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Chemical Structure| 1260251-31-7 Chemical Structure| 1260251-31-7

Structure of Birinapant
CAS No.: 1260251-31-7

Chemical Structure| 1260251-31-7

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Birinapant (TL32711) is a bivalent Smac mimetic and a potent antagonist for XIAP and cIAP1 with Kds of 45 nM and less than 1 nM, respectively. Birinapant induces the autoubiquitylation and proteasomal degradation of cIAP1 and cIAP2 in cells, resulting in the formation of a RIPK1 complex, caspase-8 activation, and induction of tumor cell death. It targets TRAF2-associated cIAPs and abrogates TNF-induced NF-κB activation.

Synonyms: TL32711

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Product Details of Birinapant

CAS No. :1260251-31-7
Formula : C42H56F2N8O6
M.W : 806.94
SMILES Code : FC1=CC2=C(C=C1)C(C[C@H]3N(C([C@@H](NC([C@@H](NC)C)=O)CC)=O)C[C@@H](O)C3)=C(C(N4)=C(C[C@H]5N(C([C@@H](NC([C@@H](NC)C)=O)CC)=O)C[C@@H](O)C5)C6=C4C=C(F)C=C6)N2
Synonyms :
TL32711
MDL No. :MFCD25976869
InChI Key :PKWRMUKBEYJEIX-DXXQBUJASA-N
Pubchem ID :49836020

Safety of Birinapant

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P280-P305+P351+P338

Isoform Comparison

Biological Activity

Target
  • cIAP

    cIAP1, Kd:<1 nM

  • XIAP

    XIAP, Kd:45 nM

In Vitro:

Cell Line
Concentration Treated Time Description References
IMR-90 2 μM 24 h To identify genetic modifiers that enhance senescent cell death Cell Metab. 2023 Oct 3;35(10):1814-1829.e6.
TNBC PDX tumor cells 1 μM 24 or 48 h To evaluate the killing effect of Birinapant on TNBC PDX tumor cells, results showed that TNBC PDX tumor cells were sensitive to Birinapant Cell Death Differ. 2020 Oct;27(10):2768-2780.
MDA-MB-231 cells 1 μM 24 h To evaluate the killing effect of Birinapant on MDA-MB-231 cells, results showed that MDA-MB-231 cells were sensitive to Birinapant Cell Death Differ. 2020 Oct;27(10):2768-2780.
MDA-MB-468 cells 1 μM 24 h To evaluate the killing effect of Birinapant on MDA-MB-468 cells, results showed that MDA-MB-468 cells were sensitive to Birinapant Cell Death Differ. 2020 Oct;27(10):2768-2780.
IMR-90 normal human lung fibroblasts 2 μM 24 h Screened for genetic modifiers of cell death, identified 14 hits passing 10% FDR threshold Cell Metab. 2023 Oct 3;35(10):1814-1829.e6.
PANC-1 cells 100 nM 0, 6, 24, 48, 72 h To investigate the effects of Birinapant in combination with gemcitabine on pancreatic cancer cells, the results showed synergistic effects involving cell cycle regulation and apoptosis signaling pathways. Front Pharmacol. 2018 Feb 19;9:84.
MDA-MB-468 4 μM 48 h Birinapant significantly enhanced the immunotoxin-mediated killing of MDA-MB-468 cells, reducing the IC50 by 10-fold to 100-fold. FASEB J. 2023 Dec;37(12):e23292.
A431 4 μM 48 h Birinapant only modestly enhanced the immunotoxin-mediated killing of A431 cells, reducing the IC50 by only 5-fold. FASEB J. 2023 Dec;37(12):e23292.
HT-29 cells 1 µM 4 h Beclin 1-depleted HT-29 cells were more sensitive to TNF α-induced necroptosis Cell Death Differ. 2020 Nov;27(11):3065-3081.
Molm-13 cells 0.05 µM 10 h Beclin 1-depleted Molm-13 cells were more sensitive to Smac mimetic and caspase inhibitor-induced necroptosis Cell Death Differ. 2020 Nov;27(11):3065-3081.
NALM6 leukemia cells 50 nM 16 to 30 h To evaluate the effect of Birinapant and TNF combination on inducing extrinsic apoptosis in NALM6 leukemia cells, observing activation of caspase-8 and -9, and cleavage of effector caspase-3, -7, and -6. Sci Adv. 2019 Jul 31;5(7):eaau9433.
Jurkat leukemia cells 50 nM To evaluate the effect of Birinapant and TNF combination on inducing extrinsic apoptosis in Jurkat leukemia cells, finding that cells lacking caspase-3 and -7 were resistant to ABT263 but remained sensitive to Birinapant and TNF-induced apoptosis. Sci Adv. 2019 Jul 31;5(7):eaau9433.
B16F10 cells 1, 5, 10, 20 μM 48 h To test the effect of Birinapant on MHC-I and PD-L1 expression, results showed that Birinapant specifically upregulated MHC-I with minimal effect on PD-L1. Cancer Discov. 2021 Jun;11(6):1524-1541.
CT26 cells 1, 5, 10, 20 μM 48 h To test the effect of Birinapant on MHC-I and PD-L1 expression, results showed that Birinapant specifically upregulated MHC-I with minimal effect on PD-L1. Cancer Discov. 2021 Jun;11(6):1524-1541.

In Vivo:

Species
Animal Model
Administration Dosage Frequency Description References
Mice CT-2A brain tumour model Intraperitoneal injection 30 mg/kg Birinapant in combination with anti-PD-1 antibody significantly extended the survival of mice bearing intracranial CT-2A tumours. Nat Commun. 2017 Feb 15;8:14278
Mice Bleomycin-induced pulmonary fibrosis model Intraperitoneal injection 15 mg/kg 5 days To evaluate the effect of the ABT-199 and birinapant combination in clearing senescent cells in vivo Cell Metab. 2023 Oct 3;35(10):1814-1829.e6.
Mice TNBC PDX models Intraperitoneal injection 30 mg/kg Three times per week for seven weeks To evaluate the in vivo efficacy of Birinapant in TNBC PDX models, results showed that Birinapant significantly attenuated the growth of TNBC PDX models Cell Death Differ. 2020 Oct;27(10):2768-2780.
Mice Bleomycin-induced pulmonary fibrosis model Intraperitoneal injection 15 mg/kg Once daily for 5 days Evaluated the effect of ABT-199 and birinapant combination therapy on senescent cell markers in a pulmonary fibrosis model, showing significant reduction in p16INK4a, Il6, Col1a2, and SA-βgal expression Cell Metab. 2023 Oct 3;35(10):1814-1829.e6.
Nude mice MDA-MB-468 and A431 tumor xenograft models Intraperitoneal injection 30 mg/kg Once daily for 22 days Combination therapy with birinapant and immunotoxin significantly inhibited the growth of MDA-MB-468 tumors, with complete regression in four out of five mice and 100% overall survival. FASEB J. 2023 Dec;37(12):e23292.
BALB/c nude mice Molm-13 cell xenograft model Intraperitoneal injection 2 mg/kg Every two days for two weeks Beclin 1-depleted Molm-13 cells were more sensitive to birinapant and emricasan-induced necroptosis, leading to significant reduction in tumor growth Cell Death Differ. 2020 Nov;27(11):3065-3081.
Mice B16F10 melanoma model Intraperitoneal injection 600 μg/mouse Every 3 days for a total of 3 times To test the effect of Birinapant in combination with ICB treatment, results showed that Birinapant alone reduced tumor growth, and further reduced tumor progression when combined with ICB. Cancer Discov. 2021 Jun;11(6):1524-1541.

Clinical Trial:

NCT Number Conditions Phases Recruitment Completion Date Locations
NCT01486784 Acute Myelogenous Leukemia PHASE1|PHASE2 TERMINATED 2025-04-15 Abramson Cancer Center of the ... More >>University of Pennsylvania, Philadelphia, Pennsylvania, 19104, United States Less <<
NCT01188499 Cancer PHASE1|PHASE2 COMPLETED 2025-03-14 Holy Cross Hospital, Fort Laud... More >>erdale, Florida, 33308, United States|Barbara Ann Karmanos Cancer Center, Detroit, Michigan, 48201, United States|Roswell Park Cancer Institute, Buffalo, New York, 14263, United States|University of Pennsylvania Abramson Cancer Center, Philadelphia, Pennsylvania, 19104, United States|Fox Chase Cancer Center, Philadelphia, Pennsylvania, 19111, United States|Mary Crowley Cancer Research Center, Dallas, Texas, 75201, United States|South Texas Accelerated Research Therapeutics (START), San Antonio, Texas, 78229, United States Less <<

Protocol

Bio Calculators
Preparing Stock Solutions 1mg 5mg 10mg

1 mM

5 mM

10 mM

1.24mL

0.25mL

0.12mL

6.20mL

1.24mL

0.62mL

12.39mL

2.48mL

1.24mL

References

 

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