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C2 confocal fluorescence microscope

Manufactured by Nikon

The Nikon C2 is a confocal fluorescence microscope designed for high-resolution imaging and analysis of samples. It features a laser-scanning system that allows for the capture of detailed, optical sections of specimens. The C2 is capable of acquiring images with a high signal-to-noise ratio and minimal background interference, making it a versatile tool for a wide range of applications in research and scientific fields.

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4 protocols using c2 confocal fluorescence microscope

1

Fluoro-Jade C Staining of Mouse Brain Tissue

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4-month-old mouse brain tissues were first embedded in paraffin, and then trimmed and cut into 5 μm thickness sections before being mounted on SuperFrost microscope slides (Thermo Fisher Scientific, NH, USA). Afterward, tissue sections were deparaffinized and rehydrated under a gradient xylene-ethanol procedure. First, slides were immersed in 1% NaOH diluted in 80% ethanol for 2 min, then rinsed in 70% ethanol for 2 min, followed by distilled water-rinsing for another 2 min. After the rinse, the slides were incubated in 0.06% potassium permanganate for 10 min. Following another 2-min rinse in water, slides were then transferred into a solution containing 0.0001% Fluoro-Jade C in 0.1% acetic acid and then incubated for another 10 min. After washing three times with water (2 min per wash), slides were dried in an incubator at 50°C for 30 min, then coverslipped with DPX mounting medium (Sigma-Aldrich, MO, USA) after being cleared in xylene. Signals were visualized using a Nikon C2 confocal fluorescence microscope.
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2

Immunofluorescence Localization of IKAROS

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Cytospins of mouse pre-B cells and cryopreserved Epstein-Barr virus (EBV)-transformed lymphocytes from members of the index family, were fixed with 4% paraformaldehyde and washed with phosphate-buffered saline (PBS), followed by a 30 min incubation in a blocking/permeabilization solution of 10% normal goat serum (NGS)/0.1% Triton-X 100/PBS, and then incubated for 1 hr with primary anti-IKAROS antibody (H-100, Santa Cruz Biotechnology, Santa Cruz, CA) diluted in 3% NGS/0.1% Triton-X 100/PBS. Slides were washed three times in PBS, and then incubated for 45 min in 3% NGS/0.1% Triton-X 100/PBS containing a secondary antibody conjugated to Ig-Alexa Fluor 488 (Invitrogen, Carlsbad, CA). Slides were washed three times in PBS and mounted with Vectashield (Vector Labs, Burlingame, CA) containing 4′-6-diamidino-2-phenylindol (DAPI). All steps were carried out at room temperature. Images were captured using a Nikon C2 confocal fluorescence microscope and analyzed for nuclear versus cytoplasmic localization using NIS Elements software.
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3

Immunofluorescence Analysis of ITGB1 Expression

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Cytospins of NALM6 alone and co-cuture samples of NALM6 with BM-MSC were fixed with 4% paraformaldehyde and washed with PBS, followed by 1 h incubation in a 3% BSA blocking buffer. After removal of blocking buffer, Cells were permeabilized by incubation with 0.1% Triton X-100 in PBS for 10 min at room temperature and then incubated for 1 h with primary anti-ITGB1 antibody (P5D2, Abcam) diluted in 3% NGS/0.1% Triton X-100/PBS. Slides were washed three times in PBS, and then incubated for 1 h in 3% NGS/0.1% Triton X-100/PBS containing goat anti-rabbit Alexa Fluor 568 (Invitrogen, Carlsbad, CA). Slides were washed three times in PBS and mounted with ProLong Diamond Antifade Mountant with 4′-6-diamidino-2-phenylindol (DAPI) (ThermoFisher Scientific). All steps were carried out at room temperature. Images were captured using a Nikon C2 confocal fluorescence microscope and analyzed using NIS Elements software.
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4

Immunofluorescence Analysis of ITGB1 Expression

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Cytospins of NALM6 alone and co-cuture samples of NALM6 with BM-MSC were fixed with 4% paraformaldehyde and washed with PBS, followed by 1 h incubation in a 3% BSA blocking buffer. After removal of blocking buffer, Cells were permeabilized by incubation with 0.1% Triton X-100 in PBS for 10 min at room temperature and then incubated for 1 h with primary anti-ITGB1 antibody (P5D2, Abcam) diluted in 3% NGS/0.1% Triton X-100/PBS. Slides were washed three times in PBS, and then incubated for 1 h in 3% NGS/0.1% Triton X-100/PBS containing goat anti-rabbit Alexa Fluor 568 (Invitrogen, Carlsbad, CA). Slides were washed three times in PBS and mounted with ProLong Diamond Antifade Mountant with 4′-6-diamidino-2-phenylindol (DAPI) (ThermoFisher Scientific). All steps were carried out at room temperature. Images were captured using a Nikon C2 confocal fluorescence microscope and analyzed using NIS Elements software.
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