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Mouse Tyrosine-protein kinase CSK (Csk) ELISA Kit (MOEB1001)

SKU:
MOEB1001
Product Type:
ELISA Kit
Size:
96 Assays
Uniprot:
P41241
ELISA Type:
Sandwich
Reactivity:
Mouse
$779
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Description

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Mouse Tyrosine-protein kinase CSK (Csk) ELISA Kit

The Mouse Tyrosine Protein Kinase Csk (CSK) ELISA Kit is a powerful tool for researchers looking to accurately measure levels of tyrosine protein kinase Csk in mouse serum, plasma, and cell culture supernatants. This kit offers exceptional sensitivity and specificity, ensuring robust and consistent results for a variety of research applications.Tyrosine protein kinase Csk plays a crucial role in regulating signaling pathways involved in cell growth, differentiation, and immune response. Dysregulation of Csk activity has been linked to various diseases, including cancer, autoimmune disorders, and neurological conditions.

By accurately measuring Csk levels, researchers can gain valuable insights into disease mechanisms and potentially identify new therapeutic targets.Overall, the Mouse Tyrosine Protein Kinase Csk (CSK) ELISA Kit is an essential tool for studying the role of Csk in disease pathology and exploring its potential as a therapeutic target. Trust in its reliability and accuracy for your research needs.

Product Name:Mouse Tyrosine-protein kinase CSK (Csk) ELISA Kit
SKU:MOEB1001
Size:96T
Target:Mouse Tyrosine-protein kinase CSK (Csk)
Synonyms:C-Src kinase, Protein-tyrosine kinase MPK-2, p50CSK
Assay Type:Sandwich
Detection Method:ELISA
Reactivity:Mouse
Detection Range:0.312-20ng/mL
Sensitivity:0.099ng/mL
Intra CV:Provided with the Kit
Inter CV:Provided with the Kit
Linearity:
Sample1:21:41:81:16
Serum(N=5)94-102%108-117%95-105%103-103%
EDTA Plasma(N=5)98-107%116-126%92-102%110-120%
Heparin Plasma(N=5)102-112%105-113%102-113%101-110%
Recovery:Provided with the Kit
Function:Non-receptor tyrosine-protein kinase that plays an important role in the regulation of cell growth, differentiation, migration and immune response. Phosphorylates tyrosine residues located in the C-terminal tails of Src-family kinases (SFKs) including LCK, SRC, HCK, FYN, LYN or YES1. Upon tail phosphorylation, Src-family members engage in intramolecular interactions between the phosphotyrosine tail and the SH2 domain that result in an inactive conformation. To inhibit SFKs, CSK is recruited to the plasma membrane via binding to transmembrane proteins or adapter proteins located near the plasma membrane. Suppresses signaling by various surface receptors, including T-cell receptor (TCR) and B-cell receptor (BCR) by phosphorylating and maintaining inactive several positive effectors such as FYN or LCK.
Uniprot:P41241
Sample Type:Serum, plasma, tissue homogenates, cell culture supernates and other biological fluids
Specificity:Natural and recombinant mouse Tyrosine-protein kinase CSK
Sub Unit:Homodimer (via SH3-domain) (By similarity). Interacts with PTPN22 (PubMed:8890164). Interacts with phosphorylated SIT1, PAG1, LIME1 and TGFB1I1; these interactions serve to recruit CSK to the membrane where it can phosphorylate and inhibit Src-family kinases (PubMed:9858471, PubMed:12218089, PubMed:12612075, PubMed:16166631). Interacts with SRCIN1 (By similarity). Interacts with RHOH (By similarity). Interacts (via SH2 domain) with SCIMP.
Research Area:Signal Transduction
Subcellular Location:Cytoplasm Cell membrane Mainly cytoplasmic, also present in lipid rafts.
Storage:Please see kit components below for exact storage details
Note:For research use only
UniProt Protein Function:CSK: a tyrosine kinase of the Csk family that phosphorylates and inhibits Src family kinases. Specifically phosphorylates Y504 on LCK, which acts as a negative regulatory site. Csk and the phospho-tyrosine phosphatase CD45 reciprocally regulate phosphorylation of the inhibitory tyrosine of the Src family kinases Lck and Fyn during T-cell receptor mediated signaling during thymic development.Protein type: EC 2.7.10.2; Kinase, protein; Protein kinase, TK; Protein kinase, tyrosine (non-receptor); TK group; Csk familyCellular Component: cytoplasm; extrinsic to internal side of plasma membrane; intercellular junction; lipid raft; plasma membraneMolecular Function: ATP binding; identical protein binding; non-membrane spanning protein tyrosine kinase activity; protein binding; protein phosphatase binding; protein-tyrosine kinase activity; receptor binding; transferase activityBiological Process: cell differentiation; cell migration; central nervous system development; innate immune response; negative regulation of bone resorption; negative regulation of cell proliferation; negative regulation of Golgi to plasma membrane protein transport; negative regulation of interleukin-6 production; negative regulation of kinase activity; negative regulation of phagocytosis; positive regulation of MAP kinase activity; protein amino acid autophosphorylation; protein amino acid phosphorylation; regulation of cytokine production; regulation of T cell activation; transmembrane receptor protein tyrosine kinase signaling pathway
UniProt Protein Details:
NCBI Summary:
UniProt Code:P41241
NCBI GenInfo Identifier:341940406
NCBI Gene ID:12988
NCBI Accession:P41241.2
UniProt Secondary Accession:P41241,Q03143, Q80WU4, Q8VCW1
UniProt Related Accession:P41241
Molecular Weight:50,716 Da
NCBI Full Name:Tyrosine-protein kinase CSK
NCBI Synonym Full Names:c-src tyrosine kinase
NCBI Official Symbol:Csk
NCBI Official Synonym Symbols:p50CSK; AW212630
NCBI Protein Information:tyrosine-protein kinase CSK
UniProt Protein Name:Tyrosine-protein kinase CSK
UniProt Synonym Protein Names:C-Src kinase; Protein-tyrosine kinase MPK-2; p50CSK
Protein Family:Chloroplast sensor kinase
UniProt Gene Name:Csk
UniProt Entry Name:CSK_MOUSE
Component Quantity (96 Assays) Storage
ELISA Microplate (Dismountable) 8×12 strips -20°C
Lyophilized Standard 2 -20°C
Sample Diluent 20ml -20°C
Assay Diluent A 10mL -20°C
Assay Diluent B 10mL -20°C
Detection Reagent A 120µL -20°C
Detection Reagent B 120µL -20°C
Wash Buffer 30mL 4°C
Substrate 10mL 4°C
Stop Solution 10mL 4°C
Plate Sealer 5 -

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

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

Allow all reagents to reach room temperature (Please do not dissolve the reagents at 37°C directly). All the reagents should be mixed thoroughly by gently swirling before pipetting. Avoid foaming. Keep appropriate numbers of strips for 1 experiment and remove extra strips from microtiter plate. Removed strips should be resealed and stored at -20°C until the kits expiry date. Prepare all reagents, working standards and samples as directed in the previous sections. Please predict the concentration before assaying. If values for these are not within the range of the standard curve, users must determine the optimal sample dilutions for their experiments. We recommend running all samples in duplicate.

Step
1. Add Sample: Add 100µL of Standard, Blank, or Sample per well. The blank well is added with Sample diluent. Solutions are added to the bottom of micro ELISA plate well, avoid inside wall touching and foaming as possible. Mix it gently. Cover the plate with sealer we provided. Incubate for 120 minutes at 37°C.
2. Remove the liquid from each well, don't wash. Add 100µL of Detection Reagent A working solution to each well. Cover with the Plate sealer. Gently tap the plate to ensure thorough mixing. Incubate for 1 hour at 37°C. Note: if Detection Reagent A appears cloudy warm to room temperature until solution is uniform.
3. Aspirate each well and wash, repeating the process three times. Wash by filling each well with Wash Buffer (approximately 400µL) (a squirt bottle, multi-channel pipette,manifold dispenser or automated washer are needed). Complete removal of liquid at each step is essential. After the last wash, completely remove remaining Wash Buffer by aspirating or decanting. Invert the plate and pat it against thick clean absorbent paper.
4. Add 100µL of Detection Reagent B working solution to each well. Cover with the Plate sealer. Incubate for 60 minutes at 37°C.
5. Repeat the wash process for five times as conducted in step 3.
6. Add 90µL of Substrate Solution to each well. Cover with a new Plate sealer and incubate for 10-20 minutes at 37°C. Protect the plate from light. The reaction time can be shortened or extended according to the actual color change, but this should not exceed more than 30 minutes. When apparent gradient appears in standard wells, user should terminatethe reaction.
7. Add 50µL of Stop Solution to each well. If color change does not appear uniform, gently tap the plate to ensure thorough mixing.
8. Determine the optical density (OD value) of each well at once, using a micro-plate reader set to 450 nm. User should open the micro-plate reader in advance, preheat the instrument, and set the testing parameters.
9. After experiment, store all reagents according to the specified storage temperature respectively until their expiry.

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 Type Protocol
Serum If 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.
Plasma Collect 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 Fluid Collect 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 supernatant Collect 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 lysates Solubilize 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 homogenates The 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 lysates Rinse 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 Milk Collect 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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