Multiplex Assay Kit for Syndecan 1 (SDC1) ,etc. by FLIA (Flow Luminescence Immunoassay)

CD138; SDC; SYND1; Syndecan Proteoglycan 1

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

Specificity

This assay has high sensitivity and excellent specificity for detection of Syndecan 1 (SDC1) ,etc. by FLIA (Flow Luminescence Immunoassay).
No significant cross-reactivity or interference between Syndecan 1 (SDC1) ,etc. by FLIA (Flow Luminescence Immunoassay) and analogues was observed.

Recovery

Matrices listed below were spiked with certain level of recombinant Syndecan 1 (SDC1) ,etc. by FLIA (Flow Luminescence Immunoassay) and the recovery rates were calculated by comparing the measured value to the expected amount of Syndecan 1 (SDC1) ,etc. by FLIA (Flow Luminescence Immunoassay) in samples.

Matrix Recovery range (%) Average(%)
serum(n=5) 92-105 99
EDTA plasma(n=5) 84-101 92
heparin plasma(n=5) 87-95 91
sodium citrate plasma(n=5) 89-98 93

Precision

Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Syndecan 1 (SDC1) ,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 Syndecan 1 (SDC1) ,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 Syndecan 1 (SDC1) ,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) 98-105% 84-102% 98-105% 82-91%
EDTA plasma(n=5) 96-104% 88-97% 87-103% 97-104%
heparin plasma(n=5) 87-94% 98-105% 93-102% 87-101%
sodium citrate plasma(n=5) 93-101% 90-99% 83-99% 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#:SDC1) 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
Molecular and Cellular Biochemistry Increased level of soluble syndecan-1 in serum correlates with myocardial expression in a rat model of myocardial infarction SpringerLink: a201w3l18k257462
Inflammation Sdc1 Overexpression Inhibits the p38 MAPK Pathway and Lessens Fibrotic Ventricular Remodeling in MI Rats Springer: Source
Atherosclerosis. Damage of the endothelial glycocalyx in chronic kidney disease Pubmed:24727235
Journal of Trauma and Acute Care Surgery Effect of valproic acid and injury on lesion size and endothelial glycocalyx shedding in a rodent model of isolated traumatic brain injury Pubmed:25058256
Shock Impairment of the Endothelial Glycocalyx in Cardiogenic Shock and its Prognostic Relevance Pubmed:25692257
Mediators Inflamm Dexamethasone Suppressed LPS-Induced Matrix Metalloproteinase and Its Effect on Endothelial Glycocalyx Shedding PubMed: 26199464
Transplantation Platelet-Derived Growth Factor-B Protects Rat Cardiac Allografts From Ischemia-reperfusion Injury. PubMed: 26371596
Clinical and Experimental Nephrology Dual antiplatelet and anticoagulant APAC prevents experimental ischemia–reperfusion-induced acute kidney injury pubmed:27405618
Biomarkers in Medicine Endothelial glycocalyx layer shedding following lung resection pubmed:27643669
Danish National RESEARCH DATABASE Resuscitation with Pooled and Pathogen-Reduced Plasma Attenuates the Increase in Brain Water Content following Traumatic Brain Injury and Hemorrhagic Shock in Rats 10.1089
Journal of Neurotrauma Resuscitation with pooled and pathogen-reduced plasma attenuates the increase in brain water content following traumatic brain injury and hemorrhagic shock in rats the rat. doi/10.1089/neu.2016.4574
British Journal of Anaesthesia Volume kinetics of Ringer's lactate solution in acute inflammatory disease 10.1016:j.bja.2018.04.023
Arteriosclerosis, Thrombosis, and Vascular Biology MPO (myeloperoxidase) reduces endothelial glycocalyx thickness dependent on its cationic charge Pubmed:29903730
Shock Plasma resuscitation improved survival in a cecal ligation and puncture rat model of sepsis Pubmed:28591008
Shock Experimental models of endotheliopathy: impact of shock severity Pubmed:28697004
Journal of Trauma and Acute Care Surgery Effects of propranolol and clonidine on brain edema, blood-brain barrier permeability, and endothelial glycocalyx disruption after fluid percussion brain injury in the rat Pubmed:28930945
The Endothelial Glycocalyx in the Peritoneal Microcirculation of Rats with Chronic Kidney Failure Exposed to Dialysis Solutions 173015_06.pdf
Journal of Surgical Research Plasma ameliorates endothelial dysfunction in burn injury Doi: 10.1016/j.jss.2018.08.027
Journal of Anesthesia Dexmedetomidine preserves the endothelial glycocalyx and improves survival in a rat heatstroke model Pubmed: 30374889
Anaesthesia Postoperative microcirculatory perfusion and endothelial glycocalyx shedding following cardiac surgery with cardiopulmonary bypass Pubmed: 30687934
Journal of Cardiothoracic and Vascular Anesthesial Microvascular alterations during cardiac surgery using a heparin or phosphorylcholine coated circuit Pubmed: 31787433
Hepatobiliary & Pancreatic Diseases International Increased syndecan-1 and glypican-3 predict poor perinatal outcome and treatment resistance in intrahepatic cholestasis: Syndecan-1, glypican-3 and ICP Pubmed: 31919038
Heparin Binding Protein and Endothelial Glycocalyx Markers in Severe COVID-19–A Prospective Observational Cohort Study
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES Newly Developed Recombinant Antithrombin Protects the Endothelial Glycocalyx in an Endotoxin-Induced Rat Model of Sepsis 33375342
Microvasc Res Effect of liraglutide on microcirculation in rat model with absolute insulin deficiency 34119534
J Gerontol A Biol Sci Med Sci The effect of pre-operative methylprednisolone on postoperative delirium in elderly patients undergoing gastrointestinal surgery: a randomized, double-blind, placebo … 34423832
Shock Inhalation of 2% hydrogen improves survival rate and attenuates shedding of vascular endothelial glycocalyx in rats with heat stroke 34524269
Exp Anim Dexmedetomidine suppresses serum syndecan-1 elevation and improves survival in a rat hemorrhagic shock model Pubmed:35110424
Journal of Emergency Medicine Resuscitation of hemorrhagic shock using normal saline does not damage the glycocalyx in the immediate resuscitation phase
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