Recombinant Rat MIP-1 alpha / SCYA3 Protein

Beta LifeScience SKU/CAT #: BLPSN-3372

Recombinant Rat MIP-1 alpha / SCYA3 Protein

Beta LifeScience SKU/CAT #: BLPSN-3372
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Product Overview

Tag N/A
Host Species Rat
Accession P50229
Background CCL3 is a cytokine belonging to the CC chemokine family. Chemokines are a family of structurally related leukocyte chemoattractant cytokines that play a central role during immunoregulatory and inflammation processes. All chemokines contain four conserved cysteines linked by disulfide bonds, and two major subfamilies, namely CXC and CC, are defined on the basis of the first two cysteines which are separated by one amino acid or are adjacent. CCL3 is involved in the acute inflammatory state in the recruitment and activation of polymorphonuclear leukocytes.Immune CheckpointImmunotherapyCancer ImmunotherapyTargeted Therapy
Description A DNA sequence encoding the rat CCL3 (P50229) (Ala24-Ala92) was expressed and purified with an initial Met.
Source E.coli
Predicted N Terminal Met
AA Sequence Ala24-Ala92
Molecular Weight The recombinant rat CCL3 consists of 70 a.a. and has a predicted molecular mass of 7.8 kDa. The apparent molecular mass of the recombinant protein is approximately 14 kDa in SDS-PAGE under reducing conditions.
Purity >95% as determined by SDS-PAGE
Endotoxin Please contact us for more information.
Bioactivity Please contact us for detailed information
Formulation Lyophilized from sterile PBS, pH 7.4..
Stability The recombinant proteins are stable for up to 1 year from date of receipt at -70°C.
Usage For Research Use Only
Storage Store the protein under sterile conditions at -20°C to -80°C. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.

Target Details

Target Function Monokine with inflammatory and chemokinetic properties. Has chemotactic activity for monocytes, neutrophils, eosinophils, basophils, and lymphocytes. Required for lung TNF-alpha production, neutrophil recruitment and subsequent lung injury and may function as an autocrine mediator for the macrophage production of TNF-alpha which in turn up-regulates vascular adhesion molecules required for neutrophil influx. This protein binds heparin.
Subcellular Location Secreted.
Protein Families Intercrine beta (chemokine CC) family
Database References

Gene Functions References

  1. The important chemokine macrophage inflammatory protein1alpha increases inflammatory responses and the secretion of inflammatory molecules from Kupffer cells, including tumor necrosis factoralpha, interleukin (IL)1beta and IL6. PMID: 28677732
  2. The present report demonstrates an increase in mRNA and protein levels in chemokines CCL3 and its receptor CCR5 in dorsal root ganglion in the rat model of remifentanil-induced hyperalgesia. Furthermore, the results pointed out that CCL3 and its receptor CCR5 might be implicated in remifentanil-induced hyperalgesia. PMID: 26550961
  3. Study shows that erythropoietin reduced chemokine CCL3 mRNA expression in rat cerebellar neuron-enriched preparations during neuroinflammation. PMID: 26178913
  4. The results of this study suggest a contribution of CCL3 in the spinal dorsal horn to paclitaxel-induced allodynia and may provide new therapeutic targets for paclitaxel-induced painful neuropathy. PMID: 25127716
  5. Expression levels of CCL3 in the spinal cord are up-regulated following nerve injury. PMID: 24589480
  6. NMDA-evoked neuronal injury differentially induces MIP-1alpha and MCP-1 production in microglia and astrocytes, respectively, through activation of different intracellular signaling pathways. PMID: 22791363
  7. Our data suggest that free radicals produced in CA1 neurons contribute to the recruitment and activation of microglia and neurodegeneration through MIP-1alpha expression. PMID: 18272692
  8. In this study we present data on long term increase in CCL3 mRNA expression and immunoreactivity following epileptogenic stimulus in a rat model of temporal lobe epilepsy. PMID: 21731074
  9. Data show significant concentration increases for CXCL1 and MIP-1alpha in the brain after soman-induced seizure onset. PMID: 21535896
  10. The active behavior of the MIP-1alpha gene in KCs following liver ischemia/reperfusion injury is assumed to be one of the major causes for the hepatic ischemia/reperfusion injury. PMID: 16804970
  11. P2Y6 activation by uridine 5'-diphosphate induces Ccl2 and Ccl3 expression in primary cultured microglia, astrocytes, and brain slices from neonatal and adult rats. PMID: 21317391
  12. a massive amount of ATP molecules released in the glioma tumor site may act as the regulator with P2XR signaling that increases MIP-1alpha and MCP-1 expression in tumor-infiltrating microglia/macrophages. PMID: 21162127
  13. These results suggest that MIP-1alpha is directly involved in the neurodegeneration induced in rats by PVC-211 murine leukemia virus by recruiting macrophages/microglia from the periphery into regions of the brain that eventually become diseased. PMID: 21051067
  14. expression is regulated by nicotine in alveolar macrophages PMID: 12101081
  15. The constitutive patterns of MIP-1 alpha mRNA and protein expression are demonstrated in rat brain throughout postnatal development within local microenvironments where the postnatal cell migration phenomenon occurs. PMID: 12899200
  16. Oligodendroglia express the CCL3 receptor CCR1, but not CCR5. CCL3 induced an intracellular rise in Ca(2+), a typical signalling event of G protein-coupled receptors. PMID: 14583384


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Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

To learn more about how to properly dissolve the lyophilized recombinant protein, please visit Lyophilization FAQs.

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