ionomycin

Ionomycin is a calcium ion carrier and an antibiotic that binds to calcium ions (Ca2+). The main function of Ionomycin is to induce cellular responses by increasing the intracellular calcium ion concentration. In experiments, Ionomycin is typically used to activate calcium-dependent processes, such as apoptosis and enzyme activity.

Ionomycin calcium (SQ23377 calcium) is an effective and selective calcium ionophore, demonstrating high specificity for divalent cations (Ca>Mg>Sr=Ba).

Cationomycin is effective against Gram-positive bacteria and mycobacteria, but it shows no activity against Gram-negative bacteria, yeast, or fungi. When added to feed at a concentration of 50 to 100 ppm, Cationomycin can effectively suppress coccidiosis in chickens.

KRM-III is an orally active T cell antigen receptor (TCR) inhibitor with anti-inflammatory activity that potently inhibits TCR and myristate acetate/fosfomycin/ionomycin-induced NFAT nuclear factor activation and T cell proliferation, with an IC50 of approximately 5 μM.

NKH477 (Colforsin dapropate hydrochloride) is a derivative of forskolin with antidepressant activity. It inhibits ACh-induced Ca2+ mobilization by acting on ionomycin-sensitive storage sites. NKH477 is an adenylyl cyclase activator with bronchodilatory effects, inhibiting the production of CTL, T-cell proliferation in mixed lymphocyte reactions (MLR), as well as IL-2 production and mitogen responses.

GSK147 is an inhibitor of PAD4 with a Kd value of 0.469 µM. It effectively suppresses ionomycin-induced protein citrullination in human neutrophils.

PAD-PF2 is an inhibitor of PAD4, exhibiting a Kd value of 2.82 µM. It effectively suppresses protein citrullination induced by Ionomycin in human neutrophils.

Gliovirin is a fungal metabolite that has been found inT. harzianumand has fungicidal, antimicrobial and anti-inflammatory activities.1It is active against the plant pathogenic fungusP. ultimum(MIC = 60 ng/ml) and the parasiteT. brucei brucei(IC50= 90 ng/ml), but has no effect on the plant pathogenic fungiR. solani,P. omnivorum,T. basicola,R. arrhizus, andV. dahliaeor the bacteriaB. thuringiensis,P. fluorescens, andX. malvacearumwhen used at concentrations up to 1,000 ng/ml.2,3Gliovirin decreases phorbol 12-myristate 13-acetate (TPA)- and ionomycin-induced increased expression of COX-2 (IC50= 1 μM) and protein levels of IL-2 in Jurkat cells (IC50= 5.2 μM).1 1.Rether, J., Serwe, A., Anke, T., et al.Inhibition of inducible tumor necrosis factor-α expression by the fungal epipolythiodiketopiperazine gliovirinBiol. Chem.388(6)627-637(2007) 2.Howell, C.R., and Stipanovic, R.D.Gliovirin, a new antibiotic from Gliocladium virens, and its role in the biological control of Pythium ultimumCan. J. Microbiol.29(3)321-324(1983) 3.Iwatsuki, M., Otoguro, K., Ishiyama, A., et al.In vitro antitrypanosomal activity of 12 low-molecular-weight antibiotics and observations of structure/activity relationshipsJ. Antibiot. (Tokyo)63(10)619-622(2010)

7β,27-dihydroxy Cholesterol is an oxysterol and agonist of retinoic acid receptor-related orphan receptor γ (RORγ) and RORγt. [1] It activates RORγ- or RORγt-dependent signaling with EC50 values of 691 and 1,045 nM, respectively, in reporter assays using HEK293T cells expressing the recombinant human receptors. 7β,27-dihydroxy Cholesterol is selective for RORγ and RORγt over a panel of eight additional nuclear receptors at 30 µM. It increases IL-17A production in Th17-polarized isolated human na ve CD4+ T cells when used at a concentration of 300 nM. 7β,27-dihydroxy Cholesterol (60 mg/kg) increases IL-17A production in isolated mouse γδ T cells stimulated with 12-myristate 13-acetate and ionomycin .

Orlistat-D3 is intended for use as an internal standard for the quantification of orlistat by GC- or LC-MS. Orlistat (T0686) is a digestive lipase inhibitor. It inhibits diacylglycerol lipase α (DAGLα), DAGLβ, α/β-hydrolase domain-containing protein 12 (ABHD12), ABHD16A, and platelet-activating factor acetylhydrolase (PAF-AH; IC50s = 0.06, 0.1, 0.08, 0.03, and 0.05 µM, respectively), as well as pancreatic lipase and hormone-sensitive lipase (IC50s = 0.65 and 2.1 µg/ml, respectively) but does not inhibit fatty acid amide hydrolase (FAAH) or KIAA1363 (IC50s = >100 µM for both). Orlistat (T0686) decreases ionomycin-induced production of the endocannabinoid 2-arachidonoyl glycerol (2-AG) in N18TG2 murine neuroblastoma cells when used at a concentration of 1 µM. It also inhibits fatty acid synthase (FASN; Kiapp = ~0.1 µM for the human enzyme) and the proliferation of PC3 prostate cancer cells in a concentration-dependent manner. Orlistat (T0686) (10 mg/kg) decreases serum cholesterol levels and total bod......

Bexin-1 is an inhibitor of Munc13-4 membrane binding which targets the Munc13-4 C2 domain-membrane interface, and inhibits ionomycin-stimulated ANF-EGFP secretion.