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1)¡¡»àË´¤ª¤è¤Ó°ìÈ̾õÂÖ

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2)¡¡ÂνÅ(Fig¡¥1¡¤2)

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3)¡¡ÀݱÂÎÌ(Fig¡¥3¡¤4)

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4)¡¡Íº¤Î·ì±Õ³Ø¸¡ºº(Table 1)

·ì±Õ³ØŪ¸¡ºº¤Ç¤Ï¡¤100 mg/kg·²¤ÇÂоȷ²¤ËÈæ¤ÙMCHC¤¬ÄãÃͤò¼¨¤·¤¿¤¬·ÚÈù¤ÊÊѲ½¤Ç¤¢¤ê¡¤HGB¤ª¤è¤ÓHCT¤ËÊѲ½¤¬Ç§¤á¤é¤ì¤Ê¤¤¤³¤È¤«¤éÈ︳ʪ¼ÁÅêÍ¿¤Î±Æ¶Á¤Ç¤Ï¤Ê¤¤¤ÈȽÃǤµ¤ì¤¿¡¥¤½¤Î¾¤Î¸¡ºº¹àÌܤǤÏÂоȷ²¤ÈÈ︳ʪ¼ÁÅêÍ¿·²¤È¤Î´Ö¤Ëº¹¤Ïǧ¤á¤é¤ì¤Ê¤«¤Ã¤¿¡¥

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5)¡¡Íº¤Î·ì±ÕÀ¸²½³Ø¸¡ºº(Table 2)

100 mg/kg·²¤ÇÂоȷ²¤ËÈæ¤ÙÁíÃÁÇò¤ª¤è¤Ó¥¢¥ë¥Ö¥ß¥ó¤¬¹âÃͤò¼¨¤·¤¿¡¥¤Þ¤¿¡¤Æ±·²¤ÇGPT¤¬ÄãÃͤò¼¨¤·¤¿¡¥¤½¤Î¾¤Î¸¡ºº¹àÌܤǤÏÂоȷ²¤ÈÈ︳ʪ¼ÁÅêÍ¿·²¤È¤Î´Ö¤Ëº¹¤Ïǧ¤á¤é¤ì¤Ê¤«¤Ã¤¿¡¥

6)¡¡´ï´±½ÅÎÌ(Table 3,4)

ͺ¤Ç¤Ï¡¤Âоȷ²¤ËÈæ¤Ù10 mg/kg·²¤ÇÉû¿Õ¤Î¼Â½ÅÎ̤¬¹âÃͤò¼¨¤·¡¤100 mg/kg·²¤Ç¿Õ¡¡¤Éû¿Õ¤Î¼Â½ÅÎ̤ª¤è¤ÓÁêÂнÅÎ̤¬¤È¤â¤Ë¹âÃͤò¼¨¤·¤¿¡¥

»ó¤Ç¤Ï¡¤Âоȷ²¤ËÈæ¤Ù100 mg/kg·²¤Ç¿Õ¡¤Î¼Â½ÅÎ̤ª¤è¤ÓÁêÂнÅÎ̤¬¹âÃÍ·¹¸þ¤ò¼¨¤·¤¿¡¥

7)¡¡Ë¶¸¡½ê¸«

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Ç¥¿±¤òÀ®Î©¤µ¤»¤¿Íº¤Ï¡¤Âоȷ²¡¤10¡¤30¤ª¤è¤Ó100 mg/kg·²¤Ç¤½¤ì¤¾¤ì10¡¤11¡¤11¤ª¤è¤Ó2Îã¤Ç¤¢¤ê¡¤Âоȷ²¤Çç£Â¡¤ÎÈîÂ礪¤è¤Ó´Î¡¤Î²«¿§Èῶè°è¤¬¡¤30 mg/kg·²¤Ç¥ê¥ó¥ÑÀá¤ÎÈîÂ硤¶»Á£¤ÎÀÖ¿§²½¤ª¤è¤ÓÈé²¼¤Î²ô¤¬¤½¤ì¤¾¤ìñȯÀ­¤Ëǧ¤á¤é¤ì¤¿¡¥

¼«Á³Ê¬ÊÚ¤·¤¿»ó¤Ï¡¤Âоȷ²¡¤10¡¤30¤ª¤è¤Ó100 mg/kg·²¤Ç¤½¤ì¤¾¤ì10¡¤12¡¤11¤ª¤è¤Ó2Îã¤Ç¤¢¤ê¡¤10 mg/kg·²¤Ç¶»Á£¤ÎÀÖ¿§²½¤ª¤è¤ÓÍñÁã¤Îǹ˦¤¬Ã±È¯À­¤Ëǧ¤á¤é¤ì¤¿¡¥

Ç¥¿±¤òÀ®Î©¤µ¤»¤Ê¤«¤Ã¤¿Íº¤Ï¡¤Âоȷ²¡¤30¤ª¤è¤Ó100 mg/kg·²¤Ç¤½¤ì¤¾¤ì2¡¤1¤ª¤è¤Ó9Îã¤Ç¤¢¤ê¡¤Âоȷ²¤ÇÊ¢¹Ð¤Î²ô¤¬¡¤100 mg/kg·²¤ÇÇÙ¤ª¤è¤Ó¿Õ¡¤Î¹õ¿§Èῶè°è¤¬¤½¤ì¤¾¤ìñȯÀ­¤Ëǧ¤á¤é¤ì¤¿¡¥

Ç¥¿±ÉÔÀ®Î©¤Î»ó¤Ï¡¤Âоȷ²¡¤30¤ª¤è¤Ó100 mg/kg·²¤Ç¤½¤ì¤¾¤ì2¡¤1¤ª¤è¤Ó10Îã¤Ç¤¢¤ê¡¤100 mg/kg·²¤Ç¿Õ¡¤Îáíº¯¤¬1Îã¤Ëǧ¤á¤é¤ì¤¿¡¥

8)¡¡ÉÂÍýÁÈ¿¥³Ø¸¡ºº(Table 5)

»àË´¤·¤¿10 mg/kg·²¤Îͺ¤Î1Îã¤Ë¤ÏÇÙ¤Îݵ·ì¡¤ºÙ˦¿»½á¤ª¤è¤Ó´Î¡¤Îݵ·ì¤¬¡¤100 mg/kg·²¤Îͺ¤Î1Îã¤Ë¤ÏÇÙ¤Îݵ·ì¤ª¤è¤ÓÁ°°ß¤Î³Ñ²½Ð¶¿Ê¤¬¤½¤ì¤¾¤ìǧ¤á¤é¤ì¤¿¤¬¡¤»à°ø¤Ë¤Ä¤¤¤Æ¤ÏÉÔÌÀ¤Ç¤¢¤Ã¤¿¡¥

ͺ¤Ç¤Ï¡¤Á°°ß¤Î¸Â³¦±ïÉÕ¶á¤Î٨ʿ¾åÈé¤ÎÁýÀ¸¤¬30¤ª¤è¤Ó100 mg/kg·²¤Ç¡¤Á°°ßÇ´Ëì²¼ÁÈ¿¥¤Î¿å¼ð¤¬30 mg/kg·²¤Ç¤½¤ì¤¾¤ìÂоȷ²¤ËÈæ¤ÙÅý·×³ØŪ¤ËÍ­°Õ¤ÊȯÀ¸¿ô¤ÎÁý²Ã¤ò¼¨¤·¤¿¡¥¤Þ¤¿¡¤Á£°ßÇ´Ëì²¼ÁÈ¿¥¤Î¿å¼ð¤¬100 mg/kg·²¤Ç¡¤Á£°ß¤ÎºÙ˦¿»½á¤¬30 mg/kg·²¤Ç¤½¤ì¤¾¤ìÂоȷ²¤ËÈæ¤ÙÍ­°Õ¤Ê¸º¾¯¤ò¼¨¤·¤¿¡¥¤½¤Î¾¡¤¿´Â¡¤ÎºÙ˦¿»½á¡¤ç£Â¡¤Î¿§ÁÇÄÀÃ塤Á£°ß¤ÎºÙ˦¿»½á¡¤´Î¡¤Î¾®Æù²ê¼ð¡¤¿Õ¡¤ÎÇ¢ºÙ´É¹¥±ö´ð²½¡¤Á°°ß¤Î¿å¼ð¡¦ºÙ˦¿»½á¡¤´Î¡¤ª¤è¤Ó¿Õ¡¤Î¥ê¥ó¥Ñµå¿»½áÅù¤¬³Æ·²¤ËÊ£¿ôÎã¤Ë´Ñ»¡¤µ¤ì¤¿¤¬¡¤¤½¤ÎȯÀ¸¿ô¤ËÂоȷ²¤ÈÈ︳ʪ¼ÁÅêÍ¿·²¤Î´Ö¤ËÌÀ¤é¤«¤Êº¹¤Ï¤Ê¤«¤Ã¤¿¡¥

»ó¤Ç¤Ï¡¤Á°°ß¤ÎºÙ˦¿»½á¤¬100 mg/kg·²¤ÇÍ­°Õ¤ÊȯÀ¸¿ô¤ÎÁý²Ã¤ò¼¨¤·¤¿¤¬¡¤°ß¤Î¤½¤Î¾¤ÎÊѲ½¤Ë¤ÏÂоȷ²¤È100 mg/kg·²¤Î´Ö¤ËȯÀ¸¿ô¤Îº¹¤Ï¤ß¤é¤ì¤Ê¤«¤Ã¤¿¡¥¤Þ¤¿¡¤ç£Â¡¤Î¿§ÁÇÄÀÃ夬100 mg/kg·²¤ÇÍ­°Õ¤ÊȯÀ¸¿ô¤ÎÁý²Ã¤ò¼¨¤·¡¤ç£Â¡¤ª¤è¤Ó´Î¡¤Ë¤ª¤±¤ë¿ñ³°Â¤·ì¤¬Æ±·²¤Ç¸º¾¯¤·¤¿¡¥¤½¤Î¾¡¤Âоȷ²¤ª¤è¤Ó100 mg/kg·²¤Ë¤ª¤¤¤Æ´Î¡¤Î¾®Æù²ê¼ð¤¬Ê£¿ôÎã¤Ë´Ñ»¡¤µ¤ì¤¿¡¥

Ç¥¿±¤òÀ®Î©¤µ¤»¤Ê¤«¤Ã¤¿Íº¤Ç¤Ï¡¤100 mg/kg·²¤ÎÁ°°ß¤Î٨ʿ¾åÈéÁýÀ¸¤¬Ç¥¿±¤òÀ®Î©¤µ¤»¤¿Íº¤ËÈæ¤Ù¡¤ÉÂÊѤÎÄøÅÙ¤¬¶¯¤¯(9ÎãÃæ6Î㤬ÃæÅùÅÙ)ȯ¸½¤·¤¿Â¾¡¤100 mg/kg·²¤ÇÁ°°ß¤Î¿å¼ð¡¦ºÙ˦¿»½á¡¦Ù¨Ê¿¾åÈéÁýÀ¸¡¤Á£°ß¤ÎºÆÀ¸¾åÈ顤¥ê¥ó¥Ñµå¿»½á¤Ê¤É¤¬´Ñ»¡¤µ¤ì¤¿¡¥¤½¤Î¾¡¡100 mg/kg·²¤Ç¤Ï¡¤¿´Â¡¤ÎºÙ˦¿»½á¤Ê¤é¤Ó¤Ëç£Â¡¤Î¿§ÁÇÄÀÃ夬¤ä¤ä¿¤¤È¯À¸¿ô¤ò¼¨¤·¤¿¡¥¤Ê¤ª¡¤¤³¤ì¤é¤Îưʪ¤ÎÀºÁ㡤ÀºÁã¾åÂΡ¤ÀºÇ¹¡¤Á°Î©Á£¤ª¤è¤Ó²¼¿âÂΤËÉÔÇ¥¤Î¸¶°ø¤È¹Í¤¨¤é¤ì¤ë°Û¾ï½ê¸«¤Ïǧ¤á¤é¤ì¤Ê¤«¤Ã¤¿¡¥

Ç¥¿±ÉÔÀ®Î©¤Î»ó¤Ç¤Ï¡¤Á°°ß¤ÈÁ£°ß¤ÎºÙ˦¿»½á¤¬100 mg/kg·²¤ÇÊ£¿ôÎã¤Ëǧ¤á¤é¤ì¤¿¡¥¤Þ¤¿¡¤ç£Â¡¤Î¿§ÁÇÄÀÃ夬³Æ·²¤ÎÁ´Îã¤Ë¡¤¿´Â¡¤ÎºÙ˦¿»½á¡¤´Î¡¤Î¾®Æù²ê¼ð¤ª¤è¤ÓÁ°°ß¤Î٨ʿ¾åÈéÁýÀ¸¤¬100 mg/kg·²¤ÇÊ£¿ôÎã¤Ë´Ñ»¡¤µ¤ì¤¿¡¥¤Ê¤ª¡¤»ÒµÜ¿å¼ð¤¬100 mg/kg·²¤ÇÊ£¿ôÎã¤Ë´Ñ»¡¤µ¤ì¤¿¤¬¤½¤ÎȯÀ¸¿ô¤ËÂоȷ²¤È¤Î´Ö¤ËÌÀ¤é¤«¤Êº¹°Û¤Ïǧ¤á¤é¤ì¤º¡¤¤³¤ì¤éưʪ¤ÎÍñÁã¤Ë¤Ï°Û¾ï½ê¸«¤Ïǧ¤á¤é¤ì¤Ê¤«¤Ã¤¿¡¥

9)¡¡ÀººÙ´É¤ÎÀº¾åÈéºÙ˦¤Î´Ñ»¡(Table 6)

Âоȷ²¤ª¤è¤Ó100mg/kg·²Á´Îã¤ÎÀºÁã¤Ë¤Ä¤¤¤Æ¥¹¥Æ¡¼¥¸­¼¤ÎÀººÙ´É¤ÎÀº¾åÈéºÙ˦¿ô¤ò¬Äꤷ¤¿¡¥ÀºÁĺÙ˦(type A)¡¤¥×¥ì¥ì¥×¥È¥Æ¥ó´üÀºÊìºÙ˦¡¤¥Ñ¥­¥Æ¥ó´üÀºÊìºÙ˦¡¤¥¹¥Æ¥Ã¥×­¼Àº»ÒºÙ˦¤ª¤è¤Ó¥»¥ë¥È¥êºÙ˦¿ô¤ÏÂоȷ²¤ÈÈæ³Ó¤·¤Æº¹¤Ïǧ¤á¤é¤ì¤Ê¤«¤Ã¤¿¡¥

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1)¡¡¸òÈø¤ª¤è¤Ó¼õÂÛǽ(Table 7)

¸òÈø¤Ï¡¤Âоȷ²¤ò´Þ¤à¤¹¤Ù¤Æ¤Î·²¤ÇÀ®Î©¤·¤¿¡¥¼õÂÛΨ¤Ï¡¤Âоȷ²¡¤10¡¤30¤ª¤è¤Ó100 mg/kg·²¤Ç¤½¤ì¤¾¤ì 81.8¡¤100.0¡¤91.7¤ª¤è¤Ó16.7¡ó¤Ç¤¢¤ê¡¤Âоȷ²¤ËÈæ¤Ù100 mg/kg·²¤ÇÄãÃͤò¼¨¤·¤¿¡¥

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2)¡¡Ê¬ÊÚ¤ª¤è¤ÓÓ®°é(Table 8)

100mg/kg·²¤ÇÂоȷ²¤ËÈæ¤ÙÇ¥¿±²«Âοô¡¤Ãå¾²º¯¿ô¡¤½Ð»º»ù¿ô¡¤½Ð»ºÀ¸»ù¿ô¡¤Ã徲Ψ¤ª¤è¤ÓʬÊÚΨ¤¬ÄãÃÍ·¹¸þ¤ò¼¨¤·¤¿¡¥

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3)¡¡¿·À¸»ù¤Î·ÁÂÖ¡¤ÂνŤª¤è¤Ó˶¸¡½ê¸«

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1) OECD guideline for testing of chemicals:Extended Steering Group Document. Vol.3, 1990.
2) L. D. Russell, R. A. Ettlin, A. P. S. Hikim and E. D. Clegg, "Histological and histopathological evaluation of the testis," Cache River Press, Florida, 1990, pp.1-118.
3) ¹â¶¶Æ»¿Í¡¤»°¿¹¹ñÉÒ¡¤¸ÅÀîʸÉס¤°æ¾å¼Â¡¤¾¾°æ¸µ¡¤"ÀºÁãÆÇÀ­É¾²Á¤Î¤¿¤á¤ÎÀººÙ´É¥¢¥È¥é¥¹," ¥½¥Õ¥È¥µ¥¤¥¨¥ó¥¹¼Ò¡¤1994¡¥
4) C. G. Shayne and S. W. Carrol, "Statics and Experimental Design For Toxicologists." Telford Press, 1986.
5) º´ÌîÀµ¼ù¡¤²¬»³²Â¹°¡¤°åÌô°ÂÁ´À­¸¦µæ²ñ²ñÊó¡¤32¡¤21(1990).
6) M. Yoshida, J. J. Soc. comp. Stat., 1, 111(1988)
7) º´µ×´Ö¾¼¡¤"Ìô¸úɾ²Á­µ-·×²è¤È²òÀÏ-," ÅìµþÂç³Ø½ÐÈDzñ¡¤Åìµþ¡¤1977¡¥
8) ÀÐµï ¿Ê¡¤"À¸ÊªÅý·×³ØÆþÌç," ÇÝÉ÷´Û¡¤Åìµþ¡¤1975¡¥

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Correspondence
Authors:Ryota Tanaka(Study director),
Keiichi Ito,Kousuke Oba,
Akinori Shoji,Sinji Yamamoto,
Makoto Enomoto
Biosafety Research Center,Foods,Drugs and Pesticides(An-pyo Center)582-2 Shioshinden
Arahama ,Fukude-cho¡¤Iwata-gun¡¤Shizuoka, 437-12,Japan
Tel +81-538-58-1266¡¡Fax +81-538-58-1393