Recombinant Human C-C motif chemokine 15 protein (CCL15) (Active)

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Code CSB-AP000591HU
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Product Details

>97% as determined by SDS-PAGE.
Less than 1.0 EU/μg as determined by LAL method.
Fully biologically active when compared to standard. The biological activity determined by a chemotaxis bioassay using human T-lymphocytes is in a concentration range of 1.0-10 ng/ml.
Target Names
Uniprot No.
Research Area
Alternative Names
C-C motif chemokine 15; C-C motif chemokine ligand 15; CC chemokine 3; CCL15; CCL15(29-92); CCL15_HUMAN; Chemokine (C C motif) ligand 15; Chemokine CC-2; Chemokine CC2; HCC-2; HCC2; HMRP 2B; HMRP2B; Leukotactin 1; Leukotactin-1; LKN-1; LKN1; Macrophage inflammatory protein 5; MIP 1D; MIP-1 delta; MIP-1D; MIP-5; MIP1 delta; MIP1d; MIP5; MRP 2B; Mrp-2b; Mrp2b; NCC 3; NCC-3; NCC3; New CC chemokine 3; OTTHUMP00000163955; SCYA15; SCYL3; Small inducible cytokine A15; Small inducible cytokine subfamily A (Cys Cys); member 15; Small-inducible cytokine A15; SY15
Homo sapiens (Human)
Expression Region
Complete Sequence
Mol. Weight
10.2 kDa
Protein Length
Full Length of Mature Protein
Tag Info
Lyophilized powder
Lyophilized from a 0.2 µm filtered PBS, pH 7.4
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
5-10 business days
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet & COA
Please contact us to get it.

The recombinant human CCL15 protein is expressed in E. coli and covers the full length of the mature 22-113aa sequence. This tag-free protein is provided as a lyophilized powder, allowing for easy reconstitution with sterile water or buffer. With a purity of >97% as determined by SDS-PAGE and HPLC, our recombinant CCL15 also maintains a low endotoxin level of less than 1.0 EU/µg, as measured by the LAL method. The protein retains full biological activity, as demonstrated by its effectiveness in a chemotaxis bioassay using human T-lymphocytes, with an activity concentration range of 1.0-10 ng/ml.

C-C motif chemokine 15 (CCL15) is a member of the CC chemokine family and plays a crucial role in regulating immune cell trafficking and function. As such, understanding the functions and mechanisms of CCL15 is vital in uncovering the roles it plays in the immune system and the development of potential therapeutic interventions for immune-related diseases.

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Target Background

Chemotactic factor that attracts T-cells and monocytes, but not neutrophils, eosinophils, or B-cells. Acts mainly via CC chemokine receptor CCR1. Also binds to CCR3. CCL15(22-92), CCL15(25-92) and CCL15(29-92) are more potent chemoattractants than the small-inducible cytokine A15.
Gene References into Functions
  1. CCL15 secreted from SMAD4-deficient xenografted human colorectal cancer cells recruited CCR1(+) cells, promoting their metastatic activities to the lung. Lung metastases from colorectal cancer patients revealed that CCL15 expression correlated with loss of SMAD4. CCL15-positive metastases recruited approximately 1.9 times more numbers of CCR1(+) cells than CCL15-negative metastases. PMID: 27492974
  2. CCL15 activation of CCR1 plays critical roles in hepatocellular carcinoma metastasis. PMID: 26501423
  3. Orthotopic animal models of HCC were established to investigate the role of CCL15 in hMSCs migration toward HCC in vivo. Both histological and flow cytometric analysis showed that significantly fewer hMSCs localized within 97H-CCL15-shRNA xenografts compared with 97H-green fluorescent protein xenografts after intravenous delivery PMID: 26763650
  4. Loss of SMAD4 was significantly associated with CCL15 expression. PMID: 26341919
  5. follicular thyroid carcinoma (FTC) might induce tumor associated macrophages (TAMs) infiltration by producing CCL15. Measurement of TAMs and CCL15 in follicular thyroid lesions may be applied clinically to differentiate FTC from follicular adenoma PMID: 26875556
  6. two inflammatory cytokines, MIP-1delta and MIP-3alpha, are able to increase mesenchymal stromal cells migration in vitro PMID: 25579056
  7. we investigated a role of CCL15 in upregulating ICAM-1 in endothelial cells PMID: 23690481
  8. CCL15 is elevated in human asthma and correlates with disease severity . PMID: 22092970
  9. Data show that Only three of these proteins EGF, PDGF-BB and MIP-1delta (CCL15) differed significantly in plasma between controls and Alzheimer's disease (AD). PMID: 22279551
  10. increased secretion by macrophages during Mycobacterium tuberculosis infection PMID: 20016943
  11. truncation of NH2-terminal amino acid residues increases agonistic potency on CC chemokine receptors 1 and 3 PMID: 11832479
  12. Lkn-1 activates the ERK pathway by transducing the signal through G(i)/G(o) protein, PLC, PKC delta and Ras, and it may play a role for cell proliferation, differentiation, and regulation of gene expression for other cellular processes PMID: 12759139
  13. These observations demonstrate that the two NF-kappaB binding sites are essential for phorbol myristate acetate-induced leukotactin-1 (Lkn-1)/CCL15 expression in human monocytes. PMID: 15179048
  14. CCL15(25-92) has in vitro and in vivo angiogenic activity PMID: 15251437
  15. alanine-aspartic acid residues preceding the first cysteine at the NH(2)-terminus are essential for the binding and biological activity of leukotactin-1 PMID: 15894113
  16. Compared with full-length CCL15, proteolytically processed CCL15 isoforms with N-terminal deletions display increased potency to induce calcium fluxes and chemotactic activity on monocytes and to induce adhesiveness of mononuclear cells to fibronectin. PMID: 16034099
  17. Transcription of the CCL15 gene is regulated by AP-1 and NF-kappaB through MEK and JNK MAPK pathways in monocytoid cells. PMID: 16364464
  18. Results point to an involvement of the CCL15-CCR1 axis in the pathophysiology of chronic renal failure. PMID: 16737685
  19. factor NF-kappaB plays an important role in regulation of LZIP expression, and LZIP expression regulates the monocyte cell migration induced by Lkn-1 PMID: 17296613

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Subcellular Location
Protein Families
Intercrine beta (chemokine CC) family
Tissue Specificity
Most abundant in heart, skeletal muscle and adrenal gland. Lower levels in placenta, liver, pancreas and bone marrow. CCL15(22-92), CCL15(25-92) and CCL15(29-92) are found in high levels in synovial fluids from rheumatoid patients.
Database Links

HGNC: 10613

OMIM: 601393

KEGG: hsa:6359

STRING: 9606.ENSP00000432034

UniGene: Hs.272493

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