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Gupta J, Reddy N, Mankad K, Kabra U, Bhandari A, Bagarhatta M, Gupta A. Teaching NeuroImage: A New Imaging Finding in a Boy With Salla Disease Caused by a Pathogenic Variant in the SLC17A5 Gene. Neurology 2023; 101:631-632. [PMID: 37527937 PMCID: PMC10573145 DOI: 10.1212/wnl.0000000000207546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 05/05/2023] [Indexed: 08/03/2023] Open
Affiliation(s)
- Juhi Gupta
- From the Sawai Man Singh Medical College (J.G., A.B., M.B., A.G.), Jaipur; Rainbow Children's Hospital (N.R.), Hyderabad, India; Great Ormond Street Hospital for Children (K.M.), London, United Kingdom; and Getwell Poly Clinic and Hospital (U.K.), Jaipur, India.
| | - Nihaal Reddy
- From the Sawai Man Singh Medical College (J.G., A.B., M.B., A.G.), Jaipur; Rainbow Children's Hospital (N.R.), Hyderabad, India; Great Ormond Street Hospital for Children (K.M.), London, United Kingdom; and Getwell Poly Clinic and Hospital (U.K.), Jaipur, India
| | - Kshitij Mankad
- From the Sawai Man Singh Medical College (J.G., A.B., M.B., A.G.), Jaipur; Rainbow Children's Hospital (N.R.), Hyderabad, India; Great Ormond Street Hospital for Children (K.M.), London, United Kingdom; and Getwell Poly Clinic and Hospital (U.K.), Jaipur, India
| | - Utkarsh Kabra
- From the Sawai Man Singh Medical College (J.G., A.B., M.B., A.G.), Jaipur; Rainbow Children's Hospital (N.R.), Hyderabad, India; Great Ormond Street Hospital for Children (K.M.), London, United Kingdom; and Getwell Poly Clinic and Hospital (U.K.), Jaipur, India
| | - Anu Bhandari
- From the Sawai Man Singh Medical College (J.G., A.B., M.B., A.G.), Jaipur; Rainbow Children's Hospital (N.R.), Hyderabad, India; Great Ormond Street Hospital for Children (K.M.), London, United Kingdom; and Getwell Poly Clinic and Hospital (U.K.), Jaipur, India
| | - Meenu Bagarhatta
- From the Sawai Man Singh Medical College (J.G., A.B., M.B., A.G.), Jaipur; Rainbow Children's Hospital (N.R.), Hyderabad, India; Great Ormond Street Hospital for Children (K.M.), London, United Kingdom; and Getwell Poly Clinic and Hospital (U.K.), Jaipur, India
| | - Ashok Gupta
- From the Sawai Man Singh Medical College (J.G., A.B., M.B., A.G.), Jaipur; Rainbow Children's Hospital (N.R.), Hyderabad, India; Great Ormond Street Hospital for Children (K.M.), London, United Kingdom; and Getwell Poly Clinic and Hospital (U.K.), Jaipur, India.
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Peters JA, Djanashvili K, Geraldes CF, Platas-Iglesias C. The chemical consequences of the gradual decrease of the ionic radius along the Ln-series. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2019.213146] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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Kato K, Yamaguchi T. Paramagnetic NMR probes for characterization of the dynamic conformations and interactions of oligosaccharides. Glycoconj J 2015; 32:505-13. [PMID: 26050258 DOI: 10.1007/s10719-015-9599-1] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2015] [Revised: 05/19/2015] [Accepted: 05/25/2015] [Indexed: 12/21/2022]
Abstract
Paramagnetism-assisted nuclear magnetic resonance (NMR) techniques have recently been applied to a wide variety of biomolecular systems, using sophisticated immobilization methods to attach paramagnetic probes, such as spin labels and lanthanide-chelating groups, at specific sites of the target biomolecules. This is also true in the field of carbohydrate NMR spectroscopy. NMR analysis of oligosaccharides is often precluded by peak overlap resulting from the lack of variability of local chemical structures, by the insufficiency of conformational restraints from nuclear Overhauser effect (NOE) data due to low proton density, and moreover, by the inherently flexible nature of carbohydrate chains. Paramagnetic probes attached to the reducing ends of oligosaccharides cause paramagnetic relaxation enhancements (PREs) and/or pseudocontact shifts (PCSs) resolve the peak overlap problem. These spectral perturbations can be sources of long-range atomic distance information, which complements the local conformational information derived from J couplings and NOEs. Furthermore, paramagnetic NMR approaches, in conjunction with computational methods, have opened up possibilities for the description of dynamic conformational ensembles of oligosaccharides in solution. Several applications of paramagnetic NMR techniques are presented to demonstrate their utility for characterizing the conformational dynamics of oligosaccharides and for probing the carbohydrate-recognition modes of proteins. These techniques can be applied to the characterization of transient, non-stoichiometric interactions and will contribute to the visualization of dynamic biomolecular processes involving sugar chains.
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Affiliation(s)
- Koichi Kato
- Institute for Molecular Science and Okazaki Institute for Integrative Bioscience, 5-1 Higashiyama, Myodaiji, Okazaki, 444-8787, Japan.
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tababe-dori, Mizuho-ku, Nagoya, 467-8603, Japan.
- The Glycoscience Institute, Ochanomizu University, 2-1-1 Ohtsuka, Bunkyo-ku, Tokyo, 112-8610, Japan.
| | - Takumi Yamaguchi
- Institute for Molecular Science and Okazaki Institute for Integrative Bioscience, 5-1 Higashiyama, Myodaiji, Okazaki, 444-8787, Japan
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tababe-dori, Mizuho-ku, Nagoya, 467-8603, Japan
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Xiong R, Andres J, Scheffler K, Borbas KE. Synthesis and characterisation of lanthanide-hydroporphyrin dyads. Dalton Trans 2015; 44:2541-53. [DOI: 10.1039/c4dt02448f] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Hydroporphyrin-linked lanthanide complexes with variations in tetrapyrrole structure, linker length and mode of attachment are reported.
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Affiliation(s)
- Ruisheng Xiong
- Department of Chemistry – BMC
- Uppsala University
- 75123 Uppsala
- Sweden
| | - Julien Andres
- Department of Chemistry – BMC
- Uppsala University
- 75123 Uppsala
- Sweden
| | - Kira Scheffler
- Department of Chemistry – BMC
- Uppsala University
- 75123 Uppsala
- Sweden
| | - K. Eszter Borbas
- Department of Chemistry – BMC
- Uppsala University
- 75123 Uppsala
- Sweden
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Yamaguchi T, Kamiya Y, Choo YM, Yamamoto S, Kato K. Terminal Spin Labeling of a High-mannose-type Oligosaccharide for Quantitative NMR Analysis of Its Dynamic Conformation. CHEM LETT 2013. [DOI: 10.1246/cl.130040] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Takumi Yamaguchi
- Institute for Molecular Science, National Institutes of Natural Sciences
- Okazaki Institute for Integrative Bioscience, National Institutes of Natural Sciences
- Graduate School of Pharmaceutical Sciences, Nagoya City University
| | - Yukiko Kamiya
- Institute for Molecular Science, National Institutes of Natural Sciences
- Okazaki Institute for Integrative Bioscience, National Institutes of Natural Sciences
- Graduate School of Pharmaceutical Sciences, Nagoya City University
| | - Yeun-Mun Choo
- Institute for Molecular Science, National Institutes of Natural Sciences
- Okazaki Institute for Integrative Bioscience, National Institutes of Natural Sciences
- Department of Chemistry, University of Malaya
| | - Sayoko Yamamoto
- Institute for Molecular Science, National Institutes of Natural Sciences
- Okazaki Institute for Integrative Bioscience, National Institutes of Natural Sciences
- Graduate School of Pharmaceutical Sciences, Nagoya City University
| | - Koichi Kato
- Institute for Molecular Science, National Institutes of Natural Sciences
- Okazaki Institute for Integrative Bioscience, National Institutes of Natural Sciences
- Graduate School of Pharmaceutical Sciences, Nagoya City University
- The Glycoscience Institute, Ochanomizu University
- GLYENCE Co., Ltd
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