Multiplex Assay Kit for Lectin Like Oxidized Low Density Lipoprotein Receptor 1 (LOX1) ,etc. by FLIA (Flow Luminescence Immunoassay)

OLR1; CLEC8A; SCARE1; Oxidized low-density lipoprotein receptor 1; C-type lectin domain family 8 member A; Lectin-like oxidized LDL receptor 1; Lectin-type oxidized LDL receptor 1

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

Specificity

This assay has high sensitivity and excellent specificity for detection of Lectin Like Oxidized Low Density Lipoprotein Receptor 1 (LOX1) ,etc. by FLIA (Flow Luminescence Immunoassay).
No significant cross-reactivity or interference between Lectin Like Oxidized Low Density Lipoprotein Receptor 1 (LOX1) ,etc. by FLIA (Flow Luminescence Immunoassay) and analogues was observed.

Recovery

Matrices listed below were spiked with certain level of recombinant Lectin Like Oxidized Low Density Lipoprotein Receptor 1 (LOX1) ,etc. by FLIA (Flow Luminescence Immunoassay) and the recovery rates were calculated by comparing the measured value to the expected amount of Lectin Like Oxidized Low Density Lipoprotein Receptor 1 (LOX1) ,etc. by FLIA (Flow Luminescence Immunoassay) in samples.

Matrix Recovery range (%) Average(%)
serum(n=5) 99-105 102
EDTA plasma(n=5) 79-105 85
heparin plasma(n=5) 96-103 101

Precision

Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Lectin Like Oxidized Low Density Lipoprotein Receptor 1 (LOX1) ,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 Lectin Like Oxidized Low Density Lipoprotein Receptor 1 (LOX1) ,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 Lectin Like Oxidized Low Density Lipoprotein Receptor 1 (LOX1) ,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) 99-105% 89-98% 97-105% 78-92%
EDTA plasma(n=5) 79-99% 78-96% 81-94% 80-101%
heparin plasma(n=5) 90-104% 95-104% 97-105% 88-97%

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#:LOX1) 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
Clinical Cardiology Circulating Soluble Lectin-Like Oxidized Low-Density Lipoprotein Receptor-1 Levels Are Associated With Angiographic Coronary Lesion Complexity in Patients With Coronary Artery Diseas PubMed: 21400544
Coronary Artery Disease Postprocedural serum sLOX-1 levels are associated with coronary in-stent restenosis in patients with stable coronary artery disease LWW: 06000
Clinical Biochemistry Soluble lectin-like oxidized low-density lipoprotein receptor-1 levels in synovial fluid are correlated with disease severity of knee osteoarthritis ScienceDirect: S0009912011004905
Mediators of Inflammation Pregnancy Followed by Delivery May Affect Circulating Soluble Lectin-Like Oxidized Low-Density Lipoprotein Receptor-1 Levels in Women of Reproductive Age PubMed: 22619487
Dicle Medical Journal Lectin-like oxidized low density lipoprotein receptor 1(LOX-1) levels and endothelial dysfunction in patients with primary essential hyperhidrosis/Primer esansiyel hiperhidroz hastalarinda lektin benzeri okside düsük dansiteli lipoprotein reseptor 1(LOX-1) düzeyleri ve endotel disfonksiyonu Readperiodicals: Source
Journal of Clinical Laboratory Analysis Soluble Lectin-Like Oxidized LDL Receptor 1 as a Possible Mediator of Endothelial Dysfunction in Patients With Metabolic Syndrome Pubmed:24798146
Journal of Human Hypertension Endothelial damage in white coat hypertension: role of lectin-like oxidized low-density lipoprotein-1 Pubmed:25007999
Gynecologic and Obstetric Investigation Inhibition of Lectin-Like Oxidized Low-Density Lipoprotein Receptor 1 Protects against Plasma/Hypoxia-Mediated Trophoblast Dysfunction Associated with Preeclampsia Pubmed:25633310
World J Gastroenterol Increased serum soluble lectin-like oxidized low-density lipoprotein receptor-1 levels in patients with biopsy-proven nonalcoholic fatty liver disease PubMed: 26185381
Genetic Testing and Molecular Biomarkers Serum sLOX-1 Levels Are Correlated with the Presence and Severity of Obstructive Sleep Apnea PubMed: 25825846
Neurotoxicology. 27-Hydroxycholesterol regulates cholesterol synthesis and transport in C6 glioma cells. pubmed:28167099
Journal of the American Heart Association Increased Levels of Lectin‐Like Oxidized Low‐Density Lipoprotein Receptor‐1 in Ischemic Stroke and Transient Ischemic Attack Pubmed:29330254
Higher serum lectin-like oxidized low-density lipoprotein receptor-1 in patients with stable coronary artery disease is associated with major adverse …
Disease Markers Baseline Serum sLOX-1 Concentrations Are Associated with 2-Year Major Adverse Cardiovascular and Cerebrovascular Events in Patients after Percutaneous … Pubmed: 31772687
Reproductive Biology Polycystic ovary syndrome and endothelial dysfunction: A potential role for soluble lectin-like oxidized low density lipoprotein receptor-1 Pubmed: 32409108
Int J Cancer The oxidized‐LDL/LOX‐1 axis in tumor endothelial cells enhances metastasis by recruiting neutrophils and cancer cells Pubmed:35608341
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