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J Infect Dis. 1989 Jan;159(1):50-9.

An enzyme-linked immunoelectrotransfer blot assay and glycoprotein antigens for diagnosing human cysticercosis (Taenia solium).

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Division of Parasitic Diseases, Centers for Disease Control, Atlanta, Georgia 30333.


An enzyme-linked immunoelectrotransfer blot (EITB) assay was developed for immunodiagnosing human cysticercosis. The assay uses lentil-lectin, affinity-purified glycoprotein antigens. A battery of 532 serum and 46 cerebrospinal fluid (CSF) samples (148 cases of parasitologically confirmed cysticercosis, 54 healthy controls, and 18 types of heterologous infections [376 cases]) were used to ascertain the assay's efficacy. All but three of the samples from cases of confirmed cysticercosis were positive; none of the samples from healthy controls or heterologous infections reacted to any of the diagnostic bands. Thus, the assay is 98% sensitive and 100% specific. We identified seven major glycoprotein bands that are commonly recognized by virtually all serum and/or CSF samples from patients with confirmed cysticercosis. There was no significant difference in test performance when CSF was compared with serum. The EITB assay is highly reproducible and simple to perform, and the reagents (including the antigens blotted onto strips) are very stable.

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