Recombinant Rat Growth-Regulated Alpha Protein (CXCL1), Active

Name: Recombinant Rat Growth-Regulated Alpha Protein (CXCL1), Active
Brand: Beta LifeScience
SKU: BLC-05464P
Availability: InStock

Collections: Chemokines and receptors, Cytokines, Cytokines and growth factors, Growth factors and receptors, Recombinant proteins

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Product Overview

Description	Recombinant Rat Growth-Regulated Alpha Protein (CXCL1), Active is produced by our E.coli expression system. This is a full length protein.
Purity	Greater than 97% as determined by SDS-PAGE and HPLC.
Endotoxin	Less than 1.0 EU/μg as determined by LAL method.
Activity	Fully biologically active when compared to standard. The biological activity determined by a chemotaxis bioassay using rat neutrophils is in a concentration range of 10-100 ng/ml.
Uniprotkb	P14095
Target Symbol	CXCL1
Synonyms	Cxcl1; Cinc1; Gro; Scyb1Growth-regulated alpha protein; C-X-C motif chemokine 1; Cytokine-induced neutrophil chemoattractant 1; CINC-1; Platelet-derived growth factor-inducible protein KC
Species	Rattus norvegicus (Rat)
Expression System	E.coli
Tag	Tag-Free
Complete Sequence	APVANELRCQ CLQTVAGIHF KNIQSLKVMP PGPHCTQTEV IATLKNGREA CLDPEAPMVQ KIVQKMLKGV PK
Expression Range	25-96aa
Protein Length	Full Length of Mature Protein
Mol. Weight	7.8 kDa
Research Area	Immunology
Form	Lyophilized powder
Buffer	Lyophilized from a 0.2 µm filtered PBS, pH 7.4
Reconstitution	Briefly centrifuged the vial prior to opening to bring the contents to the bottom. Reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL. It is recommended to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. The default final concentration of glycerol is 50%.
Storage	1. Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. 2. Avoid repeated freeze-thaw cycles. 3. Store working aliquots at 4°C for up to one week. 4. In general, protein in liquid form is stable for up to 6 months at -20°C/-80°C. Protein in lyophilized powder form is stable for up to 12 months at -20°C/-80°C.
Notes	Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

Target Details

Target Function	Has chemotactic activity for neutrophils. Contributes to neutrophil activation during inflammation.
Subcellular Location	Secreted.
Protein Families	Intercrine alpha (chemokine CxC) family
Database References	KEGG: rno:81503 STRING: 10116.ENSRNOP00000003778 UniGene: Rn.10907
Tissue Specificity	At least expressed in the lung and trachea.

Gene Functions References

The results showed that after short-term incubation both CXCL1 and CXCL2 can activate TRPV1+/IB4+ DRG neurons by significantly reducing TRPV1 desensitization, while at acute application both chemokines induced an increase in [Ca2+]i although of different amplitudes, in a subset of neurons partially also itch-sensitive in the case of CXCL1, or non-itch sensitive in the case of CXCL2. PMID: 28820395
remote ischemic preconditioning protects hepatic microcirculation by induction of HO and modulation of cytokine induced neutrophil chemoattractant in hepatic ischemia reperfusion injury PMID: 27672274
Results results demonstrate that sphingosine-1-phosphate induces Ca(2+) signaling in astrocytes via Gq -coupled receptors S1P2 and S1P3 , followed by Ca(2+) influx through TRPC6 that could activate MAPK signaling, which leads to increased secretion of the proinflammatory or neuroprotective chemokine CXCL1 PMID: 28300348
aging can reduce the expression of CINC and MCP-1 mRNA in lung tissues, and reduce the infiltration of neutrophils and monocyte-macrophages induced by CINC and MCP-1. This might lead to increased risk of pneumonia in elderly patients. PMID: 24464584
In opioid-tolerant rats, CXCL1 is up-regulated in CSF; as it is in patients also. PMID: 25383568
Function of the transient receptor potential vanilloid (TRPV)1 channel is enhanced by dorsal root ganglia inflammation. The effects (decreased tachyphylaxis) are mimicked by incubation with GRO/KC. PMID: 22466126
CXCL1 inhibition of oligodendrocyte progenitor cell migration is regulated via changes in intracellular calcium flux. PMID: 22554866
hyperoxia exposure led to a suppression of the HDAC1/HDAC2 expression and activity, and the overall HDAC activity, as well as arrest of alveolarization, and an elevated expression of CINC-1 in the lungs of newborn rats PMID: 21905265
Advanced glycation end products promote the secretion of MCP-1 and IL-8 in vascular smooth muscle cells. PMID: 21418993
Severe burn injury activates pulmonary NF-kappaB and leads to secretion of IL8 and TNF alpha in the lung. PMID: 17959522
In rats with chronic nonbacterial prostatitis, the levels of TNF-alpha and IL-8 in the serum and prostate tissues were significantly lower in the curcumin-treated group than in the positive control group. PMID: 20180411
ATP-stimulated C6 glioma cells showed enhanced expression of MCP-1 & IL-8; elevated levels of MCP-1 & IL-8 are predicted to enhance mobility of tumor cells & promote recruitment of microglia into developing tumors thereby supporting tumor growth. PMID: 20003523
These results suggest that IL-6 and CINC-1 contribute to alpha2M production in rats only when IL-6 and CINC-1 act synergistically. PMID: 21030786
The decreased serum concentration of CINC-1 as neuroprotective agent and increased CINC-2alpha in late stage of Morris hepatoma may be considered for their contribution to cerebellar degeneration. PMID: 20602290
Rats treated with fullerenes showed a transient significant increase of neutrophils and expression of CINC-1,-2alphabeta and -3. PMID: 20226088
CINC-1, released at sites of inflammation, mediates inflammatory hyperalgesia in rats via release of sympathomimetic amines. PMID: 12517731
CINC-1 also functions as an early acute-phase protein after injury to the brain or to peripheral tissues PMID: 12709409
neutrophil migration induced by IL-8 is dependent on CINC-1 release from mast cells PMID: 12824006
Data show that TII alveolar epithelial cells produce three of the major proinflammatory CXC chemokines (GRO, CINC-2alpha, and MIP-2) and their cognate receptor CXCR2. PMID: 12829448
CINC, in contrast to MIP-2, is selectively transported from the lung to the systemic circulation, where it promotes neutrophil migration into the lung in response to a chemotactic stimulus. PMID: 14617513
reactive oxygen species and lipid peroxidation mainly derived from neutrophils, which are stimulated and mobilized by TNF-alpha and cytokine-induced neutrophil chemoattractant-1 PMID: 15942680
CINC-1 may contribute to liver repair and regeneration PMID: 16271365
In summary, hyperalgesia, local PGE2 production, and spinal c-Fos expression occur after CFA-induced inflammation but not after CXCL1- or CXCL2/3-induced, selective PMN recruitment. PMID: 16522746
results demonstrate that ascorbic acid deficiency elevates the serum, liver and spleen concentrations of cytokine-induced neutrophil chemoattractant-1 (CINC-1 as seen in acute inflammation PMID: 16637227
Following cecal ligation and puncture CINC-1 production increases in the lung, setting the stage for neutrophil accumulation in lung during sepsis. PMID: 16818791
activation of PAR-2, as well as PAR-1, can rescue astrocytes from ceramide-induced apoptosis via regulating chemokine GRO/CINC-1 release. PMID: 16942465
berberine dose-dependently inhibited the expression of CINC-1 induced by LPS and diminished the anterior uveitis. PMID: 17164575
TNFalpha has in different forms of arthritis, but points out the idea that CINC-1 (the homologue for human IL-8) may constitute a promising target for reactive arthritis management PMID: 17166735
basal level of calcium is the pre-requisite for GRO/CINC-1 protein synthesis and secretion PMID: 17666044
Induction of CXCL1 by extracellular matrix and autocrine enhancement by interleukin-1 in rat pancreatic beta-cells. PMID: 17702850
GGA effectively suppressed the up-regulation of GRO1 messenger ribonucleic acid, and this was validated by Northern hybridization. PMID: 18683011
This is the first time that centrally injected CINC-1 has been reported to act directly on the pyrogen-sensitive neurons of the preoptic area, promoting a thermoregulatory response that seems to depend on other endogenous pyrogens synthesis and PGE2. PMID: 18694739
CXCL1 incubation (1.5 nM, overnight) caused marked upregulation of Na+ currents in acutely isolated small diameter rat (adult) sensory neurons in vitro. PMID: 18816377
The results suggest that GRO/KC has important effects in inflammatory processes via its direct actions on sensory neurons. PMID: 19476648
CINC-1 is a neutrophil chemoattractant; findings have established that CINC-1 also functions as an early acute-phase protein after injury to the brain or to peripheral tissues. PMID: 12709409

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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.

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