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AB275551

Mouse Flt3 ligand ELISA Kit (Flt3L)

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(2 Publications)

Mouse Flt3 ligand ELISA Kit (Flt3L) is a single-wash 90-min Simplestep used to quantify Mouse Flt3 ligand (Flt3L) with a sensitivity of 3.9 pg/ml. The assay uses a simple mix-wash-read protocol with just one incubation and one wash step.

- Colorimetric Sandwich ELISA - 450 nm readout : works on any standard plate reader
- Design your own immunoassay: we also offer the conjugation-ready antibody pair

View Alternative Names

CD135, Flk-2, Flt-3, Flt3, Receptor-type tyrosine-protein kinase FLT3, FL cytokine receptor, Fetal liver kinase 2, Fms-like tyrosine kinase 3, Tyrosine-protein kinase receptor flk-2, FLK-2, FLT-3

3 Images
Sandwich ELISA - Mouse Flt3 ligand ELISA Kit (Flt3L) (AB275551)
  • sELISA

Supplier Data

Sandwich ELISA - Mouse Flt3 ligand ELISA Kit (Flt3L) (AB275551)

Interpolated concentrations of native Flt3 ligand in mouse serum and plasma samples.

The concentrations of Flt3 ligand were measured in duplicates, interpolated from the Flt3 ligand standard curves and corrected for sample dilution. Undiluted samples are as follows : serum 100%, plasma (citrate) 100%, plasma (EDTA) 100%, plasma (heparin) 100%. The interpolated dilution factor corrected values are plotted (mean +/- SD, n=2). The mean Flt3 ligand concentration was determined to be 232.95 pg/mL in serum, 163.28 pg/mL in plasma (citrate), 184.73 pg/mL in plasma (EDTA)and 269.77 pg/mL in plasma (heparin).

Sandwich ELISA - Mouse Flt3 ligand ELISA Kit (Flt3L) (AB275551)
  • sELISA

Supplier Data

Sandwich ELISA - Mouse Flt3 ligand ELISA Kit (Flt3L) (AB275551)

Example of mouse Flt3 ligand standard curve in Sample Diluent NS.

The Flt3 ligand standard curve was prepared as described in Section 10. Raw data values are shown in the table. Background-subtracted data values (mean +/- SD) are graphed.

Sandwich ELISA - Mouse Flt3 ligand ELISA Kit (Flt3L) (AB275551)
  • sELISA

Supplier Data

Sandwich ELISA - Mouse Flt3 ligand ELISA Kit (Flt3L) (AB275551)

Mouse Flt3 ligand competitor curve comparison.

Standard Curve comparison between Mouse Flt3 ligand SimpleStep ELISA kit and traditional ELISA kit from leading competitor. SimpleStep ELISA kit shows increased sensitivity.

Key facts

Detection method

Colorimetric

Sample types

Cell culture media, Heparin Plasma, Citrate plasma, Serum, EDTA Plasma

Reacts with

Mouse

Assay type

Sandwich (quantitative)

Sensitivity

= 3.9 pg/mL

Range

18.75 - 1200 pg/mL

Assay time

1h 30m

Assay Platform

Pre-coated microplate (12 x 8 well strips)

Reactivity data

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Product details

Mouse FLT3 Ligand ELISA kit (ab275551) is a single-wash 90 min sandwich ELISA designed for the quantitative measurement of Mouse FLT3 Ligand protein in serum, plasma, and cell culture supernatant. It uses our proprietary SimpleStep ELISA® technology. Quantitate Mouse FLT3 Ligand with 3.9 pg/mL sensitivity.

SimpleStep ELISA® technology employs capture antibodies conjugated to an affinity tag that is recognized by the monoclonal antibody used to coat our SimpleStep ELISA® plates. This approach to sandwich ELISA allows the formation of the antibody-analyte sandwich complex in a single step, significantly reducing assay time. See the SimpleStep ELISA® protocol summary in the image section for further details. Our SimpleStep ELISA® technology provides several benefits:

-Single-wash protocol reduces assay time to 90 minutes or less

-High sensitivity, specificity and reproducibility from superior antibodies

-Fully validated in biological samples

-96-wells plate breakable into 12 x 8 wells strips

A 384-well SimpleStep ELISA® microplate (ab203359) is available to use as an alternative to the 96-well microplate provided with SimpleStep ELISA® kits.

Flt-3 ligand 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 extracellular domain with a cytokine-like domain and a juxtamembrane tether region, a 21 aa transmembrane segment, and a 30 aa cytoplasmic tail. Flt-3 ligand is expressed as a noncovalently-linked dimer by T cells and bone marrow and thymic fibroblasts. 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. Animal studies report Flt-3 ligand to reduce the severity of experimentally induced allergic inflammation. Human Flt-3 ligand shares 71% and 65% aa sequence identity with mouse and rat Flt-3 Ligand, respectively.

Precision

[ { "reproducibilityType": "Inter", "sample": "Serum", "replicates": 3, "mean": null, "standardDeviation": null, "coefficientOfVariability": "12.4" }, { "reproducibilityType": "Intra", "sample": "Serum", "replicates": 8, "mean": null, "standardDeviation": null, "coefficientOfVariability": "7.4" } ]

Recovery

[ { "sample": "Serum", "range": "84 - 103 %", "average": "= 94" }, { "sample": "EDTA Plasma", "range": "91 - 100 %", "average": "= 97" }, { "sample": "Cell culture media", "range": "94 - 105 %", "average": "= 101" }, { "sample": "Heparin Plasma", "range": "92 - 95 %", "average": "= 93" }, { "sample": "Citrate plasma", "range": "81 - 95 %", "average": "= 89" } ]

What's included?

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Properties and storage information

Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
+4°C
Storage information
+4°C

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

Flt3 also known as CD135 or FLT3 tyrosine kinase is a receptor tyrosine kinase that belongs to the class III receptor tyrosine kinase family. It has a molecular weight of approximately 160 kDa. This protein plays an important role in the development of hematopoietic stem and progenitor cells. Flt3 is expressed mainly in early progenitor cells within the bone marrow. Additionally it is present in some populations of mature cells in the peripheral blood and lymphoid organs.
Biological function summary

Flt3 functions as a receptor that is activated by binding to its ligand FLT3 ligand (FLT3L). This interaction stimulates the associated tyrosine kinase activity leading to auto-phosphorylation of Flt3 and subsequent downstream signaling. Flt3 does not form a heterocomplex rather it dimerizes upon ligand binding to initiate signaling cascades. These cascades promote cell proliferation differentiation and survival particularly impacting hematopoiesis and immune responses.

Pathways

Flt3 signaling impacts the internal signaling networks involving the MAPK/ERK and PI3K/AKT pathways both central to cell cycle regulation and apoptosis. Flt3 interacts functionally with proteins such as SHP2 and GRB2 in these pathways aiding signal transduction. The Flt3 receptor also shares functional motifs with KIT and PDGF receptors indicating shared regulatory mechanisms involved in cellular proliferation.

Flt3 mutations especially internal tandem duplications in Flt3/ITD are significant in acute myeloid leukemia (AML) leading to abnormal cell growth and survival. These mutations often co-occur with other genetic anomalies such as NPM1 mutations contributing to the oncogenic process. The abnormal activation of Flt3 kinase activity also has ramifications in myelodysplastic syndromes making it a target for therapeutic intervention with drugs such as anti-FLT3 inhibitors in the treatment regime.

Product protocols

Target data

Tyrosine-protein kinase that acts as a cell-surface receptor for the cytokine FLT3LG and regulates differentiation, proliferation and survival of hematopoietic progenitor cells and of dendritic cells. Promotes phosphorylation of SHC1 and AKT1, and activation of the downstream effector MTOR. Promotes activation of RAS signaling and phosphorylation of downstream kinases, including MAPK1/ERK2 and/or MAPK3/ERK1. Promotes phosphorylation of FES, FER, PTPN6/SHP, PTPN11/SHP-2, PLCG1, and STAT5A and/or STAT5B. Activation of wild-type FLT3 causes only marginal activation of STAT5A or STAT5B. Mutations that cause constitutive kinase activity promote cell proliferation and resistance to apoptosis via the activation of multiple signaling pathways.
See full target information Flt3

Publications (2)

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International journal of molecular sciences 26: PubMed40429945

2025

Preconditioning with Rapamycin Improves Therapeutic Potential of Placenta-Derived Mesenchymal Stem Cells in Mouse Model of Hematopoietic Acute Radiation Syndrome.

Applications

Unspecified application

Species

Unspecified reactive species

Vasilii Slautin,Vladislav Ivanov,Alexandr Bugakov,Anna Chernysheva,Ilya Gavrilov,Irina Maklakova,Vladimir Bazarnyi,Dmitry Grebnev,Olga Kovtun

Nature communications 14:4106 PubMed37433774

2023

Interventional hydrogel microsphere vaccine as an immune amplifier for activated antitumour immunity after ablation therapy.

Applications

Unspecified application

Species

Unspecified reactive species

Xiaoyu Liu,Yaping Zhuang,Wei Huang,Zhuozhuo Wu,Yingjie Chen,Qungang Shan,Yuefang Zhang,Zhiyuan Wu,Xiaoyi Ding,Zilong Qiu,Wenguo Cui,Zhongmin Wang
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