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1994-10-25
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Document 2691
DOCN M94A2691
TI Evaluation of peptide-based HIV ELISA kits.
DT 9412
AU Nishimura H; Watanabe T; Hirakawa H; Kageyama S; Kurimura T; Nippon
Shoji Kaisha, Ltd. Osaka, Japan.
SO Int Conf AIDS. 1994 Aug 7-12;10(1):247 (abstract no. PB0418). Unique
Identifier : AIDSLINE ICA10/94369884
AB OBJECTIVE: The aim of this study is to verify whether or not NB-02(for
detection of HIV-1 and/or-2 antibodies) and NB-06 (for differentiation
between HIV-1 and -2 antibodies) kits are useful as screening and
differentiation tests using an exclusive automatic analyzer. METHODS:
Two kinds of kit(mentioned above) and the exclusive automatic analyzer
were obtained from BIOCHEM IMMUNOSYSTEMS INC. (Canada). The principle of
these kits is ELISA for detection of IgG-Ab. Experimental items:
1)Evaluation of NB-02 for its specificity, reproducibility and
sensitivity; 2) Etiological study on HIV-1 and/or HIV-2 infections in
sera of several races in combination with NB-02 and NB-06. RESULTS: (1)
Evaluation of NB-02; Specificity: Anti HIV-positive samples tested (n =
75) were seropositive by this kit, and the seropositivity was markedly
correlated with that by the Serodia-HIV kits (PA method) which are
widely used as a screening test in Japan; Reproducibility: C.V. of the 3
lots were 3.4, 6.0, 3.2%, respectively; Sensitivity: HIV-positive
samples (n = 75) prediluted 10(4)-fold exhibited to be highly reactive
with the percentage of 96%. (2) It was found that Zambian (n = 28),
Thai(n = 11) and Japanese(n = 19) sera tested were all infected with
HIV-1 alone, whereas Senegalese sera tested (n = 11) were mostly
infected with HIV-2, except for one sample (co-infection with HIV-1 and
-2). DISCUSSION AND CONCLUSIONS: As to the performance of NB-02 and
NB-06 kits and the exclusive automatic analyzer: 1) The operation with
autosystem was simple; 2) The determination was rapid and accurate; 3)
The sensitivity and the reproducibility were satisfactory. From these
results NB-02 and NB-06 using the exclusive automatic analyzer are
useful for routine assay in hospitals and clinical laboratories.
DE AIDS Serodiagnosis/*METHODS Comparative Study Enzyme-Linked
Immunosorbent Assay/*METHODS Human HIV Antibodies/*BLOOD HIV
Seropositivity/*DIAGNOSIS/IMMUNOLOGY HIV-1/*IMMUNOLOGY
HIV-2/*IMMUNOLOGY Peptide Fragments/*IMMUNOLOGY Predictive Value of
Tests *Reagent Kits, Diagnostic Reproducibility of Results MEETING
ABSTRACT
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).