Evaluation of methods for chemically coupling foot-and-mouth disease virus to sheep red blood cells for immunological assays. - Suppr | 超能文献

Evaluation of methods for chemically coupling foot-and-mouth disease virus to sheep red blood cells for immunological assays.

作者信息

Varelas-Wesley I, Koster M J, Knudsen R C

出版信息

J Virol Methods. 1985 Jun;11(2):105-17. doi: 10.1016/0166-0934(85)90034-5.

DOI:10.1016/0166-0934(85)90034-5

Abstract

Six methods of chemically coupling proteins to red blood cells were evaluated for their effectiveness in coupling foot-and-mouth disease virus (FMDV) to sheep red blood cells. The coupling agents tested were potassium periodate, 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride (ECDI), chromium chloride, glutaraldehyde, bis-diazotized benzidine (BDB) and N-succinimidyl 3-(2-pyridyldithio) propionate (SPDP). Of these, only the coupling methods using BDB and SPDP resulted in virus-red cell complexes that reacted with FMDV antiserum in passive hemagglutination and passive immune hemolysis assays. The BDB and SPDP methods were studied further to determine optimal coupling conditions, the kinetics of coupling and the effects of chemical couplers on viral integrity. Only the FMDV-red cell complexes formed with SPDP were suitable targets for detecting FMDV antibody producing lymphocytes in a hemolytic plaque assay.

摘要

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