크롬 노출에 따른 숭어, Mugil cephalus의 혈액성분 변화
Changes of Hematological Constituents in the Mullet, Mugil cephalus Exposed to Chromium
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초록
The study was carried out to investigate the changes of hematological parameters induced by waterborne exposure of chromium (Cr) in the mullet, Mugil cephalus. The mullet was exposed to sub-chronic concentrations of chromium (0, 25, 50, 100, 200 ㎍/L Cr) for 4 weeks. The major hematological findings were significant decreases in the red blood cell (RBC) count and hematocrit value in mullet exposed to ≥50 ㎍/L Cr. Although serum calcium concentration was significantly reduced at ≥50 ㎍/L Cr, magnesium concentration was found to be significantly increased at ≥100㎍/L Cr. The serum glucose and total protein concentrations were significantly increased at 200 ㎍/L Cr. However, serum triglyceride concentration did not show any noticeable changes in the range of 25∼200 ㎍/L Cr of chromium compared to control group during the experimental period. A significant increment of GOT (glutamic oxalate transminase) and GPT (glutamic pyruvate transminase) activities was noticed at ≥100 ㎍/L Cr. These results indicate that hematological and serum biochemical changes in the mullet by waterborne exposure to chromium are affected at more than 50 ㎍/L Cr.
Abstract
The study was carried out to investigate the changes of hematological parameters induced by waterborne exposure of chromium (Cr) in the mullet, Mugil cephalus. The mullet was exposed to sub-chronic concentrations of chromium (0, 25, 50, 100, 200 ㎍/L Cr) for 4 weeks. The major hematological findings were significant decreases in the red blood cell (RBC) count and hematocrit value in mullet exposed to ≥50 ㎍/L Cr. Although serum calcium concentration was significantly reduced at ≥50 ㎍/L Cr, magnesium concentration was found to be significantly increased at ≥100㎍/L Cr. The serum glucose and total protein concentrations were significantly increased at 200 ㎍/L Cr. However, serum triglyceride concentration did not show any noticeable changes in the range of 25∼200 ㎍/L Cr of chromium compared to control group during the experimental period. A significant increment of GOT (glutamic oxalate transminase) and GPT (glutamic pyruvate transminase) activities was noticed at ≥100 ㎍/L Cr. These results indicate that hematological and serum biochemical changes in the mullet by waterborne exposure to chromium are affected at more than 50 ㎍/L Cr.
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