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Sigma-Aldrich

Tn-Antigen

≥99.0% (TLC), powder or crystals

Synonym(e):

GalNac-α-1-O-serin, O-[2-(Acetylamino)-2-deoxy-α-D-galactopyranosyl]-L-serin

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About This Item

Empirische Formel (Hill-System):
C11H20N2O8
CAS-Nummer:
67262-86-6
Molekulargewicht:
308.29
MDL-Nummer:
MFCD01863462
UNSPSC-Code:
12352204
PubChem Substanz-ID:
329758013
NACRES:
NA.32

product name

Tn-Antigen, ≥99.0% (TLC)

Assay

≥99.0% (TLC)

Form

powder or crystals

Lagertemp.

−20°C

SMILES String

CC(=O)N[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@@H]1OC[C@H](N)C(O)=O

InChI

1S/C11H20N2O8/c1-4(15)13-7-9(17)8(16)6(2-14)21-11(7)20-3-5(12)10(18)19/h5-9,11,14,16-17H,2-3,12H2,1H3,(H,13,15)(H,18,19)/t5-,6+,7+,8-,9+,11-/m0/s1

InChIKey

REDMNGDGDYFZRE-WKWISIMFSA-N

Allgemeine Beschreibung

Tn antigen is a truncated O-glycan, that is commonly noticed in colorectal cancer (CRC). It is usually expressed at high levels in cancer cells. Tn antigen is small in size and simple in structure. It has a non-physiological glycan structure in humans, hence it may be identified as foreign by the immune system.

Biochem./physiol. Wirkung

Tn antigen stimulates colorectal cancer metastasis through the activation of epithelial-mesenchymal transition, mediated by H-Ras. It acts as a precursor to several significant complex O-glycans. Subpopulations of blood cells in all lineages carrying the Tn antigen results in a hematological disorder called Tn syndrome.

Verpackung

Bottomless glass bottle. Contents are inside inserted fused cone.

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)

Analysenzertifikate (COA)

Suchen Sie nach Analysenzertifikate (COA), indem Sie die Lot-/Chargennummer des Produkts eingeben. Lot- und Chargennummern sind auf dem Produktetikett hinter den Wörtern ‘Lot’ oder ‘Batch’ (Lot oder Charge) zu finden.

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Sigma-Aldrich

M3895

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Xichen Dong et al.
BioMed research international, 2018, 9532389-9532389 (2018-07-24)
Immature truncated O-glycans such as Tn antigen are frequently detected in human colorectal cancer (CRC); however, the precise pathological consequences of Tn antigen expression on CRC are unknown. T-synthase is the key enzyme required for biosynthesis of mature O-glycans. Here
Neha M Sahasrabudhe et al.
Biological chemistry, 399(7), 649-659 (2018-06-13)
Colorectal cancer is the third most common cancer type worldwide. It is characterized by a high expression of aberrantly glycosylated ligands, such as the Tn antigen (GalNAcα1-Ser/Thr), which is a major ligand for the C-type lectin macrophage galactose-type lectin (MGL).
Ting-Chun Kuo et al.
Oncogene, 40(7), 1242-1254 (2021-01-10)
Pancreatic adenocarcinoma (PDAC) is a leading cause of cancer-related death. Altered glycosylation contributes to tumor progression and chemoresistance in many cancers. C1GALT1 is the key enzyme controlling the elongation of GalNAc-type O-glycosylation. Here we showed that C1GALT1 was overexpressed in
Yasuyuki Matsumoto et al.
Glycobiology, 30(5), 282-300 (2019-11-20)
The Tn antigen is a neoantigen abnormally expressed in many human carcinomas and expression correlates with metastasis and poor survival. To explore its biomarker potential, new antibodies are needed that specifically recognize this antigen in tumors. Here we generated two
Tn antigen promotes human colorectal cancer metastasis via H-Ras mediated epithelial-mesenchymal transition activation
Liu Z, et al.
Journal of Cellular and Molecular Medicine (2019)
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