Secreted phospholipase A2 (sPLA2) isoforms are low molecular weight, millimolar calcium-dependent enzymes that hydrolyze the fatty acid from the sn-2 position of membrane phospholipids.{18627} Group IIA sPLA2, also known as sPLA2IIA and non-pancreatic sPLA2, has roles in the regulation of eicosanoid synthesis and may modulate inflammatory signaling.{18627,10619} LY311727 is an inhibitor of Group IIA sPLA2 (IC50 = 0.47 µM) that interacts with the active site of the enzyme in a non-covalent manner.{10619,29121} It shows greater than 1,500-fold selectivity over pancreatic sPLA2 (Group IB sPLA2).{29121} LY311727 is commonly used to distinguish the actions of Group IIA sPLA2 from those of other sPLA2 isoforms in biological systems.{4458,7824,9354,8035}
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An inhibitor of Group IIA sPLA2 (IC50 = 0.47 µM) that interacts with the active site of the enzyme in a non-covalent manner
Formal name: P-[3-[[3-(2-amino-2-oxoethyl)-2-ethyl-1-(phenylmethyl)-1H-indol-5-yl]oxy]propyl]-phosphonic acid
Synonyms:
Molecular weight: 430.4
CAS: 164083-84-5
Purity: ≥95%
Formulation: A crystalline solid
Product Type|Biochemicals|Small Molecule Inhibitors|Phospholipases||Research Area|Lipid Biochemistry|Glycerophospholipids|Phospholipases
The nuclear factor-κB (NF-κB) regulates the expression of numerous genes involved in immunity and inflammation, cellular stress responses, growth, and apoptosis. Resveratrol, a polyphenolic trans-stilbene, is a known inhibitor of the activation of NF-κB and exhibits activity against a wide variety of cancer cells. CAY10512 is a substituted trans-stilbene analog of resveratrol that is 100-fold more potent as measured by antioxidant activity. The IC50 value for inhibition of TNFα-induced activation of NF-κB by CAY10512 is 0.15 µM compared to 20 µM by resveratrol.{14545}
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The maintenance of embryonic stem cells in culture typically requires feeder cells and various exogenous factors found in serum. Murine embryonic stem (mES) cells can be maintained in the absence of feeder cells and serum but require the leukemia inhibitor factor (LIF) and bone morphogenic protein (BMP) to prevent differentiation and promote self-renewal. SC-1 is a small molecule activator of stem cell renewal that allows the propagation of OG2 mES cells for at least 10 passages in an undifferentiated state.{14533} The activity of SC-1 is mediated by the combined inhibition of RasGAP and ERK1 with Kd values of 98 and 212 nM, respectively.{14533} Inhibition of RasGAP increases Ras signaling via the PI3-kinase pathway which promotes self-renewal, whereas inhibition of ERK blocks differentiation.
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The PtdIn phosphates play an important role in the generation and transduction of intracellular signals.{8344,4096,14518} PtdIns-(3,4,5)-P3-biotin is an affinity probe which allows the PIP3 to be detected through an interaction with the biotin ligand. This design allows PtdIns-(3,4,5)-P3-biotin to serve as a general probe for any protein with a high affinity binding interaction with inositol-(3,4,5)-triphosphate phospholipids, such as phosphatidylinositol 3-kinase, PTEN, or PH-domain-containing proteins.
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The tetracycline repressor (TetR) is a transcriptional regulator which normally binds tightly to its palindromic tetO operator DNA, blocking gene expression.{17508} Tet causes the repressor to dissociate from the DNA, allowing transcription to occur. A novel reverse TetR (revTetR) requires tetracycline as a co-repressor to bind tetO and block transcription.{17509,17510} Anhydrotetracycline (hydrochloride) is a powerful effector in both the tetracycline repressor (TetR) and reverse TetR (revTetR) systems, binding the Tet repressor 35-fold more strongly than Tet.{17508,17511} Moreover, anhydrotetracycline poorly binds the 30S ribosomal subunit, compared to Tet,{17512} so it does not act as a general inhibitor of translation and is a poor antibiotic. Perhaps related to this, the concentration of anhydrotetracycline that inhibits eukaryotic cell growth is more than a 1,000-fold above the dose that alters transcription through TetR.{17508}
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