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Showing 1 to 12 of 245 entries
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Evaluation of Total and Lipid Bound Sialic Acid in Serum in Oral Leukoplakia.

Journal of clinical and diagnostic research : JCDR

Krishnan K, Balasundaram S.
PMID: 28511503
J Clin Diagn Res. 2017 Mar;11(3):ZC25-ZC27. doi: 10.7860/JCDR/2017/16483.9497. Epub 2017 Mar 01.

INTRODUCTION: Oral cancer has become the most common cause of cancer related mortality which may be preceded by oral potentially malignant disorders. Altered glycosylation of glycoconjugates, such as sialic acid are one of the most important molecular changes accompanied...

Revealing the Mechanisms of Protein Disorder and N-Glycosylation in CD44-Hyaluronan Binding Using Molecular Simulation.

Frontiers in immunology

Guvench O.
PMID: 26136744
Front Immunol. 2015 Jun 16;6:305. doi: 10.3389/fimmu.2015.00305. eCollection 2015.

The extracellular N-terminal hyaluronan binding domain (HABD) of CD44 is a small globular domain that confers hyaluronan (HA) binding functionality to this large transmembrane glycoprotein. When recombinantly expressed by itself, HABD exists as a globular water-soluble protein that retains...

Erratum to: Mass spectrometric analysis of products of metabolic glycan engineering with azido-modification of sialic acids.

Analytical and bioanalytical chemistry

Bodnar E, Raymond C, Lopez PG, Villacrés C, Butler M, Schoenhofen IC, Durocher Y, Perreault H.
PMID: 26549112
Anal Bioanal Chem. 2015 Dec;407(30):9191-3. doi: 10.1007/s00216-015-9158-4. Epub 2015 Nov 09.

No abstract available.

Quantifying the Efficiency of .

Journal of carbohydrate chemistry

Zhou Z, Liao G, Stepanovs S, Guo Z.
PMID: 25400325
J Carbohydr Chem. 2014 Nov 01;33(7):395-407. doi: 10.1080/07328303.2014.933483.

A convenient method was developed for the quantification of sialic acids expressed by cells and used to analyze the efficiency of

Screening of Neu5Acα(2-6)gal isomer preferences of siglecs with a sialic acid microarray.

Organic & biomolecular chemistry

Yadav R, Leviatan Ben-Arye S, Subramani B, Padler-Karavani V, Kikkeri R.
PMID: 27714250
Org Biomol Chem. 2016 Nov 22;14(46):10812-10815. doi: 10.1039/c6ob01688j.

Sialic acids (Sias) are important terminal sugars on cell surfaces involved in a wide range of protein-carbohydrate interactions. Hence, agents modulating sias-mediated protein interactions are promising inhibitors or vaccine candidates. Here, we report the synthesis of Neu5Acα(2-6)Gal structural analogs...

Multifaceted Role of Sialylation in Prion Diseases.

Frontiers in neuroscience

Baskakov IV, Katorcha E.
PMID: 27551257
Front Neurosci. 2016 Aug 08;10:358. doi: 10.3389/fnins.2016.00358. eCollection 2016.

Mammalian prion or PrP(Sc) is a proteinaceous infectious agent that consists of a misfolded, self-replicating state of a sialoglycoprotein called the prion protein, or PrP(C). Sialylation of the prion protein N-linked glycans was discovered more than 30 years ago,...

Regulated lysosomal exocytosis mediates cancer progression.

Science advances

Machado E, White-Gilbertson S, van de Vlekkert D, Janke L, Moshiach S, Campos Y, Finkelstein D, Gomero E, Mosca R, Qiu X, Morton CL, Annunziata I, d'Azzo A.
PMID: 26824057
Sci Adv. 2015 Dec 18;1(11):e1500603. doi: 10.1126/sciadv.1500603. eCollection 2015 Dec.

Understanding how tumor cells transition to an invasive and drug-resistant phenotype is central to cancer biology, but the mechanisms underlying this transition remain unclear. We show that sarcomas gain these malignant traits by inducing lysosomal exocytosis, a ubiquitous physiological...

Expression of DeltaF508 Cystic Fibrosis Transmembrane Regulator (CFTR) Decreases Membrane Sialylation.

The open respiratory medicine journal

Dosanjh A, Muchmore EA.
PMID: 19572026
Open Respir Med J. 2009 May 18;3:79-84. doi: 10.2174/1874306400903010079.

Chronic colonization and infection of the lung with Pseudomonas aeruginosa is a major cause of morbidity and mortality in cystic fibrosis (CF) patients. Imundo, et al. determined that CF cells had a higher concentration of an asialoganglioside (asialo-G(M1)), to...

The Relationship Between Lipid Peroxidation and LDL Desialylation in Experimental Atherosclerosis.

Toxicology mechanisms and methods

Oztürk Z, Sönmez H, Görgün FM, Ekmekçi H, Bilgen D, Ozen N, Sözer V, Altuğ T, Kökoğlu E.
PMID: 20020949
Toxicol Mech Methods. 2007;17(5):265-73. doi: 10.1080/15376510600992608.

ABSTRACT High serum total cholesterol concentration has been strongly connected with atherosclerosis in numerous studies. Being the main carrier of cholesterol in blood, low-density lipoprotein (LDL) is also the principal lipoprotein causing atherosclerosis. Sialic acids are a family of...

Blot analysis with lectins for the evaluation of glycoproteins in cultured cells and tissues.

Methods in molecular medicine

Zuber C, Li WP, Roth J.
PMID: 21374457
Methods Mol Med. 1998;9:159-66. doi: 10.1385/0-89603-396-1:159.

The carbohydrate-binding properties of plant and animal lectins have found many diverse applications in biomedical research that are comprehensively treated in the various chapters of this book. In our studies, lectins are often applied for the in situ detection...

Catalytic preference of Salmonella typhimurium LT2 sialidase for N-acetylneuraminic acid residues over N-glycolylneuraminic acid residues.

FEBS open bio

Minami A, Ishibashi S, Ikeda K, Ishitsubo E, Hori T, Tokiwa H, Taguchi R, Ieno D, Otsubo T, Matsuda Y, Sai S, Inada M, Suzuki T.
PMID: 23772399
FEBS Open Bio. 2013 May 29;3:231-6. doi: 10.1016/j.fob.2013.05.002. Print 2013.

In a comparison of sialidase activities toward N-acetylneuraminic acid (Neu5Ac) and N-glycolylneuraminic acid (Neu5Gc), we found that Salmonella typhimurium LT2 sialidase (STSA) hardly cleaved 4-methylumbelliferyl Neu5Gc (4MU-Neu5Gc). The k cat/K m value of STSA for 4MU-Neu5Gc was found to...

Molecular Dynamics of Sialic Acid Analogues and their Interaction with Influenza Hemagglutinin.

Indian journal of pharmaceutical sciences

Blessia TF, Rapheal VS, Sharmila DJ.
PMID: 21218055
Indian J Pharm Sci. 2010 Jul;72(4):449-57. doi: 10.4103/0250-474X.73919.

Synthetic sialic acid analogues with multiple modifications at different positions(C-1/C-2/C-4/C-8/C-9) are investigated by molecular mechanics and molecular dynamics to determine their conformational preferences and structural stability to interact with their natural receptors. Sialic acids with multiple modifications are soaked...

Showing 1 to 12 of 245 entries