Medical Mycology Journal
Online ISSN : 2186-165X
Print ISSN : 2185-6486
ISSN-L : 2185-6486
Volume 56, Issue 2
Displaying 1-5 of 5 articles from this issue
Medical Mycology Journal
Original Article
Nippon Ishinkin Gakkai Zasshi
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Original Article
  • Taminori Obayashi, Atsushi Sugimoto, Chie Takigawa, Noritaka Sekiya, J ...
    2015 Volume 56 Issue 2 Pages J73-J79
    Published: 2015
    Released on J-STAGE: June 15, 2015
    JOURNAL FREE ACCESS
    Using 415 residual blood samples subjected to (1→3) -β-D-glucan assay, we studied the correlation of measurement results between Fungitec G Test MKII “Nissui” (Nissui Pharmaceutical Co., Ltd., Tokyo) and its predecessor, Fungitec G Test MK (Seikagaku Corporation, Tokyo), which is now out of production. Their major difference is that MK II uses reagents derived from blood cells of Limulus polyphemus, the American horseshoe crab, whereas MK used those of Tachypleus tridentatus, an Asian horseshoe crab. Passing-Bablok analysis showed a linear regression with nearly one-to-one correspondence (slope=1.065, intercept=-0.287) between the two test kits over the regular range of measurements (4.0 pg/ml -500 pg/ml ). This was also true when data were subdivided and analyzed in the low to medium (≦150 pg/ml ) and in the low range (≦50 pg/ml ). There were several cases, however, that showed a wide discrepancy between the pair of measurements. This discrepancy is believed to be due in part to the difference between Limulus and Tachypleus in their reactivity to β-glucans with diverse side chains. Despite of this, the even distribution on either side of the regression line of those samples that are associated with deep fungal infection and the abrupt disappearance of such samples below 20 pg/ml attest that MK II “Nissui” is an acceptable successor of MK.
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