SOME BIOLOGICAL PROPERTIES OF A POTENT FOLLICLE STIMULATING HORMONE PREPARATION
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ABSTRACT A preparation of ovine follicle stimulating hormone (FSH) which is approximately 50 times as active as NIH-FSH-S1 has been tested in hypophysectomized male and female rats and found to be a potent steroidogenic factor. Contamination of the FSH preparation with interstitial cell-stimulating hormone (ICSH, LH) was found to be very low (0.006–0.016 unit/mg) and could not account for the observed activity. In addition, treatment of the FSH preparation with 6 m urea and neuraminidase indicates that the steroidogenic activity is either an intrinsic property of the FSH molecule or a discrete entity which differs chemically from ICSH.
1977 ◽
Vol 26
(1)
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pp. 66-69
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1971 ◽
Vol 138
(1)
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pp. 140-144
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1977 ◽
Vol 3
(1-2)
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pp. 61-95
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1984 ◽
Vol 30
(2)
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pp. 427-433
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1985 ◽
Vol 41
(2-3)
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pp. 129-136
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1983 ◽
Vol 31
(1)
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pp. 117-130
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