reproductive development and preventing masculinization of anogenital distance (AGD)