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μ slide 6 0.4 channel slides

Manufactured by Ibidi

The μ-Slide VI 0.4 channel slides are a specialized lab equipment designed for cell culture experiments. These slides feature six individual channels with a height of 0.4 mm, allowing for the efficient cultivation and observation of cells in a controlled environment.

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5 protocols using μ slide 6 0.4 channel slides

1

Live Cell Imaging of Hematopoietic Cells

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Time-lapse experiments were conducted at 37°C, 5% O2, 5%CO2 on μ-slide VI0.4 channel slides (IBIDI) coated with 20 μg/ml anti-human CD43-biotin antibody(51 (link)). BFP+ cells 3 day post-lentiviral transduction were sorted and cultured overnight in phenol-red free X-VIVO 10 (Lonza) medium supplemented with BSA (1%), L-glutamine, Pen/Strep, human LDL and the cytokine cocktail described above before imaging. Brightfield images were acquired every 15 minutes for 4 days using a Nikon-Ti Eclipse equipped with a Hamamatsu Orca Flash 4.0 camera and a 10x CFI Plan Apochromat λ objective (NA 0.45). Single-cell tracking and fate assignment were performed using self-written software as previously described(51 (link)). Time to division was calculated using R 3.6.1.
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2

Time-lapse imaging of VENUS and LysoBrite

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We performed time-lapse acquisition with YouScope (http://langmo.github.io/youscope/) on Nikon-Ti Eclipse microscopes as described previously12 (link) with yellow fluorescent protein (500/20; 515LP; 535/30) and Cy5 (620/60; 660LP; 700/75; all, AHF) filter cubes to detect VENUS and LysobriteNIR, respectively. PCNAVENUS experiments were imaged every 20 minutes and trackSeq experiments every 30 minutes with 20× (NA 0.75) and 10× (NA 0.45) CFI Plan Apochromat λ objectives, respectively. Cells were cultured in Iscove modified Dulbecco medium12 (link) containing 16.6 μM LysobriteNIR (22641, AAT Bioquest), at 37°C, 5% oxygen, 5% carbon dioxide in SensoPlate 24 Well Glass bottom plates (Greiner Bio-One) for trackSeq experiments or μ-slide VI0,4 channel slides (IBIDI), coated with 2.5 or 10 μg/mL anti–CD43-biotin (eBIoR2/R60; eBioscience)14 (link) in phosphate-buffered saline at room temperature for 1 hour. The trackSeq experiments were analyzed by self-written automated live event recognition in time-lapse data (alerT) software, and others were tracked as described previously.6,15,17 (link)
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3

Real-Time Imaging of CD8+ T Cell-Mediated Killing of Irradiated Tumor Cells

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Cancer cells were tagged with mCherry via lentivirus transfection (vector: pCDH-CMV-MCS-EF1α-Hygro, System Biosciences), followed by FACS to isolate the bright population. These cells were irradiated with 10 Gy IR, immediately seeded in μ-Slide VI 0.4 channel slides (ibidi), and returned to the incubator. Forty-eight hours later, CD8+ T cells isolated from WT or Ifnar1-KO MC38 tumors by FACS on day 4 after 10 Gy IR, labeled with CMAC dye (Thermo Fisher Scientific), were added to channel slides at an effector/tumor cell (E/T) ratio of 3:2. Cancer cells were evaluated by counting cells seeded in parallel plates to take account of their altered proliferation after IR. Culture media were supplemented with IL-2 (30 U/mL) and CellEvent Caspase-3/7 Green Detection Reagent (500 nM, Thermo Fisher Scientific). Subsequently, channel slides were imaged every 15 minutes for up to 16 hours using a Nikon ECLIPSE Ti-E Inverted Microscope. During the whole course of imaging, chamber slides were maintained at 37°C with 5% CO2. The imaging data were transferred to an Imaris station for analysis (Bitplane). The percentage of caspase-3/7+ tumor cells was calculated using the following formula: number of tumor cells becoming caspase-3/7+ following interaction with CD8+ T cells/number of tumor cells interacted with CD8+ T cells × 100.
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4

Cytoplasmic and Nuclear GEM Imaging

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For cytoplasmic 40 nm GEMs, PfV encapsulin-mSapphire was expressed in fission yeast cells carrying the multicopy thiamine-regulated plasmid pREP41X-PfV-mSapphire. For nuclear 40 nm GEMs, NLS-PfV-mSapphire was inserted pREP41X. The expression of these constructs was under the control of the thiamine repressible nmt41 promoter (Maundrell 1990) . Cells were grown using a protocol that produced appropriate, reproducible expression levels of the GEMs: cells carrying these plasmids were grown from a frozen stock on EMM3S -LEU plates without thiamine for 2-3 days at 30 °C and stored at room temperature for 1-2 days to induce expression. They were then inoculated in liquid EMM3S -LEU with 0.1 μg/mL of thiamine (#T4625-25G, Sigma Aldrich) for partial repression of the nmt41 promoter and grown for one day at 30 °C to exponential phase. Cells were immobilized in lectin-treated μ-Slide VI 0.4 channel slides (#80606, Ibidi) and imaged in fields of 250×250 pixels or smaller using HILO TIRF illumination at 100 Hz for 10 s.
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5

Time-lapse Imaging of Hematopoietic Cells

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Time-lapse experiments were conducted at 37 o C, 5% O 2 , 5%CO 2 on μ-slide VI 0.4 channel slides (IBIDI) coated with 20 μg/ml anti-human CD43-biotin antibody (37) . BFP + cells were sorted 3 days post-lentiviral transduction and cultured overnight in phenol red free IMDM supplemented with 20% BIT (Stemcell Technologies), 100 ng/mL human recombinant Stem Cell Factor (SCF), 50 ng/mL human recombinant Thrombopoietin (TPO), 100 ng/mL human Fms-related tyrosine kinase 3 ligand (Flt3L, all R&D Systems), 2 mM L-GlutaMAX (Gibco), 100 U/mL penicillin and 100 µg/mL Streptomycin (Gibco) before imaging. Brightfield images were acquired every 8 minutes for 3-4 days using a Nikon-Ti Eclipse equipped with a Hamamatsu Orca Flash 4.0 camera and a 10x CFI Plan Apochromat λ objective (NA 0.45). Single-cell tracking and fate assignment were performed using self-written software as previously described (11, 35, 36) . Time to division was calculated using R 3.5.3.
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