MLN-1117
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MedKoo CAT#: 205743

CAS#: 1268454-23-4

Description: Serabelisib (also known as MLN1117, INK1117, and TAK-117) is an orally bioavailable inhibitor of the class I phosphoinositide 3-kinase (PI3K) alpha isoform with potential antineoplastic activity. PI3K alpha inhibitor INK1117 selectively inhibits PI3K alpha kinase, including mutations of PIK3CA, in the PI3K/Akt/mTOR pathway, which may result in tumor cell apoptosis and growth inhibition in PI3K alpha-expressing tumor cells. By specifically targeting class I PI3K alpha, this agent may be more efficacious and less toxic than pan-PI3K inhibitors.


Chemical Structure

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MLN-1117
CAS# 1268454-23-4

Theoretical Analysis

MedKoo Cat#: 205743
Name: MLN-1117
CAS#: 1268454-23-4
Chemical Formula: C19H17N5O3
Exact Mass: 363.1331
Molecular Weight: 363.377
Elemental Analysis: C, 62.80; H, 4.72; N, 19.27; O, 13.21

Price and Availability

Size Price Availability Quantity
10.0mg USD 120.0 Same Day
25.0mg USD 190.0 Same Day
50.0mg USD 350.0 Same Day
100.0mg USD 550.0 Same Day
200.0mg USD 950.0 Same Day
500.0mg USD 1850.0 Same Day
1.0g USD 2950.0 2 weeks
2.0g USD 3950.0 2 weeks
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Synonym: INK1117; INK-1117; INK 1117; MLN1117; MLN 1117; MLN-1117; TAK-117; TAK 117; TAK117; Serabelisib

IUPAC/Chemical Name: [6-(2-amino-5-benzoxazolyl)imidazo[1,2-a]pyridin-3-yl]-4-morpholinyl-methanone

InChi Key: BLGWHBSBBJNKJO-UHFFFAOYSA-N

InChi Code: InChI=1S/C19H17N5O3/c20-19-22-14-9-12(1-3-16(14)27-19)13-2-4-17-21-10-15(24(17)11-13)18(25)23-5-7-26-8-6-23/h1-4,9-11H,5-8H2,(H2,20,22)

SMILES Code: O=C(C1=CN=C2C=CC(C3=CC=C(OC(N)=N4)C4=C3)=CN21)N5CCOCC5

Appearance: Brown solid powder

Purity: >98%

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO, not in water

Shelf Life: >5 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

Biological target: Serabelisib (MLN1117) is a selective p110α inhibitor with an IC50 of 15 nM.
In vitro activity: The effects of inhibitors on the proliferation of purified, CFSE-labeled B cells were compared. Statistical analysis of normalized data showed that the effects of GDC-0941 and IC87114 were highly significant, yet there was no significant effect of 1 μm A66, MLN1117, or TGX-221. At a higher concentration (2 μm), A66 or MLN1117 did significantly suppress B cell proliferation driven by anti-IgM alone but not by anti-IgM plus IL-4 (Fig. 4, A and B). Notably, CFSE histograms for three independent experiments did show a consistent, dose-dependent reduction in the extent of B cell division by each of the isoform-selective PI3K inhibitors (data not shown). Similar results were obtained using human peripheral blood B cells stimulated with anti-human IgD and IL-4 (Fig. 4C). Next the effects of PI3K inhibitors were tested on survival of purified B cells cultured in the presence of the cytokines BAFF or IL-4. At higher concentrations (1 μm) both A66 and MLN1117 caused only a minor decrease in survival. Reference: J Biol Chem. 2013 Feb 22; 288(8): 5718–5731. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3581375/
In vivo activity: To compare the effects of PI3K inhibitors on B cell and T cell-mediated immune responses in vivo, antibody production was measured in mice vaccinated with hapten-carrier conjugates. To model T cell-independent antibody responses driven by BCR crosslinking, TNP-Ficoll was used as the immunogen. GDC-0941 treatment abrogated TNP-specific IgG3 production (Fig. 9A). This indicates that the T cell-independent IgG3 response is completely PI3K dependent. Treatment with MLN1117 at 30 and 60 mg/kg caused little reduction of TNP-specific IgG3 (Fig. 9A). Notably, reduction of TNP-specific IgG3 was observed at higher doses of MLN1117 (120 mg/kg), consistent with the partial reduction in cell division in B cells treated with MLN1117 before anti-IgM stimulation in vitro. However, 120 mg/kg is above the effective dose of MLN1117 for tumor growth inhibition (30–60 mg/kg). Reference: J Biol Chem. 2013 Feb 22; 288(8): 5718–5731. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3581375/

Solubility Data

Solvent Max Conc. mg/mL Max Conc. mM
Solubility
DMSO 4.0 11.01

Preparing Stock Solutions

The following data is based on the product molecular weight 363.377 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
Formulation protocol: 1. So L, Yea SS, Oak JS, Lu M, Manmadhan A, Ke QH, Janes MR, Kessler LV, Kucharski JM, Li LS, Martin MB, Ren P, Jessen KA, Liu Y, Rommel C, Fruman DA. Selective inhibition of phosphoinositide 3-kinase p110α preserves lymphocyte function. J Biol Chem. 2013 Feb 22;288(8):5718-31. doi: 10.1074/jbc.M112.379446. Epub 2012 Dec 28. PMID: 23275335; PMCID: PMC3581375. 2. Yea SS, So L, Mallya S, Lee J, Rajasekaran K, Malarkannan S, Fruman DA. Effects of novel isoform-selective phosphoinositide 3kinase inhibitors on natural killer cell function. PLoS One. 2014 Jun 10;9(6):e99486. doi: 10.1371/journal.pone.0099486. PMID: 24915189; PMCID: PMC4051752.
In vitro protocol: 1. So L, Yea SS, Oak JS, Lu M, Manmadhan A, Ke QH, Janes MR, Kessler LV, Kucharski JM, Li LS, Martin MB, Ren P, Jessen KA, Liu Y, Rommel C, Fruman DA. Selective inhibition of phosphoinositide 3-kinase p110α preserves lymphocyte function. J Biol Chem. 2013 Feb 22;288(8):5718-31. doi: 10.1074/jbc.M112.379446. Epub 2012 Dec 28. PMID: 23275335; PMCID: PMC3581375. 2. Yea SS, So L, Mallya S, Lee J, Rajasekaran K, Malarkannan S, Fruman DA. Effects of novel isoform-selective phosphoinositide 3kinase inhibitors on natural killer cell function. PLoS One. 2014 Jun 10;9(6):e99486. doi: 10.1371/journal.pone.0099486. PMID: 24915189; PMCID: PMC4051752.
In vivo protocol: 1. So L, Yea SS, Oak JS, Lu M, Manmadhan A, Ke QH, Janes MR, Kessler LV, Kucharski JM, Li LS, Martin MB, Ren P, Jessen KA, Liu Y, Rommel C, Fruman DA. Selective inhibition of phosphoinositide 3-kinase p110α preserves lymphocyte function. J Biol Chem. 2013 Feb 22;288(8):5718-31. doi: 10.1074/jbc.M112.379446. Epub 2012 Dec 28. PMID: 23275335; PMCID: PMC3581375. 2. Yea SS, So L, Mallya S, Lee J, Rajasekaran K, Malarkannan S, Fruman DA. Effects of novel isoform-selective phosphoinositide 3kinase inhibitors on natural killer cell function. PLoS One. 2014 Jun 10;9(6):e99486. doi: 10.1371/journal.pone.0099486. PMID: 24915189; PMCID: PMC4051752.

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1: Yea SS, So L, Mallya S, Lee J, Rajasekaran K, Malarkannan S, Fruman DA. Effects of novel isoform-selective phosphoinositide 3-kinase inhibitors on natural killer cell function. PLoS One. 2014 Jun 10;9(6):e99486. doi: 10.1371/journal.pone.0099486. eCollection 2014. PubMed PMID: 24915189; PubMed Central PMCID: PMC4051752.

2: So L, Yea SS, Oak JS, Lu M, Manmadhan A, Ke QH, Janes MR, Kessler LV, Kucharski JM, Li LS, Martin MB, Ren P, Jessen KA, Liu Y, Rommel C, Fruman DA. Selective inhibition of phosphoinositide 3-kinase p110α preserves lymphocyte function. J Biol Chem. 2013 Feb 22;288(8):5718-31. doi: 10.1074/jbc.M112.379446. Epub 2012 Dec 28. PubMed PMID: 23275335; PubMed Central PMCID: PMC3581375.

MLN-1117

10.0mg / USD 120.0


Additional Information

INK1117 has demonstrated significant efficacy in several PI3Kα mutant-specific preclinical mouse xenograft tumor models. Moreover, daily oral administration of INK1117 inhibited tumor growth in a dose-dependent manner with a predicted PK/PD relationship, was well tolerated at a range of efficacious doses, and exhibited several differentiating features from less selective inhibitors that target the PI3K/Akt/mTOR pathway.  A Phase I dose escalation study is underway to evaluate the safety, tolerability and pharmacokinetics of single-agent INK1117 in patients with advanced solid malignancies who have tumors characterized by the presence of a PIK3CA mutation.   (source: http://www.intellikine.com/pipeline/pi3kalpha_inhibitors.html).