Tomoyoshi Kaneko

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We present a case of azoospermia with Klippel-Feil anomaly. Klippel-Feil anomaly is characterized by the fusion of two or more cervical vertebrae and a short neck, limitation of head movement, and low posterior hairline. The association of this anomaly with MURCS (Müllerian-duct aplasia, renal agenesis, and cervical somite dysplasia) is traditionally(More)
OBJECTIVE To clinically evaluate the role of intravesical bacillus Calmette-Guérin (BCG) in the management of superficial bladder cancer, focusing on dose, age, high grade/stage, and pretreatment episodes with other therapies in long-term follow-up patients. METHODS A total of 213 patients with superficial (Ta-T1) transitional cell carcinoma of the(More)
BACKGROUND We examined the expressions of Ad4BP/SF-1 and DAX-1 in primary and metastatic lesions of advanced adrenocortical carcinoma with normal hormonal findings by immunohistochemistry and discussed their usefulness as immunohistochemical markers for diagnosis. PATIENTS AND METHODS Four patients (average age 54.3 +/- 3.9) with retroperitoneal and(More)
OBJECTIVE Many reports on varicoceles suggest improved spermatic findings and increased pregnancy rates after correction of these lesions. Early repair during adolescence has been advocated, since clinically apparent varicoceles may affect testicular volume and sperm production in the future. We examined the efficacy of microsurgical varicocelectomy, and(More)
We transferred the adventitious gene pCAGGS-lacZ to mouse testes with the use of a square-wave electroporator and investigated the efficiency of gene transfer (GT) and the influence of the procedure on testicular damage and spermatogenesis. Mice were divided into 5 groups: (1-2) injection of gene/phosphate-buffered saline (PBS) into the interstitial space(More)
Homocysteine plays a key role in several pathophysiological conditions. To assess the methionine-homocysteine kinetics by stable isotope methodology, we developed a simultaneous quantification method of [(2)H(7)]methionine, [(2)H(4)]methionine, methionine, [(2)H(4)]homocysteine and homocysteine in rat plasma by gas chromatography-mass spectrometry (GC-MS).(More)
BACKGROUND The prospect of long-term residence in outer space is becoming a reality. Previously we found that testosterone secretion and spermatogenesis is reduced in model mice on which the shift of body fluids in space is simulated. The present study examines the effects of the microgravity (muG) environment on steroidogenesis of Leydig cells. METHODS(More)
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