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Sender:
Paleolithic Eating Support List <[log in to unmask]>
Subject:
From:
Paleogal <[log in to unmask]>
Date:
Fri, 15 Dec 2006 20:10:50 -0600
Reply-To:
Paleolithic Eating Support List <[log in to unmask]>
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----- Original Message -----
From: "DS" <[log in to unmask]>


> my eyes glazed over reading this. is there a summary available? :)

Betacellulin: A Hormone that Binds the Epidermal Growth

Factor Receptor

The EGF receptor is a pro-miscuous receptor in that it doesn't just bind a
single hormone

(EGF), but rather binds a large family of hor-mones including transforming
growth factor alpha(TGF-á ), heparin binding EGF(HB-EGF), epiregulin (EPR),
amphiregulin (AR), neuregulins 1, 2, 3 and 4 (NRG1, NRG2, NRG3, NRG4) and
betacellulin (BTC) (9). The key hormone to remember here is betacellulin
because it is found in cow's milk in high concentrations.

Betacellulin is a very stable hormone in that it is not degraded by the heat
of  pasteurization and is even found in high concentrations in cheese (10).
When you drink cow's milk or eat cheese, you are, in effect, dosing yourself
with betacellulin. You might think that protein shearing enzymes in your gut
would breakdown betacellulin and other hormones belonging to the EGF
hormonal family before they can get to the gut EGF receptor. How-ever, this
is not the case,

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