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Kovalová A, Ledvina M, Saman D, Zyka D, Kubícková M, Zídek L, Sklenár V, Pompach P, Kavan D, Bílý J, Vanek O, Kubínková Z, Libigerová M, Ivanová L, Antolíková M, Mrázek H, Rozbeský D, Hofbauerová K, Kren V, Bezouska K. Synthetic N-acetyl-D-glucosamine based fully branched tetrasaccharide, a mimetic of the endogenous ligand for CD69, activates CD69+ killer lymphocytes upon dimerization via a hydrophilic flexible linker. J Med Chem 2010; 53:4050-65. [PMID: 20433142 DOI: 10.1021/jm100055b] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
On the basis of the highly branched ovomucoid-type undecasaccharide that had been shown previously to be an endogenous ligand for CD69 leukocyte receptor, a systematic investigation of smaller oligosaccharide mimetics was performed based on linear and branched N-acetyl-d-hexosamine homooligomers prepared synthetically using hitherto unexplored reaction schemes. The systematic structure-activity studies revealed the tetrasaccharide GlcNAcbeta1-3(GlcNAcbeta1-4)(GlcNAcbeta1-6)GlcNAc (compound 52) and its alpha-benzyl derivative 49 as the best ligand for CD69 with IC(50) as high as 10(-9) M. This compound thus approaches the affinity of the classical high-affinity neoglycoprotein ligand GlcNAc(23)BSA. Compound 68, GlcNAc tetrasaccharide 52 dimerized through a hydrophilic flexible linker, turned out to be effective in activating CD69(+) lymphocytes. It also proved efficient in enhancing natural killing in vitro, decreasing the growth of tumors in vivo, and activating the CD69(+) tumor infiltrating lymphocytes examined ex vivo. This compound is thus a candidate for carbohydrate-based immunomodulators with promising antitumor potential.
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Affiliation(s)
- Anna Kovalová
- Institute of Organic Chemistry and Biochemistry, VVI, Academy of Sciences of the Czech Republic, Prague, Czech Republic
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Renaudet O, Křenek K, Bossu I, Dumy P, Kádek A, Adámek D, Vaněk O, Kavan D, Gažák R, Šulc M, Bezouška K, Křen V. Synthesis of Multivalent Glycoconjugates Containing the Immunoactive LELTE Peptide: Effect of Glycosylation on Cellular Activation and Natural Killing by Human Peripheral Blood Mononuclear Cells. J Am Chem Soc 2010; 132:6800-8. [DOI: 10.1021/ja101296t] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Olivier Renaudet
- Département de Chimie Moléculaire, UMR CNRS 5250 and ICMG FR 2607, Université Joseph Fourier, BP53, 38041 Grenoble Cedex 9, France, Institute of Microbiology, Academy of Sciences of the Czech Republic, Vídeňská 1083, CZ-14220 Praha 4, Czech Republic, and Department of Biochemistry, Faculty of Science, Charles University Prague, Hlavova 8, CZ-12840 Praha 2, Czech Republic
| | - Karel Křenek
- Département de Chimie Moléculaire, UMR CNRS 5250 and ICMG FR 2607, Université Joseph Fourier, BP53, 38041 Grenoble Cedex 9, France, Institute of Microbiology, Academy of Sciences of the Czech Republic, Vídeňská 1083, CZ-14220 Praha 4, Czech Republic, and Department of Biochemistry, Faculty of Science, Charles University Prague, Hlavova 8, CZ-12840 Praha 2, Czech Republic
| | - Isabelle Bossu
- Département de Chimie Moléculaire, UMR CNRS 5250 and ICMG FR 2607, Université Joseph Fourier, BP53, 38041 Grenoble Cedex 9, France, Institute of Microbiology, Academy of Sciences of the Czech Republic, Vídeňská 1083, CZ-14220 Praha 4, Czech Republic, and Department of Biochemistry, Faculty of Science, Charles University Prague, Hlavova 8, CZ-12840 Praha 2, Czech Republic
| | - Pascal Dumy
- Département de Chimie Moléculaire, UMR CNRS 5250 and ICMG FR 2607, Université Joseph Fourier, BP53, 38041 Grenoble Cedex 9, France, Institute of Microbiology, Academy of Sciences of the Czech Republic, Vídeňská 1083, CZ-14220 Praha 4, Czech Republic, and Department of Biochemistry, Faculty of Science, Charles University Prague, Hlavova 8, CZ-12840 Praha 2, Czech Republic
| | - Alan Kádek
- Département de Chimie Moléculaire, UMR CNRS 5250 and ICMG FR 2607, Université Joseph Fourier, BP53, 38041 Grenoble Cedex 9, France, Institute of Microbiology, Academy of Sciences of the Czech Republic, Vídeňská 1083, CZ-14220 Praha 4, Czech Republic, and Department of Biochemistry, Faculty of Science, Charles University Prague, Hlavova 8, CZ-12840 Praha 2, Czech Republic
| | - David Adámek
- Département de Chimie Moléculaire, UMR CNRS 5250 and ICMG FR 2607, Université Joseph Fourier, BP53, 38041 Grenoble Cedex 9, France, Institute of Microbiology, Academy of Sciences of the Czech Republic, Vídeňská 1083, CZ-14220 Praha 4, Czech Republic, and Department of Biochemistry, Faculty of Science, Charles University Prague, Hlavova 8, CZ-12840 Praha 2, Czech Republic
| | - Ondřej Vaněk
- Département de Chimie Moléculaire, UMR CNRS 5250 and ICMG FR 2607, Université Joseph Fourier, BP53, 38041 Grenoble Cedex 9, France, Institute of Microbiology, Academy of Sciences of the Czech Republic, Vídeňská 1083, CZ-14220 Praha 4, Czech Republic, and Department of Biochemistry, Faculty of Science, Charles University Prague, Hlavova 8, CZ-12840 Praha 2, Czech Republic
| | - Daniel Kavan
- Département de Chimie Moléculaire, UMR CNRS 5250 and ICMG FR 2607, Université Joseph Fourier, BP53, 38041 Grenoble Cedex 9, France, Institute of Microbiology, Academy of Sciences of the Czech Republic, Vídeňská 1083, CZ-14220 Praha 4, Czech Republic, and Department of Biochemistry, Faculty of Science, Charles University Prague, Hlavova 8, CZ-12840 Praha 2, Czech Republic
| | - Radek Gažák
- Département de Chimie Moléculaire, UMR CNRS 5250 and ICMG FR 2607, Université Joseph Fourier, BP53, 38041 Grenoble Cedex 9, France, Institute of Microbiology, Academy of Sciences of the Czech Republic, Vídeňská 1083, CZ-14220 Praha 4, Czech Republic, and Department of Biochemistry, Faculty of Science, Charles University Prague, Hlavova 8, CZ-12840 Praha 2, Czech Republic
| | - Miroslav Šulc
- Département de Chimie Moléculaire, UMR CNRS 5250 and ICMG FR 2607, Université Joseph Fourier, BP53, 38041 Grenoble Cedex 9, France, Institute of Microbiology, Academy of Sciences of the Czech Republic, Vídeňská 1083, CZ-14220 Praha 4, Czech Republic, and Department of Biochemistry, Faculty of Science, Charles University Prague, Hlavova 8, CZ-12840 Praha 2, Czech Republic
| | - Karel Bezouška
- Département de Chimie Moléculaire, UMR CNRS 5250 and ICMG FR 2607, Université Joseph Fourier, BP53, 38041 Grenoble Cedex 9, France, Institute of Microbiology, Academy of Sciences of the Czech Republic, Vídeňská 1083, CZ-14220 Praha 4, Czech Republic, and Department of Biochemistry, Faculty of Science, Charles University Prague, Hlavova 8, CZ-12840 Praha 2, Czech Republic
| | - Vladimír Křen
- Département de Chimie Moléculaire, UMR CNRS 5250 and ICMG FR 2607, Université Joseph Fourier, BP53, 38041 Grenoble Cedex 9, France, Institute of Microbiology, Academy of Sciences of the Czech Republic, Vídeňská 1083, CZ-14220 Praha 4, Czech Republic, and Department of Biochemistry, Faculty of Science, Charles University Prague, Hlavova 8, CZ-12840 Praha 2, Czech Republic
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