Sinusoidal 50 Hz, 500 mu T magnetic field has no acute effect on urinary 6-sulphatoxymelatonin in Wistar rats

被引:22
作者
Bakos, J
Nagy, N
Thuroczy, G
Szabo, LD
机构
[1] National "Frédéric Joliot-Curie" Research Institute for Radiobiology and Radiohygiene, Budapest
关键词
melatonin; pineal gland; aMT6s; ELF;
D O I
10.1002/bem.2250160605
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
The effect of a 50 Hz, vertical magnetic field on the excretion of urinary 6-sulphatoxymelatonin (aMT6s) of male and female Wistar rats was studied in a self-controlled experiment. Twenty rats were kept in metabolic cages under 9:15 h light:dark conditions. The urine of the animals was collected twice per day for 5 consecutive days. The concentration of aMT6s in the rat urine was measured by I-125 radioimmunoassay. The rats were exposed to 5 and 500 mu T flux density for 24 h. The excretion of urinary aMT6s did not show significant changes during or after magnetic field exposure. (C) 1995 Wiley-Liss, Inc.
引用
收藏
页码:377 / 380
页数:4
相关论文
共 29 条
[1]   MELATONIN AND 6-SULFATOXYMELATONIN CIRCADIAN-RHYTHMS IN SERUM AND URINE OF PRIMARY PROSTATE-CANCER PATIENTS - EVIDENCE FOR REDUCED PINEAL ACTIVITY AND RELEVANCE OF URINARY DETERMINATIONS [J].
BARTSCH, C ;
BARTSCH, H ;
SCHMIDT, A ;
ILG, S ;
BICHLER, KH ;
FLUCHTER, SH .
CLINICA CHIMICA ACTA, 1992, 209 (03) :153-167
[2]   SEASONALITY OF PINEAL MELATONIN PRODUCTION IN THE RAT - POSSIBLE SYNCHRONIZATION BY THE GEOMAGNETIC-FIELD [J].
BARTSCH, H ;
BARTSCH, C ;
MECKE, D ;
LIPPERT, TH .
CHRONOBIOLOGY INTERNATIONAL, 1994, 11 (01) :21-26
[3]   PINEAL MELATONIN INHIBITION OF TUMOR PROMOTION IN THE N-NITROSO-N-METHYLUREA MODEL OF MAMMARY CARCINOGENESIS - POTENTIAL INVOLVEMENT OF ANTIESTROGENIC MECHANISMS INVIVO [J].
BLASK, DE ;
PELLETIER, DB ;
HILL, SM ;
LEMUSWILSON, A ;
GROSSO, DS ;
WILSON, ST ;
WISE, ME .
JOURNAL OF CANCER RESEARCH AND CLINICAL ONCOLOGY, 1991, 117 (06) :526-532
[4]  
BROWN GM, 1994, MELATONIN GENERAL BI, P24
[5]  
DEACON SJ, 1994, CLIN ENDOCRINOL, V40, P413
[6]  
GUPTA D, 1993, MELATONIN BIOSYNTHES, P417
[7]   WEAK MAGNETIC-FIELDS CHANGE EXTINCTION OF A CONDITIONED REACTION AND DAYTIME MELATONIN LEVELS IN THE RAT [J].
JENTSCH, A ;
LEHMANN, M ;
SCHONE, E ;
THOSS, F ;
ZIMMERMANN, G .
NEUROSCIENCE LETTERS, 1993, 157 (01) :79-82
[8]   CIRCULARLY-POLARIZED 50-HZ MAGNETIC-FIELD EXPOSURE REDUCES PINEAL-GLAND AND BLOOD MELATONIN CONCENTRATIONS OF LONG-EVANS RATS [J].
KATO, M ;
HONMA, K ;
SHIGEMITSU, T ;
SHIGA, Y .
NEUROSCIENCE LETTERS, 1994, 166 (01) :59-62
[9]   EFFECTS OF EXPOSURE TO A CIRCULARLY POLARIZED 50-HZ MAGNETIC-FIELD ON PLASMA AND PINEAL MELATONIN LEVELS IN RATS [J].
KATO, M ;
HONMA, K ;
SHIGEMITSU, T ;
SHIGA, Y .
BIOELECTROMAGNETICS, 1993, 14 (02) :97-106
[10]   HORIZONTAL OR VERTICAL 50-HZ, 1-MU-T MAGNETIC-FIELDS HAVE NO EFFECT ON PINEAL-GLAND OR PLASMA MELATONIN CONCENTRATION OF ALBINO-RATS [J].
KATO, M ;
HONMA, K ;
SHIGEMITSU, T ;
SHIGA, Y .
NEUROSCIENCE LETTERS, 1994, 168 (1-2) :205-208