Recombinant Human SMPD1, His tagged

Cat.No. : SMPD1-656H
Product Overview : Recombinant Human SMPD1 full length (NP_000534.3) (Met 1-Cys 631), fused with a polyhistidine tag at the C-terminus, was produced in Baculovirus-Insect cells.
Availability July 05, 2025
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Species : Human
Source : Insect Cells
Tag : His
Protein Length : 1-631 a.a.
Form : Lyophilized from sterile 50mM Tris, 100mM NaCl, pH 8.0, 0.1% OGP, 10% glycerol
Molecular Mass : The secreted recombinant human SMPD1 consists of 518 amino acids and predicts a molecular mass of 65 kDa as estimated by SDS-PAGE under reducing conditions.
Endotoxin : < 1.0 eu per μg of the protein as determined by the LAL method.
Stability : Samples are stable for up to twelve months from date of receipt at -70oC.
Storage : Store it under sterile conditions at -20oC~-70oC. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution : It is recommended that sterile water be added to the vial to prepare a stock solution. Centrifuge the vial at 4℃ before opening to recover the entire contents.
Full Length : Full L.
Publications :
Essential role for acid sphingomyelinase-inhibited autophagy in melanoma response to cisplatin (2016)
Gene Name SMPD1 sphingomyelin phosphodiesterase 1, acid lysosomal [ Homo sapiens ]
Official Symbol SMPD1
Gene ID 6609
mRNA Refseq NM_000543
Protein Refseq NP_000534
MIM 607608
UniProt ID P17405

Essential role for acid sphingomyelinase-inhibited autophagy in melanoma response to cisplatin

Journal: Oncotarget    PubMed ID: 27107419    Data: 2016/5/3

Authors: Davide Cervia, Emma Assi, Cristiana Perrotta

Article Snippet:Cisplatin (Cisplatino Teva) was from Teva Pharma Italia (Milano, Italy).Cisplatin (Cisplatino Teva) was from Teva Pharma Italia (Milano, Italy).. Human A-SMase (Recombinant Human SMPD1, His-tagged) was purchased from Creative BioMart (Shirley, NY, USA).. Annexin V-Fluorescein Isothiocianate (FITC) and PI were obtained from Life Technologies (Monza, Italy) and eBioscience (San Diego, CA, USA), respectively.Annexin V-Fluorescein Isothiocianate (FITC) and PI were obtained from Life Technologies (Monza, Italy) and eBioscience (San Diego, CA, USA), respectively.

A. Dose-response curves of the effects of cisplatin on the viability of B16-W6_scr and B1-W6_pSIL10, as measured by the MTT assay ( n = 10). B. Measurement of A-SMase activity in B16-W6_scr and B1-W6_pSIL10 cells treated with cisplatin (10 μg/ml, 16 h). Activity was expressed as fold increase of untreated cells ( n = 5). Statistical significance * p < 0.05 vs untreated B16-W6_scr. C. B1-W6_pSIL10 and B16-W6_scr were cultured for 16 h in the absence (UT: untreated) or in the presence of cisplatin (10 μg/ml). B1-W6_pSIL10 and B16-W6_scr were also treated with human A-SMase (2.0 units/ml) or amitriptyline (5 μM, 1 h before cisplatin treatment), respectively. Left panels: representative dot plots of Annexin V-FITC/PI staining; Right panel: apoptosis quantification expressed as fold increase of total apoptotic cells (Annexin V + /PI ? and Annexin V + /PI + cells) compared to their respective UT controls ( n = 8). Statistical significance *and § p < 0.05 vs B1-W6_pSIL10 and B16-W6_scr, respectively. D. Western blot analysis of cleaved Caspase 3 expression in B16-W6_scr cells cultured for 16 h in the absence (UT) or in the presence of cisplatin (10 μg/ml) and cisplatin + amitriptyline (5 μM, 1 h before cisplatin treatment). GAPDH was used as the internal standard. The images are representative of results obtained from three experiments.

A. Dose-response curves of the effects of cisplatin on the viability of B16-W6_scr and B1-W6_pSIL10, as measured by the MTT assay ( n = 10). B. Measurement of A-SMase activity in B16-W6_scr and B1-W6_pSIL10 cells treated with cisplatin (10 μg/ml, 16 h). Activity was expressed as fold increase of untreated cells ( n = 5). Statistical significance * p < 0.05 vs untreated B16-W6_scr. C. B1-W6_pSIL10 and B16-W6_scr were cultured for 16 h in the absence (UT: untreated) or in the presence of cisplatin (10 μg/ml). B1-W6_pSIL10 and B16-W6_scr were also treated with human A-SMase (2.0 units/ml) or amitriptyline (5 μM, 1 h before cisplatin treatment), respectively. Left panels: representative dot plots of Annexin V-FITC/PI staining; Right panel: apoptosis quantification expressed as fold increase of total apoptotic cells (Annexin V + /PI ? and Annexin V + /PI + cells) compared to their respective UT controls ( n = 8). Statistical significance *and § p < 0.05 vs B1-W6_pSIL10 and B16-W6_scr, respectively. D. Western blot analysis of cleaved Caspase 3 expression in B16-W6_scr cells cultured for 16 h in the absence (UT) or in the presence of cisplatin (10 μg/ml) and cisplatin + amitriptyline (5 μM, 1 h before cisplatin treatment). GAPDH was used as the internal standard. The images are representative of results obtained from three experiments.

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