Peptide R54
Peptide R54 (Pep R54; CXCR4 antagonist peptide 19) is an antagonistic peptide targeting CXCR4 with significant anticancer activity. Peptide R54 inhibits CXCR4-dependent cell migration, epithelial-mesenchymal transition, and lung metastasis development, with better serum stability and higher CXCR4 affinity than the lead compound (IC50=20 nM). Peptide R54 synergizes with anti-PD-1 therapy to exert anti-tumor activity in vivo, enhances granzyme activity, and reduces infiltration of Foxp3 cells. Peptide R54 can be used in the study of colon cancer, ovarian cancer, and melanoma.
For research use only. We do not sell to patients.
- CAS No.: 2232233-39-3
- Formula: C44H63N15O9S2
- Molecular Weight:1010.20
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Storage:
Please store the product under the recommended conditions in the Certificate of Analysis.
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Biological Activity
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Chemical Information
- Purity & Documentation
- References
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Help & FAQs
Biological Activity
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CXCR4 |
Chemical Information
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CAS No. 2232233-39-3
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Molecular Weight 1010.20
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Formula C44H63N15O9S2
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Synonyms
Pep R54; CXCR4 antagonist peptide 19
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Sequence
Ac-Arg-Ala-cyclo{{d-Cys}-Arg-2-Nal-His-Pen}
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Sequence Shortening
Ac-RA-cyclo{{d-C}R-2-Nal-H-Pen}
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Please store the product under the recommended conditions in the Certificate of Analysis.
Purity & Documentation
References
[1]. D'Alterio C, et al. Targeting CXCR4 potentiates anti-PD-1 efficacy modifying the tumor microenvironment and inhibiting neoplastic PD-1. J Exp Clin Cancer Res. 2019 Oct 28;38(1):432. [Content Brief]
[2]. Russo D, et al. The CXCR4 antagonist R54 targets epithelial-mesenchymal transition (EMT) in human ovarian cancer cells. PLoS One. 2024 Dec 19;19(12):e0314735. [Content Brief]
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Peptide R54 Related Classifications
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