Testicular FSH and hCG Receptors in Sertoli-Cell-Only Syndrome

A. Okuyama Department of Urology and Pathology, Osaka University Medical School, Osaka, Japan; Departments of Urology, Osaka-Central Hospital, and Takatsuki Hospital, Osaka, Japan

N. Nonomura Department of Urology and Pathology, Osaka University Medical School, Osaka, Japan; Departments of Urology, Osaka-Central Hospital, and Takatsuki Hospital, Osaka, Japan

E. Koh Department of Urology and Pathology, Osaka University Medical School, Osaka, Japan; Departments of Urology, Osaka-Central Hospital, and Takatsuki Hospital, Osaka, Japan

N. Kondoh Department of Urology and Pathology, Osaka University Medical School, Osaka, Japan; Departments of Urology, Osaka-Central Hospital, and Takatsuki Hospital, Osaka, Japan

M. Nakamura Department of Urology and Pathology, Osaka University Medical School, Osaka, Japan; Departments of Urology, Osaka-Central Hospital, and Takatsuki Hospital, Osaka, Japan

M. Namiki Department of Urology and Pathology, Osaka University Medical School, Osaka, Japan; Departments of Urology, Osaka-Central Hospital, and Takatsuki Hospital, Osaka, Japan

T. Yoshida Department of Urology and Pathology, Osaka University Medical School, Osaka, Japan; Departments of Urology, Osaka-Central Hospital, and Takatsuki Hospital, Osaka, Japan

H. Fujioka Department of Urology and Pathology, Osaka University Medical School, Osaka, Japan; Departments of Urology, Osaka-Central Hospital, and Takatsuki Hospital, Osaka, Japan

H. Kiyohara Department of Urology and Pathology, Osaka University Medical School, Osaka, Japan; Departments of Urology, Osaka-Central Hospital, and Takatsuki Hospital, Osaka, Japan

K. Matsumoto Department of Urology and Pathology, Osaka University Medical School, Osaka, Japan; Departments of Urology, Osaka-Central Hospital, and Takatsuki Hospital, Osaka, Japan

T. Sonoda Department of Urology and Pathology, Osaka University Medical School, Osaka, Japan; Departments of Urology, Osaka-Central Hospital, and Takatsuki Hospital, Osaka, Japan

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Abstract

Testicular FSH and hCG receptors were measured in patients with Sertoli-cell-only syndrome (SCOS), and the value of B_max for each hormone was compared with the value in subjects with normal testes. FSH receptor was detectable in only four of 10 patients, and the mean value of B_max in four of the 10 patients was clearly lower than that in normal testes (p < 0.005). On the other hand, hCG receptors were detected in all of six tested patients, and the mean value of B_max was lower, but not remarkably so, than that in the normal testes. The function of Sertoli cells was remarkably impaired in most men with SCOS, whereas the function of Leydig cells was relatively preserved.

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Testicular FSH and hCG Receptors in Sertoli-Cell-Only Syndrome

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