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Steroid receptor

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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Difference between ADH and Aldosterone?

... water that can be transported through the membrane. Aldosterone is a steroid, so what it does is to interact with a nuclear receptor that eventually turns on the transcription of a gene encoding a Sodium channel.

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by MrMistery
Mon Jul 20, 2009 2:51 am
 
Forum: Human Biology
Topic: Difference between ADH and Aldosterone?
Replies: 4
Views: 106411

Re: membrane permeability - let's make it clear!

... bound to protein in the blood. Here your textbook is referring to the steroid hormones of course. they are bound noncovalently to protein in the ... of unbound hormone that can diffuse inside the cell to bind a nuclear receptor. No, they are not. You are thinking cholesterol, which is transported ...

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by MrMistery
Mon Dec 01, 2008 12:27 am
 
Forum: Cell Biology
Topic: membrane permeability - let's make it clear!
Replies: 1
Views: 9455

Estrogen

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: 11462

DNA question/need answer

... of those proteins are for the cell membrane - transport proteins and receptor proteins for hormones etc... Other proteins are called enzymes which ... the manufacture of other biomolecules, for example the manufacture of steroid hormones in the smooth endoplasmic reticulum.

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by Heronumber0
Mon Jul 30, 2007 12:02 pm
 
Forum: Molecular Biology
Topic: DNA question/need answer
Replies: 3
Views: 1621

Re: Protein hormones and sex hormones

... into the cell while protein hormones cannot but must attach to the receptor site on the cell membrane? :? EDIT: Sorry, I posted in the wrong subforum. :oops: Because sex hormones are steroid/lipid so that they will easily diffuse through plasma membrane. Inside the ...

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by Revenged
Sat Feb 24, 2007 10:09 pm
 
Forum: Physiology
Topic: Protein hormones and sex hormones
Replies: 5
Views: 9561
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