Optimizing whole blood lymphocyte proliferation in the rat.

Abstract:

:Use of whole blood for lymphocyte proliferation experiments have advantages over the usual isolated lymphocyte procedure. We have systematically optimized methodology for whole blood lymphocyte proliferation in male Sprague-Dawley rats. Both phytohemagglutinin (PHA) and concanavalin A (ConA) stimulate lymphocyte blastogenesis in whole blood. The response of rat lymphocytes to ConA at supra-optimum conditions doubled that of PHA in contrast to what is observed in human lymphocytes. Proliferation rates relate non-linearly to concentrations of both mitogens with profiles showing lag, log and decline phases with increasing concentrations. The effect of incubation period followed a similar pattern with an optimum growth rate at 72 h. Whole blood from adrenalectomized rats gave higher proliferation rates than blood from intact normal rats. Advantages of the technique include: use of as little as 8 microliters of blood for each determination; rats need not be killed, the technique is less cumbersome, less time consuming, and cheaper to carry out than the traditional isolated lymphocyte method.

journal_name

J Immunol Methods

authors

Fasanmade AA,Jusko WJ

doi

10.1016/0022-1759(95)00084-n

subject

Has Abstract

pub_date

1995-08-18 00:00:00

pages

163-7

issue

2

eissn

0022-1759

issn

1872-7905

pii

002217599500084N

journal_volume

184

pub_type

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