An internal standard for the quantification of DHA by GC- or LC-MS.

A selective EP1 antagonist that inhibits PGE2 signaling in a guinea pig ileum muscle strip assay (pA2 = 8.1); demonstrates analgesic activity in a mouse writhing assay (ED50 = 0.9 mg/kg); potentiates the vasorelaxation of human pulmonary vein induced by PGE2 (EC50 = 7.75 µM).

A polysaccharide made of α-D-glucose units that constitutes about 20% of starch; acts as an indicator, turning blue in the presence of iodine, and has also been coupled to magnetic beads for the isolation and purification of maltose-binding protein fusion proteins.

A mycotoxin produced in food and animal feeds; activates estrogen receptors, alters hormone levels, and hasten pre-pubertal development; can cause uterine, rectal, and vaginal prolapse, abortion, and infertility in older animals.

A potent inhibitor of the TGF-β receptor 1 (TGF-β R1, ALK5) kinase (IC₅₀ = 14.36 nM); blocks TGF-β1-induced phosphorylation and nuclear translocation of SMAD2/3 as well as TGF-β1-directed gene expression; effective in vivo, preventing the development of fibrosis in animals.

2-n-Butylthiophene is a sulfur analog of furan originally found in cooked meat products. 2-n-Butylthiophene is a phase II enzyme inducer that exhibits antioxidative and chemopreventive activities. This compound increases levels of glutathione and glutathione-S-transferase, preventing…

A competitive inhibitor of human lysosomal β-glucosidase (Ki = 0.016-0.025 µM; IC₅₀ = 0.06 µM) that interacts with the catalytic pocket of β-glucosidase, acting as a chemical chaperone that stabilizes and/or promotes the folding of the enzyme; increases lysosomal…

Cefoperazone is a third generation β-lactam cephalosporin antibiotic. Cefoperazone exhibits antibacterial efficacy against gram positive and gram negative bacteria, inhibiting penicillin binding proteins to prevent peptidoglycan synthesis and bacterial cell wall formation. Cefoperazone also…

CAS Number: 745046-84-8 Synonyms: Ivachtin Molecular Formula: C₂₀H₂₁N₃O₇S

An inhibitor of class III receptor tyrosine kinases (IC₅₀s = 0.3 µM for c-Fms, c-Kit, ITD-FLT3 and 1 µM for PDGFRβ); blocks the proliferation of leukemia cells stimulated with FLT3 ligand by preventing the activation of STAT5.

A cytotoxic compound that at 1 µM activates aryl hydrocarbon receptor signaling, inducing transcription of cytochrome P450 1A1, which leads to the formation of DNA adducts and cell cycle arrest; can increase the levels of ROS as well as activate JNK, ERK, and p38MAPK in certain ovarian,…

An EpEDE acid formed from DGLA, either by a strong oxidizing agent or by cytochrome P450 epoxygenases; biological properties are poorly understood.

A FAHFA consisting of palmitoleic acid esterified at the 9-position of hydroxy stearic acid; significantly elevated in serum of glucose tolerant AG4OX mice; may be a bioactive lipid with roles in metabolic syndrome and inflammation.

Aflatoxins are mycotoxins found in foods and livestock feeds that were initially produced by species of Aspergillus. Aflatoxin B2 is cytotoxic; it inhibits DNA synthesis and induces cell cycle arrest.

A β1-selective adrenoceptor antagonist well known for its cardioprotective and antihypertensive activity; often used to examine the activity of the drug-transporting MDR1 gene product P-glycoprotein.

CAS Number: 883986-34-3 Molecular Formula: C₂₄H₂₅N₅O₄ Formula Weight: 447.5

A sesterterpenoid fungal phytotoxin that binds and irreversibly antagonizes calmodulin, blocking the activation of calmodulin-dependent phosphodiesterase with an IC₅₀ value of 9 μM.

Selective inhibitor of IDH1 R132H and R132C mutants in vitro (IC₅₀s = 0.07 and 0.16 µM, respectively) but not wild-type IDH1, wild-type IDH2, or IDH2 mutants (IC₅₀s > 100 μM); anti-tumor efficacy in vitro and in vivo; induces demethylation of histone H3K9me3 and…

An allosteric, reversible inhibitor of PAR1 on platelets, preventing surface expression of P-selectin induced by the peptide SFLLRN with an IC₅₀ value of 0.26 µM; also blocks platelet activation induced by thrombin but not by PMA, U-46619, or collagen.

An inactive analog of U-73122; can be used as a negative control.

Inhibits several isoforms of protein kinase C (PKC; IC₅₀ = 7, 7, 6, 10, 60, and 20,000 nM for PKCα, PKCβ, PKCγ, PKCδ, PKCζ, and PKCμ, respectively); provides cardioprotective effects in myocardial ischemia/reperfusion.

NVP-TAE226 is an inhibitor of focal adhesion kinase (FAK; IC₅₀ = 5.5 nM) and the related proline-rich tyrosine kinase 2-β (PYK2β; IC₅₀ = 5 nM). It can also inhibit the insulin-like growth factor 1 receptor (IC₅₀ = 0.16 µM) as well as the activity of…

A stable, cell-permeable dye employed to assay cell proliferation as it is partitioned with high fidelity between daughter cells for up to eight generational divisions.

A metabolite of estradiol 3-sulfate that has been modified by a UDP-glucuronosyltransferase; enhances utilization by anion transporters, most commonly leading to excretion in urine and bile.

A fluoroquinolone antibiotic widely used as an antimicrobial and immunomodulatory agent; functions by inhibiting DNA A fluoroquinolone antibiotic widely used as an antimicrobial and immunomodulatory agent; functions by inhibiting DNA gyrase (a type II topoisomerase) and topoisomerase IV, the…

A long-acting muscarinic receptor antagonist that binds equally to human muscarinic M1, M2, and M3 receptors (Kds = 0.04, 0.02, and 0.01 nM, respectively); dissociates slowly from M1 and M3 receptors, which are located on bronchial smooth muscle and submucosal glands, and more rapidly from M2…

An activator of sGC that binds to a regulatory site, resulting in activation in an NO-independent manner (Kd = 3.2 nM); reduces hypertension, limits cardiomyocyte hypertrophy, protects against ischemia/reperfusion injury, and reduces morbidity and mortality in response to endotoxic shock.

A potent TRPV1 antagonist that inhibits capsaicin-induced and acid-induced activation of rat TRPV1 with IC50 values of 35 and 6 nM, respectively.

11-trans LTD4 is a C-11 double bond isomer of LTD4. LTD4 undergoes slow temperature-dependent isomerization to 11-trans LTD4 during storage. 11-trans LTD4 retains about 10-25 % of the potency for contraction of guinea pig ileum, trachea and parenchyma compared to LTD4. It exhibits an ED50 ranging…

A colchicine derivative that inhibits tubulin polymerization (IC₅₀ = 2.1 μM) with low toxicity; suppresses microtubule dynamicity, inhibits cell migration, blocks microtubule assembly, and arrests cells in metaphase; used to synchronize cells and for karyotyping in cytogenetic studies.

An Hsp90 inhibitor with an IC₅₀ value of 47 nM; induces the expression of HSP27 and Hsp72 while reducing the client proteins c-Raf, B-Raf, survivin, and PRMT5, causing cell cycle arrest and apoptosis.

An endogenous, maturation-inducing steroid that at 1 µg/ml induces germinal vesicle breakdown in oocytes from several teleost species; can also influence spermiation by stimulating milt production when administered at 5 mg/kg to various male teleosts.