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Steroid receptors

steroid receptor

family of nuclear transcription factors, most of which are receptors for hormones of the steroid family, for example androgen, oestrogen, glucocorticoid, mineralocorticoid, progesterone, retinoic acid, ecdysone, thyroid hormone and the drosophila transcription factors knirps, ultraspiracle and seven up. This family contains a conserved domain (the steroid finger motif) containing two C4 type zinc fingers.

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Estrogen is not one hormone, it is the name used to denote either of two steroid hormones. These hormones are noted for their role in the development ... via passive diffusion and binds to specific proteins called estrogen receptors,which reside in the cell nuclei. In the absence of estrogen, these ...

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by chenhongxia
Fri Aug 15, 2008 1:47 am
Forum: Physiology
Topic: Estrogen
Replies: 4
Views: 12575

Protein hormones and sex hormones

... and physiology books written in the past few years specify 3 types of receptors for steroid hormones: 1. on the plasma membrane - elictis the fastest response 2. in the cytoplasm ...

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by MrMistery
Mon Oct 22, 2007 6:04 am
Forum: Physiology
Topic: Protein hormones and sex hormones
Replies: 5
Views: 10178

Need a little help tackling some questions(GRD 12 BIO)

... the biochemistry unit (protein form and function).) Q.4 Testosterone, a steroid, indices many cells in the body to produce more receptors for human growth hormone (HGH), a peptide. HGH causes increased rates of anabolic ...

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by cangiz44
Fri Jun 01, 2007 3:23 am
Forum: General Discussion
Topic: Need a little help tackling some questions(GRD 12 BIO)
Replies: 1
Views: 3937

Re: Protein hormones and sex hormones

... Sorry, I posted in the wrong subforum. :oops: Because sex hormones are steroid/lipid so that they will easily diffuse through plasma membrane. Inside ... to bring them in and to take effect(s) :) The majority of steroidal receptors are in the nuclues... And have direct effects on silencer/enhancer ...

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by Revenged
Sat Feb 24, 2007 10:09 pm
Forum: Physiology
Topic: Protein hormones and sex hormones
Replies: 5
Views: 10178

Re: Oestrogen receptors

In what ways do oestrogen receptors differ from insulin receptors? Location. As a steroid hormne, receptor for estrogen locates in cytosol and nucleus. As a peptide hormone, receptor for ...

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by Dr.Stein
Thu Mar 09, 2006 5:28 am
Forum: Cell Biology
Topic: Oestrogen receptors
Replies: 4
Views: 2386
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