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Hstcmag28spmx13

Manufactured by Merck Group
Sourced in United States

HSTCMAG28SPMX13 is a type of lab equipment used for magnetic separation. It is designed to separate magnetic particles from liquid samples, which can be useful in various laboratory applications.

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6 protocols using hstcmag28spmx13

1

Cytokine Secretion Assay for CAR T Cells

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CAR T cells were co-cultured with target cells at a 2:1 E:T ratio in a 24-well plate. NT T cells served as controls. After 24 hr, culture supernatants were harvested, and the presence of cytokines was determined by ELISA or Multiplex assay (HSTCMAG28SPMX13; EMD Millipore, Billerica, MA, USA).
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2

Cytokine Secretion Assay for CAR T Cells

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CAR T cells were cocultured with target cells at a 2:1 effector-to-target (E:T) ratio in a 24-well plate. Non-transduced T cells served as controls. After 24 hours, culture supernatants were harvested, and the presence of cytokines was determined by Multiplex assay (HSTCMAG28SPMX13, EMD Millipore).
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3

Cytokine Response in CD-PBMC Preconditioning

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CD-PBMCs from 3 CD patients (#70052; STEMCELL Technologies, Vancouver, Canada) were cultured in RPMI1640 medium containing 10% exosome-depleted fetal bovine serum (A2720803; Thermo Fisher Scientific) and 1% penicillin-streptomycin. Baseline characteristics are shown in Table 7. CD-PBMCs were preconditioned with 100 μg/mL stricturing CD or non-stricturing CDSE for 2 hours and then exposed to either 0.1% TFA or 1 μg/mL elafin for 6 hours. The cells were removed by centrifugation at 10,000g for 5 minutes at 4o C. The cell supernatants were collected for a 13-plex cytokine multiplex assay (HSTCMAG28SPMX13; Millipore Sigma, St Louis, MO).
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4

Protein Expression Analysis in 3D Constructs

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3D constructs were washed with 1 mL 1X PBS and then, using a spatula, were gently scraped off of the membrane and placed in a 2 mL tube containing a 6.35 mm metal ball, T-PER (ThermoScientific, Ref. #78510), and Calbiochem protease inhibitor cocktail set I (Millipore Sigma, Cat. #539131–1VL). Samples were then homogenized using a Qiagen TissueLyser LT at 50 oscillations/second for 30 s (x2). Following 30 min incubation at 4 °C, samples were centrifuged at 12,000 RPM for 15 min at 4 °C. Supernatants were collected and stored at − 80 °C until the time of the experiment. A bead-based multiplex assay for protein detection was used to quantify expression of GM-CSF, IFN-ɣ, IL-10, IL-13, IL-1β, IL-2, IL-4, IL-5, IL-6, IL-7, IL-8, IL-12 (p70), and TNF- a (MilliporeSigma, HSTCMAG28SPMX13). Data were graphed in GraphPad Prism 7 and statistics were determined using Welch’s t-test where p ≤ 0.05*, p ≤ 0.01**, p ≤ 0.001***, and p ≤ 0.0001****. Samples with values that were too low to be extrapolated from the standard curve were assigned a value of 0.01.
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5

Quantification of Fas-decoy and Effector Cytokines in T Cell Activation

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Transgenic Fas-decoy production was measured by Fas ELISA (R&D Systems, Minneapolis, MN, catalog no. DY326) according to manufacturer’s instructions. Briefly, supernatant samples harvested from T cells activated in 24-well non-TC plates coated with recombinant PSCA antigen (CUSABIO, Houston, TX, catalog no. CSB-YP018840HU) at indicated concentrations or irradiated K562-PSCA cells at indicated E:T. To measure the production of FD+15 fusion molecule, samples were used in soluble Fas and IL-15 ELISAs (R&D Systems, catalog no. DY247) to measure the two components separately. To measure the production of effector cytokines by T cells, supernatant harvested at 48 hrs post-activation by K562-PSCA tumor cells at an E:T of 1:1 (1×106 T cells and 1×106 tumor cells) was used to perform a 13-plex multiplex assay (Millipore Sigma, Danvers, MA, catalog no. HSTCMAG28SPMX13) according to manufacturer’s instructions.
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6

Protein Expression Analysis in 3D Constructs

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3D constructs were washed with 1 mL 1X PBS and then, using a spatula, were gently scraped off of the membrane and placed in a 2 mL tube containing a 6.35 mm metal ball, T-PER (ThermoScientific, Ref. #78510), and Calbiochem protease inhibitor cocktail set I (Millipore Sigma, Cat. #539131–1VL). Samples were then homogenized using a Qiagen TissueLyser LT at 50 oscillations/second for 30 s (x2). Following 30 min incubation at 4 °C, samples were centrifuged at 12,000 RPM for 15 min at 4 °C. Supernatants were collected and stored at − 80 °C until the time of the experiment. A bead-based multiplex assay for protein detection was used to quantify expression of GM-CSF, IFN-ɣ, IL-10, IL-13, IL-1β, IL-2, IL-4, IL-5, IL-6, IL-7, IL-8, IL-12 (p70), and TNF- a (MilliporeSigma, HSTCMAG28SPMX13). Data were graphed in GraphPad Prism 7 and statistics were determined using Welch’s t-test where p ≤ 0.05*, p ≤ 0.01**, p ≤ 0.001***, and p ≤ 0.0001****. Samples with values that were too low to be extrapolated from the standard curve were assigned a value of 0.01.
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