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3 protocols using gb11064

1

Immunohistochemical Detection of CD4 and CD68

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Lung tissue sections were incubated with the primary antibodies anti-CD4 (Servicebio, GB11064) at 1:1,000 and anti-CD68 (Servicebio, GB11067) at 1:300, and then incubated with the HRP-goat anti-rabbit secondary antibody (Servicebio, GB21303) at 1:200 dilution. Color was developed by DAB. The tissue sections were observed under a microscope.
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2

Immunohistochemical Analysis of Tumor Microenvironment

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After fixation in 4 % PFA, the tumor tissues and lymph nodes were dehydrated in a 20 % sucrose solution, embedded in paraffin, and subsequently cut into slices (5 μm). After incubation with 5 % BSA for 1 h, primary antibodies were added (anti-CD3, 1:500, GB13014; anti-CD4, 1:500, GB11064; anti-CD8, 1:2000, GB12068; anti-Foxp3, 1:500, GB13445; anti-CD68, 1:200, GB113109; anti-Ki67, 1:600, GB121141; anti-CD86, 1:300, GB13585; anti-CD11c, 1:300 GB11059, all from Servicebio, Wuhan, China) at 4 °C in a dark, wet box overnight. After extensive washing using FACS buffer, sections were incubated with secondary antibodies (FITC-goat anti-rat, 1:200, GB22302; CY3-goat anti-rabbit, 1:500, GB21301; Alexa Fluor 488-goat anti-mouse, 1:500, GB25301, all from Servicebio) for 1 h at 25 °C. Nuclei were stained with Hoechst 33342 (Thermo Fisher Scientific, Waltham, MA, USA). The stained sections were observed using a Nikon A1 spectral confocal microscope (Nikon, Tokyo, Japan).
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3

Immunohistochemical Analysis of Tumor Infiltration

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Tumor tissues and spleens resected from mice were fixed in 4% paraformaldehyde and then embedded in paraffin for subsequent sectioning. Each sample was cut into 4 μm sections and then incubated using mouse antihuman CD4 antibody (1:100 dilution; rabbit no. GB11068-1, SERVICEBIO) and anti-CD8 antibody (1:100 dilution; rabbit no. GB11064, SERVICEBIO) overnight at 4°C to analyze spleen infiltration, which was then further incubated using a rabbit antimouse antibody at room temperature for 2 h (1:1,000 dilution; rabbit no. SP-9001, Beijing Zhongshan Jinqiao Biological Company). Thereafter, the sections were stained using diaminobenzidine (K135925C, Beijing Zhongshan Jinqiao Biological Company) and hematoxylin. For approximately 2 min, the sections were stained using a DAB color development kit.
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