Female Sex Hormones Flashcards
During the menstrual cycle, estrogen is made by the __ during the first 14 days then by the __ __ for the last half
follicle; corpus luteum
During pregnancy estrogen is made by the
fetal placental unit
Female sex hormones are derived from ___ and are converted by ___
testosterone; aromatase
Estrogen is needed for both female sexual maturation and ____ closing
epiphyseal
Estrogen is vaso___ and increases blood ___ and is cardio___
dilatory; coagulation; protective
In the liver, estrogen increases production of ___ and __
leptin; globulin
Estrogen promotes the apoptosis of ____ (bone)
osteoclasts
Progesterone is produced by the ___ in the non-pregnant state and ___ in the pregnant state
corpus luteum; placenta
Progesterone renders the uterus refractory to
oxytocin
RU-486 is a classic ___ type _antagonist
progesterone type II
Estrogens are given in girls with ____ __ to preserve bone growth
primary hypogonadism
Estrogen is used on a __ __ basis for menopause symptoms due to the risk of MI and uterine cancer
short term
___ suppresses estrogen dependent breast cancer but is an agonist in the ___ so it may cause cancer
Tamoxifen; uterus
Raloxifene suppresses growth in both the __ and the __
breast; uterus
___ inhibitors are used in estrogen receptor positive breast cancers
Aromatase
___ is responsible for genital and areolar pigmentation
estrogen
Estrogen is responsible for __ redistrubtion
fat
Estrogen increases these two blood lipids
HDL, triglycerides
Estrogen is higher in the __ phase of the cycle and progesterone is higher in the ___ phase
follicular; luteal
Type I antagonists act how?
Binding to steroid receptor and blocking its interaction with the GRE/HRE
Type II antagonists act by recruiting ___ after binding to ___
co-repressors; HRE/GRE
EPT reduces the risk of __ cancer
colon
Estrogen therapy alone increases the risk of __ and __ cancer
endometrium; breast
SERMs cause the ERE to recruit either __ or __ depending on the confirmation of the tissue which makes it a type __ agonist
co-repressors; co-agonists; III; IV
Tamoxifen and Raloxifene are both tumor___
tumoristatic