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anti bmp6 antibody  (R&D Systems)


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    Structured Review

    R&D Systems anti bmp6 antibody
    Relative HAMP expression in Hep3B and HepG2 cells in response to <t>BMP6</t> (25 ng/ml, 6h) (A) or BMP6 + recombinant FGL1 (10µg/ml) (B). Relative ID1 expression in hepatoma cell lines treated with BMP6 and FGL1 (C). HAMP (D) and ID1 (E) expression in Hep3B cells and mouse primary hepatocytes treated for 6h with BMP6 and either Fc, full length FGL1 and the N-terminal or globular domain of FGL1. Hepatic Hamp RNA expression (F), serum hepcidin concentration (G) and liver Id1 (H) and Smad7 (I) mRNA expression in mice treated for 6 hours with saline, Fc or recombinant FGL1 (10 mg/kg) (n=5). Data shown are means ± s.e.m of three independent experiments (A- E) or treated mice and were compared for each condition to untreated cells or control mice by Student t-test. **** P < 0.0001, *** P < 0.001, ** P < 0.01, * P < 0.05.
    Anti Bmp6 Antibody, supplied by R&D Systems, used in various techniques. Bioz Stars score: 92/100, based on 2 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/result/anti bmp6 antibody/product/R&D Systems
    Average 92 stars, based on 2 article reviews
    anti bmp6 antibody - by Bioz Stars, 2026-03
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    Images

    1) Product Images from "The hepatokine FGL1 regulates hepcidin and iron metabolism during the recovery from hemorrhage-induced anemia in mice"

    Article Title: The hepatokine FGL1 regulates hepcidin and iron metabolism during the recovery from hemorrhage-induced anemia in mice

    Journal: bioRxiv

    doi: 10.1101/2023.04.06.535920

    Relative HAMP expression in Hep3B and HepG2 cells in response to BMP6 (25 ng/ml, 6h) (A) or BMP6 + recombinant FGL1 (10µg/ml) (B). Relative ID1 expression in hepatoma cell lines treated with BMP6 and FGL1 (C). HAMP (D) and ID1 (E) expression in Hep3B cells and mouse primary hepatocytes treated for 6h with BMP6 and either Fc, full length FGL1 and the N-terminal or globular domain of FGL1. Hepatic Hamp RNA expression (F), serum hepcidin concentration (G) and liver Id1 (H) and Smad7 (I) mRNA expression in mice treated for 6 hours with saline, Fc or recombinant FGL1 (10 mg/kg) (n=5). Data shown are means ± s.e.m of three independent experiments (A- E) or treated mice and were compared for each condition to untreated cells or control mice by Student t-test. **** P < 0.0001, *** P < 0.001, ** P < 0.01, * P < 0.05.
    Figure Legend Snippet: Relative HAMP expression in Hep3B and HepG2 cells in response to BMP6 (25 ng/ml, 6h) (A) or BMP6 + recombinant FGL1 (10µg/ml) (B). Relative ID1 expression in hepatoma cell lines treated with BMP6 and FGL1 (C). HAMP (D) and ID1 (E) expression in Hep3B cells and mouse primary hepatocytes treated for 6h with BMP6 and either Fc, full length FGL1 and the N-terminal or globular domain of FGL1. Hepatic Hamp RNA expression (F), serum hepcidin concentration (G) and liver Id1 (H) and Smad7 (I) mRNA expression in mice treated for 6 hours with saline, Fc or recombinant FGL1 (10 mg/kg) (n=5). Data shown are means ± s.e.m of three independent experiments (A- E) or treated mice and were compared for each condition to untreated cells or control mice by Student t-test. **** P < 0.0001, *** P < 0.001, ** P < 0.01, * P < 0.05.

    Techniques Used: Expressing, Recombinant, RNA Expression, Concentration Assay, Saline, Control

    Relative expression of Hamp (A), Id1 (B), Smad7 (C) mRNA expression in mouse primary hepatocytes treated with BMP ligand (10ng/ml) and human Fc IgG2 (10µg/ml) or Fc-FGL1 (10µg/ml) for 6 hours. Data shown are means ± s.e.m of three independent experiments and were compared for each BMP between Fc or FGL1 treated cells and control cells by Two-way ANOVA. **** P < 0.0001, *** P < 0.001, ** P < 0.01, * P < 0.05. (D) Western blotting of Hep3B cells treated for 6 hours with BMP6 (10 ng/ml), ERFE (1µg/ml), or FGL1 (10µg/ml) for P-SMAD5, SMAD5 and GAPDH. (E) Western blotting of pull down assay of BMP6 and FGL1 (FL, glob, Nter) for human Fc IgG2 and BMP6.
    Figure Legend Snippet: Relative expression of Hamp (A), Id1 (B), Smad7 (C) mRNA expression in mouse primary hepatocytes treated with BMP ligand (10ng/ml) and human Fc IgG2 (10µg/ml) or Fc-FGL1 (10µg/ml) for 6 hours. Data shown are means ± s.e.m of three independent experiments and were compared for each BMP between Fc or FGL1 treated cells and control cells by Two-way ANOVA. **** P < 0.0001, *** P < 0.001, ** P < 0.01, * P < 0.05. (D) Western blotting of Hep3B cells treated for 6 hours with BMP6 (10 ng/ml), ERFE (1µg/ml), or FGL1 (10µg/ml) for P-SMAD5, SMAD5 and GAPDH. (E) Western blotting of pull down assay of BMP6 and FGL1 (FL, glob, Nter) for human Fc IgG2 and BMP6.

    Techniques Used: Expressing, Control, Western Blot, Pull Down Assay



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    Relative HAMP expression in Hep3B and HepG2 cells in response to <t>BMP6</t> (25 ng/ml, 6h) (A) or BMP6 + recombinant FGL1 (10µg/ml) (B). Relative ID1 expression in hepatoma cell lines treated with BMP6 and FGL1 (C). HAMP (D) and ID1 (E) expression in Hep3B cells and mouse primary hepatocytes treated for 6h with BMP6 and either Fc, full length FGL1 and the N-terminal or globular domain of FGL1. Hepatic Hamp RNA expression (F), serum hepcidin concentration (G) and liver Id1 (H) and Smad7 (I) mRNA expression in mice treated for 6 hours with saline, Fc or recombinant FGL1 (10 mg/kg) (n=5). Data shown are means ± s.e.m of three independent experiments (A- E) or treated mice and were compared for each condition to untreated cells or control mice by Student t-test. **** P < 0.0001, *** P < 0.001, ** P < 0.01, * P < 0.05.
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    Relative HAMP expression in Hep3B and HepG2 cells in response to <t>BMP6</t> (25 ng/ml, 6h) (A) or BMP6 + recombinant FGL1 (10µg/ml) (B). Relative ID1 expression in hepatoma cell lines treated with BMP6 and FGL1 (C). HAMP (D) and ID1 (E) expression in Hep3B cells and mouse primary hepatocytes treated for 6h with BMP6 and either Fc, full length FGL1 and the N-terminal or globular domain of FGL1. Hepatic Hamp RNA expression (F), serum hepcidin concentration (G) and liver Id1 (H) and Smad7 (I) mRNA expression in mice treated for 6 hours with saline, Fc or recombinant FGL1 (10 mg/kg) (n=5). Data shown are means ± s.e.m of three independent experiments (A- E) or treated mice and were compared for each condition to untreated cells or control mice by Student t-test. **** P < 0.0001, *** P < 0.001, ** P < 0.01, * P < 0.05.
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    <t>BMP6</t> expression in minor salivary glands of primary Sjögren’s syndrome patients and correlation with xerostomia and sialadenitis. ( A ) Confocal images demonstrating expression of bone morphogenetic protein 6 (BMP6) in minor salivary glands (SGs) of three representative patients with primary Sjögren’s syndrome (pSS), with either low, middle or high expression (134.0, 261.3, and 797.5 fluorescence units, rows 2–4) and of one healthy volunteer (HV) (112.3 fluorescence units, row 1). Left column: slides labeled with isotype control antibody (mouse IgG) were used as background control (40× objective). Middle column: slides labeled with anti-BMP6 antibody (40× objective). Right row: Inset of the marked areas in the middle row (red dashed box). White large and small dashes were used to mark the ducts and acini tissues, respectively. ( B ) In minor SG, BMP6 positive pSS patients (BMP6 expression ≥142.3 fluorescence units, N = 43), BMP6 expression was negatively correlated with their unstimulated whole saliva (UWS) flow rate (Spearman’s r = −0.328, P = 0.0318). ( C ) In minor SG of BMP6 positive pSS patients, BMP6 expression has a trend of positive correlation with focus score (FS) but was not statistically significant (N = 20, only minor SG BMP6 positive patients whose FS data was reported by SICCA were selected. Pearson’s r = 0.3016, P = 0.1962). ( D ) In minor SG of BMP6 positive pSS patients, BMP6 expression has a trend of positive correlation with lymphocytic infiltration area (N = 43, Pearson’s r = 0.2236, P = 0.1494).
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    Image Search Results


    Relative HAMP expression in Hep3B and HepG2 cells in response to BMP6 (25 ng/ml, 6h) (A) or BMP6 + recombinant FGL1 (10µg/ml) (B). Relative ID1 expression in hepatoma cell lines treated with BMP6 and FGL1 (C). HAMP (D) and ID1 (E) expression in Hep3B cells and mouse primary hepatocytes treated for 6h with BMP6 and either Fc, full length FGL1 and the N-terminal or globular domain of FGL1. Hepatic Hamp RNA expression (F), serum hepcidin concentration (G) and liver Id1 (H) and Smad7 (I) mRNA expression in mice treated for 6 hours with saline, Fc or recombinant FGL1 (10 mg/kg) (n=5). Data shown are means ± s.e.m of three independent experiments (A- E) or treated mice and were compared for each condition to untreated cells or control mice by Student t-test. **** P < 0.0001, *** P < 0.001, ** P < 0.01, * P < 0.05.

    Journal: bioRxiv

    Article Title: The hepatokine FGL1 regulates hepcidin and iron metabolism during the recovery from hemorrhage-induced anemia in mice

    doi: 10.1101/2023.04.06.535920

    Figure Lengend Snippet: Relative HAMP expression in Hep3B and HepG2 cells in response to BMP6 (25 ng/ml, 6h) (A) or BMP6 + recombinant FGL1 (10µg/ml) (B). Relative ID1 expression in hepatoma cell lines treated with BMP6 and FGL1 (C). HAMP (D) and ID1 (E) expression in Hep3B cells and mouse primary hepatocytes treated for 6h with BMP6 and either Fc, full length FGL1 and the N-terminal or globular domain of FGL1. Hepatic Hamp RNA expression (F), serum hepcidin concentration (G) and liver Id1 (H) and Smad7 (I) mRNA expression in mice treated for 6 hours with saline, Fc or recombinant FGL1 (10 mg/kg) (n=5). Data shown are means ± s.e.m of three independent experiments (A- E) or treated mice and were compared for each condition to untreated cells or control mice by Student t-test. **** P < 0.0001, *** P < 0.001, ** P < 0.01, * P < 0.05.

    Article Snippet: Proteins were eluted using Laemmli buffer and analyzed by western blot using Goat anti-Human IgG Fc fragment Secondary Antibody [HRP] (Novus biological NBP1-75006) or anti-BMP6 antibody (R&D systems, AF6325).

    Techniques: Expressing, Recombinant, RNA Expression, Concentration Assay, Saline, Control

    Relative expression of Hamp (A), Id1 (B), Smad7 (C) mRNA expression in mouse primary hepatocytes treated with BMP ligand (10ng/ml) and human Fc IgG2 (10µg/ml) or Fc-FGL1 (10µg/ml) for 6 hours. Data shown are means ± s.e.m of three independent experiments and were compared for each BMP between Fc or FGL1 treated cells and control cells by Two-way ANOVA. **** P < 0.0001, *** P < 0.001, ** P < 0.01, * P < 0.05. (D) Western blotting of Hep3B cells treated for 6 hours with BMP6 (10 ng/ml), ERFE (1µg/ml), or FGL1 (10µg/ml) for P-SMAD5, SMAD5 and GAPDH. (E) Western blotting of pull down assay of BMP6 and FGL1 (FL, glob, Nter) for human Fc IgG2 and BMP6.

    Journal: bioRxiv

    Article Title: The hepatokine FGL1 regulates hepcidin and iron metabolism during the recovery from hemorrhage-induced anemia in mice

    doi: 10.1101/2023.04.06.535920

    Figure Lengend Snippet: Relative expression of Hamp (A), Id1 (B), Smad7 (C) mRNA expression in mouse primary hepatocytes treated with BMP ligand (10ng/ml) and human Fc IgG2 (10µg/ml) or Fc-FGL1 (10µg/ml) for 6 hours. Data shown are means ± s.e.m of three independent experiments and were compared for each BMP between Fc or FGL1 treated cells and control cells by Two-way ANOVA. **** P < 0.0001, *** P < 0.001, ** P < 0.01, * P < 0.05. (D) Western blotting of Hep3B cells treated for 6 hours with BMP6 (10 ng/ml), ERFE (1µg/ml), or FGL1 (10µg/ml) for P-SMAD5, SMAD5 and GAPDH. (E) Western blotting of pull down assay of BMP6 and FGL1 (FL, glob, Nter) for human Fc IgG2 and BMP6.

    Article Snippet: Proteins were eluted using Laemmli buffer and analyzed by western blot using Goat anti-Human IgG Fc fragment Secondary Antibody [HRP] (Novus biological NBP1-75006) or anti-BMP6 antibody (R&D systems, AF6325).

    Techniques: Expressing, Control, Western Blot, Pull Down Assay

    The top 10 KEGG pathways enriched by the target genes corresponding to the top 13 up-regulated tsRNAs

    Journal: BMC Oral Health

    Article Title: 5’tiRNA-35-GlyTCC-3 and 5’tiRNA-33-CysGCA-11 target BMP6, CUL1 and SPR of non-syndromic cleft palate

    doi: 10.1186/s12903-025-05661-8

    Figure Lengend Snippet: The top 10 KEGG pathways enriched by the target genes corresponding to the top 13 up-regulated tsRNAs

    Article Snippet: Primary antibodies were employed in opposition to the subsequent proteins: BMP6 (M06924-1, Boster, China), SPR (bs-11784R, Bioss Antibodies, China) and CUL1 (K003246P, Solarbio, China).

    Techniques: Virus, Infection

    Target three key gene loci of two key tsRNAs in NSCPO tissues. ( a ) 5’tiRNA-35-GlyTCC-3 targets BMP6. ( b ) 5’tiRNA-35-GlyTCC-3 targets CUL1. ( c ) 5’tiRNA-33-CysGCA-11 targets SPR

    Journal: BMC Oral Health

    Article Title: 5’tiRNA-35-GlyTCC-3 and 5’tiRNA-33-CysGCA-11 target BMP6, CUL1 and SPR of non-syndromic cleft palate

    doi: 10.1186/s12903-025-05661-8

    Figure Lengend Snippet: Target three key gene loci of two key tsRNAs in NSCPO tissues. ( a ) 5’tiRNA-35-GlyTCC-3 targets BMP6. ( b ) 5’tiRNA-35-GlyTCC-3 targets CUL1. ( c ) 5’tiRNA-33-CysGCA-11 targets SPR

    Article Snippet: Primary antibodies were employed in opposition to the subsequent proteins: BMP6 (M06924-1, Boster, China), SPR (bs-11784R, Bioss Antibodies, China) and CUL1 (K003246P, Solarbio, China).

    Techniques:

    Relative expression of three key mRNAs SPR ( a ), BMP6 ( b ) and CUL1 ( c ) in clinical samples by RT-qPCR. (**** p < 0.0001; *** p < 0.001; ** p < 0.01)

    Journal: BMC Oral Health

    Article Title: 5’tiRNA-35-GlyTCC-3 and 5’tiRNA-33-CysGCA-11 target BMP6, CUL1 and SPR of non-syndromic cleft palate

    doi: 10.1186/s12903-025-05661-8

    Figure Lengend Snippet: Relative expression of three key mRNAs SPR ( a ), BMP6 ( b ) and CUL1 ( c ) in clinical samples by RT-qPCR. (**** p < 0.0001; *** p < 0.001; ** p < 0.01)

    Article Snippet: Primary antibodies were employed in opposition to the subsequent proteins: BMP6 (M06924-1, Boster, China), SPR (bs-11784R, Bioss Antibodies, China) and CUL1 (K003246P, Solarbio, China).

    Techniques: Expressing, Quantitative RT-PCR

    Immunohistochemistry staining of BMP6, CUL1, SPR in the Health, Ctrl and NSCPO tissue

    Journal: BMC Oral Health

    Article Title: 5’tiRNA-35-GlyTCC-3 and 5’tiRNA-33-CysGCA-11 target BMP6, CUL1 and SPR of non-syndromic cleft palate

    doi: 10.1186/s12903-025-05661-8

    Figure Lengend Snippet: Immunohistochemistry staining of BMP6, CUL1, SPR in the Health, Ctrl and NSCPO tissue

    Article Snippet: Primary antibodies were employed in opposition to the subsequent proteins: BMP6 (M06924-1, Boster, China), SPR (bs-11784R, Bioss Antibodies, China) and CUL1 (K003246P, Solarbio, China).

    Techniques: Immunohistochemistry, Staining

    BMP6 expression in minor salivary glands of primary Sjögren’s syndrome patients and correlation with xerostomia and sialadenitis. ( A ) Confocal images demonstrating expression of bone morphogenetic protein 6 (BMP6) in minor salivary glands (SGs) of three representative patients with primary Sjögren’s syndrome (pSS), with either low, middle or high expression (134.0, 261.3, and 797.5 fluorescence units, rows 2–4) and of one healthy volunteer (HV) (112.3 fluorescence units, row 1). Left column: slides labeled with isotype control antibody (mouse IgG) were used as background control (40× objective). Middle column: slides labeled with anti-BMP6 antibody (40× objective). Right row: Inset of the marked areas in the middle row (red dashed box). White large and small dashes were used to mark the ducts and acini tissues, respectively. ( B ) In minor SG, BMP6 positive pSS patients (BMP6 expression ≥142.3 fluorescence units, N = 43), BMP6 expression was negatively correlated with their unstimulated whole saliva (UWS) flow rate (Spearman’s r = −0.328, P = 0.0318). ( C ) In minor SG of BMP6 positive pSS patients, BMP6 expression has a trend of positive correlation with focus score (FS) but was not statistically significant (N = 20, only minor SG BMP6 positive patients whose FS data was reported by SICCA were selected. Pearson’s r = 0.3016, P = 0.1962). ( D ) In minor SG of BMP6 positive pSS patients, BMP6 expression has a trend of positive correlation with lymphocytic infiltration area (N = 43, Pearson’s r = 0.2236, P = 0.1494).

    Journal: Scientific Reports

    Article Title: Inhibition of bone morphogenetic protein 6 receptors ameliorates Sjögren’s syndrome in mice

    doi: 10.1038/s41598-020-59443-z

    Figure Lengend Snippet: BMP6 expression in minor salivary glands of primary Sjögren’s syndrome patients and correlation with xerostomia and sialadenitis. ( A ) Confocal images demonstrating expression of bone morphogenetic protein 6 (BMP6) in minor salivary glands (SGs) of three representative patients with primary Sjögren’s syndrome (pSS), with either low, middle or high expression (134.0, 261.3, and 797.5 fluorescence units, rows 2–4) and of one healthy volunteer (HV) (112.3 fluorescence units, row 1). Left column: slides labeled with isotype control antibody (mouse IgG) were used as background control (40× objective). Middle column: slides labeled with anti-BMP6 antibody (40× objective). Right row: Inset of the marked areas in the middle row (red dashed box). White large and small dashes were used to mark the ducts and acini tissues, respectively. ( B ) In minor SG, BMP6 positive pSS patients (BMP6 expression ≥142.3 fluorescence units, N = 43), BMP6 expression was negatively correlated with their unstimulated whole saliva (UWS) flow rate (Spearman’s r = −0.328, P = 0.0318). ( C ) In minor SG of BMP6 positive pSS patients, BMP6 expression has a trend of positive correlation with focus score (FS) but was not statistically significant (N = 20, only minor SG BMP6 positive patients whose FS data was reported by SICCA were selected. Pearson’s r = 0.3016, P = 0.1962). ( D ) In minor SG of BMP6 positive pSS patients, BMP6 expression has a trend of positive correlation with lymphocytic infiltration area (N = 43, Pearson’s r = 0.2236, P = 0.1494).

    Article Snippet: For human minor SG and parotid SG samples: mouse anti-human BMP6 (Abcam) goat anti-human activin/ALK-2, goat anti-human BMPR-IA/ALK-3, rabbit anti-human BMPR-II antibodies (R&D Systems) were used; mouse, goat, goat and rabbit ChromPure IgG (Jackson ImmunoResearch) were used as control for BMP6, activin/ALK-2, BMPR-IA/ALK-3 and BMPR-II staining, respectively.

    Techniques: Expressing, Fluorescence, Labeling, Control

    Effect of ALK2/3 inhibitors on increased phosphorylated SMAD1/5/8 and SMAD2/3 expression induced by BMP6 and TGF-β in HSG cells. Phosphorylated SMAD1/5/8 (pSMAD1/5/8), pSMAD2/3, SMAD1/5/8, SMAD2 and β-actin (internal control) expression in HSG cells subjected to bone morphogenetic protein 6 (BMP6) or transforming growth factor-beta (TGF-β) with/without LDN treatment, as measured by Western blot (WB). To determine expression level, fold change of protein expression relative to control cell lysate (HSG cells treated with culture media and diluent for each BMP signaling inhibitor and diluent for LDN only) was used. ( A ) Effect of LDN-212854 on pSMAD1/5/8:SMAD1/5/8 ratio. Upper panel: representative WB of pSMAD1/5/8:SMAD1/5/8 ratio after HSG cells were cultured with 5 ng/mL TGF-β + 60 nM LDN-212854 (lane 1), 5 ng/mL TGF-β (lane 2), control medium (lane 3), 6 ng/mL BMP6 (lane 4), 6 ng/mL BMP6 + 10 nM LDN-212854 (lane 5), 25 ng/mL BMP6 (lane 6), or 25 ng/mL BMP6 + 60 nM LDN-212854 (lane 7). Lower panel: 25 ng/mL BMP6 significantly increased pSMAD1/5/8:SMAD1/5/8 ratio ( P < 0.0001), but 60 nM LDN-212854 significantly reversed this effect ( P < 0.0001); 5 ng/mL TGF-β did not change pSMAD1/5/8:SMAD1/5/8 ratio. ( B ) Effect of LDN-212854 on pSMAD2/3:SMAD2 ratio. Upper panel: representative WB of pSMAD2/3:SMAD2 ratio after HSG cells were cultured with different reagents as labeled (see legend A). Lower panel: 5 ng/mL TGF-β increased pSMAD2/3:SMAD2 ratio and 60 nM LDN-212854 did not change this effect; BMP6 with/without LDN-212854 did not alter pSMAD2/3:SMAD2 ratio. ( C ) Effect of LDN-193189 on pSMAD1/5/8:SMAD1/5/8 ratio. Upper panel: representative WB of pSMAD1/5/8:SMAD1/5/8 ratio after HSG cells were cultured with different reagents as labeled (see legend A). Lower panel: 25 ng/mL BMP6 significantly increased pSMAD1/5/8:SMAD1/5/8 ratio ( P < 0.0001), but 60 nM LDN-193189 significantly reversed this effect ( P = 0.0004); 5 ng/mL TGF-β did not change pSMAD1/5/8:SMAD1/5/8 ratio. ( D ) Effect of LDN-193189 on pSMAD2/3:SMAD2 ratio. Upper panel: representative WB of pSMAD2/3:SMAD2 ratio after HSG cells were cultured with different reagents as labeled (see legend A). Lower panel: 5 ng/mL TGF-β significantly increased pSMAD2/3:SMAD2 ratio ( P = 0.0113), but 60 nM LDN-193189 did not change this effect; BMP6 with/without LDN-212193 did not alter pSMAD2/3:SMAD2 ratio. Data shown are means ± SEM from N = 5 (A&C) or N = 2 experiments (B&D). One-way ANOVA followed by Tukey’s multiple comparison was used to compare the seven groups; * P ≤ 0.05, ** P ≤ 0.01 and *** P ≤ 0.0001 when compared with control group.

    Journal: Scientific Reports

    Article Title: Inhibition of bone morphogenetic protein 6 receptors ameliorates Sjögren’s syndrome in mice

    doi: 10.1038/s41598-020-59443-z

    Figure Lengend Snippet: Effect of ALK2/3 inhibitors on increased phosphorylated SMAD1/5/8 and SMAD2/3 expression induced by BMP6 and TGF-β in HSG cells. Phosphorylated SMAD1/5/8 (pSMAD1/5/8), pSMAD2/3, SMAD1/5/8, SMAD2 and β-actin (internal control) expression in HSG cells subjected to bone morphogenetic protein 6 (BMP6) or transforming growth factor-beta (TGF-β) with/without LDN treatment, as measured by Western blot (WB). To determine expression level, fold change of protein expression relative to control cell lysate (HSG cells treated with culture media and diluent for each BMP signaling inhibitor and diluent for LDN only) was used. ( A ) Effect of LDN-212854 on pSMAD1/5/8:SMAD1/5/8 ratio. Upper panel: representative WB of pSMAD1/5/8:SMAD1/5/8 ratio after HSG cells were cultured with 5 ng/mL TGF-β + 60 nM LDN-212854 (lane 1), 5 ng/mL TGF-β (lane 2), control medium (lane 3), 6 ng/mL BMP6 (lane 4), 6 ng/mL BMP6 + 10 nM LDN-212854 (lane 5), 25 ng/mL BMP6 (lane 6), or 25 ng/mL BMP6 + 60 nM LDN-212854 (lane 7). Lower panel: 25 ng/mL BMP6 significantly increased pSMAD1/5/8:SMAD1/5/8 ratio ( P < 0.0001), but 60 nM LDN-212854 significantly reversed this effect ( P < 0.0001); 5 ng/mL TGF-β did not change pSMAD1/5/8:SMAD1/5/8 ratio. ( B ) Effect of LDN-212854 on pSMAD2/3:SMAD2 ratio. Upper panel: representative WB of pSMAD2/3:SMAD2 ratio after HSG cells were cultured with different reagents as labeled (see legend A). Lower panel: 5 ng/mL TGF-β increased pSMAD2/3:SMAD2 ratio and 60 nM LDN-212854 did not change this effect; BMP6 with/without LDN-212854 did not alter pSMAD2/3:SMAD2 ratio. ( C ) Effect of LDN-193189 on pSMAD1/5/8:SMAD1/5/8 ratio. Upper panel: representative WB of pSMAD1/5/8:SMAD1/5/8 ratio after HSG cells were cultured with different reagents as labeled (see legend A). Lower panel: 25 ng/mL BMP6 significantly increased pSMAD1/5/8:SMAD1/5/8 ratio ( P < 0.0001), but 60 nM LDN-193189 significantly reversed this effect ( P = 0.0004); 5 ng/mL TGF-β did not change pSMAD1/5/8:SMAD1/5/8 ratio. ( D ) Effect of LDN-193189 on pSMAD2/3:SMAD2 ratio. Upper panel: representative WB of pSMAD2/3:SMAD2 ratio after HSG cells were cultured with different reagents as labeled (see legend A). Lower panel: 5 ng/mL TGF-β significantly increased pSMAD2/3:SMAD2 ratio ( P = 0.0113), but 60 nM LDN-193189 did not change this effect; BMP6 with/without LDN-212193 did not alter pSMAD2/3:SMAD2 ratio. Data shown are means ± SEM from N = 5 (A&C) or N = 2 experiments (B&D). One-way ANOVA followed by Tukey’s multiple comparison was used to compare the seven groups; * P ≤ 0.05, ** P ≤ 0.01 and *** P ≤ 0.0001 when compared with control group.

    Article Snippet: For human minor SG and parotid SG samples: mouse anti-human BMP6 (Abcam) goat anti-human activin/ALK-2, goat anti-human BMPR-IA/ALK-3, rabbit anti-human BMPR-II antibodies (R&D Systems) were used; mouse, goat, goat and rabbit ChromPure IgG (Jackson ImmunoResearch) were used as control for BMP6, activin/ALK-2, BMPR-IA/ALK-3 and BMPR-II staining, respectively.

    Techniques: Expressing, Control, Western Blot, Cell Culture, Labeling, Comparison

    Effect of ALK2/3 inhibitors on regulatory volume decrease in HSG cells. HSG cells were placed in hypotonic solution in absence (black column) or presence of 6 ng/mL bone morphogenetic protein 6 (BMP6) (gray column), 6 ng/mL BMP6 + 0.1, 1.0 or 10 nM LDN-212854 (red columns), or 6 ng/mL BMP6 + 0.1, 1.0 or 10 nM LDN-193189 (blue columns). BMP6 significantly inhibited recovery of cell volume change (as indicated by reduced regulatory volume decrease [RVD%]), but LDN treatment reversed this effect in a dose-dependent manner. Data shown are means ± SEM from N = 3 experiments. One-way ANOVA followed by Tukey’s multiple comparison was used for comparison; * P ≤ 0.05, ** P ≤ 0.01 and *** P ≤ 0.0001 when compared with control BMP6-treated group (column 2).

    Journal: Scientific Reports

    Article Title: Inhibition of bone morphogenetic protein 6 receptors ameliorates Sjögren’s syndrome in mice

    doi: 10.1038/s41598-020-59443-z

    Figure Lengend Snippet: Effect of ALK2/3 inhibitors on regulatory volume decrease in HSG cells. HSG cells were placed in hypotonic solution in absence (black column) or presence of 6 ng/mL bone morphogenetic protein 6 (BMP6) (gray column), 6 ng/mL BMP6 + 0.1, 1.0 or 10 nM LDN-212854 (red columns), or 6 ng/mL BMP6 + 0.1, 1.0 or 10 nM LDN-193189 (blue columns). BMP6 significantly inhibited recovery of cell volume change (as indicated by reduced regulatory volume decrease [RVD%]), but LDN treatment reversed this effect in a dose-dependent manner. Data shown are means ± SEM from N = 3 experiments. One-way ANOVA followed by Tukey’s multiple comparison was used for comparison; * P ≤ 0.05, ** P ≤ 0.01 and *** P ≤ 0.0001 when compared with control BMP6-treated group (column 2).

    Article Snippet: For human minor SG and parotid SG samples: mouse anti-human BMP6 (Abcam) goat anti-human activin/ALK-2, goat anti-human BMPR-IA/ALK-3, rabbit anti-human BMPR-II antibodies (R&D Systems) were used; mouse, goat, goat and rabbit ChromPure IgG (Jackson ImmunoResearch) were used as control for BMP6, activin/ALK-2, BMPR-IA/ALK-3 and BMPR-II staining, respectively.

    Techniques: Comparison, Control

    Saliva secretion in BMP6-overexpressing C57BL/6J mice and C57BL/6.NOD- Aec1Aec2 mice after ALK2/3 inhibitor treatment. ( A ) Submandibular glands (SMGs) of female C57BL/6J mice were cannulated and AAV5 vector encoding bone morphogenetic protein 6 (BMP6) was instilled to promote local BMP6 expression. Twenty-four months post-cannulation, mice were treated with citrate saline or 2.5 mg/kg LDN-193189 administered i.p. twice daily for 3 days. LDN-193189–treated mice showed a significant increase of salivary flow rate (SFR) compared with saline-treated mice. Data shown are means ± SEM and were analyzed with unpaired Student’s t test. ( B ) Male (M) and female (F) C57BL/6.NOD- Aec1Aec2 mice with established disease were treated daily with PBS (black columns, N = 13, 7M6F), 2.5 mg/kg LDN-212854 (red columns, N = 13, 6M7F), or 2.5 mg/kg LDN-193189 (blue columns, N = 14, 8M6F) for 24 days. SFR was determined in all mice prior to LDN treatment (day 0, baseline), and on day 3, 10, 17 and 24 thereafter. SFR significantly increased in LDN-treated mice compared with PBS-treated mice (control group) from day 10 to 24. Data shown are means ± SEM. Unpaired Student’s t test was used to compare two groups. * P < 0.05 and ** P < 0.01 compared with baseline, # P < 0.05 compared with PBS-treated group at same time point.

    Journal: Scientific Reports

    Article Title: Inhibition of bone morphogenetic protein 6 receptors ameliorates Sjögren’s syndrome in mice

    doi: 10.1038/s41598-020-59443-z

    Figure Lengend Snippet: Saliva secretion in BMP6-overexpressing C57BL/6J mice and C57BL/6.NOD- Aec1Aec2 mice after ALK2/3 inhibitor treatment. ( A ) Submandibular glands (SMGs) of female C57BL/6J mice were cannulated and AAV5 vector encoding bone morphogenetic protein 6 (BMP6) was instilled to promote local BMP6 expression. Twenty-four months post-cannulation, mice were treated with citrate saline or 2.5 mg/kg LDN-193189 administered i.p. twice daily for 3 days. LDN-193189–treated mice showed a significant increase of salivary flow rate (SFR) compared with saline-treated mice. Data shown are means ± SEM and were analyzed with unpaired Student’s t test. ( B ) Male (M) and female (F) C57BL/6.NOD- Aec1Aec2 mice with established disease were treated daily with PBS (black columns, N = 13, 7M6F), 2.5 mg/kg LDN-212854 (red columns, N = 13, 6M7F), or 2.5 mg/kg LDN-193189 (blue columns, N = 14, 8M6F) for 24 days. SFR was determined in all mice prior to LDN treatment (day 0, baseline), and on day 3, 10, 17 and 24 thereafter. SFR significantly increased in LDN-treated mice compared with PBS-treated mice (control group) from day 10 to 24. Data shown are means ± SEM. Unpaired Student’s t test was used to compare two groups. * P < 0.05 and ** P < 0.01 compared with baseline, # P < 0.05 compared with PBS-treated group at same time point.

    Article Snippet: For human minor SG and parotid SG samples: mouse anti-human BMP6 (Abcam) goat anti-human activin/ALK-2, goat anti-human BMPR-IA/ALK-3, rabbit anti-human BMPR-II antibodies (R&D Systems) were used; mouse, goat, goat and rabbit ChromPure IgG (Jackson ImmunoResearch) were used as control for BMP6, activin/ALK-2, BMPR-IA/ALK-3 and BMPR-II staining, respectively.

    Techniques: Plasmid Preparation, Expressing, Saline, Control