AI Article Synopsis
- The study evaluated how channel catfish liver responds to subacute exposure to polychlorinated biphenyls (PCBs) using electron microscopy and biochemical methods.
- After 21 days of exposure, the fish showed increased microsomal enzyme activity and specific structural changes in the liver's endoplasmic reticulum (ER).
- The research highlighted relationships between biochemical changes and morphological alterations in the liver and compared these findings to similar studies in other fish species.
Article Abstract
The response of the channel catfish liver to subacute exposure of polychlorinated biphenyls was evaluated using electron microscopic and biochemical techniques. After 21 days, treated fish displayed elevated microsomal enzyme activities. Morphologically, the liver produced several patterns of alteration involving the endoplasmic reticulum (ER). Structural alterations included an increase in tubular smooth ER, production of parallel stacks of smooth ER showing continuity with rough ER, and membranous whorls. Biochemical and morphologic findings were correlated in exposed livers, and the relationship of these findings to similar studies in other species of fish is discussed.
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