The image on the left is immunohistochemistry of paraffin-embedded Human gastic cancer tissue using CSB-PA782907(PAPSS1 Antibody) at dilution 1/40, on the right is treated with fusion protein. (Original magnification: ×200)
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貨期:
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用途:
For Research Use Only. Not for use in diagnostic or therapeutic procedures.
Bifunctional enzyme with both ATP sulfurylase and APS kinase activity, which mediates two steps in the sulfate activation pathway. The first step is the transfer of a sulfate group to ATP to yield adenosine 5'-phosphosulfate (APS), and the second step is the transfer of a phosphate group from ATP to APS yielding 3'-phosphoadenylylsulfate (PAPS: activated sulfate donor used by sulfotransferase). In mammals, PAPS is the sole source of sulfate; APS appears to be only an intermediate in the sulfate-activation pathway. Required for normal biosynthesis of sulfated L-selectin ligands in endothelial cells.
基因功能參考文獻:
These results suggest that PAPSS1 inhibition enhances cisplatin activity in multiple preclinical model systems and that low PAPSS1 expression may serve as a biomarker for platin sensitivity in cancer patients. Developing strategies to target PAPSS1 activity in conjunction with platinum-based chemotherapy may offer an approach to improving treatment outcomes PMID: 28790117
we found that ectopic expression of oncogenic KRas and HRas in cells resulted in elevated CIB1 expression. We previously described the Ca(2+)-myristoyl switch function of CIB1, and its ability to facilitate agonist-induced plasma membrane localisation of sphingosine kinase 1 (SK1), a location where SK1 is known to elicit oncogenic signalling. PMID: 27941888
leptin signalling links a novel SFK/ERK1/2-mediated pathway and SK1 expression. PMID: 25482303
SK1 positivity and high expression were significantly associated with cancer and a shorter 5-year and overall survival. PMID: 24587339
study showed expression patterns of SULT1E1 and PAPSS in breast and endometrial tissues; the estrogen sulfation enzymes were comparatively higher in the tumorous tissues than adjacent normal tissues; overexpression of SULT1E1 and PAPSS1 retarded MCF-7 cells growth in vivo and in vitro by arresting cell cycles and inducing apoptosis PMID: 22380844
SK1 plays an essential role in regulating in vitro paracrine angiogenesis and lymphangiogenesis. PMID: 20335228
characterization and expression of bifunctional isoforms PMID: 11931637
review of PAPSS biochemistry, molecular biology and genetics PMID: 12716056
x-ray crystallographic analysis of 3'-phosphoadenosine-5'-phosphosulfate synthetase 1 PMID: 14747722
The kinetic characteristics of the individual sulfurylase and kinase activities of PAPSS isoform 1, the predominant form in human brain, are described. PMID: 15065880
Results describe the crystal structure of human PAPSS1 at 1.8 angstroms resolution. PMID: 15755455
ATP-sulfurylase domain of PAPS synthetase influences these elements in adenylylsulfate kinase, which may be a mechanism between both domains the this bifunctional enzyme PMID: 17540769
a role for PAPSS1 in the cellular sulfonation pathway requirement at a stage during or shortly after MLV provirus establishment, and subsequent influence on gene expression from the viral long terminal repeat promoter PMID: 19008949
PAPSS1 maps to chromosome 4q25 and may havea role in hepatocellular carcinoma PMID: 19337310
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蛋白家族:
APS kinase family; Sulfate adenylyltransferase family
組織特異性:
Expressed in testis, pancreas, kidney, thymus, prostate, ovary, small intestine, colon, leukocytes and liver. Also expressed in high endothelial venules (HEV) cells and in cartilage.