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Anti γδ tcr

Manufactured by Beckman Coulter

The Anti-γδ TCR is a laboratory reagent used to detect and identify gamma-delta T cells in biological samples. It binds specifically to the gamma-delta T cell receptor, allowing for the identification and enumeration of this T cell subset.

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2 protocols using anti γδ tcr

1

Measuring γδ NKT Cell Degranulation and Granzyme B Secretion

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To study the degranulation of γδ NKT cells, γδ NKT cells were coculture with various target cells at an E:T ratio of 1 in the presence of anti-CD107a (eBioscience), anti-CD107b (eBioscience) and 2 μM monensin (eBioscience). After 2-hour incubation, samples were stained with anti-γδ TCR (Beckman Coulter) and analyzed with flow cytometer.
To measure GrB secretion, a Human Granzyme B ELISpot Kit (R&D Systems, Minneapolis, MN, https://www.rndsystems.com) was used. In brief, 0 to 104 γδ NKT cells were incubated with 5×104 various cancer cells on a human GrB microplate for 4 hours. GrB spots were then stained as described in the manufacturer’s manual and counted with an ImmunoSpot Analyzer (CTL, Shaker Heights, OH, http://www.immunospot.com).
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2

Multiparametric Flow Cytometry Phenotyping

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Cells were harvested and phenotypically characterized by 10-color flow cytometry (Navios, Beckman Coulter) using the following antibodies: anti-CD45 (J.33), anti-CD14 (RMO52), anti-CD3 (UCHT-1), anti-CD56 (N901), anti-CD19 (J3-119), anti-CD16 (3G8), anti-CD4 (13B8.2), anti-CD8 (B9.11), anti-CD25 (B1.49.9), anti-CD314 (ON72), anti-αβ-TCR (BW242/412), anti-γδ-TCR (IMMU510), anti-CD45RO (UCHL1), anti-CD45RA (2H4) and anti-CD62L (DREG56) (Beckman Coulter; except antiαβ-TCR, Miltenyi Biotec). For the assessment of viability, 7-aminoactinomycin D (Beckman Coulter) was used, and measurements were performed using a single-platform approach. EBV-specific lymphocytes were identified by staining with various MHC-I and MHC-II antibodies using multimer technology: LMP2A (A*02:01), EBNA1 (B*35:01), EBNA3A (B*07:02 and B*08:01), BMLF1 (A*02:01; Immudex) and EBNA1 (DRB1*04:01; ProImmune).
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