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Human CD135 / Flt3 ELISA Kit

SKU:
HUFI00368
Product Type:
ELISA Kit
Size:
96 Assays
Uniprot:
P36888
Sensitivity:
37.5pg/ml
Range:
62.5-4000pg/ml
ELISA Type:
Sandwich
Synonyms:
Flt3, FMS Like Tyrosine Kinase 3, CD135, Flk-2, STK-1, CD135, CD135 antigen, fetal liver kinase 2, FL cytokine receptor, FLK2, FLT-3, FLT3 receptor tyrosine kinase, Fms-like tyrosine kinase 3, fms-related tyrosine kinase 3, growth factor receptor tyr
Reactivity:
Human
Research Area:
Immunology
$719
Frequently bought together:

Description

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Human CD135/Flt3 ELISA Kit

The Human CD135 (FLT3) ELISA Kit is specifically designed for the precise measurement of CD135 levels in human serum, plasma, and cell culture supernatants. With its superior sensitivity and specificity, this kit provides accurate and reproducible results, making it an invaluable tool for various research applications.CD135, also known as fms-related tyrosine kinase 3 (FLT3), is a key receptor tyrosine kinase involved in regulating hematopoiesis and immune response. Mutations in the FLT3 gene have been linked to various hematological malignancies, making it a crucial biomarker for studying these diseases and developing targeted therapies.

Whether you are studying leukemia, lymphoma, or other hematological disorders, the Human CD135 (FLT3) ELISA Kit from AssayGenie is essential for gaining insights into the role of CD135 in disease progression and treatment. Trust in the precision and reliability of this kit to advance your research goals.

Product Name:Human CD135 / Flt3 ELISA Kit
Product Code:HUFI00368
Size:96 Assays
Alias:Flt3, FMS Like Tyrosine Kinase 3, CD135, Flk-2, STK-1, CD135, CD135 antigen, fetal liver kinase 2, FL cytokine receptor, FLK2, FLT-3, FLT3 receptor tyrosine kinase, Fms-like tyrosine kinase 3, fms-related tyrosine kinase 3, growth factor receptor tyrosine kinase type III, Stem cell tyrosine kinase 1
Detection method:Sandwich ELISA, Double Antibody
Application:This immunoassay kit allows for the in vitro quantitative determination of Human FLT3 concentrations in serum plasma and other biological fluids.
Sensitivity:37.5pg/ml
Range:62.5-4000pg/ml
Storage:4°C for 6 months
Note:For Research Use Only
Recovery:Matrices listed below were spiked with certain level of Human FLT3 and the recovery rates were calculated by comparing the measured value to the expected amount of Human FLT3 in samples.
MatrixRecovery range(%)Average(%)
serum(n=5)87-10393
EDTA plasma(n=5)86-10396
UFH plasma(n=5)87-10495
Linearity:The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Human FLT3 and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.
Sample1:21:41:8
serum(n=5)86-104%93-101%85-101%
EDTA plasma(n=5)83-98%83-97%89-101%
UFH plasma(n=5)81-96%91-94%80-91%
CV(%):Intra-Assay: CV<8%
Inter-Assay: CV<10%
ComponentQuantityStorage
ELISA Microplate (Dismountable)8×12 strips4°C for 6 months
Lyophilized Standard24°C/-20°C
Sample/Standard Dilution Buffer20ml4°C
Biotin-labeled Antibody(Concentrated)120ul4°C (Protect from light)
Antibody Dilution Buffer10ml4°C
HRP-Streptavidin Conjugate(SABC)120ul4°C (Protect from light)
SABC Dilution Buffer10ml4°C
TMB Substrate10ml4°C (Protect from light)
Stop Solution10ml4°C
Wash Buffer(25X)30ml4°C
Plate Sealer5-

Other materials and equipment required:

  • Microplate reader with 450 nm wavelength filter
  • Multichannel Pipette, Pipette, microcentrifuge tubes and disposable pipette tips
  • Incubator
  • Deionized or distilled water
  • Absorbent paper
  • Buffer resevoir
UniprotP36888
UniProt Protein Function:FLT3: a receptor tyrosine kinase of the PDGFR family that binds the FL cytokine. FLT3 -/- mice have an impaired developmental capacity of primitive hematopoietic progenitor cells of all lineages with the greatest impact on lymphopoietic precursors. Activating mutations found in one third of cases of acute myeloid leukemia (AML), as well as in acute lymphoblastic leukemia, acute promyelocytic leukemia and myelodysplastic syndrome. Inhibitors: Sutent and PKC412.
UniProt Protein Details:Protein type:EC 2.7.10.1; Kinase, protein; Membrane protein, integral; Oncoprotein; PDGFR family; Protein kinase, TK; Protein kinase, tyrosine (receptor); TK group

Chromosomal Location of Human Ortholog: 13q12.2

Cellular Component: endoplasmic reticulum; integral to plasma membrane; plasma membrane

Molecular Function:hematopoietin/interferon-class (D200-domain) cytokine receptor activity; protein binding; protein homodimerization activity; protein self-association; transmembrane receptor protein tyrosine kinase activity; vascular endothelial growth factor receptor activity

Biological Process: B cell differentiation; cytokine and chemokine mediated signaling pathway; hemopoiesis; leukocyte homeostasis; lymphocyte proliferation; myeloid progenitor cell differentiation; peptidyl-tyrosine phosphorylation; positive regulation of cell proliferation; positive regulation of MAP kinase activity; positive regulation of MAPKKK cascade; positive regulation of phosphoinositide 3-kinase activity; positive regulation of phosphoinositide 3-kinase cascade; positive regulation of tyrosine phosphorylation of STAT protein; pro-B cell differentiation; protein amino acid autophosphorylation; regulation of apoptosis; transmembrane receptor protein tyrosine kinase signaling pathway

Disease: Leukemia, Acute Lymphoblastic

NCBI Summary:This gene encodes a class III receptor tyrosine kinase that regulates hematopoiesis. This receptor is activated by binding of the fms-related tyrosine kinase 3 ligand to the extracellular domain, which induces homodimer formation in the plasma membrane leading to autophosphorylation of the receptor. The activated receptor kinase subsequently phosphorylates and activates multiple cytoplasmic effector molecules in pathways involved in apoptosis, proliferation, and differentiation of hematopoietic cells in bone marrow. Mutations that result in the constitutive activation of this receptor result in acute myeloid leukemia and acute lymphoblastic leukemia. [provided by RefSeq, Jan 2015]
UniProt Code:P36888
NCBI GenInfo Identifier:156630887
NCBI Gene ID:2322
NCBI Accession:P36888.2
UniProt Secondary Accession:P36888,Q13414, A0AVG9, B7ZLT7, B7ZLT8, F5H0A0,
UniProt Related Accession:P36888
Molecular Weight:113kDa
NCBI Full Name:Receptor-type tyrosine-protein kinase FLT3
NCBI Synonym Full Names:fms related tyrosine kinase 3
NCBI Official Symbol:FLT3
NCBI Official Synonym Symbols:FLK2; STK1; CD135; FLK-2
NCBI Protein Information:receptor-type tyrosine-protein kinase FLT3
UniProt Protein Name:Receptor-type tyrosine-protein kinase FLT3
UniProt Synonym Protein Names:FL cytokine receptor; Fetal liver kinase-2; FLK-2; Fms-like tyrosine kinase 3; FLT-3; Stem cell tyrosine kinase 1; STK-1; CD_antigen: CD135
Protein Family:Flt3 receptor-interacting lectin
UniProt Gene Name:FLT3

*Note: Protocols are specific to each batch/lot. For the correct instructions please follow the protocol included in your kit.

Before adding to wells, equilibrate the SABC working solution and TMB substrate for at least 30 min at 37°C. When diluting samples and reagents, they must be mixed completely and evenly. It is recommended to plot a standard curve for each test.

StepProtocol
1.Set standard, test sample and control (zero) wells on the pre-coated plate respectively, and then, record their positions. It is recommended to measure each standard and sample in duplicate. Wash plate 2 times before adding standard, sample and control (zero) wells!
2.Aliquot 0.1ml standard solutions into the standard wells.
3.Add 0.1 ml of Sample / Standard dilution buffer into the control (zero) well.
4.Add 0.1 ml of properly diluted sample ( Human serum, plasma, tissue homogenates and other biological fluids.) into test sample wells.
5.Seal the plate with a cover and incubate at 37 °C for 90 min.
6.Remove the cover and discard the plate content, clap the plate on the absorbent filter papers or other absorbent material. Do NOT let the wells completely dry at any time. Wash plate X2.
7.Add 0.1 ml of Biotin- detection antibody working solution into the above wells (standard, test sample & zero wells). Add the solution at the bottom of each well without touching the side wall.
8.Seal the plate with a cover and incubate at 37°C for 60 min.
9.Remove the cover, and wash plate 3 times with Wash buffer. Let wash buffer rest in wells for 1 min between each wash.
10.Add 0.1 ml of SABC working solution into each well, cover the plate and incubate at 37°C for 30 min.
11.Remove the cover and wash plate 5 times with Wash buffer, and each time let the wash buffer stay in the wells for 1-2 min.
12.Add 90 µl of TMB substrate into each well, cover the plate and incubate at 37°C in dark within 10-20 min. (Note: This incubation time is for reference use only, the optimal time should be determined by end user.) And the shades of blue can be seen in the first 3-4 wells (with most concentrated standard solutions), the other wells show no obvious color.
13.Add 50 µl of Stop solution into each well and mix thoroughly. The color changes into yellow immediately.
14. Read the O.D. absorbance at 450 nm in a microplate reader immediately after adding the stop solution.

When carrying out an ELISA assay it is important to prepare your samples in order to achieve the best possible results. Below we have a list of procedures for the preparation of samples for different sample types.

Sample TypeProtocol
SerumIf using serum separator tubes, allow samples to clot for 30 minutes at room temperature. Centrifuge for 10 minutes at 1,000x g. Collect the serum fraction and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles.

If serum separator tubes are not being used, allow samples to clot overnight at 2-8°C. Centrifuge for 10 minutes at 1,000x g. Remove serum and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles.

PlasmaCollect plasma using EDTA or heparin as an anticoagulant. Centrifuge samples at 4°C for 15 mins at 1000 × g within 30 mins of collection. Collect the plasma fraction and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles. Note: Over haemolysed samples are not suitable for use with this kit.
Urine & Cerebrospinal FluidCollect the urine (mid-stream) in a sterile container, centrifuge for 20 mins at 2000-3000 rpm. Remove supernatant and assay immediately. If any precipitation is detected, repeat the centrifugation step. A similar protocol can be used for cerebrospinal fluid.
Cell culture supernatantCollect the cell culture media by pipette, followed by centrifugation at 4°C for 20 mins at 1500 rpm. Collect the clear supernatant and assay immediately.
Cell lysatesSolubilize cells in lysis buffer and allow to sit on ice for 30 minutes. Centrifuge tubes at 14,000 x g for 5 minutes to remove insoluble material. Aliquot the supernatant into a new tube and discard the remaining whole cell extract. Quantify total protein concentration using a total protein assay. Assay immediately or aliquot and store at ≤ -20 °C.
Tissue homogenatesThe preparation of tissue homogenates will vary depending upon tissue type. Rinse tissue with 1X PBS to remove excess blood & homogenize in 20ml of 1X PBS (including protease inhibitors) and store overnight at ≤ -20°C. Two freeze-thaw cycles are required to break the cell membranes. To further disrupt the cell membranes you can sonicate the samples. Centrifuge homogenates for 5 mins at 5000xg. Remove the supernatant and assay immediately or aliquot and store at -20°C or -80°C.
Tissue lysatesRinse tissue with PBS, cut into 1-2 mm pieces, and homogenize with a tissue homogenizer in PBS. Add an equal volume of RIPA buffer containing protease inhibitors and lyse tissues at room temperature for 30 minutes with gentle agitation. Centrifuge to remove debris. Quantify total protein concentration using a total protein assay. Assay immediately or aliquot and store at ≤ -20 °C.
Breast MilkCollect milk samples and centrifuge at 10,000 x g for 60 min at 4°C. Aliquot the supernatant and assay. For long term use, store samples at -80°C. Minimize freeze/thaw cycles.

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