Suppression of antibody-producing cells in rainbow trout spleen sections exposed to copper in vitro
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Abstract
Immunosuppression was demonstrated in sections of rainbow trout Oncorhynchus mykiss (formerly Salmo gairdneri) spleens immunized in vitro and exposed in culture to different concentrations of copper chloride. The sections were immunized with dinitrophenyl-Ficoll and cultured in Eagle's minimum essential medium with 2% fetal calf serum; half of the medium was withdrawn and replaced every other day. The passive hemolytic plaque assay was used to determine the number of antibody-producing cells 10 d after injection. In the sections cultured with the high copper concentration (100 μg/mL), all cells died; at copper concentrations of 0.1–10 μg/mL, leukocytes remained viable, but fewer antibody-producing cells were present than in organ sections cultured in medium without copper. This in vitro method reduces the number of animals needed and the length of time required to determine toxicity and immunosuppression, and it provides information on the effects of certain environmental pollutants on fish.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Suppression of antibody-producing cells in rainbow trout spleen sections exposed to copper in vitro |
| Series title | Journal of Aquatic Animal Health |
| DOI | 10.1577/1548-8667(1989)001<0057:SOACIR>2.3.CO;2 |
| Volume | 1 |
| Issue | 1 |
| Year Published | 1989 |
| Language | English |
| Publisher | Wiley |
| Contributing office(s) | Leetown Science Center |
| Description | 5 p. |
| First page | 57 |
| Last page | 61 |
| Google Analytic Metrics | Metrics page |