Simple Plex Human Flt-3 Ligand/FLT3L Assay Cartridge

Catalog #: SPCKB-PS-009903 Datasheet / COA / SDS
Simple Plex Flt-3 Ligand assay kit for use on Ella instrument. Contains cartridge, sample diluent SD13, and wash buffer
Catalog # Availability Size / Price Qty
SPCKB-PS-009903
SPCKC-PS-009903
SPCKA-PS-009903
Control Products Available
Human Flt-3 Ligand Ella Assay
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Simple Plex Human Flt-3 Ligand/FLT3L Assay Cartridge Summary

Assay Length
90 minutes
Sample Type & Volume Required Per Well*
Cell Culture Supernates (10 uL), Serum (5 uL), EDTA Plasma (5 uL), Heparin Plasma (5 uL)
Sensitivity
0.07 pg/mL
Assay Range
0.2 - 3,868 pg/mL (Cell Culture Supernates, Serum, EDTA Plasma, Heparin Plasma)
Specificity
Natural and recombinant human Flt-3 Ligand.
Cross-reactivity
< 0.5% cross-reactivity observed with available related molecules.< 50% cross-species reactivity observed with species tested.
Interference
No significant interference observed with available related molecules.

*The Sample Volume represented is based on the amount of sample incorporated into the reaction after taking into account the assay’s minimum required dilution for a given matrix. Serial dilution may be necessary to achieve some of the final sample volumes represented.

Product Summary

Simple Plex assay for the detection of human Flt-3 Ligand/FLT3L in cell culture supernatant (CCS), serum and plasma (EDTA/Heparin).

Precision

Intra-Assay Precision (Precision within an assay) Each control was tested 16 times in one assay
Inter-Assay Precision (Precision between assays) Replicates of each control were tested in multiple assays performed by at least three technicians using two lots of reagents

Cell Culture Supernates, Serum, EDTA Plasma, Heparin Plasma

Intra-Assay Precision Inter-Assay Precision
Sample 1 2 1 2
n 16 16 44 42
Mean (pg/mL) 22.9 1163 22.3 1069
Standard Deviation 0.6 60.6 2.16 95.1
CV% 2.7 5.2 9.7 8.9

Recovery

Recovery at three different spiked concentrations within the range of the assay was evaluated.

Sample Type Average % Recovery Range %
Cell Culture Media (n=2) 111 110-112

Linearity

Samples containing and/or spiked with high concentrations of human Flt-3 Ligand were serially diluted with Sample Diluent to produce samples within the dynamic range of the assay.
Human Flt-3 Ligand Ella Assay Linearity

Scientific Data

Human Flt-3 Ligand Ella Assay Standard Curve

Product Datasheets

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Preparation and Storage

Storage
Store the unopened product at 2 - 8 °C. Do not use past expiration date.

Background: Flt-3 Ligand/FLT3L

Flt-3 Ligand, also known as FL, is an alpha-helical cytokine that promotes the differentiation of multiple hematopoietic cell lineages. Mature human Flt-3 Ligand consists of a 158 amino acid (aa) extracellular domain (ECD) with a cytokine-like domain and a juxtamembrane tether region, a 21 aa transmembrane segment, and a 30 aa cytoplasmic tail. Within the ECD, human Flt-3 Ligand shares 71% and 65% aa sequence identity with mouse and rat Flt-3 Ligand, respectively. Human and mouse Flt-3 Ligand show cross-species activity. Flt-3 Ligand is expressed as a noncovalently-linked dimer by T cells and bone marrow and thymic fibroblasts. Each 36 kDa chain carries approximately 12 kDa of N- and O-linked carbohydrates. Alternate splicing and proteolytic cleavage of the transmembrane form can generate a soluble 30 kDa fragment that includes the cytokine domain. Alternate splicing of human Flt-3 Ligand also generates membrane-associated isoforms that contain either a truncated cytoplasmic tail or an 85 aa substitution following the cytokine domain. Both transmembrane and soluble Flt-3 Ligand signal through the tyrosine kinase receptor Flt-3/Flk-2. Flt-3 Ligand induces the expansion of monocytes and immature dendritic cells as well as early B cell lineage differentiation. It synergizes with IL-3, GM-CSF, and SCF to promote the mobilization and myeloid differentiation of hematopoietic stem cells. It cooperates with IL-2, -6, -7, and -15 to induce NK cell development and with IL-3, -7, and -11 to induce terminal B cell maturation. Animal studies also show Flt-3 Ligand to reduce the severity of experimentally induced allergic inflammation.

Long Name:
fms-like Tyrosine Kinase 3 Ligand
Entrez Gene IDs:
2323 (Human); 14256 (Mouse); 102125470 (Cynomolgus Monkey); 493796 (Feline)
Alternate Names:
FL; FLG3L; Flt3 ligand; Flt-3 Ligand; Flt3L; FLT3LG; fms-related tyrosine kinase 3 ligand; SL cytokine

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