Journal: Cell death discovery

Article Title: Plac8-ERK pathway modulation of monocyte function in sepsis.

doi: 10.1038/s41420-024-02012-4

Figure Lengend Snippet: Fig. 1 Expression of plac8 and ERK activation in peripheral blood mononuclear cells of septic patients and normal individuals. A Flow cytometry analysis of peripheral blood CD14+ and CD16+ cell subsets. B Flow cytometry analysis of CD14+ and CD16+ cell subsets. C qRT- PCR analysis of gene expression. D ELISA analysis of cytokine expression. E Western blot analysis of protein expression. F Western blot analysis of protein expression. G Flow cytometry analysis of cell cycle. H Cell proliferation index PI = (S + G2M)/(G0/1 + S + G2M). * indicates P < 0.05 compared to the normal group. Data is presented as mean ± standard deviation. Data analysis was performed using an independent samples t-test, and the experiment was repeated three times.

Article Snippet: After blocking with 0.5% BSA, the membranes were incubated overnight with primary antibodies: rabbit anti-CD14 (ab182032, 1:1000, Abcam, UK), CD16 (Cat No. 16559-1-AP, 1:1000, Proteintech), plac8 (Cat No. 12284-1-AP, 1:200, Proteintech), ERK1/2 (ab17942, 1:1000, Abcam, UK), p-ERK1/2 (ab223500, 1:1000, Abcam, UK), and GAPDH (ab8245, 1:1000, Abcam, UK).

Techniques: Expressing, Activation Assay, Flow Cytometry, Quantitative RT-PCR, Gene Expression, Enzyme-linked Immunosorbent Assay, Western Blot, Standard Deviation

Journal: Cell death discovery

Article Title: Plac8-ERK pathway modulation of monocyte function in sepsis.

doi: 10.1038/s41420-024-02012-4

Figure Lengend Snippet: Fig. 2 Effects of plac8 on peripheral blood mononuclear cell proliferation in septic patients. A qRT-PCR analysis of gene expression. B Western blot analysis of protein band. C Western blot analysis of protein expression. D ELISA analysis of cytokine expression. E Cell proliferation measured by CCK-8 assay, cell proliferation (%) = [OD (treatment group) −OD (blank group)] / [OD (control group) −OD (blank group)] × 100%. * indicates P < 0.05 compared to si-Plac8-NC or Plac8-NC group. Data is presented as mean ± standard deviation. An independent samples t-test was used to compare two groups, and two-way ANOVA was used to compare at different time points. The experiment was repeated three times.

Article Snippet: After blocking with 0.5% BSA, the membranes were incubated overnight with primary antibodies: rabbit anti-CD14 (ab182032, 1:1000, Abcam, UK), CD16 (Cat No. 16559-1-AP, 1:1000, Proteintech), plac8 (Cat No. 12284-1-AP, 1:200, Proteintech), ERK1/2 (ab17942, 1:1000, Abcam, UK), p-ERK1/2 (ab223500, 1:1000, Abcam, UK), and GAPDH (ab8245, 1:1000, Abcam, UK).

Techniques: Quantitative RT-PCR, Gene Expression, Western Blot, Expressing, Enzyme-linked Immunosorbent Assay, CCK-8 Assay, Control, Standard Deviation

Journal: Cell death discovery

Article Title: Plac8-ERK pathway modulation of monocyte function in sepsis.

doi: 10.1038/s41420-024-02012-4

Figure Lengend Snippet: Fig. 5 Effects of plac8 on monocyte cell survival and proliferation in the mouse model. A Flow cytometry analysis of CD14+ and CD16+ cell subsets. B Flow cytometry analysis of peripheral blood CD14+ and CD16+ cell subsets. C Western blot analysis of protein band. D Western blot analysis of protein expression. E ELISA analysis of cytokine expression. F Detection of cell proliferation. G Flow cytometry analysis of cell cycle. H Cell proliferation index PI. * indicates P < 0.05 compared to si-Plac8-NC or Plac8-NC group. Data is presented as mean ± standard deviation. Independent samples t-test was used to compare two groups, and two-way ANOVA was used for comparison at different time points. The experiment was repeated three times.

Article Snippet: After blocking with 0.5% BSA, the membranes were incubated overnight with primary antibodies: rabbit anti-CD14 (ab182032, 1:1000, Abcam, UK), CD16 (Cat No. 16559-1-AP, 1:1000, Proteintech), plac8 (Cat No. 12284-1-AP, 1:200, Proteintech), ERK1/2 (ab17942, 1:1000, Abcam, UK), p-ERK1/2 (ab223500, 1:1000, Abcam, UK), and GAPDH (ab8245, 1:1000, Abcam, UK).

Techniques: Flow Cytometry, Western Blot, Expressing, Enzyme-linked Immunosorbent Assay, Standard Deviation, Comparison

Journal: Cell death discovery

Article Title: Plac8-ERK pathway modulation of monocyte function in sepsis.

doi: 10.1038/s41420-024-02012-4

Figure Lengend Snippet: Fig. 6 The role and mechanism of Plac8-mediated ERK signaling pathway activation in the proliferation and activation of peripheral blood monocytes in septic patients.

Article Snippet: After blocking with 0.5% BSA, the membranes were incubated overnight with primary antibodies: rabbit anti-CD14 (ab182032, 1:1000, Abcam, UK), CD16 (Cat No. 16559-1-AP, 1:1000, Proteintech), plac8 (Cat No. 12284-1-AP, 1:200, Proteintech), ERK1/2 (ab17942, 1:1000, Abcam, UK), p-ERK1/2 (ab223500, 1:1000, Abcam, UK), and GAPDH (ab8245, 1:1000, Abcam, UK).

Techniques: Activation Assay

Journal: Cell host & microbe

Article Title: Longitudinal human antibody repertoire against complete viral proteome from Ebola virus survivor reveals protective sites for vaccine design

doi: 10.1016/j.chom.2020.01.001

Figure Lengend Snippet: KEY RESOURCES TABLE

Article Snippet: Zaire EBOV VP40 Matrix protein , Sino Biologicals , 40446-V07E.

Techniques: Recombinant

Journal: Cell Death & Disease

Article Title: Effects of short-chain fatty acids in inhibiting HDAC and activating p38 MAPK are critical for promoting B10 cell generation and function

doi: 10.1038/s41419-021-03880-9

Figure Lengend Snippet: A Purified splenic B cells were polarized to Bregs after a 2-day coculture with indicated SCFAs or Trichostatin A (TSA, an HDAC inhibitor with high efficiency) in the presence of LPS; the nuclear protein was prepared and tested for HDAC inhibition by ELISA. B – D B10 cell frequency in purified splenic B cells cultured with or without sodium acetate ( B ), HDAC inhibitors TSA or vorinostat ( C ), or HAT inhibitor (HATi) anacardic acid ( D ) under the existence of CD40 mAb or LPS for 2 days. Results were shown as representative FACS plots or bar graphs. The data are presented as mean ± SD from three independent experiments. * P < 0.05, ** p < 0.01, and *** p < 0.001 compared to Ctrl or as indicated.

Article Snippet: In some experiments, cells were treated with inhibitors or metabolites, including HDACis TSA (1–10 nM; Beyotime) and vorinostat (100–500 nM; MCE), GPR41 agonist AR420626 (1–10 μM; APExBIO), GPR43 agonist (1–10 μM; Sigma-Aldrich) or antagonist GLPG0974 (500 nM; Sigma-Aldrich), GPR109A agonist niacin (1 mM; Sigma-Aldrich), HAT inhibitor anacardic acid (1–10 μM; MCE), ERK1/2 inhibitor U0126 (5 μM; MCE), p38 inhibitor SB 203580 (5 μM; MCE), or JNK inhibitor SP600125 (1 μM; MCE).

Techniques: Purification, Inhibition, Enzyme-linked Immunosorbent Assay, Cell Culture

Journal: Scientific reports

Article Title: Parallel Reaction Monitoring reveals structure-specific ceramide alterations in the zebrafish.

doi: 10.1038/s41598-019-56466-z

Figure Lengend Snippet: Figure 1. A Parallel Reaction Monitoring-based approach for ceramide quantification. (a) MS2 of d18:1/16:0 ceramide standard in positive ionisation mode. Fragment structures are based on published assignments43,44. (b) Schematic of Parallel Reaction Monitoring. (c) Example PRM chromatograms for C41:1 ceramide from 48 hpf zebrafish embryos, demonstrating presence of multiple LCB-acyl chain isomers with the same m/z. RT: retention time. (d) MS2 spectrum of C41:1 ceramide from 48 hpf zebrafish embryos, the four major LCB fragments are labelled. (d,e) m/z 200-m/z 350, the four major LCB fragments and additional LCB-derived minor fragments are labelled. Unlabelled minor fragments: m/z 224.2371 (d16:1 LCB), m/z 238.2525 (d17:1 LCB).

Article Snippet: Materials. d18:1/16:0 (860516), d18:1/17:0 (860517), d18:1-d7/15:0 (860681), d18:1-d7/18:0 (860677) and d18:1-d7/24:1 (860679) ceramides were purchased from Avanti Polar Lipids.

Techniques: Targeted Proteomics, Derivative Assay