PP 242
Chemical Name: 2-[4-Amino-1-(1-methylethyl)-1H-pyrazolo[3,4-d]pyrimidin-3-yl]-1H-indol-5-ol
Purity: ≥98%
Biological Activity
PP 242 is an ATP-competitive mTORC1/mTORC2 inhibitor (IC50 = 8 nM). Displays selectivity for mTOR over other PI 3K family kinases (IC50 values are 0.102, 0.408, 1.27, 1.96 and 2.2 μM for p110γ, DNA-PK, p110δ, p110α and p110β respectively) and 215 further kinases. Displays modest inhibition of PKCα, JAK2, PKCβI, PKCβII and RET (IC50 values are 0.049, 0.110, 0.185, 0.198 and 0.224 μM respectively). Inhibits both S6K and 4EBP1 phosphorylation; activity causes a decrease in cap-dependent protein translation. Also triggers downregulation of cFLIPS and augments TRAIL-induced apoptosis of cancer cells. PP 242 also inhibits oncogenic K-Ras and PI 3-K induced lipogenesis in breast cancer cells.Technical Data
The technical data provided above is for guidance only.
For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
Background References
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Insulin-like growth factor promotes cardiac lineage induction in vitro by selective expansion of early mesoderm.
Engels M, Rajarajan K, Feistritzer R, Sharma A, Nielsen U, Schalij M, de Vries A, Pijnappels D, Wu S
Stem Cells, 2014;32(6):1493-502. -
Pharmacological modulators of autophagy activate a parallel noncanonical pathway driving unconventional LC3 lipidation
E Jacquin, S Leclerc-Me, C Judon, E Blanchard, S Fraitag, O Florey
Autophagy, 2017;0(0):1-14. -
mTOR complex 2 is involved in regulation of Cbl-dependent c-FLIP regulation and sensitivity of TRAIL-induced apoptosis.
Zhao et al.
Cancer Res., 2013;73:1946 -
Targeted polypharmacology: discovery of dual inhibitors of tyrosine and phosphoinositide kinases.
Apsel et al.
Nat.Chem.Biol., 2008;4:691 -
Effective and selective targeting of leukemia cells using a TORC1/2 kinase inhibitor.
Janes et al.
Nat.Med., 2010;16:205
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Citations for PP 242
The citations listed below are publications that use Tocris products. Selected citations for PP 242 include:
21 Citations: Showing 1 - 10
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Transcriptome, proteome, and protein synthesis within the intracellular cytomatrix.
Authors: Sandra L Et al.
iScience 2023;26:105965
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Ribosomal leaky scanning through a translated uORF requires eIF4G2.
Authors: Tatiana A Et al.
Nucleic Acids Res 2022;50:1111-1127
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V-ATPase is a universal regulator of LC3-associated phagocytosis and non-canonical autophagy.
Authors: Elise Et al.
J Cell Biol 2022;221
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Inhibition of the SEC61 translocon by mycolactone induces a protective autophagic response controlled by EIF2S1-dependent translation that does not require ULK1 activity.
Authors: Maria Et al.
Autophagy 2022;18:841-859
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High-throughput translational profiling with riboPLATE-seq.
Authors: Christian Et al.
Sci Rep 2022;12:5718
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Non-canonical autophagy drives alternative ATG8 conjugation to phosphatidylserine.
Authors: Anne Et al.
Mol Cell 2021;81:2031-2040.e8
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In vivo screen identifies a SIK inhibitor that induces β cell proliferation through a transient UPR.
Authors: Peng Et al.
Nat Metab 2021;3:682-700
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Comparing mTOR inhibitor Rapamycin with Torin-2 within the RIST molecular-targeted regimen in neuroblastoma cells.
Authors: Selim Et al.
Int J Med Sci 2021;18:137-149
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Ribosome profiling reveals a functional role for autophagy in mRNA translational control.
Authors: Adam Et al.
Commun Biol 2020;3:388
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β1 integrin, ILK and mTOR regulate collagen synthesis in mechanically loaded tendon cells.
Authors: Paul C Et al.
Sci Rep 2020;10:12644
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Noncanonical Modulation of the eIF2 Pathway Controls an Increase in Local Translation during Neural Wiring.
Authors: Cagnetta Et al.
Mol Cell 2019;73:474
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NOX1-Dependent mTORC1 Activation via S100A9 Oxidation in Cancer Stem-like Cells Leads to Colon Cancer Progression.
Authors: Masaya Et al.
Cell Rep 2019;28:1282-1295.e8
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Late Endosomes Act as mRNA Translation Platforms and Sustain Mitochondria in Axons.
Authors: Cioni Et al.
Cell 2019;176:56
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Pharmacological modulators of autophagy activate a parallel noncanonical pathway driving unconventional LC3 lipidation.
Authors: Jacquin Et al.
Autophagy 2017;13:854
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Overcoming mTOR resistance mutations with a new-generation mTOR inhibitor.
Authors: Rodrik-Outmezguine Et al.
Nature 2016;534:272
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Oncogenic PI3K and K-Ras stimulate de novo lipid synthesis through mTORC1 and SREBP.
Authors: Ricoult Et al.
Oncogene 2016;35:1250
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Trehalose upregulates progranulin expression in human and mouse models of GRN haploinsufficiency: a novel therapeutic lead to treat frontotemporal dementia.
Authors: Holler Et al.
Mol Neurodegener 2016;11:46
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A large-scale screen reveals genes that mediate electrotaxis in Dictyostelium discoideum.
Authors: Gao Et al.
Sci Signal 2015;8:ra50
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GSK-3 modulates cellular responses to a broad spectrum of kinase inhibitors.
Authors: Thorne Et al.
PLoS One 2015;11:58
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Amino acids regulate expression of antizyme-1 to modulate ornithine decarboxylase activity.
Authors: Ray Et al.
J Biol Chem 2012;287:3674
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Structure-activity analysis of niclosamide reveals potential role for cytoplasmic pH in control of mammalian target of rapamycin complex 1 (mTORC1) signaling.
Authors: Fonseca Et al.
J Biol Chem 2012;287:17530
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