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Title: The application of glycosphingolipid arrays to autoantibody detection in neuroimmunological disorders
Author: Galban Horcajo, Francesc
ISNI:       0000 0004 5352 8474
Awarding Body: University of Glasgow
Current Institution: University of Glasgow
Date of Award: 2014
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Serum autoantibodies directed towards a wide range of single glycosphingolipids, especially gangliosides, in humans with autoimmune peripheral neuropathies have been extensively investigated since the 1980s and these are widely measured both in clinical practice and research. It has been recently appreciated that glycosphingolipid and lipid complexes, formed from 2 or more individual components, can interact to create molecular shapes capable of being recognised by autoantibodies that do not bind the individual components. Conversely, 2 glycosphingolipids may interact to form a heteromeric complex that inhibits binding of an antibody known to bind one of the partners. As a result of this, previously undiscovered autoantibodies have been identified, providing substantial new insights into disease pathogenesis and diagnostic testing. In particular, this newly-termed ‘combinatorial glycomic’ approach has provided the impetus to redesigning the assay methodologies traditionally used in the neuropathy-associated autoantibody field. Combinatorial glycoarrays can be readily constructed in house using any lipids and glycosphingolipids of interest, and as a result many new antibody specificities to gangliosides and other glycosphingolipid complexes are being discovered in neuropathy subjects. Herein we also highlight the role of the neutral lipids cholesterol and galactocerebroside in modifying glycosphingolipid orientation as two critical components of the molecular topography of target membranes in nerves that might favour or inhibit autoantibody binding.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available
Keywords: QR180 Immunology