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(A)
(B)
±×¸². 1. Asia 1/Shamir¿¡ ´ëÇÑ ´ÜŬ·ÐÇ×ü(1F9) (A)¿Í C20-HRP VHH(B)¸¦ ÀÌ¿ëÇÑ indirect ELISA ½ÇÇè
LPB-ELISA ¹ÝÀÀ ÃÖÀûÈ­(optimization)
- È®º¸µÈAsia1Çüshamir½ÃÇè¹é½ÅÁ¢Á¾µÅÁöÇ÷ûÀ»Ç¥ÁØÇ÷ûÀ¸·Î»ç¿ëÇÏ¿©checkerboardtitration
¹æ¹ýÀ» ÀÌ¿ëÇÏ¿© ELISA Ç׿ø, capture & detector antibodyÀÇ ÃÖÀûÀÇ ¹ÝÀÀÁ¶°ÇÀ» °áÁ¤ (Ç¥.1)
Ç¥ 1. Asia 1Çü ShamirÁÖ LPB-ELISAÀÇ ÃÖÀû ¹ÝÀÀ Á¶°Ç
Optimal reaction condition
2
ELISA antigen(Ç׿ø)
0.5 ¥ìg/mL
2
3
Test sera(°¡°ËÇ÷û)
1/20 Èñ¼®
Ç¥
Capture antibody(1F9)
1/100 Èñ¼®
ÁØ
±â
detector antibody (HRP conjugated C20, Mammalian
¼ú
1/2 Èñ¼®
Æí
cell ¹ßÇö »óÃþ¾×)
¶÷
Áø´Ü¼º´É(diagnostic performance) Æò°¡
- ±¸Á¦¿ª Asia1Çü shamirÁÖ ¹ÙÀÌ·¯½º¿¡ ´ëÇÑ ÁßÈ­Ç×ü°Ë»ç¹ý(VNT)À» Ç¥ÁØ(gold standard)À¸·Î ¼³
Á¤ÇÏ°í 70°³ÀÇ ±â È®º¸µÈ Asia1Çü shamir ½ÃÇè¹é½Å Á¢Á¾ µÅÁö Ç÷ûÀ» ÀÌ¿ëÇÑ LPB-ELISA Áø´Ü
¼º´ÉÀ» Æò°¡ÇÔ
¡Ø Asia1/shamir LPB-ELISA´Â 77%ÀÇ ¹Î°¨µµ(sensitivity)¿Í 75%ÀÇ Æ¯À̵µ(specificity)¸¦ ³ªÅ¸³¿(Ç¥.2)
Ç¥ 2. Asia 1Çü ShamirÁÖ LPB-ELISA±â¹ýÀÇ Áø´Ü ¹Î°¨µµ¿Í ƯÀ̵µ
VNT
Sensitivity
Specificity
Positive
Negative
Total
Positive
30
4
34
LPB-ELISA
77%
75%
Negative
9
27
36
Total
39
31
70
34

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