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Merck
CN

53886

Sigma-Aldrich

Tn Antigen

≥99.0% (TLC), powder or crystals

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):
C11H20N2O8
CAS Number:
67262-86-6
Molecular Weight:
308.29
MDL number:
MFCD01863462
UNSPSC Code:
12352204
PubChem Substance ID:
329758013
NACRES:
NA.32

Key Documents

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Product Name

Tn Antigen, ≥99.0% (TLC)

Quality Level

100

Assay

≥99.0% (TLC)

form

powder or crystals

storage temp.

−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

InChI key

REDMNGDGDYFZRE-WKWISIMFSA-N

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General description

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 Actions

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.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCM3173
BCCL4481
BCCK7363
BCCL1898
BCCJ0446

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Sophie A Dusoswa et al.
Proceedings of the National Academy of Sciences of the United States of America, 117(7), 3693-3703 (2020-02-06)
Glioblastoma is the most aggressive brain malignancy, for which immunotherapy has failed to prolong survival. Glioblastoma-associated immune infiltrates are dominated by tumor-associated macrophages and microglia (TAMs), which are key mediators of immune suppression and resistance to immunotherapy. We and others
M L Shuvalova et al.
Biochemistry. Biokhimiia, 85(9), 1064-1081 (2020-10-15)
Tn antigen is a tumor-associated antigen that appears on cancer cells as a result of aberrant O-glycosylation. The most studied form of Tn antigen is found in mucins, in particular, in mucin 1 (MUC1). Antibodies against this form of Tn
Specific identification of glycoproteins bearing the Tn antigen in human cells
Zheng J, et al.
Angewandte Chemie (International Edition in English), 129(25), 7213-7217 (2017)
K Bergstrom et al.
Mucosal immunology, 10(1), 91-103 (2016-05-05)
Core 1- and 3-derived mucin-type O-glycans are primary components of the mucus layer in the colon. Reduced mucus thickness and impaired O-glycosylation are observed in human ulcerative colitis. However, how both types of O-glycans maintain mucus barrier function in the
Zhe Liu et al.
Journal of cellular and molecular medicine, 23(3), 2083-2092 (2019-01-15)
Tn antigen is a truncated O-glycan, frequently detected in colorectal cancer (CRC), but its precise role in CRC metastasis is not well addressed. Here we investigated the effects of Core 1 β3Gal-T specific molecular chaperone (Cosmc) deletion-mediated Tn antigen exposure
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