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digene HC2 CT/GC DNA Test
Cat. No. / ID: 5130-1220
digene HC2 CTGC DNA Test
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digene HC2 CT/GC DNA Test は、体外診断薬としての利用を意図して製造されています。
✓ 24/7 automatic processing of online orders
✓ Knowledgeable and professional Product & Technical Support
✓ Fast and reliable (re)-ordering
Features
- High clinical sensitivity and specificity
- Signal-amplified nucleic acid test with immunoassay simplicity
- Detects both symptomatic and asymptomatic CT and GC infections
Product Details
The digene HC2CT/GC DNA Test is an in vitro nucleic microplate assay based on signal-amplified nucleic acid hybridization that uses chemiluminescence for the combined qualitative detection of DNA from Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (GC) from cervical specimens. The kit is for labs that perform in vitro diagnostic tests.
Performance
The digene HC2 CT/GC DNA Test provides combined qualitative detection of Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (GC) DNA as an initial test to identify symptomatic or asymptomatic women with CT and/or GC infection. Follow-up testing with the digene HC2 CT-ID DNA Test and the digene HC2 GC-ID DNA Test is required to identify the organism(s) present in a specimen that tests postive with the digene HC2 CT/GC DNA Test (see table). For high-volume sample throughput testing, the digene HC2 CT/GC DNA Test may be performed using the Rapid Capture System (RCS) instrument.
| Initial HC2 CT/GC DNA Test | Repeat HC2 CT-ID DNA Test | Repeat HC2 GC-ID DNA Test | Final result interpretation |
|---|---|---|---|
| + | + | + | + for CT and GC DNA |
| + | – | + for CT DNA; no GC DNA | |
| – | + | + for GC DNA; no CT DNA | |
| – | – | – for CT and GC DNA | |
| – | NA | NA | – for CT and GC DNA |
Principle
The digene HC2 CT/GC DNA Test is a nucleic acid hybridization assay with signal amplification that utilizes microplate chemiluminescent detection. Specimens containing the target DNA hybridize with a specific CT/GC RNA probe cocktail. The resultant RNA–DNA hybrids are captured onto the surface of a microplate well that is coated with antibodies specific for RNA–DNA hybrids. Immobilized hybrids are then reacted with alkaline phosphatase-conjugated antibodies specific for RNA–DNA hybrids, and detected with a chemiluminescent substrate. Several alkaline phosphatase molecules are conjugated to each antibody. Multiple conjugated antibodies bind to each captured hybrid, resulting in substantial signal amplification. As the substrate is cleaved by the bound alkaline phosphatase, light is emitted, which is measured as relative light units (RLUs) on a luminometer. The intensity of the light emitted denotes the presence or absence of target DNA in the specimen.
Procedure
Cervical specimens are collected and transported using the digene HC2 DNA Collection Device or digene Female Swab Specimen Collection Kit. Specimens are denatured using a denaturation reagent and heat. The probe mix is added, and hybridization is carried out in a hybridization microplate. Hybridized samples are transferred to a capture microplate for hybrid capture. A detection reagent is added, and a wash step is carried out. A second detection reagent is added, and detection is carried out on a luminometer.
The Hybrid Capture Modular System provides a microplate luminometer, rotary shaker, microplate heater, automated plate washer, and the Hybrid Capture Multi-Specimen Tube (MST) Vortexter that may be used for processing specimens using the digene HC2 CT/GC DNA Test.
After denaturation, the procedure can be fully automated on the Rapid Capture System through to sample detection. Detection is then carried out manually on a luminometer. >
Reimbursement
The digene HC2 CT/GC DNA Test is recognized by the American Medical Association (AMA) and reimbursed using "amplified probe technique" CPT codes (when appropriate). >
Applications
The digene HC2 CT/GC DNA Test is for the combined qualitative detection of Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (GC) DNA in cervical specimens. Follow-up testing using the digene HC2 CT-ID DNA Test and the digene HC2 GC-ID DNA Test is required to identify the organism(s) present in specimens that test positive with the digene HC2 CT/GC DNA Test. The digene HC2 CT/GC DNA Test is indicated for use as an initial test to identify symptomatic or asymptomatic women with Chlamydia trachomatis (CT) and/or Neisseria gonorrhoeae (GC) infection.
Resources
MSDS (1)
Safety Data Sheets (2)