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To clarify the molecular mechanism of neuronal bursting activity of seizures, we have constructed a cDNA library from mouse cerebrum cortex-derived cells treated with pentylentetrazole (PTZ), one of the convulsant drugs. Using a differential screening technique, several cDNA clones whose expressions change with PTZ-treatment were obtained. Among these(More)
To elucidate the behavior of the single ionic channels of cerebral cortical neurons during bursting activity, the effects of pentylenetetrazole (PTZ) on a single potassium channel of primary cultured cerebral cortical neurons from mice were examined. All of the examined 10-day-old primary cultured neurons of the cerebral cortex showed clear bursting(More)
To establish the prognostic value of carcinoembryonic antigen (CEA) concentration in tumor tissue (T-CEA), normal colonic mucosa (N-CEA) and pre-operative serum (S-CEA), we studied 79 patients who underwent resections for colorectal cancer. The patients were separated into groups reflecting laboratory values lower or higher than a diagnostic value (S-CEA)(More)
OBJECTIVE To develop a reliable and practical glucose monitoring system by combining a needle-type glucose sensor with a microdialysis sampling technique for long-term subcutaneous tissue glucose measurements. RESEARCH DESIGN AND METHODS A microdialysis Cuprophan hollow-fiber probe (inner diameter, 0.20 mm; length, 15 mm) was perfused with isotonic saline(More)
SEZ-6 is a brain-specific cDNA. Its expression is increased by convulsant drug and it encodes membrane protein with five copies of short consensus repeat (SCR; complement C3b/C4b binding site) and two repeated sequences which are partially similar to CUB domain (complement Clr/s-like repeat). In this study, we analyzed the gene product of SEZ-6 by antibody(More)
Doctors who learned exclusively western medicine probably understand a priori Kampo (Japanese herbal) medicine merely as a kind of folk medicine which is not so effective and only a supplementary therapy to western medicine. We have been performing experiments on the mechanism of epileptogenesis mainly at the cellular level for a long time. During the(More)
We report here the characterization and functional roles of the leptin receptor (ObR) in bovine adrenal medullary cells. The plasma membranes isolated from bovine adrenal medulla showed a single class of specific binding sites of (125)I-leptin with an apparent K(d) of 6.6 nM and B(max) of 62 fmol/mg protein. ObRa but not ObRb mRNA was detected in bovine(More)
Recently, we characterized leptin receptors in bovine adrenal medullary cells (Yanagihara et al. 2000). Here we report the stimulatory effect of leptin on catecholamine synthesis in the cells. Incubating cells with leptin (10 nM) for 20 min increased the synthesis of 14C-catecholamines from [14C]tyrosine, but not from L-3,4-dihydroxyphenyl [3-14C]alanine.(More)
The REV3 gene of budding yeast encodes the catalytic subunit of DNA polymerase zeta that carries out translesion DNA synthesis. While REV3-null yeast mutants are viable and exhibit normal growth, Rev3-deficient mice die around midgestation of embryogenesis, which is accompanied by massive apoptosis of cells within the embryo proper. We have investigated(More)