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Ssea 3

Manufactured by Fortrea

SSEA-3 is a laboratory equipment used to detect and measure the expression of the SSEA-3 antigen, a cell surface marker commonly associated with embryonic stem cells and other undifferentiated cell types. The core function of SSEA-3 is to provide researchers with a tool to analyze and characterize the phenotypic properties of cell populations in various research applications.

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2 protocols using ssea 3

1

Immunocytochemical Characterization of Stem Cells

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Cells were fixed in 4% paraformaldehyde for 10 min, permeabilized with Triton 0.25%, and then blocked with 10% bovine serum albumin in 1× phosphate-buffered saline and 0.3% Triton X-100 for 1 h at room temperature. We incubated the cells with primary antibodies to NANOG (1:100, Abcam), SSEA-3 (1.100, Covance), ChAT (1:200, Chemicon & Millipore), SMI32 (Covance, 1:500), and Neurofilament-200 (1:1000 Sigma) overnight, and then with anti-rabbit or anti-mouse or -goat Alexa Fluor 488 or 594 (1:400; Life Technologies) secondary antibody for 1.5 h at room temperature.
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2

Immunocytochemical Characterization of Cells

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Cells were fixed in 4% paraformaldehyde for 10 min, permeabilized with Triton 0.25%, and then blocked with 10% bovine serum albumin in phosphate-buffered saline and 0.3% Triton™ X-100 for 1 h at room temperature. We incubated the cells with primary antibodies to NANOG (1:100, Abcam), SSEA-3 (1.100, Covance), ChAT (1:200, Chemicon and Millipore), SMI32 (1:500, Covance), hnRNP-Q (1:100, Sigma), and NRXN 2α (1:100, Abcam) overnight, and then with anti-rabbit, anti-mouse, or anti-goat Alexa Fluor® 488 or 594 (1:400; Life Technologies) secondary antibody for 1.5 h at room temperature. Negative controls were performed for all stains. Microphotographs were taken with a LEICA LCS2 confocal microscope.
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