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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.25, no.4, 2007³â, pp.289-296
Di-(2-ethylhexyl)phthalate¿¡ ÀÇÇÑ ÈòÁã °£¼¼Æ÷ ¹Ì¼¼±¸Á¶¿Í metallothionein ¹ßÇö¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Ultrastructure and Metallothionein Expression in Rat Liver Treated with Di-(2-ethylhexyl)phthalate )
±è´ÙÇÔ;¹®½ÂÈÆ;À̹̿µ;ÀÌÁ¾È­;¹Ú¿µÇö;½Å±æ»ó;±è¿ÏÁ¾; ¼øÃµÇâ´ëÇб³ »ý¸í°úÇаú;¼øÃµÇâ´ëÇб³ »ý¸í°úÇаú;¼øÃµÇâ´ëÇб³ ÀÇ·á»ý¸í°øÇаú;¼øÃµÇâ´ëÇб³ ȯ°æº¸°ÇÇаú;¼øÃµÇâ´ëÇб³ ½Äǰ¿µ¾çÇаú;¼øÃµÇâ´ëÇб³ »ý¸í°úÇаú;¼øÃµÇâ´ëÇб³ »ý¸í°úÇаú;
 
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º» ¿¬±¸¿¡¼­´Â ³»ºÐºñ°è Àå¾Ö¹°ÁúÀ¸·Î ¾Ë·ÁÁ® ÀÖ°í, ÇÃ¶ó½ºÆ½ Á¦Ç°ÀÇ °¡¼ÒÁ¦·Î »ç¿ëµÇ°í ÀÖ´Â di-(2-ethylhexyl) phthalate (DEHP)°¡ ÈòÁãÀÇ °£¼¼Æ÷ ¹Ì¼¼±¸Á¶¿Í °£Á¶Á÷³» metallothionein (MT)ÀÇ ¹ßÇö ¾ç»ó¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Á¶»çÇÏ¿´´Ù. DEHP´Â ÈòÁã °£¼¼Æ÷ÀÇ ¹Ì¼¼±¸Á¶¿Í MT ¹ßÇö¿¡ ¿µÇâÀ» ÁÖ¾ú´Ù. ½ÇÇ豺ÀÇ °æ¿ì Á¶¸é¼ÒÆ÷ü°¡ ¹ß´ÞÇϰí, ¹ÌÅäÄܵ帮¾Æ°¡ Áõ°¡ÇÏ¸ç ¸®¼Ò¼Ø ȤÀº ÆÛ¿Á½ÃÁ»µéÀÌ Áõ°¡ÇÏ´Â °æÇâÀ» ³ªÅ¸³Â´Ù. ÇÑÆí, MT ¹ßÇöÀÇ º¯È­¸¦ ¸é¿ª¼¼Æ÷ È­ÇÐÀû ¹æ¹ý°ú western BlotÀ» ¼öÇàÇÑ °á°ú Àú³óµµ Åõ¿©±º¿¡¼­´Â ¾à 1.5¹è, °í³óµµ Åõ¿©±º¿¡¼­´Â ¾à 2¹è °¡·® Áõ°¡ÇÏ´Â °á°ú¸¦ ³ªÅ¸³Â´Ù. °á·ÐÀûÀ¸·Î DEHP´Â ÈòÁã °£¼¼Æ÷ÀÇ ±¸Á¶¿Í ±â´É¿¡ ¿µÇâÀ» ÁÖ´Â °ÍÀ¸·Î ÆÇ´ÜµÇ¸ç, ÀÌ·¯ÇÑ ¼¼Æ÷³» ½ºÆ®·¹½º°¡ MT ¹ßÇö Áõ°¡ Çö»ó°ú ¿¬°üÀÌ ÀÖÀ» °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
Di-(ethyhexyl) phthalate (DEHP), commonly used as a plasticizer for manufacturing flexible vinyl products, has been the topic of extensive research, especially concerning endocrine disrupting properties. Metallothionein (MT) is a low molecular weight (6,000$sim$7,000 Da), cysteine-rich (22$sim$23%), metal-binding protein and is known to be induced by extrinsic factors such as chemical agents and stresses. Some of the known function of MT include detoxification of heavy metals and alkylating agents and neutralization of free radicals. Nonetheless, the definitive physiological function of MT are still unknown. This study was carried out to investigate the effects of DEHP on the ultrastructural changes and the expression of MT of the rat liver. The rats were orally intubated with either corn oil (experimental control) or 0.5 mg, 1.5 mg and 4.5 mg DEHP kg$^{-1}$ day$^{-1}$ in 0.5 mL of corn oil for 15 days before sacrificing and sampling. DEHP induced mild ultrastrctural changes of some cell organelles such as rough endoplasmic reticulum, mitochondria, lysosomes and peroxisomes in the rat liver treated with DEHP. In the respect of immunogold labelling and Western blotting, MT expression of the liver tissue was up-regulated by DEHP. In conclusion, DEHP has effects on the ultrastructures and hepatic function for MT expression in rat.
 
Ű¿öµå
Di-(ethylhexyl)phthalate (DEHP);liver;metallothionein;
 
ȯ°æ»ý¹° / v.25, no.4, 2007³â, pp.289-296
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200714364665461)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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