|By Robert Cohen Executive Director|
= Breast Cancer
The following ten references provide converging lines of evidence that focus upon one central point.
There are hundreds of millions of different proteins in nature, and only one hormone that is identical between any two species. That powerful growth hormone is insulin-like growth factor, or IGF-I. IGF-I survives digestion and has been identified as the KEY FACTOR in breast cancer's growth.
IGF-I is identical in human and cow.
If you believe that breast feeding "works" to protect lactoferrins and
immunoglobulins from digestion (and benefit the nursing infant), you must
also recognize that milk is a hormonal delivery system. By drinking cow's
milk, one delivers IGF-I in a bioactive form to the body's cells. When IGF-I
from cow's milk alights upon an existing cancer...
"Human Insulin-like growth factor (IGF-I) and bovine IGF-I are identical. Both contain 70 amino acids in the identical sequence."
Judith C. Juskevich and C. Greg Guyer. SCIENCE, vol. 249. August 24, 1990.
"IGF-I is critically involved in the aberrant growth of human breast cancer cells."
M. Lippman. J. Natl. Inst. Health Res., 1991, 3.
"Estrogen regulation of IGF-I in breast cancer cells would support the hypothesis that IGF-I has a regulatory function in breast cancer."
A.V. Lee, Mol-Cell- Endocrinol., March, 99(2).
"IGF-I is a potent growth factor for cellular proliferation in the human breast carcinoma cell line."
J.C. Chen, J-Cell-Physiol., January, 1994, 158(1)
"Insulin-like growth factors are key factors for breast cancer growth."
J.A. Figueroa, J-Cell-Physiol., Nov., 1993, 157(2)
"IGF-I produces a 10-fold increase in RNA levels of cancer cells. IGF-I appears to be a critical component in cellular proliferation."
X.S. Li, Exp-Cell-Res., March, 1994, 211(1)
"IGF-I plays a major role in human breast cancer cell growth."
E.A. Musgrove, Eur-J-Cancer, 29A (16), 1993
"IGF-I has been identified as a key factor in breast cancer."
Hankinson. The Lancet, vol. 351. May 9, 1998
"Serum IGF-I levels increased significantly in milk drinkers, an increase of about 10% above baseline but was unchanged in the control group."
Robert P. Heaney, Journal of the American Dietetic Association, vol. 99,
no. 10. October 1999
"IGF-1 accelerates the growth of breast cancer cells."
M. Lippman Science, Vol. 259, January 29, 1993
Robert Cohen author of: MILK A-Z
Executive Director (firstname.lastname@example.org)
Dairy Education Board
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