Journal: Frontiers in Microbiology

Article Title: Single-Molecule RNA Sequencing Reveals IFNγ-Induced Differential Expression of Immune Escape Genes in Merkel Cell Polyomavirus–Positive MCC Cell Lines

doi: 10.3389/fmicb.2021.785662

Figure Lengend Snippet: Overview of all differentially expressed genes categorized according to their activity in cancer biology.

Article Snippet: For antibody staining, 1 × 10 6 cells of each MCC cell line were cultured in a six-well plate in the presence or absence of IFNγ (3,000 U/ml) for 72 h. Cells were washed with fluorescence-activated cell sorting (FACS) buffer (dulbecco’s phosphate-buffered saline with 1% FBS and 0.2% sodium azide) and stained for the following markers: STAT1α/β, Indoleamine-2,3-dioxygenase (IDO), C-X-C motif chemokine 10 (CXCL10), PD-L1, bone marrow stromal antigen 2 (BST2), HLA class II histocompatibility antigen gamma chain (CD74), and HLA A, B, and C (HLA-ABC) with the following monoclonal antibodies: anti-human STAT1 (phycoerythine; PE, clone REA272, Miltenyi Biotec), anti-IDO1 (PE, clone eyedio, Invitrogen), anti-human CXCL10 (PE, clone REA334, Miltenyi Biotec), anti-CD274 (Pe-Cy7, clone MIH1, BD Biosciences), anti-human BST2 (PE, clone REA202, Miltenyi Biotec), anti-CD74 (PE, clone 5-329, Miltenyi Biotec), and anti–HLA-ABC (fluorescein-5-isothiocyanat, BD Biosciences).

Techniques: Activity Assay, Ubiquitin Proteomics

Journal: Frontiers in Microbiology

Article Title: Single-Molecule RNA Sequencing Reveals IFNγ-Induced Differential Expression of Immune Escape Genes in Merkel Cell Polyomavirus–Positive MCC Cell Lines

doi: 10.3389/fmicb.2021.785662

Figure Lengend Snippet: Validation of differential gene expression in MCC cell lines on protein level and mRNA level. (A) TPM values were acquired from our sequencing output. The data represent mean values ± SEM from three independent experiments (two for MKL-1 control). (B) After 72 h of treatment with or without IFNγ (3,000 U/ml), the Merkel cell carcinoma cell lines MKL-1, MKL-2, and WaGa were stained for signal transducer and activator of transcription 1-alpha/beta (STAT1), bone marrow stromal antigen 2 (BST2), C-X-C motif chemokine 10 (CXCL10), and HLA class II histocompatibility antigen gamma chain (CD74) and analyzed by flow cytometry. The average MFI of three independent experiments ± standard error is indicated. p -values were determined using the paired student’s t -test. * p < 0.05; ** p < 0.01; ns, not significant.

Article Snippet: For antibody staining, 1 × 10 6 cells of each MCC cell line were cultured in a six-well plate in the presence or absence of IFNγ (3,000 U/ml) for 72 h. Cells were washed with fluorescence-activated cell sorting (FACS) buffer (dulbecco’s phosphate-buffered saline with 1% FBS and 0.2% sodium azide) and stained for the following markers: STAT1α/β, Indoleamine-2,3-dioxygenase (IDO), C-X-C motif chemokine 10 (CXCL10), PD-L1, bone marrow stromal antigen 2 (BST2), HLA class II histocompatibility antigen gamma chain (CD74), and HLA A, B, and C (HLA-ABC) with the following monoclonal antibodies: anti-human STAT1 (phycoerythine; PE, clone REA272, Miltenyi Biotec), anti-IDO1 (PE, clone eyedio, Invitrogen), anti-human CXCL10 (PE, clone REA334, Miltenyi Biotec), anti-CD274 (Pe-Cy7, clone MIH1, BD Biosciences), anti-human BST2 (PE, clone REA202, Miltenyi Biotec), anti-CD74 (PE, clone 5-329, Miltenyi Biotec), and anti–HLA-ABC (fluorescein-5-isothiocyanat, BD Biosciences).

Techniques: Biomarker Discovery, Gene Expression, Sequencing, Control, Staining, Flow Cytometry

Journal: Frontiers in Pharmacology

Article Title: Adiponectin Interacts In-Vitro With Cementoblasts Influencing Cell Migration, Proliferation and Cementogenesis Partly Through the MAPK Signaling Pathway

doi: 10.3389/fphar.2020.585346

Figure Lengend Snippet: Adiponectin promotes JNK, ERK1/2 and P38 phosphorylation on OCCM-30 cells. (A,B) The expression of JNK (46 and 54 kDa), ERK1/2 (42 and 44 kDa) and P38 (42 kDa) expression as well as their phosphorylated forms after Adiponectin (20 ng/ml) stimulation were analyzed by Western Blots. β-actin served as a loading control. Graphics show the relative expression of p-JNK, p-ERK1/2 and p-P38 compared to cells at time point 0 min. (C,D) Adiponectin (20 ng/ml) promotes STAT1 (98 KDa) and STAT3 (85 KDa) phosphorylation during a period of 30 min. Graphics show the relative expression of p-STAT1 and p-STAT3 compared to cells at time point 0 min. Values are expressed as means ± SD: Ns (not significant), * p < 0.05; ** p < 0.01; *** p < 0.001.

Article Snippet: The membranes were blocked with 5% non-fat milk (T145.1, ROTH) for 1 h and incubated with the primary antibodies for Adiponectin Receptor 1 (ab70362, Abcam); Adiponectin Receptor 2 (ab77612, Abcam); ERK1/2 (MBS8241746, BIOZOL); phospho-ERK1/2 (44-680G, Thermo-Fisher); P54/P46 JNK (#9252, Cell Signaling Technology), phospho-JNK (07-175, Thermo-Fisher); P38 MAPK (#9212, Cell Signaling Technology); phospho-P38 MAPK Alpha (#4511, Cell Signaling Technology), STAT1 (AHP2527, Bio-Rad); phospho-STAT1 Tyr701 (05-1064, Thermo-Fisher); phospho-STAT1 S727 (ab109461, Abcam); STAT3 (PA1-86605, Thermo-Fisher); phospho-STAT3 S727 (OPA1-03007, Thermo-Fisher), and β-actin (ab8227, Abcam) at a concentration of 1:1,000.

Techniques: Phospho-proteomics, Expressing, Western Blot, Control

Journal: medRxiv

Article Title: Polymorphism in IFNAR contributes to glucocorticoid response and outcome in ARDS and COVID-19

doi: 10.1101/2022.03.10.22272123

Figure Lengend Snippet: (A ) STAT1 expression in the lung after 4-day culture in the presence of IFN beta with or without hydrocortisone (HC). ( B) pSTAT1 expression in the same specimens as in A. ( C) Example photomicrographs showing higher STAT2 expression in a TT patient than in a CT patient and the effect of HC on its nuclear translocation. Most STAT2 remains in the cytoplasm of the CT patients, whereas nuclear expression is prominent in the TT patient. Indicated insets are shown in the bottom row. Arrows. ( D ) Combined results of all patients noting that two CT samples are excluded in the data as the patients were already under glucocorticoid treatment at the time of sample acquisition. Ns, not significant; *P<0.05; **P<0.01; and ***P<0.001

Article Snippet: The first stage antibodies were anti-alpha chain of the IFN alpha/beta receptor (St John’s Laboratory STJ112765) that was used 1:2000 and 1:5000 and anti-Stat1 (1:400, 9175S), anti-pStat1(1:100, 9167S) and anti-Stat2 (1:200, 72604S) all from Cell Signalling.

Techniques: Expressing, Translocation Assay

Journal: ACS Omega

Article Title: Rhoifolin Attenuates Concanavalin A-Induced Autoimmune Hepatitis in Mice via JAKs/STATs Mediated Immune and Apoptotic Processes

doi: 10.1021/acsomega.4c07915

Figure Lengend Snippet: Molecular docking and dynamic simulations of ROF and JAKs/STATs signaling molecules (A) The binding modes of ROF toward JAK2, JAK3, STAT1, and STAT3. (B–F) The dynamic simulations of JAK2-ROF and JAK3-ROF complexes. The HBond (B), RMSD curves (C), RMSF values (D), Rg values (E), and SASA (F) were analyzed by GROMACS.

Article Snippet: The antibodies for cleaved-caspase-3, cleaved-caspase-9, Bax, Bcl-2, JAK2, p-JAK2, JAK3, p-JAK3, IL-6, STAT1, p-STAT1, STAT3, p-STAT3, and BNIP3 were diluted at a ratio of 1:1000, and β-actin (#BA2305, BOSTER) was diluted at a ratio of 1:5000 in the primary antibody dilution buffer.

Techniques: Binding Assay

Journal: ACS Omega

Article Title: Rhoifolin Attenuates Concanavalin A-Induced Autoimmune Hepatitis in Mice via JAKs/STATs Mediated Immune and Apoptotic Processes

doi: 10.1021/acsomega.4c07915

Figure Lengend Snippet: Effects of ROF on the JAK2/3-STAT1/3 signaling pathways in Con A-induced hepatitis (A) The phosphorylated levels of JAK2, STAT1, and STAT3 were measured in hepatic tissues using IHC staining ( n = 3; scale bar = 40 μm). (B) The IODs of each protein were detected by using ImageJ. (C) The JAK2/3-STAT1/3 signaling molecules were measured in hepatic tissues with Western blot analysis ( n = 3). The gray value analysis was standardized using the intensity of β-actin and is depicted in bar graphs. The results are presented as mean ± SEM. * P < 0.05, ** P < 0.01, *** P < 0.001 vs the Con A group.

Article Snippet: The antibodies for cleaved-caspase-3, cleaved-caspase-9, Bax, Bcl-2, JAK2, p-JAK2, JAK3, p-JAK3, IL-6, STAT1, p-STAT1, STAT3, p-STAT3, and BNIP3 were diluted at a ratio of 1:1000, and β-actin (#BA2305, BOSTER) was diluted at a ratio of 1:5000 in the primary antibody dilution buffer.

Techniques: Protein-Protein interactions, Immunohistochemistry, Western Blot

Journal: ACS Omega

Article Title: Rhoifolin Attenuates Concanavalin A-Induced Autoimmune Hepatitis in Mice via JAKs/STATs Mediated Immune and Apoptotic Processes

doi: 10.1021/acsomega.4c07915

Figure Lengend Snippet: Effects of ROF on Th1/Th17 cells differentiation in vitro (A) The purity of isolated CD4 + T cells was measured by flow cytometry. (B) The viability of CD4 + T cells following 5–20 μM ROF treatments for 24 h was assessed utilizing the CCK-8 assay. (C, D) CD4 + T cells were pre-exposed for 1 h to ROF (20 μM), TOF (1 μM), or ROF (20 μM) + TOF (1 μM), followed by stimulation with Con A for 24 h. The levels of p-JAK2, p-JAK3, p-STAT1, and p-STAT3 were monitored by Western blotting and normalized to each protein’s total concentration in the graphs. (E) The generation of IFN-γ or IL-17 in the cellular supernatants of Th1 or Th17 subtypes were measured using ELISA. (F) The gene expression levels of T-bet or RORγt in differentiated T cells were evaluated by PCR. The values are presented as mean ± SEM ( n = 3). ** P < 0.01, *** P < 0.001 vs the Con A group. # P < 0.05, ## P < 0.01, ### P < 0.001 vs the ROF only group or TOF only group.

Article Snippet: The antibodies for cleaved-caspase-3, cleaved-caspase-9, Bax, Bcl-2, JAK2, p-JAK2, JAK3, p-JAK3, IL-6, STAT1, p-STAT1, STAT3, p-STAT3, and BNIP3 were diluted at a ratio of 1:1000, and β-actin (#BA2305, BOSTER) was diluted at a ratio of 1:5000 in the primary antibody dilution buffer.

Techniques: In Vitro, Isolation, Flow Cytometry, CCK-8 Assay, Western Blot, Concentration Assay, Enzyme-linked Immunosorbent Assay, Gene Expression

Journal: ACS Omega

Article Title: Rhoifolin Attenuates Concanavalin A-Induced Autoimmune Hepatitis in Mice via JAKs/STATs Mediated Immune and Apoptotic Processes

doi: 10.1021/acsomega.4c07915

Figure Lengend Snippet: Effects of ROF on primary hepatocytes apoptosis in vitro (A) Primary hepatocytes were pretreated with ROF (5, 10, 20 μM) for 6 h and treated with or without Con A (10 μg/mL) for 24 h, the cell viability of each group was analyzed by CCK-8 assay. (B) Flow cytometry analysis of apoptosis in primary hepatocytes. (C) Primary hepatocytes were pretreated with ROF (20 μM), TOF (1 μM), or ROF (20 μM) + TOF (1 μM) for 6 h, and subsequently triggered with Con A (10 μg/mL) for 24 h. The IL-6, p-JAK2, p-STAT1, p-STAT3, BNIP3, and Bax expression levels were evaluated by using Western blotting. (D) The quantification and standardization of the protein expression were performed using ImageJ. The results are presented as mean ± SEM of three independent experiments. ** P < 0.01, *** P < 0.001 vs the Con A group. # P < 0.05, ## P < 0.01 vs the ROF only group or TOF only group.

Article Snippet: The antibodies for cleaved-caspase-3, cleaved-caspase-9, Bax, Bcl-2, JAK2, p-JAK2, JAK3, p-JAK3, IL-6, STAT1, p-STAT1, STAT3, p-STAT3, and BNIP3 were diluted at a ratio of 1:1000, and β-actin (#BA2305, BOSTER) was diluted at a ratio of 1:5000 in the primary antibody dilution buffer.

Techniques: In Vitro, CCK-8 Assay, Flow Cytometry, Expressing, Western Blot