Junko Sayato-Suzuki

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Endocrine disruptors possibly exert effects on neuronal functions leading, in particular, to behavioural alterations. In this study, we examined the effects of dicyclohexylphthalate (DCHP), an endocrine disruptor, on rat behavioural and cellular responses. Single intracisternal administration of DCHP (0.87-87 nmol) into 5-day-old male Wistar rats caused(More)
The role of metallothionein (MT) in protecting skin cells against UVB irradiation was investigated. Fibroblast strains from normal adult (HS-K) and neonatal (NB1RGB) human skins as well as keratinocyte strains from human skin (SV40-HSK) and newborn Balb/c mouse skin (Pam 212) were exposed to UVB irradiation. The sensitivity of HS-K and NB1RGB cells to UVB(More)
Mouse metallothioneins (MTs) were separated into three isoforms by an anion-exchange h.p.l.c. column; conventionally isolated MT-1 and MT-2 showed a single peak (MT-1-1) and two peaks (MT-2-1 and MT-2-2), respectively. In growing cells, developing hepatocytes and growing tumour cells, MT-1/MT-2 ratios were less than 0.6, irrespective of the type of MT(More)
To investigate Zn and Cu accumulation and isometallothionein (iso-MT) induction in ascites-sarcoma S180A cells, 5 micrograms of Zn2+ or Cu2+/g body weight was administered to tumour-bearing mice intraperitoneally. In the tumour cells the Zn or Cu concentration increased more than in the host liver, which is the target organ for those metals; the maximum Zn(More)
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