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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.22, no.1, 2004³â, pp.177-183
À¯±âÁÖ¼®È­ÇÕ¹°¿¡ ´Ü±â°£ ³ëÃâ½ÃŲ ³ÒÄ¡ °£Àå ¾à¹°´ë»çÈ¿¼ÒÀÇ in vivo ¹× in vitro ¹ÝÀÀ
( In vitro and in vivo Responses of MFO Systems in Olive Flounder (Paralichthys olivaceus) Exposed to TBT and TPT for Short-term Period )
ÀüÁß±Õ;ÀÌÁö¼±;Àü¹ÌÁ¤;½É¿øÁØ;ÀÓÇѱÔ; °­¸ª´ëÇб³ ÇØ¾ç»ý¸í°øÇкΠ/ µ¿ÇؾÈÇØ¾ç»ý¹°ÀÚ¿ø¿¬±¸¼¾ÅÍ;°­¸ª´ëÇб³ ÇØ¾ç»ý¸í°øÇкΠ/ µ¿ÇؾÈÇØ¾ç»ý¹°ÀÚ¿ø¿¬±¸¼¾ÅÍ;°­¸ª´ëÇб³ ÇØ¾ç»ý¸í°øÇкΠ/ µ¿ÇؾÈÇØ¾ç»ý¹°ÀÚ¿ø¿¬±¸¼¾ÅÍ;Çѱ¹Çؾ翬±¸¿ø »ýÅÂȯ°æ¿¬±¸º»ºÎ;±¹¸³¼ö»ê°úÇпø ¿ïÁø¼ö»êÁ¾¹¦¹è¾çÀå;
 
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À¯±âÁÖ¼®È­ÇÕ¹°ÀÎ tributyltin chloride (TBTC), tributyltin oxide (TBTO)¿Í triphenyltin chloride (TPTC)¸¦ ³ÒÄ¡ °£ÀåÀ¸·Î ¸¸µç ¹ÌÅ©·ÎÁ»¿¡ in vitroÀûÀ¸·Î ³ëÃâ½ÃÄѼ­ À̵é È­ÇÕ¹°ÀÇ ´ë»ç¿¡ °ü¿©ÇÏ´Â mixed function oxidase (MFO) Áß cytochrome P450 (CYP) ³óµµ¿Í 7-ethoxyresorufin deethylase (EROD) Ȱ¼ºÀÇ º¯È­¸¦ Á¶»çÇÏ¿´À¸¸ç, ¶ÇÇÑ in vivo ½ÇÇè¿¡¼­´Â TPTC¸¦ ³ÒÄ¡¿¡°Ô º¹°­ÁÖ»ç(7.5 mg $kg^{-1}$ BW)ÇÏ¿© °£ÀåÀÇ MFO (CYP³óµµ, NADPH cytochrome c ȯ¿øÈ¿¼Ò Ȱ¼º, NADH chtochrome b5 ȯ¿ø È¿¼Ò Ȱ¼º, EROD Ȱ¼º) ¹ÝÀÀÀ» °æ½ÃÀûÀ¸·Î Á¶»çÇÏ¿´´Ù. ±× °á°ú, in vitro¿¡¼­´Â TBTC, TBTO ¹× TPTC°¡ ¸ðµÎ CYP ³óµµ¿Í EROD Ȱ¼ºÀ» ÀúÇØÇÏ¿´À¸¸ç, ÀúÇØ·ÂÀº TPTC°¡ °¡Àå Äǰí À̾ TBTO, TBTCÀÇ ¼øÀ̾ú´Ù. À¯±âÁÖ¼®È­ÇÕ¹°ÀÇ ³ëÃâ³óµµ¿Í ³ëÃâ½Ã°£°ú ºñ·ÊÇϸ鼭 ÀúÇØÁ¤µµ°¡ Ä¿Á³À¸¸ç, ƯÈ÷ ERODȰ¼ºÀÇ ÀúÇØ´Â ³ëÃâ³óµµ¿¡ Å©°Ô ÀÇÁ¸ÀûÀ̾ú´Ù. ±×¸®°í in vivo½ÇÇè¿¡¼­µµ À¯±âÁÖ¼® È­ÇÕ¹°Àº CYP³óµµ, NADPH cytochrome c ȯ¿øÈ¿¼Ò Ȱ¼º, NADH cytochrome b5 ȯ¿øÈ¿¼Ò Ȱ¼º, EROD Ȱ¼ºÀ» ¾ïÁ¦ÇÏ¿´´Ù. EROD Ȱ¼ºÀº ¿À¿°¹°Áú¿¡ ÀÇÇÑ ¹ÝÀÀÀÌ ¹Î°¨Çϰí ÀçÇö¼ºµµ ÀÖ¾î ¹Ù¶÷Á÷ÇÑ ÃøÁ¤ÁöÇ¥·Î ÀÌ¿ëµÉ ¼ö°¡ ÀÖÀ» °ÍÀÌ´Ù.
Cytochrome P45O (CYP) contents and 7-ethoxyresorufin-O-deethylase (EROD) activity were determined in hepatic microsome of olive flounder (Paralichthys olivaceus) exposed to tributyltin chloride (TBTC), tributyltin oxide (TBTO), and triphenyltin chloride (TPTC). In addition, effects of in vivo (intraperitoneal injection of 7.5 mg $kg^{-1}$ BW) exposure of flounder to TPTC on CYP, NADPH cytochrome c reductase, NADH cytochrome b5 yeductase and EROD levels were measured. In in vitro exposure of hepatic microsome to organotins, TBTC, TBTO and TPTC reduced CYP contents and inhibited EROD activity. The TPTC was the strongest inhibitor, which is followed by TBTO and TBTC. The degree of inhibition, especially EROD acitivity, depended on the exposure duration. In addition, all the target enzymes in flounder were inhibited by TPTC with the in vivo exposure to TPTC. As EROD activity was the most sensitive to the inhibitions and demonstrated good reproducibility of the results, it could be used as a helpful tool toy monitor effects of organotin compounds on mixed funciton oxygenase system in marine fish.
 
Ű¿öµå
flounder;in vivo;TBT;TPT;cytochrome P450;EROD;NADPH cytochrome c reductase;NADH cytochrome b5 reductase;
 
ȯ°æ»ý¹° / v.22, no.1, 2004³â, pp.177-183
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200411922293301)
¾ð¾î : Çѱ¹¾î
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