Effect of anesthesia on a whole blood lymphocyte proliferation assay in the rat.

Abstract:

:Lymphocyte proliferation assays are commonly used to quantify the effects of immunosuppressive drugs in animal models, but the influence of anesthetic agents on those assays is not well understood. We used a whole blood proliferation assay to compare lymphocyte proliferation in blood drawn from normal male Lewis rats that were sedated using three common methods. Rats (n = 12) were serially bled from the orbital plexus while anesthetized with diethyl ether, methoxyflurane, or carbon dioxide. Before the beginning of the anesthetic trials, a random subset of the rats (n = 6) was bled via the jugular vein using only manual restraint to provide a baseline control group. A comparison of the lymphocyte proliferation results obtained under these four conditions (manual restraint, diethyl ether, methoxyflurane, or CO2) showed no significant differences. The only hematological variation seen was an elevation of the number of circulating lymphocytes when ether was used. We conclude that there is no justification for withholding sedation when bleeding rats for this type of lymphocyte proliferation. Furthermore, when considering the use of one of the agents examined in this study, the method can be chosen based on factors other than potential adverse effects on the assay results.

authors

Gummert JF,Otto G,Barten MJ,Morris RE

doi

10.3109/08923979909052762

subject

Has Abstract

pub_date

1999-05-01 00:00:00

pages

267-76

issue

2

eissn

0892-3973

issn

1532-2513

journal_volume

21

pub_type

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