Multiplex Assay Kit for Matrix Metalloproteinase 8 (MMP8) ,etc. by FLIA (Flow Luminescence Immunoassay)

CLG2; HNC; PMNL-CL; Collagenase 2; Neutrophil Collagenase; PMNL collagenase

(Note: Up to 8-plex in one testing reaction)

Specificity

This assay has high sensitivity and excellent specificity for detection of Matrix Metalloproteinase 8 (MMP8) ,etc. by FLIA (Flow Luminescence Immunoassay).
No significant cross-reactivity or interference between Matrix Metalloproteinase 8 (MMP8) ,etc. by FLIA (Flow Luminescence Immunoassay) and analogues was observed.

Recovery

Matrices listed below were spiked with certain level of recombinant Matrix Metalloproteinase 8 (MMP8) ,etc. by FLIA (Flow Luminescence Immunoassay) and the recovery rates were calculated by comparing the measured value to the expected amount of Matrix Metalloproteinase 8 (MMP8) ,etc. by FLIA (Flow Luminescence Immunoassay) in samples.

Matrix Recovery range (%) Average(%)
serum(n=5) 97-104 101
EDTA plasma(n=5) 84-102 88
heparin plasma(n=5) 95-102 99

Precision

Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Matrix Metalloproteinase 8 (MMP8) ,etc. by FLIA (Flow Luminescence Immunoassay) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Matrix Metalloproteinase 8 (MMP8) ,etc. by FLIA (Flow Luminescence Immunoassay) were tested on 3 different plates, 8 replicates in each plate.
CV(%) = SD/meanX100
Intra-Assay: CV<10%
Inter-Assay: CV<12%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Matrix Metalloproteinase 8 (MMP8) ,etc. by FLIA (Flow Luminescence Immunoassay) and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.

Sample 1:2 1:4 1:8 1:16
serum(n=5) 96-103% 80-95% 97-105% 84-101%
EDTA plasma(n=5) 78-90% 91-98% 95-103% 79-89%
heparin plasma(n=5) 96-104% 81-98% 86-102% 97-105%

Stability

The stability of kit is determined by the loss rate of activity. The loss rate of this kit is less than 5% within the expiration date under appropriate storage condition.
To minimize extra influence on the performance, operation procedures and lab conditions, especially room temperature, air humidity, incubator temperature should be strictly controlled. It is also strongly suggested that the whole assay is performed by the same operator from the beginning to the end.

Reagents and materials provided

Reagents Quantity Reagents Quantity
96-well plate 1 Plate sealer for 96 wells 4
Pre-Mixed Standard 2 Standard Diluent 1×20mL
Pre-Mixed Magnetic beads (22#:MMP8) 1 Analysis buffer 1×20mL
Pre-Mixed Detection Reagent A 1×120μL Assay Diluent A 1×12mL
Detection Reagent B (PE-SA) 1×120μL Assay Diluent B 1×12mL
Sheath Fluid 1×10mL Wash Buffer (30 × concentrate) 1×20mL
Instruction manual 1

Assay procedure summary

1. Preparation of standards, reagents and samples before the experiment;
2. Add 100μL standard or sample to each well,
    add 10μL magnetic beads, and incubate 90min at 37°C on shaker;
3. Remove liquid on magnetic frame, add 100μL prepared Detection Reagent A. Incubate 60min at 37°C on shaker;
4. Wash plate on magnetic frame for three times;
5. Add 100μL prepared Detection Reagent B, and incubate 30 min at 37°C on shaker;
6. Wash plate on magnetic frame for three times;
7. Add 100μL sheath solution, swirl for 2 minutes, read on the machine.

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Magazine Citations
PLoS ONE A Combinatorial Relative Mass Value Evaluation of Endogenous Bioactive Proteins in Three-Dimensional Cultured Nucleus Pulposus Cells of Herniated Intervertebral Discs: Identification of Potential Target Proteins for Gene Therapeutic Approaches Plosone: Source
Journal of Periodontology Effects of Photodynamic Therapy on the Clinical and Gingival Crevicular Fluid Inflammatory Biomarkers in Chronic Periodontitis: A Split-Mouth Randomized Clinical Trial Joponline: 130464
Thromb Haemost. Analysis of the expression of nine secreted matrix metalloproteinases and their endogenous inhibitors in the brain of mice subjected to ischaemic stroke Pubmed:24671655
An Experimental Model for Inducing Periodontal Pathology in Rat: Histopathological and Enzymatic Aspects Usamvcluj:Source
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J Periodontal Implant Sci Assessment of MMP-1, MMP-8 and TIMP-2 in experimental periodontitis treated with kaempferol pmc:PMC4848383
Int Wound J. From varices to venous ulceration: the story of chronic venous disease described by metalloproteinases. Pubmed:26991748
Eur J Clin Invest.  Alamandine abrogates neutrophil degranulation in atherosclerotic mice. pubmed:27930810
International Wound Journal From varices to venous ulceration: the story of chronic venous disease described by metalloproteinases pubmed:26991748
Medicine (Baltimore) Rapid detection of urinary soluble intercellular adhesion molecule-1 for determination of lupus nephritis activity Pubmed:29953010
Scientific Reports Atherosclerotic plaque vulnerability is increased in mouse model of lupus Pubmed: 33110193
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