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PMID |
Sentence |
1 |
21632984
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Rituximab not only recognizes CD20 on B lymphocytes, but might also bind sphingomyelin phosphodiesterase acid-like 3b (SMPDL-3b) protein and regulate acid sphingomyelinase (ASMase) activity.
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2 |
24925721
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However, unlike in FSGS, SMPDL3b expression was increased in glomeruli from patients with DKD and DKD sera-treated human podocytes, where it prevented αVβ3 integrin activation by its interaction with suPAR and led to increased RhoA activity, rendering podocytes more susceptible to apoptosis.
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3 |
24925721
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In vivo, inhibition of acid sphingomyelinase reduced proteinuria in experimental DKD but not FSGS, indicating that SMPDL3b expression levels determined the podocyte injury phenotype.
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4 |
24925721
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However, unlike in FSGS, SMPDL3b expression was increased in glomeruli from patients with DKD and DKD sera-treated human podocytes, where it prevented αVβ3 integrin activation by its interaction with suPAR and led to increased RhoA activity, rendering podocytes more susceptible to apoptosis.
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5 |
24925721
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In vivo, inhibition of acid sphingomyelinase reduced proteinuria in experimental DKD but not FSGS, indicating that SMPDL3b expression levels determined the podocyte injury phenotype.
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6 |
25126087
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We recently described that sphingomyelin phosphodiesterase acid-like 3b (SMPDL3b) is expressed in podocytes where it modulates acid sphingomyelinase activity and acts as a master modulator of danger signaling.
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7 |
25925039
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Clinical and experimental data indicate roles for cytokines IL-13, TNFα, circulating cardiotrophin-like cytokine factor 1 (member of the IL-6 family), circulating hemopexin, radical oxygen species, and the soluble urokinase-type plasminogen activator receptor (suPAR) in the development of nephrotic syndrome.
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8 |
25925039
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Podocyte metabolism modifications-leading to the overexpression of the podocyte B7-1antigen (CD 80), hypoactivity of the podocyte enzyme sphingomyelin phosphodiesterase acid-like 3 b (SMPDL3b), and to the podocyte production of a hyposialylated form of the angiopoietin-like 4 (Angptl4)-are mechanisms possibly involved in the changes in the podocyte cytoskeleton leading to SSNS and or SRNS.
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9 |
27836988
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Treatment with RTX before radiation exposure partially protected podocytes from SMPDL3b loss, cytoskeletal remodeling, and caspase 3 cleavage.
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10 |
31217420
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SMPDL3b modulates insulin receptor signaling in diabetic kidney disease.
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11 |
31217420
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Here we report that SMPDL3b excess, as observed in podocytes in diabetic kidney disease (DKD), impairs insulin receptor isoform B-dependent pro-survival insulin signaling by interfering with insulin receptor isoforms binding to caveolin-1 in the PM.
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12 |
31217420
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Taken together, we identify SMPDL3b as a modulator of insulin signaling and demonstrate that supplementation with exogenous C1P may represent a lipid therapeutic strategy to treat diabetic complications such as DKD.
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13 |
31217420
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SMPDL3b modulates insulin receptor signaling in diabetic kidney disease.
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14 |
31217420
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Here we report that SMPDL3b excess, as observed in podocytes in diabetic kidney disease (DKD), impairs insulin receptor isoform B-dependent pro-survival insulin signaling by interfering with insulin receptor isoforms binding to caveolin-1 in the PM.
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15 |
31217420
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Taken together, we identify SMPDL3b as a modulator of insulin signaling and demonstrate that supplementation with exogenous C1P may represent a lipid therapeutic strategy to treat diabetic complications such as DKD.
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16 |
31217420
|
SMPDL3b modulates insulin receptor signaling in diabetic kidney disease.
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17 |
31217420
|
Here we report that SMPDL3b excess, as observed in podocytes in diabetic kidney disease (DKD), impairs insulin receptor isoform B-dependent pro-survival insulin signaling by interfering with insulin receptor isoforms binding to caveolin-1 in the PM.
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18 |
31217420
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Taken together, we identify SMPDL3b as a modulator of insulin signaling and demonstrate that supplementation with exogenous C1P may represent a lipid therapeutic strategy to treat diabetic complications such as DKD.
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19 |
31487557
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Sphingomyelinase phosphodiesterase like 3b (SMPDL3b) is a glycosylphosphatidylinositol (GPI) anchored protein in the plasma membrane (PM) and determines membrane fluidity in macrophages.
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20 |
31487557
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This observation lead us to investigate if SMPDL3b controls C1P availability in human podocytes by interfering with ceramide kinase (CERK) expression and function.
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21 |
31487557
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We found that SMPDL3b interacts with CERK and can bind to C1P in vitro.
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22 |
31487557
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Furthermore, CERK expression is reduced when SMPDL3b expression is silenced.
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23 |
31487557
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These observations led us to propose that one of the mechanisms by which SMPDL3b influences the amount of C1P available in the podocytes is by interfering with the function of CERK thereby maintaining a balance in the levels of the C1P in podocytes.
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24 |
31487557
|
Sphingomyelinase phosphodiesterase like 3b (SMPDL3b) is a glycosylphosphatidylinositol (GPI) anchored protein in the plasma membrane (PM) and determines membrane fluidity in macrophages.
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25 |
31487557
|
This observation lead us to investigate if SMPDL3b controls C1P availability in human podocytes by interfering with ceramide kinase (CERK) expression and function.
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26 |
31487557
|
We found that SMPDL3b interacts with CERK and can bind to C1P in vitro.
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27 |
31487557
|
Furthermore, CERK expression is reduced when SMPDL3b expression is silenced.
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28 |
31487557
|
These observations led us to propose that one of the mechanisms by which SMPDL3b influences the amount of C1P available in the podocytes is by interfering with the function of CERK thereby maintaining a balance in the levels of the C1P in podocytes.
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29 |
31487557
|
Sphingomyelinase phosphodiesterase like 3b (SMPDL3b) is a glycosylphosphatidylinositol (GPI) anchored protein in the plasma membrane (PM) and determines membrane fluidity in macrophages.
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30 |
31487557
|
This observation lead us to investigate if SMPDL3b controls C1P availability in human podocytes by interfering with ceramide kinase (CERK) expression and function.
|
31 |
31487557
|
We found that SMPDL3b interacts with CERK and can bind to C1P in vitro.
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32 |
31487557
|
Furthermore, CERK expression is reduced when SMPDL3b expression is silenced.
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33 |
31487557
|
These observations led us to propose that one of the mechanisms by which SMPDL3b influences the amount of C1P available in the podocytes is by interfering with the function of CERK thereby maintaining a balance in the levels of the C1P in podocytes.
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34 |
31487557
|
Sphingomyelinase phosphodiesterase like 3b (SMPDL3b) is a glycosylphosphatidylinositol (GPI) anchored protein in the plasma membrane (PM) and determines membrane fluidity in macrophages.
|
35 |
31487557
|
This observation lead us to investigate if SMPDL3b controls C1P availability in human podocytes by interfering with ceramide kinase (CERK) expression and function.
|
36 |
31487557
|
We found that SMPDL3b interacts with CERK and can bind to C1P in vitro.
|
37 |
31487557
|
Furthermore, CERK expression is reduced when SMPDL3b expression is silenced.
|
38 |
31487557
|
These observations led us to propose that one of the mechanisms by which SMPDL3b influences the amount of C1P available in the podocytes is by interfering with the function of CERK thereby maintaining a balance in the levels of the C1P in podocytes.
|
39 |
31487557
|
Sphingomyelinase phosphodiesterase like 3b (SMPDL3b) is a glycosylphosphatidylinositol (GPI) anchored protein in the plasma membrane (PM) and determines membrane fluidity in macrophages.
|
40 |
31487557
|
This observation lead us to investigate if SMPDL3b controls C1P availability in human podocytes by interfering with ceramide kinase (CERK) expression and function.
|
41 |
31487557
|
We found that SMPDL3b interacts with CERK and can bind to C1P in vitro.
|
42 |
31487557
|
Furthermore, CERK expression is reduced when SMPDL3b expression is silenced.
|
43 |
31487557
|
These observations led us to propose that one of the mechanisms by which SMPDL3b influences the amount of C1P available in the podocytes is by interfering with the function of CERK thereby maintaining a balance in the levels of the C1P in podocytes.
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44 |
34660640
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We demonstrated that the overexpression of SMPDL3b in cultured podocytes (OE) reduced superoxide anion generation and NADPH oxidase activity compared to wild-type cells (WT) post-irradiation.
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45 |
34660640
|
Furthermore, OE podocytes showed downregulated levels of NOX1 and NOX4 after RT.
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46 |
34660640
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On the other hand, treatment with the NOX inhibitor GKT improved WTs' survival post-RT and restored SMPDL3b to basal levels.
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47 |
34660640
|
Taken together, these results suggest a novel role for NOX-derived reactive oxygen species (ROS) upstream of SMPDL3b in modulating the response of renal podocytes to radiation.
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48 |
34660640
|
We demonstrated that the overexpression of SMPDL3b in cultured podocytes (OE) reduced superoxide anion generation and NADPH oxidase activity compared to wild-type cells (WT) post-irradiation.
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49 |
34660640
|
Furthermore, OE podocytes showed downregulated levels of NOX1 and NOX4 after RT.
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50 |
34660640
|
On the other hand, treatment with the NOX inhibitor GKT improved WTs' survival post-RT and restored SMPDL3b to basal levels.
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51 |
34660640
|
Taken together, these results suggest a novel role for NOX-derived reactive oxygen species (ROS) upstream of SMPDL3b in modulating the response of renal podocytes to radiation.
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52 |
34660640
|
We demonstrated that the overexpression of SMPDL3b in cultured podocytes (OE) reduced superoxide anion generation and NADPH oxidase activity compared to wild-type cells (WT) post-irradiation.
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53 |
34660640
|
Furthermore, OE podocytes showed downregulated levels of NOX1 and NOX4 after RT.
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54 |
34660640
|
On the other hand, treatment with the NOX inhibitor GKT improved WTs' survival post-RT and restored SMPDL3b to basal levels.
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55 |
34660640
|
Taken together, these results suggest a novel role for NOX-derived reactive oxygen species (ROS) upstream of SMPDL3b in modulating the response of renal podocytes to radiation.
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56 |
34739556
|
Sphingomyelin Phosphodiesterase Acid-Like 3b is Essential for Toll-Like Receptor 3 Signaling in Human Podocytes.
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57 |
34739556
|
As podocytes are equipped with innate immune systems including TLR3, and viral infections often exacerbate proteinuria in children with idiopathic nephrotic syndrome, we hypothesized that changes in SMPDL3b expression levels could affect anti-viral responses via TLR3 signaling in podocytes, consequently impairing normal podocyte function.
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58 |
34739556
|
To examine the role of SMPDL3b in TLR3 signaling in podocytes, we treated conditionally immortalized human podocytes with polyinosinic-polycytidylic acid (poly IC), to activate TLR3 signaling.
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59 |
34739556
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Poly IC activated the TLR3 pathway, whereas knockdown of SMPDL3b attenuated poly IC-induced interferon-β/chemokine C-X-C ligand 10 expression in podocytes.
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60 |
34739556
|
Sphingomyelin Phosphodiesterase Acid-Like 3b is Essential for Toll-Like Receptor 3 Signaling in Human Podocytes.
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61 |
34739556
|
As podocytes are equipped with innate immune systems including TLR3, and viral infections often exacerbate proteinuria in children with idiopathic nephrotic syndrome, we hypothesized that changes in SMPDL3b expression levels could affect anti-viral responses via TLR3 signaling in podocytes, consequently impairing normal podocyte function.
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62 |
34739556
|
To examine the role of SMPDL3b in TLR3 signaling in podocytes, we treated conditionally immortalized human podocytes with polyinosinic-polycytidylic acid (poly IC), to activate TLR3 signaling.
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63 |
34739556
|
Poly IC activated the TLR3 pathway, whereas knockdown of SMPDL3b attenuated poly IC-induced interferon-β/chemokine C-X-C ligand 10 expression in podocytes.
|
64 |
34739556
|
Sphingomyelin Phosphodiesterase Acid-Like 3b is Essential for Toll-Like Receptor 3 Signaling in Human Podocytes.
|
65 |
34739556
|
As podocytes are equipped with innate immune systems including TLR3, and viral infections often exacerbate proteinuria in children with idiopathic nephrotic syndrome, we hypothesized that changes in SMPDL3b expression levels could affect anti-viral responses via TLR3 signaling in podocytes, consequently impairing normal podocyte function.
|
66 |
34739556
|
To examine the role of SMPDL3b in TLR3 signaling in podocytes, we treated conditionally immortalized human podocytes with polyinosinic-polycytidylic acid (poly IC), to activate TLR3 signaling.
|
67 |
34739556
|
Poly IC activated the TLR3 pathway, whereas knockdown of SMPDL3b attenuated poly IC-induced interferon-β/chemokine C-X-C ligand 10 expression in podocytes.
|
68 |
34739556
|
Sphingomyelin Phosphodiesterase Acid-Like 3b is Essential for Toll-Like Receptor 3 Signaling in Human Podocytes.
|
69 |
34739556
|
As podocytes are equipped with innate immune systems including TLR3, and viral infections often exacerbate proteinuria in children with idiopathic nephrotic syndrome, we hypothesized that changes in SMPDL3b expression levels could affect anti-viral responses via TLR3 signaling in podocytes, consequently impairing normal podocyte function.
|
70 |
34739556
|
To examine the role of SMPDL3b in TLR3 signaling in podocytes, we treated conditionally immortalized human podocytes with polyinosinic-polycytidylic acid (poly IC), to activate TLR3 signaling.
|
71 |
34739556
|
Poly IC activated the TLR3 pathway, whereas knockdown of SMPDL3b attenuated poly IC-induced interferon-β/chemokine C-X-C ligand 10 expression in podocytes.
|