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Clinical and Diagnostic Laboratory Immunology, April 2005, p. 513-519, Vol. 12, No. 4
1071-412X/05/$08.00+0     doi:10.1128/CDLI.12.4.513-519.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.

Simultaneous Serodetection of 10 Highly Prevalent Mouse Infectious Pathogens in a Single Reaction by Multiplex Analysis

Imran H. Khan,1,4* Lon V. Kendall,2 Melanie Ziman,1 Scott Wong,1 Sara Mendoza,1 James Fahey,3 Stephen M. Griffey,2 Stephen W. Barthold,1 and Paul A. Luciw1,4

Center for Comparative Medicine,1 Comparative Pathology Laboratory,2 Department of Pathology and Laboratory Medicine, University of California, Davis, CA 95616,4 The Jackson Laboratory, Bar Harbor, ME 046093

Received 18 October 2004/ Returned for modification 12 December 2004/ Accepted 11 February 2005

Under current practices of mouse colony maintenance, sera from mice are analyzed for antibodies against several widespread infectious pathogens by conventional immunoassays, generally enzyme-linked immunosorbent assay (ELISA). To test for multiple agents, these methods consume large volumes of mouse serum and are laborious and time-consuming. More efficient immunoassays, using small amounts of sample, are therefore needed. Accordingly, we have developed a novel multiplex diagnostic system that employs fluorescent microbeads, coated with purified antigens, for simultaneous serodetection of 10 mouse infectious agents. Individually identifiable, fluorescent microbeads were coated with antigens from Sendai virus, mouse hepatitis virus, Theiler's mouse encephalomyelitis virus/GDVII strain, mouse minute virus, mouse cytomegalovirus, respiratory enteric orphan virus (Reo-3 virus), mouse parvovirus, calf rotavirus for epizootic diarrhea virus of infant mice, vaccinia virus for ectromelia virus, and Mycoplasma pulmonis. Standard sera, singly positive for antibodies to individual infectious agents, were generated by inoculation of BALB/cj and C57BL/6j mice. Sera from these experimentally infected mice, as well as sera from naturally infected mice, were analyzed using a mixture of microbeads coated with antigens of the 10 infectious agents listed above. Results demonstrated that the multiplex assay was at least as sensitive and specific as ELISA for serodetection. Importantly, the multiplex assay required only 1 microliter of serum for simultaneous serodetection of the 10 mouse infectious agents in one reaction vessel. Thus, this multiplex microbead assay is a reliable, efficient, and cost-effective diagnostic modality that will impact serosurveillance of mice used in research.

* Corresponding author. Mailing address: Center for Comparative Medicine, University of California at Davis, Hutchison Rd. and County Rd. 98, Davis, CA 95616. Phone: (530) 752-1245. Fax: (530) 752-7914. E-mail: ihkhan{at}ucdavis.edu.

Clinical and Diagnostic Laboratory Immunology, April 2005, p. 513-519, Vol. 12, No. 4
1071-412X/05/$08.00+0     doi:10.1128/CDLI.12.4.513-519.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.



This article has been cited by other articles:

  • Khan, I. H., Mendoza, S., Yee, J., Deane, M., Venkateswaran, K., Zhou, S. S., Barry, P. A., Lerche, N. W., Luciw, P. A. (2006). Simultaneous Detection of Antibodies to Six Nonhuman-Primate Viruses by Multiplex Microbead Immunoassay. CVI 13: 45-52 [Abstract] [Full Text]  
  • Hsu, C. C., Wobus, C. E., Steffen, E. K., Riley, L. K., Livingston, R. S. (2005). Development of a Microsphere-Based Serologic Multiplexed Fluorescent Immunoassay and a Reverse Transcriptase PCR Assay To Detect Murine Norovirus 1 Infection in Mice. CVI 12: 1145-1151 [Abstract] [Full Text]  


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