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Volume 32, Number 1 >

CIRCUMOVAL AND CIRCUMLARVAL PRECIPITATE REACTIONS OF ANGIOSTRONGYLUS CANTONENSIS

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Please use this identifier to cite or link to this item:http://doi.org/10.14943/jjvr.32.1.23

Title: CIRCUMOVAL AND CIRCUMLARVAL PRECIPITATE REACTIONS OF ANGIOSTRONGYLUS CANTONENSIS
Authors: OKU, Yuzaburo Browse this author
KAMIYA, Masao Browse this author
Keywords: Angiostrongylus cantonensis
Angiostrongylus costaricensis
circumoval precipitation
circumlarval precipitation
immunodiagnosis
Issue Date: 31-Jan-1984
Publisher: The Graduate School of Veterinary Medicine
Journal Title: Japanese Journal of Veterinary Research
Volume: 32
Issue: 1
Start Page: 23
End Page: 39
Abstract: Using sera obtained from Angiostrongylus cantonensis-infected or -transferred rats and immunized guinea pigs with A. cantonensis homogenate, positive circumoval and circumlarval precipitate reactions on living A. cantonensis at various developmental stages were recognized after incubation at 34℃ for 24hr. Characteristic precipitates were mainly formed on the excretory pore and cuticle of the 3rd-stage larvae ; the oral opening, excretory pore and cuticle of the 4th-stage larvae ; and the vulva, anus, cloacal and oral openings, excretory pore and cuticle of immature adults. However, precipitates were not formed on the living 1st-stage larvae. Precipitates began to appear 1 to 4 weeks after infection. These reactions were recognized irrespective of the sex and developmental stage of the worm. Positive cross-reactions were observed in the sera from A. costaricensis-infected rats. Applying a technique of immunofluorescence, it was confirmed that immunoglobulins were specifically incorporated into the precipitates. The results of these reactions were compared with those of the indirect hemagglutination and double diffusion tests. For the immunodiagnosis of angiostrongyliasis, the excellency of the circumoval and circumlarval precipitate reactions was noted.
Type: bulletin (article)
URI: http://hdl.handle.net/2115/2306
Appears in Collections:Japanese Journal of Veterinary Research > Volume 32, Number 1

Submitter: 獣医学部図書室

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