Sialyl Lewis A
Based on 1 publication(s) in Google Scholar
Sialyl Lewis A (SLeA) is a tumor-associated carbohydrate antigen, also known as carbohydrate antigen 19-9 (CA19-9), that binds to E-selectin (ELAM-1) and selectins to mediate cell-endothelium adhesion. Sialyl Lewis A promotes cancer cell-vascular endothelium adhesion, and its surface presence correlates with increased tumorigenicity and invasiveness in cancer cells. Sialyl Lewis A shows elevated expression in human adenocarcinomas of the colon, pancreas, and stomach, with expression levels linked to tumor progression and poor prognosis in colorectal and gastric carcinomas. Sialyl Lewis A can be used for the research of cancers, such as colon, pancreas, stomach, and squamous lung cancer.
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- CAS No.: 92448-22-1
- Formule: C31H52N2O23
- Masse moléculaire:820.75
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Activité biologique
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Chemical Information
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Activité biologique
Sialyl Lewis A mediates adhesion of human colon, pancreas, and gastric cancer cells to E-selectin-expressing endothelial cells, with complete abolition of this adhesion when Sialyl Lewis A expression is suppressed via antisense FT III cDNA transfection[1].
Sialyl Lewis A mediates adhesion of human urinary bladder cancer Hu 1703He cells to E-selectin-expressing CHO cells[1].
Sialyl Lewis A expression is required for the tumorigenicity of human squamous lung cancer cells in athymic nu/nu nude mice[1].
Sialyl Lewis A mediates nearly exclusive ELAM-1-dependent adhesion of Capan2, 2102Ep, QG90, Colo201, WiDr, and SW1116 human epithelial cancer cell lines to rIL1β-activated HUVECs[2].
Sialyl Lewis A is strongly expressed on the surface of Capan2, 2102Ep, QG90, Colo201, WiDr, and SW1116 human epithelial cancer cell lines, but is not detected on any of the 12 tested human leukemia cell lines[2].
Sialyl Lewis A does not contribute to the adhesion of any of the 12 tested human leukemia cell lines to rIL1β-activated HUVECs[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 92448-22-1
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Masse moléculaire 820.75
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Formule C31H52N2O23
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SMILES
OC([C@@]1(O[C@@]([C@@H]([C@H](C1)O)NC(C)=O)([H])[C@H](O)[C@H](O)CO)O[C@@H]2[C@H]([C@@H](O[C@@H]([C@@H]2O)CO)O[C@H]([C@H](C=O)NC(C)=O)[C@@H]([C@H](O)CO)O[C@H]3[C@H]([C@@H]([C@@H]([C@@H](O3)C)O)O)O)O)=O
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Synonyms
SLeA
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Livraison
Room temperature in continental US; may vary elsewhere.
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Stockage
Please store the product under the recommended conditions in the Certificate of Analysis.
Publications (1)
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Journal Impact Factor
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Most Recent
Pureté et documentation
Références
[1]. Ugorski M, et al. Sialyl Lewis(a): a tumor-associated carbohydrate antigen involved in adhesion and metastatic potential of cancer cells. Acta Biochim Pol. 2002;49(2):303-311. [Content Brief]
[2]. Takada A, et al. Contribution of carbohydrate antigens sialyl Lewis A and sialyl Lewis X to adhesion of human cancer cells to vascular endothelium. Cancer Res. 1993 Jan 15;53(2):354-61. [Content Brief]
[3]. Ma Z, et al. Expression of the Carbohydrate Lewis Antigen, Sialyl Lewis A, Sialyl Lewis X, Lewis X, and Lewis Y in the Placental Villi of Patients With Unexplained Miscarriages. Front Immunol. 2021;12:679424. Published 2021 May 31. [Content Brief]
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Sialyl Lewis A Related Classifications
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