LY-2510924 (BAT-006091)
* For research use only

LY-2510924 is an inhibitor of CXC chemokine receptor 4 (CXCR4). It has potential antineoplastic activity. It binds to the chemokine receptor CXCR4, thereby preventing CXCR4 binding to its ligand, stromal derived factor-1 (SDF-1), and subsequent receptor activation upon subcutaneous administration, which may result in decreased tumor cell proliferation and migration. It plays an important role in chemotaxis and angiogenesis and is upregulated in several tumor cell types.

Peptide Inhibitors
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LY-2510924 has potential antineoplastic activity. It plays an important role in chemotaxis and angiogenesis.
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BAT-006091 5 mg $298 In stock
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LY2510924; LY-2510924; LY 2510924; Cyclo[Phe-Tyr-Lys(iPr)-D-Arg-2-Nal-Gly-D-Glu]-Lys(iPr)-NH2; Cyclo[Phe-Tyr-Lys(iPr)-D-Arg-2-Nal-Gly-D-Glu]-Lys(iPr)-NH2; (2S,5S,20R)-N-((S)-1-amino-6-(isopropylamino)-1-oxohexan-2-yl)-2-benzyl-5-(4-hydroxybenzyl)-8-(4-(isopropylamino)butyl)-14-(naphthalen-2-ylmethyl)-3,6,9,12,15,18,23-heptaoxo-11-(3-ureidopropyl)-1,4,7,10,13,16,19-heptaazacyclotricosane-20-carboxamide; L-Lysinamide, L-phenylalanyl-L-tyrosyl-N6-(1-methylethyl)-L-lysyl-D-arginyl-3-(2-naphthalenyl)-L-alanylglycyl-D-alpha-glutamyl-N6-(1-methylethyl)-, (7->1)-lactam; (2S,5S,8S,11R,14S,20R)-N-[(2S)-1-amino-1-oxo-6-(propan-2-ylamino)hexan-2-yl]-2-benzyl-11-[3-(diaminomethylideneamino)propyl]-5-[(4-hydroxyphenyl)methyl]-14-(naphthalen-2-ylmethyl)-3,6,9,12,15,18,23-heptaoxo-8-[4-(propan-2-ylamino)butyl]-1,4,7,10,13,16,19-heptazacyclotricosane-20-carboxamide
Solid powder
1.33±0.1 g/cm3 | Condition: Temp: 20 °C Press: 760 Torr
-20°C Freezer
10 mM in DMSO
LY-2510924 has potential antineoplastic activity. It plays an important role in chemotaxis and angiogenesis.
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1.A Randomized, Open-Label Phase 2 Study of the CXCR4 Inhibitor LY2510924 in Combination with Sunitinib Versus Sunitinib Alone in Patients with Metastatic Renal Cell Carcinoma (RCC).
Hainsworth JD;Reeves JA;Mace JR;Crane EJ;Hamid O;Stille JR;Flynt A;Roberson S;Polzer J;Arrowsmith ER Target Oncol. 2016 Oct;11(5):643-653.
PURPOSE: ;The chemokine (C-X-C Motif) receptor 4 (CXCR4) and its ligand, stromal-cell derived factor-1 (SDF-1), are frequently overexpressed in a variety of solid tumors, and are believed to play important roles in the regulation of organ-specific metastasis, tumor growth, invasion, and survival. In this randomized Phase 2 trial, we evaluated the safety and efficacy of LY2510924 (LY), a peptide antagonist of CXCR4, combined with sunitinib (SUN) in the first-line treatment of advanced renal cell carcinoma (RCC).;PATIENTS AND METHODS: ;Eligible patients were randomized (2:1) to receive LY (20 mg SC daily) + SUN (50 mg PO daily for 4 weeks followed by 2 weeks off) or SUN alone. Response was assessed after two cycles; patients continued treatment until tumor progression or intolerable toxicity. The study was powered to detect a 47 % increase in median progression-free survival (PFS).;RESULTS: ;One hundred eight patients were randomized and treated (LY + SUN, 72; SUN, 36); median duration of treatment of five cycles. Observed median PFS was 8.1 months with LY + SUN and 12.3 months with SUN; Bayesian time-to-event HR 1.23; 95 % credible interval: 0.74, 1.96. LY was well tolerated; the toxicity profile was typical of SUN.
2.Identification of LY2510924, a novel cyclic peptide CXCR4 antagonist that exhibits antitumor activities in solid tumor and breast cancer metastatic models.
Peng SB;Zhang X;Paul D;Kays LM;Gough W;Stewart J;Uhlik MT;Chen Q;Hui YH;Zamek-Gliszczynski MJ;Wijsman JA;Credille KM;Yan LZ Mol Cancer Ther. 2015 Feb;14(2):480-90. doi: 10.1158/1535-7163.MCT-14-0850. Epub 2014 Dec 12.
Emerging evidence demonstrates that stromal cell-derived factor 1 (SDF-1) and CXCR4, a chemokine and chemokine receptor pair, play important roles in tumorigenesis. In this report, we describe a small cyclic peptide, LY2510924, which is a potent and selective CXCR4 antagonist currently in phase II clinical studies for cancer. LY2510924 specifically blocked SDF-1 binding to CXCR4 with IC50 value of 0.079 nmol/L, and inhibited SDF-1-induced GTP binding with Kb value of 0.38 nmol/L. In human lymphoma U937 cells expressing endogenous CXCR4, LY2510924 inhibited SDF-1-induced cell migration with IC50 value of 0.26 nmol/L and inhibited SDF-1/CXCR4-mediated intracellular signaling. LY2510924 exhibited a concentration-dependent inhibition of SDF-1-stimulated phospho-ERK and phospho-Akt in tumor cells. Biochemical and cellular analyses revealed that LY2510924 had no apparent agonist activity. Pharmacokinetic analyses suggested that LY2510924 had acceptable in vivo stability and a pharmacokinetic profile similar to a typical small-molecular inhibitor in preclinical species. LY2510924 showed dose-dependent inhibition of tumor growth in human xenograft models developed with non-Hodgkin lymphoma, renal cell carcinoma, lung, and colon cancer cells that express functional CXCR4.
3.Antileukemia activity of the novel peptidic CXCR4 antagonist LY2510924 as monotherapy and in combination with chemotherapy.
Cho BS;Zeng Z;Mu H;Wang Z;Konoplev S;McQueen T;Protopopova M;Cortes J;Marszalek JR;Peng SB;Ma W;Davis RE;Thornton DE;Andreeff M;Konopleva M Blood. 2015 Jul 9;126(2):222-32. doi: 10.1182/blood-2015-02-628677. Epub 2015 Jun 1.
Targeting the stromal cell-derived factor 1α (SDF-1α)/C-X-C chemokine receptor type 4 (CXCR4) axis has been shown to be a promising therapeutic approach to overcome chemoresistance in acute myeloid leukemia (AML). We investigated the antileukemia efficacy of a novel peptidic CXCR4 antagonist, LY2510924, in preclinical models of AML. LY2510924 rapidly and durably blocked surface CXCR4 and inhibited stromal cell-derived factor 1 (SDF-1)α-induced chemotaxis and prosurvival signals of AML cells at nanomolar concentrations more effectively than the small-molecule CXCR4 antagonist AMD3100. In vitro, LY2510924 chiefly inhibited the proliferation of AML cells with little induction of cell death and reduced protection against chemotherapy by stromal cells. In mice with established AML, LY2510924 caused initial mobilization of leukemic cells into the circulation followed by reduction in total tumor burden. LY2510924 had antileukemia effects as monotherapy as well as in combination with chemotherapy. Gene expression profiling of AML cells isolated from LY2510924-treated mice demonstrated changes consistent with loss of SDF-1α/CXCR4 signaling and suggested reduced proliferation and induction of differentiation, which was proved by showing the attenuation of multiple prosurvival pathways such as PI3K/AKT, MAPK, and β-catenin and myeloid differentiation in vivo.
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