CDK signaling pathway

Based on Luminex technology platform, Creative Proteomics provides analysis services for key targets of CDK signaling pathway.

cdk-signaling-pathway-detection-service-1.png(Hisashi Tatebe, et al., 2019)Cyclin-Dependent Kinases (CDK) constitute a family of 21 different protein kinases involved in regulating cell proliferation, apoptosis, and drug resistance, and are evaluated in preclinical and clinical trials as chemotherapeutics.

The CDK signaling pathway includes two types of regulation: positive regulation and negative regulation.

Positive regulation of CDK phosphorylation: located at position 160 of the conserved threonine residues in the amino acid sequence of CDK2. This residue is hidden in the T loop. After phosphorylation, the t-loop structure changes, the affinity of cyclin to CDK increases, and the CDK complex is activated.

Negative regulation of CDK phosphorylation: The inhibition of CDK complex activity shows that the simultaneous phosphorylation of the 14th treponin residue and the 15th tyrosine residue inhibits the activity of the CDK complex.

Cdk acts as a key step to drive the master regulator of the eukaryotic cell cycle. During the cell cycle process, Cdk is regulated by the interaction of cyclin subunits and inhibitory tyrosine phosphorylation. In addition, the activation of Cdk, like MAPK, requires threonine phosphorylation in the T loop. In budding yeast, PP2Cs, Ptc2 and Ptc3 effectively dephosphorylate this phosphorylated threonine in Cdc28 Cdk in vivo and in vitro. In humans, the corresponding threonine residues in Cdk2 and Cdk6 are dephosphorylated by PP2Cα and PP2Cβ2. The binding of cyclin to Cdk inhibited the dephosphorylation of PP2C in the two organisms, showing that PP2C only dephosphorylated monomeric Cdk.

Our detectable targets:

RTKPI3KTYK2STAT1STAT2STAT3
TNFRISGF3MSK2PI3KTBK1Vav
STAT5IRAK4JNKMYD88Rac1TLR4
CREBIRF3MAPKNAP1RelTLR9
MHC-IIIRS1MEK6p50SLP76TRAM
TCRicam1Mda-5NFκBRIG-1TRAF3
GASIRF9MEKK1p38RIP1TRAF5
PSGL1IRS2MSK1TLR3Tak1TRIF
CD3IRF5MEK3p38MAPKSH2TRAF6
FasISREmTORPKR  

Technology platform:

We provide Luminex technology for CDK signaling pathway analysis.

Luminex technology is a multifunctional liquid phase analysis platform, developed on the basis of color microspheres, laser technology, applied fluid science and high-speed digital signal processing technology. It core is to encode polypropylene microspheres or magnetic microspheres with fluorescent dyes. By adjusting the different ratios of the two fluorescent dyes, up to 100 microspheres with different fluorescence spectra can be obtained. Antigen-antibody, enzyme-substrate, ligand-receptor binding reactions and nucleic acid hybridization reactions were performed on microspheres with different fluorescence codes. The microsphere coding and reporting fluorescence were analyzed qualitatively and quantitatively by laser detection.

As a proline-directed serine/threonine protein kinase, CDK plays a central role in controlling cell cycle progression.

In addition to Luminex Multiplex Assay, Flow cytometry (FACS analysis), Enzyme-linked immunosorbent assay (ELISA) technology can also be provided to meet other customer needs.

Advantages of CDK signaling pathway detection:

cdk-signaling-pathway-detection-service-2.png

Application of our service:

Creative Proteomics has developed a signaling pathway target detection platform. We can provide detection services not only for apoptotic signaling pathways, but also for other signaling pathways. If you want to detect other targets, please contact us in advance and we will customize the service for you according to your requirements. Looking forward to working with you.

References:

  1. Hisashi Tatebe, Kazuhiro Shiozaki, et al. Cdks are modulated by a series of CdK inhibitors (CKIs) that play a key role in establishing the activity of the cyclin-Cdk complexes in response to either external signals or internal stresses. Cell Cycle, 2019.
  2. Shen Shen, Dylan C. Dean, et al. Role of cyclin-dependent kinases (CDKs) in hepatocellular carcinoma: Therapeutic potential of targeting the CDK signaling. Hepatology Research, 2019,10(49): 1097-1108.
* For Research Use Only. Do Not use in diagnostic or therapeutic procedures.

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