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The Aptiva Celiac Disease IgG Reagent is an immunoassay utilizing particle-based multi-analyte technology for the semiquantitative determination of anti-tissue transglutaminase IgG autoantibodies and anti-deamidated gliadin peptide IgG autoantibodies in human serum. The presence of these antibodies, in conjunction with clinical findings and other laboratory tests, is an aid in the diagnosis of celiac disease and dermatitis herpetiformis, particularly in patients with selective IgA deficiency. The Aptiva Celiac Disease IgG Reagent is intended for use with the Inova Diagnostics Aptiva System.

The Aptiva Celiac Disease IgG reagent utilizes particle based multi-analyte technology (PMAT) in a cartridge format. Each analyte (tissue transglutaminase [tTG] and deamidated gliadin peptide [DGP]) in the Aptiva Celiac Disease IgG reagent is a solid phase immunoassay utilizing fluorescent microparticles. This technology allows each of the two analytes, along with a human IgG capture antibody (IgG Control Microparticle), to be coated onto three uniquely recognizable paramagnetic microparticles, which are combined into one tube. The Aptiva instrument is a fully automated, random access analyzer. This platform is a closed system with continuous load and random-access capabilities that processes the samples, runs the reagent and reports results. It includes liquid handling hardware, optical module (OM), and integrated computer with proprietary software and touch screen user interface. The two analyte microparticles, along with the control microparticle, are stored in the reagent cartridge under conditions that preserve the proteins in their reactive states. When the assay cartridge is ready to be used for the first time, the reagent tube seals are pierced using the cartridge lid. The reagent cartridge is then loaded onto the Aptiva instrument, where the microparticles are automatically rehydrated using buffer located within the cartridge. A patient's serum is diluted 1:23 with Aptiva system rinse by the instrument in a disposable cuvette. A small amount of the diluted sample is combined with assay buffer and the microparticle suspension in a second cuvette, and mixed (final serum dilution: 1:230). This reaction cuvette is incubated for 9 ½ minutes at 37°C. The cuvette is then exposed to a small magnet that holds the microparticles in place. The liquid is aspirated, and the microparticles are resuspended as system rinse is added to the cuvette and the magnet is removed. This wash cycle is repeated one more time. During the third wash, no system rinse is added after the aspiration step. After the third wash, phycoerythrin conjugated polyclonal anti-human lgG (known as PE Tracer IgG) is added to the microparticles in the cuvette, and mixed. Again, the cuvette is incubated for 9 ½ minutes at 37℃. Three wash steps, as described above, are performed on the microparticles. Following the wash steps, the microparticles are transferred to the of the instrument, where a charge coupled device (CCD) camera takes multiple images in order to identify and count the three unique microparticle regions, as well as determine the amount of conjugate on the microparticles. The control microparticle, a third particle, coated with goat anti-human IgG, is included in the reagent in as a control to flag low concentrations of IgG the patient serum sample as an assay verification step. The median fluorescent intensity (MFI) is proportional to the amount of PE Tracer that is bound to the human IgG, which is proportional to the amount of IgG antibodies bound to the corresponding microparticle regions. For quantitation, the DGP IgG and tTG IgG assays (together as part of the Aptiva Celiac Disease IgG Reagent) each utilizes a predefined lot specific Master Curve that is uploaded onto the instrument through the reagent cartridge RFID tag. Every new lot of reagent cartridge must be calibrated before first use with the reagent specific calibrators. Based on the results obtained with the calibrators included in the Aptiva Celiac Disease IgG Calibrator kit (sold separately), an instrument specific Working Curve is created for each assay, which is used to calculate reported fluorescent light units (FLU) from the median fluorescent intensity (MFI) instrument signal obtained for each sample, on each of the two assays within the reagent. Aptiva Celiac Disease IgG Calibrators and Aptiva Celiac Disease IgG Controls are sold separately. The Aptiva Celiac Disease IgG Reagent kit contains the following materials: One (1) Aptiva Celiac Disease IgG Reagent Cartridge, containing the following reagents for 200 determinations: - a. Aptiva Celiac Disease IgG microparticle containing 3 unique microparticle regions coated with recombinant tissue transglutaminase, deamidated gliadin peptide, or goat antihuman IgG antibody. - b. Assay buffer - colored pink, containing protein stabilizers and preservatives. - C. PE Tracer IgG - phycoerythrin (PE) labeled anti-human IgG antibody, containing buffer, protein stabilizers and preservative. - ð. Rehydration Buffer - containing protein stabilizers and preservatives.

The Aptiva Celiac Disease IgA Reagent is an immunoassay utilizing particle-based multi-analyte technology for the semiquantitative determination of anti-tissue transglutaminase IgA autoantibodies and anti-deamidated gliadin peptide IgA autoantibodies in human serum. The presence of these autoantibodies, in conjunction with clinical findings and other laboratory tests, is an aid in the diagnosis of celiac disease and dermatitis herpetiformis. The Aptiva Celiac Disease IgA Reagent is intended for use with the Inova Diagnostics Aptiva System.

The Aptiva Celiac Disease IgA reagent utilizes particle based multi-analyte technology (PMAT) in a cartridge format. Each analyte (tissue transglutaminase [tTG] and deamidated gliadin peptide [DGP]) in the Aptiva Celiac Disease IgA reagent is a solid phase immunoassay utilizing fluorescent microparticles. This technology allows each of the two analytes, along with a human IgA capture antibody (IgA Control Microparticle), to be coated onto three uniquely recognizable paramagnetic microparticles, which are combined into one tube. The Aptiva instrument is a fully automated, random access analyzer. This platform is a closed system with continuous load and random-access capabilities that processes the samples, runs the reagent and reports results. It includes liquid handling hardware, optical module (OM), and integrated computer with proprietary software and touch screen user interface. The two analyte microparticles, along with the control microparticle, are stored in the reagent cartridge under conditions that preserve the proteins in their reactive states. When the assay cartridge is ready to be used for the first time, the reagent tube seals are pierced using the cartridge lid. The reagent cartridge is then loaded onto the Aptiva instrument, where the microparticles are automatically rehydrated using buffer located within the cartridge. A patient's serum is diluted 1:46 with Aptiva system rinse by the instrument in a disposable cuvette. A small amount of the diluted sample is combined with assay buffer and the microparticle suspension in a second cuvette, and mixed (final serum dilution: 1:230). This reaction cuvette is incubated for 9 ½ minutes at 37°C. The cuvette is then exposed to a small magnet that holds the microparticles in place. The liquid is aspirated, and the microparticles are resuspended as system rinse is added to the cuvette and the magnet is removed. This wash cycle is repeated one more time. During the third wash, no system rinse is added after the aspiration step. After the third wash, phycoerythrin conjugated polyclonal anti-human IgA (known as PE Tracer IgA) is added to the microparticles in the cuvette, and mixed. Again, the cuvette is incubated for 9 ½ minutes at 37℃. Three wash steps, as described above, are performed on the microparticles. Following the wash steps, the microparticles are transferred to the of the instrument, where a charge coupled device (CCD) camera takes multiple images in order to identify and count the three unique microparticle regions, as well as determine the amount of conjugate on the microparticles. A third particle, coated with goat antibodies, is present in the reagent as a control to flag low concentrations of IgA in the sample as an assay verification step. The median fluorescent intensity (MFI) is proportional to the amount of PE Tracer that is bound to the human IgA, which is proportional to the amount of IgA antibodies bound to the corresponding microparticle regions. For quantitation, the DGP IgA and tTG IgA assays (together as part of the Aptiva Celiac Disease IgA Reagent) each utilizes a predefined lot specific Master Curve that is uploaded onto the instrument through the reagent cartridge RFID tag. Every new lot of reagent cartridge must be calibrated before first use with the reagent specific calibrators. Based on the results obtained with the calibrators included in the Aptiva Celiac Disease IgA Calibrator kit (sold separately), an instrument specific Working Curve is created for each assay, which is used to calculate reported fluorescent light units (FLU) from the median fluorescent intensity (MFI) instrument signal obtained for each sample, on each of the two assays within the reagent. Aptiva Celiac Disease IgA Calibrators and Aptiva Celiac Disease IgA Controls are sold separately. The Aptiva Celiac Disease IgA Reagent kit contains the following materials: One (1) Aptiva Celiac Disease IgA Reagent Cartridge, containing the following reagents for 250 determinations: - a. Aptiva Celiac IgA microparticle containing 3 unique microparticle regions coated with recombinant tissue transglutaminase, deamidated gliadin peptide, or goat anti-human IgA antibody. - b. Assay buffer - colored pink, containing protein stabilizers and preservatives. - PE Tracer IgA phycoerythrin (PE) labeled anti-human IgA antibody, containing buffer, C. protein stabilizers and preservative. - d. Rehydration Buffer - containing protein stabilizers and preservatives.

EliA Celikey IgG is intended for the in vitro semi-quantitative measurement of IgG antibodies directed to tissue transglutaminase (tTG) in human serum and EDTA-plasma. EliA Celikey IgG is based on recombinant human tissue transglutaminase as antigen and is useful as an aid in the clinical diagnosis of patients with celiac disease in conjunction with other laboratory and clinical findings. EliA Celikey IgG uses the EliA IgG method on the instrument Phadia 2500/5000. EliA GliadinDP IgA is intended for the in vitro semi-quantitative measurement of IgA antibodies directed to gliadin in human serum or plasma (Li-heparin, EDTA) to aid in the diagnosis of celiac disease in conjunction with other laboratory and clinical findings. EliA GliadinDP IgA uses the EliA IgA method on the instrument Phadia 2500/5000. EliA GliadinDP IgG is intended for the in vitro semi-quantitative measurement of IgG antibodies directed to gliadin in human serum or plasma (Li-heparin, EDTA) to aid in the diagnosis of celiac disease in conjunction with other laboratory and clinical findings. EliA GliadinDP IgG uses the EliA IgG method on the instrument Phadia 2500/5000.

The method-specific reagents are identical with K062583 (EliA Celikey IgG) and K093459 (EliA Gliadin® IgA and EliA Gliadin® IgG), but are filled in containers specific for the Phadia 2500/5000 instrument. Each device consists of: Test Wells (EliA Celikey IgG Wells, EliA GliadinDP IgA Wells, EliA GliadinDP IgG Wells), EliA Sample Diluent, EliA IgG reagents (EliA IgG Conjugate, EliA IgG Calibrator Strips, EliA IgG Curve Control Strips, EliA IgG Calibrator Well), and EliA IgA reagents (EliA IgA Conjugate, EliA IgA Calibrator Strips, EliA IgA Curve Control Strips, EliA IgA Calibrator Well). The Phadia EliA Immunodiagnostic System is an automated system for immunodiagnostic testing. The EliA reagents are available as modular packages, each purchased separately. All packages are required to carry out EliA Celikey IgG and EliA GliadinDP IgA and EliA GliadinDP IgG tests.

The Anti-tissue Transglutaminase ELISA (IgA) test kit is intended for the qualitative determination of IgA class antibodies against tissue transglutaminase in human serum and EDTA plasma (K3-EDTA, Lit-heparin, Na+citrate). It is used as an aid in the diagnosis of gluten-sensitive enteropathy (celiac disease) and dermatitis herpetiformis Duhring, in conjunction with other laboratory and clinical findings. The Anti-tissue Transglutaminase ELISA (IgG) test kit is intended for the qualitative determination of IgC class antibodies against tissue transglutaminase in human serum and EDTA plasma (K3-EDTA, Li+-citrate). It is used as an aid in the diagnosis of gluten-sensitive enteropathy (celiac disease), in conjunction with other laboratory and clinical findings.

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The Ig plex Celiac DGP Panel is an in vitro diagnostic test for the semi-quantitative detection of the IgA and IgG immunoglobulin classes of antibodies to deamidated gliadin peptide (DGP) and tissue transglutaminase (TG) in human serum. The test is intended for use in clinical laboratories as an aid in the disease in conjunction with other laboratory and clinical findings, and requires the sqid-X system.

The Ig plex Celiac DGP Panel is a consumable reagent kit. It is designed to run on the sqid-X system. The kit includes a microarray plate, reporter mix, standards, controls, sample diluents, wash buffer concentrates and a CD-ROM. The assay detects the presences of the IgA and IgG classes of antibody, and the IgA and lgG classes of anti-tissue transglutaminase antibody. This is performed in an integrated fashion on the sqid-X system that reports all analytes simultaneously to aid in the diagnosis of celiac disease. The system is a multiplex immunoassay analyzer that semi-automates the protocol of a specific lg plex assay from plate washing to reporting of all assay markers for each individual patient sample. The system combines manual liquid handling (samples and reagents) with automated steps for washing, scanning, data analyses and reporting. Results for each patient sample are obtained simultaneously for each of the four markers using the results from one well containing one aliquot of the patient's serum. Results are reported independently.

Enzyme linked immunoassay (ELISA) for the qualitative or semi-quantitative detection of IgA and IgG antibodies to synthetic human tissue transglutaminase (1TG) and deamidated gliadin peptide (DGP) in human serum to aid in the diagnosis of celiae disease (CD) in conjunction with other laboratory tests and clinical findings.

Enzyme linked immunoassay (ELISA)

The BioPlex 2200 Celiac IgA kit is an in vitro multiplex flow immunoassay intended for the semi-quantitative detection of IgA autoantibodies to deamidated gliadin peptide (DGP) and tissue Transglutaminase (tTG) in human serum. In conjunction with clinical findings and other diagnostic tests, the test system is used as an aid in the diagnosis of Celiac Disease (gluten-sensitive enteropathy). The BioPlex 2200 Celiac IgA kit is intended for use with the Bio-Rad BioPlex 2200 System. The BioPlex 2200 Celiac IgG kit is an in vitro multiplex flow immunoassay intended for the semi-quantitative detection of IgG autoantibodies to deamidated gliadin peptide (DGP) and tissue Transglutaminase (tTG) in human serum. In conjunction with clinical findings and other diagnostic tests, the test system is used as an aid in the diagnosis of Celiac Disease (gluten-sensitive enteropathy). The BioPlex 2200 Celiac IgG kit is intended for use with the Bio-Rad BioPlex 2200 System. The BioPlex 2200 Celiac IgA Calibrator Set is intended for the calibration of the BioPlex 2200 Celiac IgA Reagent Pack. The BioPlex 2200 Celiac IgG Calibrator Set is intended for the calibration of the BioPlex 2200 Celiac IgG Reagent Pack. The BioPlex 2200 Celiac IgA Control Set is intended for use as an assayed quality control to monitor the overall performance of the BioPlex 2200 Instrument and BioPlex 2200 Celiac IgA Reagent Pack in the clinical laboratory. The performance of the BioPlex Celiac IgA Control Set has not been established with any other antitissue Transglutaminase (tTG) and anti-Deamidated Gliadin Peptide IgA assays. The BioPlex 2200 Celiac IgG Control Set is intended for use as an assayed quality control to monitor the overall performance of the BioPlex 2200 Instrument and BioPlex 2200 Celiac IgG Reagent Pack in the clinical laboratory. The performance of the BioPlex Celiac IgG Control Set has not been established with any other antitissue Transglutaminase (tTG) and anti-Deamidated Gliadin Peptide IgG assays.

BioPlex® 2200 Celiac IgA and IgG kits include the following components: One (1) 10 mL vial of Bead Set, containing dyed beads coated with recombinant antigens; an Internal Standard bead (ISB), a Serum Verification bead (SVB) and IgA Verification Bead (AVB) (in Celiac IgA only), in MOPS (3-[N-Morpholino] propanesulfonic acid) buffer supplemented with Glycerol and protein stabilizer (bovine and porcine). ProClin 300 (≤ 0.3%), sodium benzoate (≤ 0.1%) and sodium azide (< 0.1%) are added as preservatives. One (1) 5 mL vial of Conjugate, containing phycoerythrin conjugated murine monoclonal anti-human IgA or IgG and phycoerythrin conjugated sheep anti-human FXIII in MOPS (3-N-Morpholino] propanesulfonic acid) buffer supplemented with bovine protein stabilizers. ProClin 300 (≤ 0.3%), sodium benzoate (≤ 0.1%) and sodium azide (< 0.1%) are added as preservatives. One (1) 10 mL vial of Sample Diluent, containing bovine and murine protein stabilizers in triethanolamine buffer. ProClin 300 (≤ 0.3%), sodium benzoate (≤ 0.1%) and sodium azide (< 0.1%) are added as preservatives. BioPlex 2200 Celiac IgA and IgG Calibrator Sets contain nine (9) 0.5 mL vials of human antibodies to tTG and DGP in a buffer supplemented with protein stabilizer (porcine for IgA and porcine/human for IgG) with ProClin 300 (≤ 0.3%), sodium benzoate (≤ 0.1%) and sodium azide (< 0.1%) as preservatives. BioPlex 2200 Celiac IgA and IgG Control Sets contain four (4) 1.5 mL vials of Positive Controls of human antibodies to tTG or DGP and two vials of Negative Controls in a human serum matrix made from defibrinated plasma; and, in a human serum matrix made from defibrinated plasma with ProClin 300 (≤ 0.3%), sodium benzoate (≤ 0.1%) and sodium azide (< 0.1%) as preservatives. Additional materials required but not supplied include BioPlex 2200 Sheath Fluid containing Phosphate Buffered Saline (PBS) with ProClin 300 (<0.03%), and sodium azide (<0.1%) as preservatives; and BioPlex 2200 Wash Solution containing Phosphate Buffered Saline (PBS) and Tween 20 with ProClin 300 (≤0.03%) and sodium azide (<0.1%) as preservatives.

The IgX PLEX™ Celiac Qualitative Assay is an in vitro diagnostic test for the qualitative detection of the IgA and IgG immunoglobulin classes of anti-tissue transglutaminase antibody in serum. The test is intended for use in clinical laboratories as an aid in the diagnosis of celiac disease in conjunction with other laboratory and clinical findings, and requires the SQiDworks™ Diagnostics Platform.

The IgX PLEX™ Celiac Qualitative Assay is a consumable reagent kit. It is designed to run on the SQiDworks™ Diagnostics Platform. The kit includes a Microarray Plate, Reporter mix, standards, controls, sample diluents, wash buffer concentrates and a CD-ROM. The Assay Kit detects the presences of the IgG classes of anti-tissue transglutaminase antibody. This is performed in an integrated fashion on the SQiDworks™ Diagnostics Platform (platform) that reports both analytes simultaneously to aid in the diagnosis of Celiac Disease. The platform automates the entire immunoassay procedure from end-to-end, including calibrator/standards and sample pipetting, sample dilution, incubation, washing, and drying. Once the assay's biochemical reactions have completed, the instrument automatically performs a multi-color fluorescent scan of each well in the microarray, analyzes the data, and generates a report containing qualitative results for both assay markers. Results for each patient sample from the IgX PLEX™ Celiac Qualitative assay are obtained simultaneously for each of the two markers using the results from one well containing one aliquot of the patient's serum. Results are reported independently.

The QUANTA Flash h-tTG IgG is a chemiluminescent immunoassay (CIA) for the semi-quantitative detection of IgG anti-human tissue transglutaminase (h-ITG) antibodies in human serum. The presence of IgG anti-h-tTG antibodies, in conjunction with clinical findings and other laboratory tests, can aid in the diagnosis of the gluten sensitive enteropathy celiac disease, particularly in patients with selective IgA deficiency. The QUANTA Flash™ h-tTG IgG Calibrators are intended for use with the QUANTA Flash™ h-tTG IgG chemiluminescent immunoassay (CIA) on the BIO-FLASH® instrument. Each calibrator establishes a point of reference for the working curve that is used to determine values in the measurement of IgG anti-h-tTG antibodies in serum. The QUANTA Flash™ h-tTG IgG Controls are intended for quality control purposes of the QUANTA Flash™ h-tTG IgG chemiluminescent immunoassay (CIA) kit run on a BIO-FLASH® instrument.

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The Eu-tTG® IgA is an in vitro diagnostic enzyme immunoassay for the semi-quantitative detection of IgA specific antibodies directed against tissue transglutaminase (tTG) in human serum. It is an aid in the diagnosis of celiac disease and should be used in conjunction with other serological tests and clinical findings. The Eu-tTG® IgG is an in vitro diagnostic enzyme immunoassay for the semi-quantitative detection of IgG specific antibodies directed against tissue transglutaminase (tTG) in human serum. It is an aid in the diagnosis of celiac disease and should be used in conjunction with other serological tests and clinical findings.

Each test kit for Eu-tTG® IgA & Eu-tTG® IgG consists of one (1) microtiter plate (12 strips with 8 microwells coated with the human recombinant tTG antigen), assay controls (positive and negative), a ready-to-use set of five (5) calibrators, Horseradish Peroxidase (HRP) goat anti-human IgA or IgG conjugate, serum diluent, Tetramethylbenzidine (TMB) enzyme substrate, stop solution, and washing solution required for the assay.