Application of octadecylsilyl-silica in purification studies related to the nontransformed rat ventral prostate androgen receptor.
We investigated the application of octadecylsilyl (ODS)-silica in studies related to characterization and purification of the nontransformed rat ventral prostate androgen receptor. The results indicated that ODS-silica successfully separates the free [3H]R1881 from the labeled [3H]R1881 transformed (4-5S) and nontransformed (8-9S) rat ventral prostate androgen receptors. Partial purification of the 8-9S receptor form was performed by the fractionation of rat cytosol using cartridges of the ODS-silica and fast-flow-rate phosphocellulose chromatography. Further purification was accomplished by differential chromatography (DEAE-cellulose and slow-flow-rate phosphocellulose chromatography). This partially purified 8-9S receptor, when analyzed on a gel permeation high-performance liquid chromatography column, resulted in a three-peak pattern of UV absorbance. One of these peaks corresponded to a 59-kD non[3H]R1881-binding protein and the remaining two corresponded to 270-kD and 190-kD[3H]R1881-binding proteins. These results demonstrate the usefulness of ODS-silica in androgen receptor studies. The association of a 59-kD nonsteroid binding protein with the nontransformed rat ventral prostate androgen receptor is discussed.
Koutsilieris
M
M
Department of Biochemistry, Faculty of Medicine, University of Sherbrooke, Quebec, Canada.
Bouthillier
F
F
Grondin
F
F
Radwan
F
F
Carmel
M
M
Elhilali
M
M
Lehoux
J G
JG
D000818:Animals; D002458:Cell Fractionation; D002499:Centrifugation, Density Gradient; D002848:Chromatography, DEAE-Cellulose; D002851:Chromatography, High Pressure Liquid; D003600:Cytosol / Q000032:analysis; D008297:Male; D011467:Prostate / Q000032:analysis / Q000378:metabolism*; D051381:Rats; D011944:Receptors, Androgen / Q000032:analysis / Q000302:isolation & purification*; D012822:Silicon Dioxide / Q000494:pharmacology
D011944:Receptors, Androgen; C026679:octadecylsilica; D012822:Silicon Dioxide