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PD and cisplatin combination treatment increases autophagy marker levels in head and neck squamous cell carcinoma cells. (A) HSC3 and (C) FaDu cells were treated with PD (10 µM), cisplatin (10 µM) or combination treatment for 48 h. Cells were stained with LC3B antibody and analyzed using confocal microscopy. (B) In HSC3 cells, <t>p62</t> immunofluorescence was increased following combination treatment compared with single treatments. (D) In FaDu cells, p62 staining similarly showed higher p62 levels in the combination treatment group than in the single treatment groups. Nuclei were stained with DAPI (blue), LC3B was stained red and p62 was stained green. Fluorescence intensity and puncta quantification were analyzed using ZEN software (Zeiss AG). Scale bar, 50 µm. Data are presented as the mean ± SD (n=3). *P<0.05, **P<0.01, ***P<0.001. PD, Platycodin D.
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PD and cisplatin combination treatment increases autophagy marker levels in head and neck squamous cell carcinoma cells. (A) HSC3 and (C) FaDu cells were treated with PD (10 µM), cisplatin (10 µM) or combination treatment for 48 h. Cells were stained with LC3B antibody and analyzed using confocal microscopy. (B) In HSC3 cells, <t>p62</t> immunofluorescence was increased following combination treatment compared with single treatments. (D) In FaDu cells, p62 staining similarly showed higher p62 levels in the combination treatment group than in the single treatment groups. Nuclei were stained with DAPI (blue), LC3B was stained red and p62 was stained green. Fluorescence intensity and puncta quantification were analyzed using ZEN software (Zeiss AG). Scale bar, 50 µm. Data are presented as the mean ± SD (n=3). *P<0.05, **P<0.01, ***P<0.001. PD, Platycodin D.
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PD and cisplatin combination treatment increases autophagy marker levels in head and neck squamous cell carcinoma cells. (A) HSC3 and (C) FaDu cells were treated with PD (10 µM), cisplatin (10 µM) or combination treatment for 48 h. Cells were stained with LC3B antibody and analyzed using confocal microscopy. (B) In HSC3 cells, <t>p62</t> immunofluorescence was increased following combination treatment compared with single treatments. (D) In FaDu cells, p62 staining similarly showed higher p62 levels in the combination treatment group than in the single treatment groups. Nuclei were stained with DAPI (blue), LC3B was stained red and p62 was stained green. Fluorescence intensity and puncta quantification were analyzed using ZEN software (Zeiss AG). Scale bar, 50 µm. Data are presented as the mean ± SD (n=3). *P<0.05, **P<0.01, ***P<0.001. PD, Platycodin D.
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PD and cisplatin combination treatment increases autophagy marker levels in head and neck squamous cell carcinoma cells. (A) HSC3 and (C) FaDu cells were treated with PD (10 µM), cisplatin (10 µM) or combination treatment for 48 h. Cells were stained with LC3B antibody and analyzed using confocal microscopy. (B) In HSC3 cells, <t>p62</t> immunofluorescence was increased following combination treatment compared with single treatments. (D) In FaDu cells, p62 staining similarly showed higher p62 levels in the combination treatment group than in the single treatment groups. Nuclei were stained with DAPI (blue), LC3B was stained red and p62 was stained green. Fluorescence intensity and puncta quantification were analyzed using ZEN software (Zeiss AG). Scale bar, 50 µm. Data are presented as the mean ± SD (n=3). *P<0.05, **P<0.01, ***P<0.001. PD, Platycodin D.
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PD and cisplatin combination treatment increases autophagy marker levels in head and neck squamous cell carcinoma cells. (A) HSC3 and (C) FaDu cells were treated with PD (10 µM), cisplatin (10 µM) or combination treatment for 48 h. Cells were stained with LC3B antibody and analyzed using confocal microscopy. (B) In HSC3 cells, <t>p62</t> immunofluorescence was increased following combination treatment compared with single treatments. (D) In FaDu cells, p62 staining similarly showed higher p62 levels in the combination treatment group than in the single treatment groups. Nuclei were stained with DAPI (blue), LC3B was stained red and p62 was stained green. Fluorescence intensity and puncta quantification were analyzed using ZEN software (Zeiss AG). Scale bar, 50 µm. Data are presented as the mean ± SD (n=3). *P<0.05, **P<0.01, ***P<0.001. PD, Platycodin D.
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PD and cisplatin combination treatment increases autophagy marker levels in head and neck squamous cell carcinoma cells. (A) HSC3 and (C) FaDu cells were treated with PD (10 µM), cisplatin (10 µM) or combination treatment for 48 h. Cells were stained with LC3B antibody and analyzed using confocal microscopy. (B) In HSC3 cells, p62 immunofluorescence was increased following combination treatment compared with single treatments. (D) In FaDu cells, p62 staining similarly showed higher p62 levels in the combination treatment group than in the single treatment groups. Nuclei were stained with DAPI (blue), LC3B was stained red and p62 was stained green. Fluorescence intensity and puncta quantification were analyzed using ZEN software (Zeiss AG). Scale bar, 50 µm. Data are presented as the mean ± SD (n=3). *P<0.05, **P<0.01, ***P<0.001. PD, Platycodin D.

Journal: Oncology Reports

Article Title: Platycodin D sensitizes head and neck squamous cell carcinoma to cisplatin by inducing autophagy arrest

doi: 10.3892/or.2026.9088

Figure Lengend Snippet: PD and cisplatin combination treatment increases autophagy marker levels in head and neck squamous cell carcinoma cells. (A) HSC3 and (C) FaDu cells were treated with PD (10 µM), cisplatin (10 µM) or combination treatment for 48 h. Cells were stained with LC3B antibody and analyzed using confocal microscopy. (B) In HSC3 cells, p62 immunofluorescence was increased following combination treatment compared with single treatments. (D) In FaDu cells, p62 staining similarly showed higher p62 levels in the combination treatment group than in the single treatment groups. Nuclei were stained with DAPI (blue), LC3B was stained red and p62 was stained green. Fluorescence intensity and puncta quantification were analyzed using ZEN software (Zeiss AG). Scale bar, 50 µm. Data are presented as the mean ± SD (n=3). *P<0.05, **P<0.01, ***P<0.001. PD, Platycodin D.

Article Snippet: The cells were incubated overnight at 4°C with primary antibodies against LC3B (1:1,000; cat. no. 2775S; Cell Signaling Technology, Inc.) and sequestosome 1 (SQSTM1)/p62 (1:1,000; cat. no. 5114S; Cell Signaling Technology, Inc.).

Techniques: Marker, Staining, Confocal Microscopy, Immunofluorescence, Fluorescence, Software

PD and cisplatin combination treatment induces autophagy arrest by inhibiting autophagosome degradation. HSC3 and FaDu cells were treated with PD (10 µM), cisplatin (10 µM) or combination treatment for 48 h, with or without BafA1. (A) Western blotting was performed to evaluate the expression levels of LC3A/B and p62. β-actin was used as a loading control. (B) Densitometric analysis of LC3A/B and p62 protein levels normalized to β-actin, performed using ImageJ software. Statistical significance was determined by one-way ANOVA followed by Tukey's post hoc test. Data are presented as the mean ± SD (n=3). *P<0.05, **P<0.01. BafA1, Bafilomycin A1; PD, Platycodin D.

Journal: Oncology Reports

Article Title: Platycodin D sensitizes head and neck squamous cell carcinoma to cisplatin by inducing autophagy arrest

doi: 10.3892/or.2026.9088

Figure Lengend Snippet: PD and cisplatin combination treatment induces autophagy arrest by inhibiting autophagosome degradation. HSC3 and FaDu cells were treated with PD (10 µM), cisplatin (10 µM) or combination treatment for 48 h, with or without BafA1. (A) Western blotting was performed to evaluate the expression levels of LC3A/B and p62. β-actin was used as a loading control. (B) Densitometric analysis of LC3A/B and p62 protein levels normalized to β-actin, performed using ImageJ software. Statistical significance was determined by one-way ANOVA followed by Tukey's post hoc test. Data are presented as the mean ± SD (n=3). *P<0.05, **P<0.01. BafA1, Bafilomycin A1; PD, Platycodin D.

Article Snippet: The cells were incubated overnight at 4°C with primary antibodies against LC3B (1:1,000; cat. no. 2775S; Cell Signaling Technology, Inc.) and sequestosome 1 (SQSTM1)/p62 (1:1,000; cat. no. 5114S; Cell Signaling Technology, Inc.).

Techniques: Western Blot, Expressing, Control, Software