mononuclear cell

MG-T-19, a TIM-3 inhibitor (KD=0.26 μM), significantly inhibited the interaction of TIM-3 with PtdSer, CEACAM1, and Gal-9, and increased the production of TNF-α and IFN-γ in PBMCs, which reactivated the tumor-attacking ability of T cells.

Rufloxacin hydrochloride (MF-934 hydrochloride) is a fluoroquinolone antibacterial that inhibits topoisomerase and B-cell differentiation in human mononuclear cells.

Apoptosisinducer 26 (compound [AgCl(dap2SH)(PPh3)2]) is a mononuclear Ag(I) ligand-based autophagy inducer that exhibits antibacterial and anticancer activities against various bacterial strains and cancer cell lines. This compound facilitates the accumulation of Ag(I) ions in the periphery of bacteria, effectively inhibiting the growth of both Gram-positive (+) and Gram-negative (-) bacteria. Additionally, Apoptosisinducer 26 can intercalate between the base pairs of CT DNA, inducing apoptosis in A549 cells. It also possesses radical scavenging properties, which helps prevent oxidative stress.

4 -C18 EGCG is an effective inhibitor of α-amylase and α-glucosidase, with IC50 values of 3.74 μM and 0.81 μM respectively. It inhibits carbohydrate-hydrolyzing enzymes, reducing oxidative stress and inflammation, and demonstrates anti-diabetic activity. Additionally, 4 -C18 EGCG downregulates pro-inflammatory cytokines and exhibits cytotoxicity at 50 μM in primary human peripheral blood mononuclear cells (PBMC), and non-cancerous cell lines 3T3-L1 and HEK 293.

4''-C18 EGCG is an effective inhibitor of α-amylase and α-glucosidase, with IC50 values of 3.74 and 0.81 μM, respectively. This compound suppresses carbohydrate-hydrolyzing enzymes, reduces oxidative stress and inflammation, and exhibits anti-diabetic activity. Moreover, 4''-C18 EGCG downregulates pro-inflammatory cytokines and demonstrates cytotoxicity at 50 μM against primary human peripheral blood mononuclear cells (PBMC), as well as non-cancerous cell lines 3T3-L1 and HEK 293.

Myelin Basic Protein (87-99) Acetate (Myelin Basic Protein (87-99) Acetate (118506-26-6 Free base)) is an encephalitogenic peptide that induces basic protein-specific T cell proliferation. Myelin Basic Protein (87-99) Acetate causes a Th1 polarization in peripheral blood mononuclear cells, which is implicated in multiple sclerosis (MS).

5J-4 is a potent a blocker of calcium release-activated calcium (CRAC) channel and store-operated calcium entry (SOCE). 5J-4 reduces the production of IL-17 and decreases the expression of RORα and RORγt.

I-XW-053 sodium inhibits the replication of a diverse panel of primary HIV-1 isolates in Peripheral blood mononuclear cell with no appreciable cytotoxicity.

(S)-p38 MAPK inhibitor III is a methylsulfanylimidazole that inhibits p38 MAP kinase (IC50 = 0.90 μM in vitro). It is cell-permeable, potently blocking the release of TNF-α and IL-1β from human peripheral blood mononuclear cells (IC50s = 0.37 and 0.044 μM, respectively).

High affinity and selective cell-permeable p300/CBP-associated factor (PCAF) inhibitor (Ki = 47 nM). Exhibits no significant activity against a panel of 48 other bromodomains except GCN5 (Kd = 600 nM). Exhibits >4500-fold selectivity for PCAF over BRD4. Also exhibits metabolic stability in mouse and human liver microsomes and no observable cytotoxicity in peripheral blood mononuclear cells (PBMC). Moustakim et al (2017) Discovery of a PCAF bromodomain chemical probe. Angew.Chem.Int.Ed. 56 827 PMID:27966810

Boromycin is a boron-containing macrolide antibiotic that has been found in Streptomyces. Boromycin inhibits growth of B. subtilis (MIC = 0.05 μg/ml) and induces efflux of potassium ions from B. subtilis without affecting Na+/K+-ATPase activity. It decreases the synthesis of protein, RNA, and DNA in B. subtilis when used at a concentration of 0.05 μg/ml. It inhibits the growth of B. halodurans (MIC = 10 ng/ml) and inhibits the futalosine pathway of menaquinone synthesis in B. halodurans. Boromycin (3.4 nM) reverses bleomycin-induced cell cycle arrest at the G2 phase in Jurkat cells. It inhibits replication of the HIV-1 strains LAV-1 and RF and the HIV-2 strain LAV-2 in MT-4 cells (IC50s = 0.008, 0.11, and 0.007 μM, respectively). It also inhibits replication of a clinical isolate of HIV-1, strain KK-1, in MT-4 cells and peripheral blood mononuclear cells (PBMCs; IC50s = 0.14 and <0.1 μM, respectively).

Ganglioside GT1b is a trisialoganglioside that is characterized by having two sialic residues linked to the inner galactose unit. It binds to the neurotoxins botulinum toxin serotype A (BTxA), BTxA heavy chain, and tetanus toxin with IC50 values of 11, 0.74, and 7.2 μM, respectively.[1] Ganglioside GT1b-containing liposomes bind to the major coat protein VP1 from Merkel cell polyomavirus (MCPyV), which has been identified in Merkel cell carcinomas, identifying ganglioside GT1b as a putative MCPyV receptor. [2] Ganglioside GT1b decreases production of IL-6, IL-10, IgG, IgM, and IgA in human peripheral blood mononuclear cells (PBMCs) by 31.4, 30.5, 60, 59.5, and 58%, respectively, when used at a concentration of 10 μM [3] . Ganglioside GT1b mixture contains ganglioside GT1b molecular species with C18:1 and C20:1 sphingoid backbones.

BLX3887 is an inhibitor of 15-lipoxygenase type 1 (15-LO-1; IC50 = 32 nM in a cell-free enzyme assay).1 It is selective for 15-LO-1 over 15-LO-2, which it does not inhibit, 5-LO (IC50 = 472 nM), and 12-LO (IC50 = 3,310 nM). BLX3887 inhibits the production of 15-LO metabolites selectively in eosinophils over neutrophils when used at a concentration of 10 μM. It also inhibits endocytosis in, and the migration of, isolated human peripheral blood mononuclear cell-derived dendritic cells in vitro. |1. Archambault, A.-S., Turcotte, C., Martin, C., et al. Comparison of eight 15-lipoxygenase (LO) inhibitors on the biosynthesis of 15-LO metabolites by human neutrophils and eosinophils. PLoS One 13(8), e0202424 (2018).

Dichloroacetate (DCA) is an inhibitor of all pyruvate dehydrogenase kinase (PDHK) isoforms, which are enzymes that phosphorylate and inhibit PDH in mitochondria. Inhibition of PDHK shifts cell metabolism from glycolysis to mitochondrial glucose oxidation, an effect that has relevance to cancer, type 2 diabetes, and other diseases. CAY10703 is a DCA trimer that is at least 10-fold more cytotoxic against leukemia cell lines than DCA. It is approximately 3-fold less cytotoxic than DCA against peripheral blood mononuclear cells from healthy blood donors. CAY10703 significantly reduces both basal and maximal respiration in leukemia cells. It is stable in vivo after subcutaneous inoculation, remaining in circulation for more than five hours after injection.

p38 MAPK inhibitor (IC50 = 0.38 μM). Inhibits the release of IL-1β and TNF-α in a peripheral blood mononuclear cell (PBMC) assay (IC50 values are 0.039 and 0.16 μM respectively). Laufer et al (2003) Novel substituted pyridinyl imidazoles as potent anticytokine agents with low activity against hepatic cytochrome P450 enzymes. J.Med.Chem. 46 3230 PMID:12852754 |Kammerer et al (2007) Pharmacokinetics of ML3403 ({4-[5-(4-fluorophenyl)-2-methylsulfanyl-3H-imidazol-4-yl]-pyridin-2-yl}-(1-phenylethyl)-amine), a 4-pyridinylimidazole-type p38 mitogen-activated protein kinase inhibitor. Drug Metab.Dispos. 35 875 PMID:17344341

BMSpep-57, a potent macrocyclic peptide inhibitor, competitively disrupts the PD-1 PD-L1 interaction, demonstrating a significant inhibitory concentration (IC50) of 7.68 nM. It exhibits binding affinity towards PD-L1 with dissociation constants (Kd) of 19 nM and 19.88 nM in MicroScale Thermophoresis (MST) and Surface Plasmon Resonance (SPR) assays, respectively. This compound enhances T cell functionality by promoting Interleukin-2 (IL-2) production within Peripheral Blood Mononuclear Cells (PBMCs).

HPK1-IN-3 is a selective, potent, ATP-competitive inhibitor of hematopoietic progenitor cell kinase 1 (HPK1; MAP4K1) (IC50: 0.25 nM). HPK1-IN-3 has IL-2 cellular potency and is able to act on human peripheral blood mononuclear cells (PBMC) with an EC50 value of 108 nM.

KRH-1636 is an orally active, selective and extremely potent CXC chemokine receptor 4 antagonist. KRH-1636 exhibits a potent and selective anti-HIV-1 activity. KRH-1636 efficiently blocked replication of various T cell line-tropic (X4) HIV type 1 (HIV-1) in MT-4 cells and peripheral blood mononuclear cells through the inhibition of viral entry and membrane fusion via the CXC chemokine receptor (CXCR)4 coreceptor but not via CC chemokine receptor 5. KRH-1636 also inhibits binding of the CXC chemokine, stromal cell-derived factor 1alpha, to CXCR4 specifically and subsequent signal transduction. KRH-1636 prevented monoclonal antibodies from binding to CXCR4 without down-modulation of the coreceptor. KRH-1636 seems to be a promising agent for the treatment of HIV-1 infection.

PROTAC IRAK4 Degrader-2 (Compound 9) is a PROTAC-based degrader that potently reduces IRAK4 levels, achieving a DC50 of 151 nM in peripheral blood mononuclear cells (PBMCs). It also notably decreases IRAK4 protein levels with a DC50 of 36 nM in the same cell type and inhibits several cytokines in PBMCs [1].

ICeD-2, an inducer of cell death, effectively induces the killing of HIV-1 infected cells, a process reliant on HIV-1 protease activity. It significantly inhibits the hydrolysis of Gly-Pro-AMC by dipeptidyl peptidases DPP8 and DPP9, and robustly stabilizes DPP9 in peripheral blood mononuclear cells (PBMCs) [1].

Myelin Basic Protein (87-99) TFA, an encephalitogenic peptide, promotes basic protein-specific T cell proliferation and induces Th1 polarization in peripheral blood mononuclear cells, contributing to the pathogenesis of multiple sclerosis (MS) [1] [2].

FB49 is a selective Bcl-2-associated athanogene 3 (BAG3) inhibitor with a Ki of 45 μM. It inhibits the proliferation of human tumoral cells without affecting the viability of human peripheral mononuclear cells. Additionally, FB49 arrests the cell cycle at the G1 phase and induces apoptosis and autophagy in treated medulloblastoma HD-MB03 cells [1].

SDF-1α (human) serves as a chemotactic agent for mononuclear cells through its interaction with the CXCR4 receptor, facilitating critical biological processes such as stem cell homing, retention, survival, and proliferation, in addition to cardiomyocyte repair, angiogenesis, and ventricular remodeling post-myocardial infarction. It holds significant utility in cardiovascular disease research [1] [2].

Toxic Shock Syndrome Toxin-1 (TSST-1) (58-78) serves as a T cell proliferation activator by promoting the dose-dependent in vitro proliferation of human peripheral blood mononuclear cells (PBMC) and is used in research on inflammation, immunity, and cancer [1].