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We have analyzed free chiral amino acids (aspartate and serine) in the human frontal cortex at different ontogenic stages (from 14 weeks of gestation to 101 years of age) by HPLC with fluorometric detection after derivatization with N-tert-butyl-oxycarbonyl-L-cysteine and o-phthaldialdehyde. Exceptionally high levels of free D-aspartate and D-serine were(More)
An autosomal recessive form of juvenile Parkinsonism (AR-JP) (MIM 600116) is a levodopa-responsive Parkinsonism whose pathological finding is a highly selective degeneration of dopaminergic neurons in the zona compacta of the substantia nigra. By linkage analysis of diallelic polymorphism of the Mn-superoxide dismutase gene (SOD2), we found a family with(More)
UNLABELLED Randomized controlled study in 80 postmenopausal women with osteoporosis was conducted to investigate the effect of a home-based, simple, low-intensity exercise. Low-intensity back-strengthening exercise was effective in improving the quality of life and back extensor strength. INTRODUCTION AND HYPOTHESIS Back-strengthening exercise is(More)
The aim of this study is to evaluate the diagnostic performance of transrectal real-time elastography (TRTE) to differentiate benign from malignant prostatic lesions, with pathologic diagnosis obtained by prostatic needle biopsy. Conventional gray scale transrectal ultrasonography (TRUS) and power Doppler ultrasonography (PDUS) were performed in 107 men who(More)
We investigated the expression of KIT (product of c-kit oncogene), gain-of-function mutations, and activation of its downstream signal transduction in human testicular cancers. KIT was expressed in 88% (22/25) of seminomas and in 44.4% (4/9) of non-seminomas compared to adjacent normal testicular tissue. Nine of the KIT-expressing seminomas had mutations(More)
OBJECTIVE Although radio-frequency ablation (RFA) has been recently applied as a minimally invasive treatment option for renal cell carcinoma (RCC), indication of this modality remains a critical issue due to the lack of complete tumor destruction as well as the uncertainty of its long-term efficacy. We report the efficacy of RFA for nine carefully selected(More)
OBJECTIVES To evaluate and compare the oncologic outcome of hand-assisted retroperitoneoscopic radical nephrectomy (HALS) with that of open radical nephrectomy. METHODS The clinical and follow-up data of 123 patients with localized renal cell carcinoma who underwent HALS were retrospectively compared with those of 70 patients who underwent open radical(More)
BACKGROUND Only 20-30% of patients with refractory or recurrent germ cell tumors (GCT) are cured by salvage chemotherapy. Irinotecan, a new derivative of camptothecin, is a potent anticancer agent against a variety of solid cancers. The current pilot study investigated the efficacy of salvage chemotherapy with irinotecan in combination with cisplatin (CDDP)(More)
A case of neuroendocrine (NE) differentiated prostate cancer is reported herein, which was progressed with NE differentiation during hormonal treatment in adenocarcinoma of the prostate. A 65-year-old man was admitted to our department with increased serum prostate specific antigen (PSA) (150 ng/ml). A prostate biopsy was performed and histological(More)
OBJECTIVES Thymidylate synthase (TS), a key enzyme in DNA synthesis, is overexpressed in a variety of cancer cells. 5-Fluorouracil (5-FU), an anticancer agent used clinically against various cancers, including prostate cancer, inhibits DNA synthesis by binding TS. In this study, we investigated the expression of TS in prostate cancer and its prognostic(More)