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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Pregnanetriolone, a normal steroid metabolite: its excretion by normal, Cushing's syndrome and congenital adrenal hyperplasia subjects.

Synthesis of 3H-pregnanetriolone permitted the estimation of pregnanetriolone in urine with a sensitivity in excess of most previous claims. A good correlation (r = +0.97) was obtained between the values from gas liquid chromatography and those of a double isotope derivative method. In contrast to previous reports, these methods indicated that pregnanetriolone is excreted by normal adults. Urinary pregnanetriolone levels were 18-59 mug/24hr for normal subjects, 35-290mug/24hr in Cushing's syndrome and 250-7000 mug/24hr with congenital adrenal hyperplasia. It is concluded that pregnanetriolone is a normal steroid metabolite and its occurrence in Cushing's syndrome does not necessary indicate an abnormal steroid biosynthetic pathway.[1]


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