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9 protocols using hami3379

1

Leukotrienes Signaling Pathway Modulation

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Leukotrienes (LTC4, LTD4 and LTE4), Montelukast, MK-571, HAMI3379, U-0126, GW9662, T0070907 (all Cayman Chemical), EDTA (Ambion), BAPTA-AM, Pertussis Toxin, Calcium ionophore (A23187), (all Sigma-Aldrich) were obtained from the manufacturers.
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2

Preparation of Drug Stock Solutions

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Quininib, 1,4-dihydroxy quininib, montelukast (Sigma-Aldrich, St. Louis, MO, USA #SML0101), HAMI 3379 (Cayman Chemical, Ann Arbor, MI, USA #10580) and erastin (Sigma-Aldrich; St. Louis, MO, USA #E7781) were dissolved in 100% DMSO and stored as (10–50 mM) stock solutions. Working solutions (100 μM) were prepared fresh prior to each experiment in complete cell culture medium as described above. Drugs were made to final test concentrations by adding the required volume of the working solution to cells in complete media. 0.5% DMSO was used as a control for all other drug treatment experiments.
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3

Serotype III Pneumococcus Infection Model

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Pranlukast (purity 99.89%) and HAMI 3379 (purity 98%) were purchased from Cayman Chemical Company. Cresyl violet was purchased from Sigma-Aldrich; Merck KGaA. All other reagents used in the experiment were of analytical grade.
The Chinese Institute for the Control of Pharmaceutical and Biological Products (Beijing, China) provided the SP serotype III standard strain. The bacteria were cultured overnight at 37˚C on sheep blood agar plates under anaerobic conditions (H2 and CO2; 95:5, v/v). Then, selected single colonies were cultured overnight to logarithmic phase in broth at 37˚C and harvested by centrifugation at 2,500 x g for 10 min at 4˚C. Bacteria suspension was adjusted to 107 colony forming units (CFU)/ml with sterile saline for intracisternal injection.
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4

Osteotropic Metastatic Breast Cancer Cell Lines

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Two osteotropic metastatic human breast cancer cell lines were used in this study: MDA-MB-231/B02 (MDA-B02) and a subclone expressing the three markers GFP, luciferase, and a beta-galactosidase referred to as MDA-B02-Luc for simplification and which was described previously [46 (link)], as well as their parental breast cancer cell line MDA-MB-231 (MDA-231) and the murine 4T1 breast cancer cells obtained from the American Type Culture Collection (ATCC®). The 4T1 cells derive from a BALB/c spontaneous mammary carcinoma and are naturally resistant to 6-thioguanine [47 (link)]. They were maintained in Dulbecco’s Modified Eagle Medium supplemented with 10% fetal bovine serum (FBS) and 1% penicillin/streptomycin. Zafirlukast and montelukast, the CysLT1R antagonists, everolimus, the mTORC1 inhibitor, and clopidogrel, the P2Y12 inhibitor, were purchased from Sigma. HAMI3379, the CysLT2R antagonist, and MK-886, the FLAP inhibitor, were from Cayman. LTD4 was from Bertin.
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5

Pharmacological Compound Preparation and Handling

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Quininib (Q1), 1,4-dihydroxy quininib (Q7) (30 (link), 34 (link)), montelukast (Sigma #SML0101), HAMI 3379 (Cayman Chemical #10580), and dacarbazine (Sigma #D2390) were dissolved in 100% DMSO and stored as (10–50 mM) stock solutions. Working solutions (100 μM) were prepared fresh prior to each experiment in complete cell culture medium as described above. Drugs were made to final test concentrations by adding the required volume of the working solution to cells in complete media. 0.5% DMSO was used as vehicle control.
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6

IL-33 and LTC4 Modulate Mast Cell Gene Expression

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Laboratory of Allergic Disease-2 (LAD2) mast cells [19 (link)] were treated with human IL-33 and/or LTC4 for 4 h and in some conditions, a cysteinyl leukotriene (CysLT)1 receptor antagonist (LT1RA) MK571 (5 μM) and/or a CysLT2 receptor antagonist (LT2RA) HAMI3379 (5 μM) (Cayman Chemical, Ann Arbor, MI, USA) were added before treatment. TaqMan-based PCR analysis quantified the expression of IL13, CMA1, TPSAB1 and CPA3 genes relative to the endogenous control gene.
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7

HMGB1 and Leukotriene Pathway Modulators

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Recombinant human HMGB1 antibody was purchased from R&D System Inc. (Minneapolis, MN, USA). Zileuton (( ±)-N-hydroxy-N-(1-benzo[b]thien-2-ylethyl)urea) was purchased from Sigma-Aldrich Inc. (St. Louis, MO, USA). The MCP-1 antibody was purchased from Invitrogen (Carlsbad, CA, USA) and BLTR1 antibody was purchased from Biorbyt (Cambridge, UK). 5-LO and β-actin antibodies were purchased from Santa Cruz Biotechnology Inc. (Beverly, MA, USA). LTB4, LTC4, BLTR1 inhibitor (U75302), BLTR2 inhibitor (LY255283), LTC4 receptor (CysLTR) 1 inhibitor (Montelukast) and CysLTR2 inhibitor (HAMI3379) were purchased from Cayman Chemical Inc. (Ann Arbor, MI, USA). Horseradish peroxidase (HRP)-conjugated IgG antibody (Santa Cruz Biotechnology Inc.) was used as secondary antibody.
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8

Evaluating Small Molecule Anticancer Drugs

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Quininib (Q1), 1,4-dihydroxy quininib (Q7) [32 (link),33 (link)], montelukast (Mon) (Sigma-Aldrich, St. Louis, MO, USA #SML0101), HAMI 3379 (Cayman Chemical, Ann Arbor, MI, USA #10580) and dacarbazine (Sigma-Aldrich, St. Louis, MO, USA #D2390) were dissolved in 100% DMSO and stored as (10–50 mM) stock solutions. Working solutions (100 μM) were prepared fresh prior to each experiment in complete cell culture medium as described above. Drugs were made to final test concentrations by adding the required volume of the working solution to cells in complete media.0.1% and 0.2% DMSO were used as controls in Seahorse Assay experiments.0.5% DMSO was used as a control for all other drug treatment experiments.
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9

Murine Allergic Inflammation Assay

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Extract from Dermatophagoides farinae (Df) was obtained from Greer Laboratories (XPB81D3A25; Lenoir, NC). Ovalbumin (OVA) and PBS were obtained from Sigma-Aldrich (St Louis, Mo). The mMCP-1 EIA kit was purchased from eBiosciences (San Diego, Calif). LTA4, LTC4, LTD4, LTE4, MK571, and HAMI3379 were obtained from Cayman Chemical (Ann Arbor, Mich). Histamine, thromboxane receptor B2, PGD2, and cysLT EIA kits were obtained from Cayman. IL-4, IL-5, IL-13, ICAM-1, and VCAM-1 EIA kits were from R&D Systems (Minneapolis, Minn). The CXCL7 EIA kit was purchased from Abcam (Cambridge, Mass). The HMGB1 EIA kit was from LifeSpan (Providence, RI). The monoclonal goat anti-mouse IL-33 was purchased from R&D Systems (Minneapolis, Minn), and the rat anti-mouse IgG (H1L) secondary antibody, fluorescein isothiocyanate (FITC) anti-mouse CD11c, FITC anti-mouse/human CD11b, FITC anti-mouse IgE, FITC anti-mouse CD3ε, FITC anti-mouse CD19, FITC anti-mouse CD8a, FITC anti-mouse NK-1.1, FITC anti-mouse Ly-6G/Ly-6C (Gr-1), allophycocyanin (APC) anti-mouse CD45, APC/cyanine 7 (Cy7) anti-mouse/human CD44, PerCP/Cy5.5 anti-mouse CD90.2, phycoerythrin (PE) anti-mouse CD278 (inducible costimulatory molecule), APC anti-mouse CD41, PE/Cy7 anti-mouse CD62P, APC anti-human CD61, anti-mouse CD16/32, PE/Cy7 anti-mouse CD45, and PE anti-mouse Siglec F were all obtained from BioLegend (San Diego, Calif).
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