Journal: Molecular Medicine Reports

Article Title: COL1A1 expression induced by overexpression of both a 15-amino acid peptide from the fibrinogen domain of tenascin-X and integrin α11 in LX-2 cells

doi: 10.3892/mmr.2022.12846

Figure Lengend Snippet: Primers used for quantitative PCR analyses.

Article Snippet: To investigate the possible signaling pathway involved in the induction of COL1A1 expression by overexpression of both hTNX-FGFFFF and integrin α11 in LX-2 cells, a TGF-β receptor type 1 (TGFBRI) inhibitor (SB525334) (MedChemExpress) and a YAP inhibitor (verteporfin) (Cayman Chemical) were used.

Techniques: Real-time Polymerase Chain Reaction, Sequencing

Journal: Molecular Medicine Reports

Article Title: COL1A1 expression induced by overexpression of both a 15-amino acid peptide from the fibrinogen domain of tenascin-X and integrin α11 in LX-2 cells

doi: 10.3892/mmr.2022.12846

Figure Lengend Snippet: Narrowing down of the domain involved in the induction of COL1A1 expression in LX-2 cells. (A) Overexpression of both full-length fibrinogen domain of TNX [TNX-FG] and ITGA11 failed to induce the expression of fibrosis marker genes, including ACTA2, COL1A1 and TGFB1 . LX-2 cells were transfected with expression vectors for hTNX-FG (lane 2), ITGA11 (lane 3) and hTNX-FG and ITGA11 (lane 4) in DMEM/0.5% FBS. (B) Induction of COL1A1 expression by overexpression of both hTNX-FGF and ITGA11. LX-2 cells were transfected with expression vectors for hTNX-FGF (lane 2), hTNX-FGL (lane 3), ITGA11 (lane 4), hTNX-FGF and ITGA11 (lane 5) and hTNX-FGL and ITGA11 (lane 6) in DMEM/0.5% FBS. (C) Induction of COL1A1 expression by overexpression of both hTNX-FGFF and ITGA11. LX-2 cells were transfected with expression vectors for hTNX-FGFF (lane 2), hTNX-FGFL (lane 3), ITGA11 (lane 4), hTNX-FGFF and ITGA11 (lane 5) and hTNX-FGFL and ITGA11 (lane 6) in DMEM/0.5% FBS. (D) Induction of COL1A1 expression by overexpression of both hTNX-FGFFF and ITGA11. LX-2 cells were transfected with expression vectors for hTNX-FGFFF (lane 2), hTNX-FGFFL (lane 3), ITGA11 (lane 4), hTNX-FGFFF and ITGA11 (lane 5) and hTNX-FGFFL and ITGA11 (lane 6) in DMEM/0.5% FBS. (A-D) As a control, RNA from the cells without transfection (lane 1) was used. The cell lysate was prepared 48 h after transfection and then RNA was purified. Subsequently, the expression levels of ACTA2, COL1A1 and TGFB1 were examined by reverse transcription-quantitative PCR. The expression level of each gene in the control was set to 1.0, and the relative expression level of each gene compared with that of the control is shown (n=3). Data are presented as the mean ± SD. *P<0.05, **P<0.01 vs. control (lane 1), one-way ANOVA with Dunnett's post hoc test. COL1A1 , type I collagen α1 chain; TNX, tenascin-X; ITGA11, integrin α11; ACTA2 , α-smooth muscle actin; hTNX-FG, fibrinogen-related domain of human tenascin-X; hTNX-FGF, first half of hTNX-FG; hTNX-FGL, latter half of hTNX-FG; hTNX-FGFF, first half of hTNX-FGF; hTNX-FGFL, latter half of hTNX-FGF; hTNX-FGFFF, first half of hTNX-FGFF; hTNX-FGFFL, latter half of hTNX-FGFF.

Article Snippet: To investigate the possible signaling pathway involved in the induction of COL1A1 expression by overexpression of both hTNX-FGFFFF and integrin α11 in LX-2 cells, a TGF-β receptor type 1 (TGFBRI) inhibitor (SB525334) (MedChemExpress) and a YAP inhibitor (verteporfin) (Cayman Chemical) were used.

Techniques: Expressing, Over Expression, Marker, Transfection, Control, Purification, Reverse Transcription, Real-time Polymerase Chain Reaction

Journal: Molecular Medicine Reports

Article Title: COL1A1 expression induced by overexpression of both a 15-amino acid peptide from the fibrinogen domain of tenascin-X and integrin α11 in LX-2 cells

doi: 10.3892/mmr.2022.12846

Figure Lengend Snippet: Identification of the minimal sequence responsible for induction of COL1A1 expression in LX-2 cells. (A) Induction of COL1A1 expression by overexpression of both hTNX-FGFFFF and ITGA11. LX-2 cells were transfected with expression vectors for hTNX-FGFFFF (lane 2), hTNX-FGFFFL (lane 3), ITGA11 (lane 4), hTNX-FGFFFF and ITGA11 (lane 5) and hTNX-FGFFFL and ITGA11 (lane 6) in DMEM/0.5% FBS. (B) Overexpression of both hTNX-FGpeptide2-5 and ITGA11 did not cause induction of COL1A1 expression. LX-2 cells were transfected with expression vectors for hTNX-FGFFFF (lane 2), hTNX-FGpeptide2-5 (lane 3), ITGA11 (lane 4), hTNX-FGFFFF and ITGA11 (lane 5) and hTNX-FGpeptide2-5 and ITGA11 (lane 6) in DMEM/0.5% FBS. (C) Overexpression of both hTNX-FGFFFM and ITGA11 did not cause induction of COL1A1 expression. LX-2 cells were transfected with expression vectors for hTNX-FGFFFF (lane 2), hTNX-FGFFFM (lane 3), ITGA11 (lane 4), hTNX-FGFFFF and ITGA11 (lane 5) and hTNX-FGFFFM and ITGA11 (lane 6) in DMEM/0.5% FBS. After transfection followed by cell culture, cell lysate extraction and RNA purification, the expression levels of ACTA2, COL1A1 and TGFB1 were examined by reverse transcription-quantitative PCR. (A-C) The expression level of each gene in the control (lane 1, RNA from cells without transfection) was set to 1.0, and the relative expression level of each gene compared with that of the control is shown (n=3). Data are presented as the mean ± SD. *P<0.05, **P<0.01 vs. control (lane 1), one-way ANOVA with Dunnett's post hoc test. COL1A1 , type I collagen α1 chain; TNX, tenascin-X; ITGA11, integrin α11; ACTA2 , α-smooth muscle actin; hTNX-FGFFFF, GGLRIPFPRDCGEEM peptide from fibrinogen-related domain of human tenascin-X (hTNX-FG); hTNX-FGFFFM, PRDCGEEMQNGAGAS peptide from hTNX-FG; hTNX-FGFFFL, QNGAGASRTSTIFL peptide from hTNX-FG; hTNX-FGpeptide2-5, GGLRIPF peptide from hTNX-FG.

Article Snippet: To investigate the possible signaling pathway involved in the induction of COL1A1 expression by overexpression of both hTNX-FGFFFF and integrin α11 in LX-2 cells, a TGF-β receptor type 1 (TGFBRI) inhibitor (SB525334) (MedChemExpress) and a YAP inhibitor (verteporfin) (Cayman Chemical) were used.

Techniques: Sequencing, Expressing, Over Expression, Transfection, Cell Culture, Extraction, Purification, Reverse Transcription, Real-time Polymerase Chain Reaction, Control

Journal: Molecular Medicine Reports

Article Title: COL1A1 expression induced by overexpression of both a 15-amino acid peptide from the fibrinogen domain of tenascin-X and integrin α11 in LX-2 cells

doi: 10.3892/mmr.2022.12846

Figure Lengend Snippet: Induction of COL1A1 expression by overexpression of both hTNX-FGFFFF and ITGA11 in addition to inhibitors. (A) Induction of COL1A1 expression by overexpression of both hTNX-FGFFFF and ITGA11 with a TGFBRI inhibitor (SB525334). DMSO (lanes 1, 2 and 3) and SB525334 (lane 3) were added to the culture medium (DMEM/0.5% FBS) after the transfection of expression plasmids for both hTNX-FGFFFF and ITGA11 in LX-2 cells (lanes 2 and 3). (B) Induction of COL1A1 expression by overexpression of both hTNX-FGFFFF and ITGA11 with a YAP inhibitor (verteporfin). DMSO (lanes 1, 2 and 3) and vertepofin (lane 3) were added to the culture medium (DMEM/0.5% FBS) after the transfection of expression plasmids for both hTNX-FGFFFF and ITGA11 in LX-2 cells (lanes 2 and 3). Subsequently, the cells were cultured followed by cell lysate extraction, RNA purification and reverse transcription-quantitative PCR. (A and B) The expression level of each gene [ ACTA2, COL1A1 and TGFB1 for (A) and ACTA2, COL1A1 and YAP1 for (B)] in the control (lane 1) was set to 1.0, and the relative expression level of each gene compared with that of the control (lane 1) is shown (n=3). Data are presented as the mean ± SD. *P<0.05, **P<0.01 vs. control (lane 1); ## P<0.01 vs. lane 2, one-way ANOVA with the Bonferroni post hoc test. COL1A1 , type I collagen α1 chain; TNX, tenascin-X; ITGA11, integrin α11; ACTA2 , α-smooth muscle actin; YAP, Yes-associated protein; hTNX-FGFFFF, GGLRIPFPRDCGEEM peptide from fibrinogen-related domain of human tenascin-X (hTNX-FG).

Article Snippet: To investigate the possible signaling pathway involved in the induction of COL1A1 expression by overexpression of both hTNX-FGFFFF and integrin α11 in LX-2 cells, a TGF-β receptor type 1 (TGFBRI) inhibitor (SB525334) (MedChemExpress) and a YAP inhibitor (verteporfin) (Cayman Chemical) were used.

Techniques: Expressing, Over Expression, Transfection, Cell Culture, Extraction, Purification, Reverse Transcription, Real-time Polymerase Chain Reaction, Control

Journal: Molecular Medicine Reports

Article Title: COL1A1 expression induced by overexpression of both a 15-amino acid peptide from the fibrinogen domain of tenascin-X and integrin α11 in LX-2 cells

doi: 10.3892/mmr.2022.12846

Figure Lengend Snippet: Effect of YAP1 knockdown on induction of COL1A1 expression. YAP1 was knocked down with YAP1 siRNA prior to overexpression of both hTNX-FGFFFF and ITGA11, and then the expression levels of ACTA2 and COL1A1 were analyzed by reverse transcription-quantitative PCR in LX-2 cells. RNA from cells treated with transfection of control siRNA only (lane 1), transfection of control siRNA followed by co-transfection with both hTNX-FGFFFF and ITGA11 expression plasmids (lane 2) and transfection of YAP1 siRNA followed by co-transfection with both hTNX-FGFFFF and ITGA11 expression plasmids (lane 3) was used. The expression level of each gene ( ACTA2, COL1A1 and YAP1 ) in the control (control siRNA only) (lane 1) was set to 1.0, and the relative expression level of each gene compared with that of the control (control siRNA) is shown (n=3). Data are presented as the mean ± SD. **P<0.01 vs. control (lane 1); # P<0.05, ## P<0.01 vs. lane 2, one-way ANOVA with the Bonferroni post hoc test. At the bottom of the figure, the relative expression levels of YAP1, hTNX-FGFFFF and ITGA11 are also shown, setting lane 2 to 1.0, since hTNX-FGFFFF expression was not detected in lane 1. COL1A1 , type I collagen α1 chain; TNX, tenascin-X; ITGA11, integrin α11; ACTA2 , α-smooth muscle actin; YAP1, Yes-associated protein 1; siRNA, small interfering RNA; hTNX-FGFFFF, GGLRIPFPRDCGEEM peptide from fibrinogen-related domain of human tenascin-X (hTNX-FG).

Article Snippet: To investigate the possible signaling pathway involved in the induction of COL1A1 expression by overexpression of both hTNX-FGFFFF and integrin α11 in LX-2 cells, a TGF-β receptor type 1 (TGFBRI) inhibitor (SB525334) (MedChemExpress) and a YAP inhibitor (verteporfin) (Cayman Chemical) were used.

Techniques: Knockdown, Expressing, Over Expression, Reverse Transcription, Real-time Polymerase Chain Reaction, Transfection, Control, Cotransfection, Small Interfering RNA

Journal: Evidence-based Complementary and Alternative Medicine : eCAM

Article Title: Effects of the Higenamine, a Potent Compound from Aconitum , on UVB-Induced Photoaging in Hairless Mice

doi: 10.1155/2022/9116642

Figure Lengend Snippet: Promotive effect of higenamine on the collagen-related proteins. The levels of TGF- β (a), Smad3 (b), and COL1A1 (c) determined by ELISA. Values are expressed as the mean ± standard error of the mean. ∗ P < 0.05 and ∗∗ P < 0.01 compared to the control group.

Article Snippet: The COL1A1 ELISA kit was obtained from Cusabio Technology (Wuhan, China).

Techniques: Enzyme-linked Immunosorbent Assay, Control

Journal: Evidence-based Complementary and Alternative Medicine : eCAM

Article Title: Effects of the Higenamine, a Potent Compound from Aconitum , on UVB-Induced Photoaging in Hairless Mice

doi: 10.1155/2022/9116642

Figure Lengend Snippet: Effect of higenamine on UVB-induced photoaging in the skin of mice. Representative histological analysis of skin section damaged by UVB exposure. (a) Masson's trichrome staining to identify collagen fibers. The levels of Smad3 (b) and COL1A1 (c) determined by ELISA. Values are expressed as the mean ± standard error of the mean. ∗∗ P < 0.01 and ∗∗∗ P < 0.001 compared to the control group, and ## P < 0.01 and ### P < 0.001 compared to the UVB-alone group.

Article Snippet: The COL1A1 ELISA kit was obtained from Cusabio Technology (Wuhan, China).

Techniques: Staining, Enzyme-linked Immunosorbent Assay, Control

Journal: Evidence-based Complementary and Alternative Medicine : eCAM

Article Title: Effects of the Higenamine, a Potent Compound from Aconitum , on UVB-Induced Photoaging in Hairless Mice

doi: 10.1155/2022/9116642

Figure Lengend Snippet: Effect of higenamine on the levels of UVB-induced photoaging in vitro. Cytotoxicity levels measured by MTT (a), and COL1A1 levels measured by ELISA (b) in cells treated with higenamine followed by UVB stimulation. Levels of Smad2 DNA-binding Phosphorylation (c) and COL1A1 (d) in TGF- β siRNA-transfected differentiated human primary fibroblast cells. Values are expressed as the mean ± standard error of the mean. # P < 0.05 and ### P < 0.001 compared to the control group, ∗ P < 0.05, ∗∗ P < 0.01, and ∗∗∗ P < 0.001 compared to the UVB-alone group, & P < 0.05 compared to the si-TGF- β group, and @ P < 0.05 compared to the higenamine + si-TGF- β + UVB group.

Article Snippet: The COL1A1 ELISA kit was obtained from Cusabio Technology (Wuhan, China).

Techniques: In Vitro, Enzyme-linked Immunosorbent Assay, Binding Assay, Phospho-proteomics, Transfection, Control

Journal: Nature Communications

Article Title: Spatially organized tumor-stroma boundary determines the efficacy of immunotherapy in colorectal cancer patients

doi: 10.1038/s41467-024-54710-3

Figure Lengend Snippet: a Bubble plots represent the expression profiling of PDCD1 and CD274 in single cell clusters from scRNA-seq dataset. The plots are sized by the fraction of cells with positive gene expression, while the color represents the gene expression level . b The interactions among indicated cell clusters through PD1-PD-L1 axis from scRNA-seq dataset. c The box and whisker plot shows show the nearest distance from DC_ LAMP3 to CD4_ CXCL13 (N number of the counted cell-cell distances: distant stroma =918, boundary region=1867; tumor center=251) or ( d ) to CD8_ CXCL13 (N number of the counted cell-cell distances: distant stroma =368, boundary region=567; tumor center=45) in distance stroma, tumor-stroma boundary and tumor center from treatment naïve dMMR patients. Data are represented as mean±IQR and analyzed by unpaired 2-tailed Student t test. ns, not significant; *, p < 0.05; **, p < 0.01. Pie charts represent the fractions of CD4_ CXCL13 or CD8_ CXCL13 in the indicated regions stratified by colors in accordance with ( c ) d . Data are analyzed by unpaired Student-t test. ns, not significant; ****, p < 0.0001. e Representative mIF images of panCK, COL1A1, PD-L1 and PD1 in treatment naïve dMMR patients (5 samples were analyzed). DAPI was used as a positive control for cell nuclei staining. Scale bars were set as 5 mm for global image (left) and 50μm for FOVs (middle and right). f The box and whisker plot shows the nearest distances from PD1 + cells to PDL1 + cells in distance stroma, tumor-stroma boundary and tumor center from 7 treatment naïve dMMR patients. Each dot represents a PD1-expressing cell. N number of the counted cell-cell distances: stroma = 750; boundary = 935; tumor = 892. Data are represented as mean ± IQR and analyzed by unpaired 2-tailed Student t test with Bonferroni correction. Ns, not significant; *, p < 0.05; **, p < 0.01; ***, p < 0.001; ***, p < 0.0001. g The box and whisker plot shows the T cell exhaustion scores in the distant stroma, tumor-stroma boundary and tumor center from treatment naïve dMMR patients. Data are represented as mean±IQR and analyzed by unpaired 2-tailed Student t test. Ns not significant; *, p < 0.05; **, p < 0.01; ***, p < 0.001; ***, p < 0.0001. N number of the spots: distant stroma =86, boundary region=12; tumor center=287. h Representative images of H&E staining, FOV, and spatial map of T cell exhaustion scores in the tumor-stroma boundary of the treatment naïve dMMR patient #56. Scale bars were set as 1.5 mm for global image (left) and 500 μm for FOVs . i Heatmap of PDCD1 and CD274 expressions in the distant stroma, tumor-stroma boundary and tumor center of treatment naïve dMMR patients.

Article Snippet: Anti-COL1A1 rabbit mAb , 1:500 , Cell Signaling , CST72026S.

Techniques: Expressing, Gene Expression, Whisker Assay, Positive Control, Staining

Journal: Nature Communications

Article Title: Spatially organized tumor-stroma boundary determines the efficacy of immunotherapy in colorectal cancer patients

doi: 10.1038/s41467-024-54710-3

Figure Lengend Snippet: a The top 5 GO terms of DEGs (p value < 0.001; fold change >2) identified from CAF_ CXCL14 and CAF_ CXCL8 clusters are shown. Comparison is made by two-tailed t test. b GSEA plot of the upregulated genes related to extracellular matrix organization in CAF_ CXCL14 (n cells=268) compared to CAF_ CXCL8 ( n cells=118) is shown. Comparison is made by two-tailed t test. c RCTD frequencies of CAF_ CXCL14 (up) and ECM organization signature scores (below) in the tumor-stroma boundary of dPR/dCR (n spots=1436) and dSD (n spots=2244) patients are shown as violim plots. Data are analyzed by unpaired 2-tailed Student t test. Ns, not significant; *, p < 0.05; **, p < 0.01; ***, p < 0.001; ***, p < 0.0001. d Pearson correlation of RCTD frequencies of CAF_ CXCL14 and ECM organization signature scores in dPR/dCR and dSD patients. e Loess smoothed curves and ( f ) violin plots of RCTD frequencies of CAF_ CXCL14 (up) and ECM organization signature scores (below) in tumor ( + 300 μm, n spots = 9313) to the tumor-stroma boundary (0 μm, n spots = 56,357) from treatment naïve pMMR and dSD patients are shown. The tumor edge region ( + 150 μm to 0 μm) is highlighted in the yellow frame. g Representative images of FOV, CAF_ CXCL14 and ECM organization scores in the tumor-stroma boundary of treatment naïve pMMR patient #59 and dSD patient #95 are shown. h Representative images of Masson’s trichrome staining from treatment naïve dMMR and pMMR patients (3 samples were analyzed in each group). Scale bar = 50 μm. i Representative mIF images of panCK, COL1A1, CD3 and CXCL14 in indicated patient groups (3 samples were analyzed in each group). DAPI was used as a positive control for cell nuclei staining. Scale bars, 50 μm. j CXCL14 expression level and ECM organization scores in fibroblasts from the three public scRNAseq datasets , , .

Article Snippet: Anti-COL1A1 rabbit mAb , 1:500 , Cell Signaling , CST72026S.

Techniques: Comparison, Two Tailed Test, Staining, Positive Control, Expressing

Journal: Nature Communications

Article Title: Spatially organized tumor-stroma boundary determines the efficacy of immunotherapy in colorectal cancer patients

doi: 10.1038/s41467-024-54710-3

Figure Lengend Snippet:

Article Snippet: Anti-COL1A1 rabbit mAb , 1:500 , Cell Signaling , CST72026S.

Techniques: