Choline Deficiency Attenuates Body Weight Gain and Improves Glucose Tolerance in ob/ob Mice
Metabolic;代谢免疫分析;MSD;代谢/内分泌- J Obes.
- 2012
- 5.551
- 30(36):5358-62.
- Canine,Human,Mouse,Non-Human Primate,Rat
- MSD
- Plasma
- 免疫/内分泌
- Glucagon, Insulin
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LXMC04-1LXMH02-1LXMH03-4LXMH04-7LXMH05-1LXMH07-3LXMH07-5LXMH07-7LXMH07-8LXMH10-9LXMH111-1LXMH22-1LXMH87-1LXMM02-1LXMM02-2LXMM02-3LXMM03-2LXMM03-3LXMM05-1LXMM06-2LXMM06-3LXMM06-4LXMM08-1LXMM10-3LXMM13-1LXMM58-1LXMN06-2LXMR02-2LXMR02-3LXMR03-1LXMR03-3LXMR03-4LXMR05-1LXMR06-1LXMR06-2LXMR07-1LXMR12-1
Abstract
Two major techniques are currently used to estimate rabies virus antibody values: neutralization assays, such as the rapid fluorescent focus inhibition test (RFFIT), and enzyme-linked immunosorbent assays (ELISAs). The RFFIT is considered the gold standard assay and has been used to assess the titer of rabies virus neutralizing antibodies for more than three decades. In the late 1970s, ELISA began to be used to estimate the level of rabies virus antibody and has recently been used by some laboratories as an alternate screening test for animal sera. Although the ELISA appears simpler, safer and more efficient, the assay is less sensitive in detecting low values of rabies virus neutralizing antibodies than neutralization tests. This study was designed to evaluate a new ELISA-based method for detecting rabies virus binding antibody. This new technique uses electro-chemi-luminescence labels and carbon electrode plates to detect binding events. In this comparative study, the RFFIT and the new ELISA-based technique were used to evaluate the level of rabies virus antibodies in human and animal serum samples. By using a conservative approximation of 0.15 IU/ml as a cutoff point, the new ELISA-based technique demonstrated a sensitivity of 100% and a specificity of 95% for human samples and for experimental animal samples. The sensitivity and specificity for field animal samples was 96% and 95%, respectively. The preliminary results from this study appear promising and demonstrate a higher sensitivity than traditional ELISA methods.
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