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mouse anti human bmp6  (R&D Systems)


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    Structured Review

    R&D Systems mouse anti human bmp6
    <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).
    Mouse Anti Human Bmp6, supplied by R&D Systems, used in various techniques. Bioz Stars score: 93/100, based on 14 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/result/mouse anti human bmp6/product/R&D Systems
    Average 93 stars, based on 14 article reviews
    mouse anti human bmp6 - by Bioz Stars, 2026-03
    93/100 stars

    Images

    1) Product Images from "Inhibition of bone morphogenetic protein 6 receptors ameliorates Sjögren’s syndrome in mice"

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

    Journal: Scientific Reports

    doi: 10.1038/s41598-020-59443-z

    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).
    Figure Legend 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).

    Techniques Used: 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.
    Figure Legend 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.

    Techniques Used: 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).
    Figure Legend 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).

    Techniques Used: 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.
    Figure Legend 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.

    Techniques Used: Plasmid Preparation, Expressing, Saline, Control



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    R&D Systems mouse anti human bmp6
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    Image Search Results


    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