Mullen, Lisa M, Lightfoot, Mary E and Goldsworthy, Graham J (2004) Induced hyperlipaemia and immune challenge in locusts. Journal of Insect Physiology, 50 (5). pp. 409-417. ISSN 0022-1910

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Abstract

Injections of immunogens, such as beta-1,3-glucan or lipopolysaccharide (LPS), bring about a marked hyperlipaemia with associated changes in lipophorins and apolipophorin-III in the haemolymph of Locusta migratoria. These changes are similar to those observed after injection of adipokinetic hormone (AKH). The possibility that endogenous AKH is released as part of the response to these immunogens is investigated using passive immunisation against AKH-I, and measurement of AKH-I titre in the haemolymph after injection of immunogens. The data presented show that, despite the similarity of the changes brought about by the presence of immunogens in the haemolymph to those brought about by AKH, there is no release of endogenous AKH after injection of laminarin or LPS. A direct effect of the immunogens on release of neutral lipids by the fat body cannot be demonstrated in vitro, and the mechanism by which hyperlipaemia is induced during immune challenge remains uncertain.

Item Type:	Article
Schools and Departments:	Brighton and Sussex Medical School > Clinical and Experimental Medicine
Subjects:	Q Science > QR Microbiology > QR0180 Immunology
Depositing User:	Lisa Mullen
Date Deposited:	18 Jan 2013 11:36
Last Modified:	05 Oct 2017 18:27
URI:	http://sro.sussex.ac.uk/id/eprint/43414

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