The subcellular localization and targeting pathway of hyaluronidase1

dc.contributor.authorPatel, Nehal
dc.contributor.examiningcommitteeDr. Gilbert Arthur (Biochemistry and Medical Genetics) Dr. John Wilkins (Internal medicine/Immunology)en
dc.contributor.supervisorDr. Barbara Triggs-Raine (Biochem. and Med. Genetics) Dr. Steve Pind (Biochem. and Med. Genetics)en
dc.date.accessioned2006-04-04T15:30:16Z
dc.date.available2006-04-04T15:30:16Z
dc.date.issued2006-04-04T15:30:16Z
dc.degree.disciplineBiochemistry and Medical Geneticsen_US
dc.degree.levelMaster of Science (M.Sc.)en_US
dc.description.abstractHyaluronidases are endoglycosidases that catabolize hyaluronan, an abundant component of the extracellular matrix surrounding vertebrate cells. We characterized one of the hyaluronidases, HYAL1, an enzyme deficient in the lysosomal storage disorder Mucopolysaccharidosis IX. HYAL1 stably expressed in BHK cells resulted in several intracellular forms, but only one secreted form. Secretion was not increased by weak bases, and no phosphate was incorporated in metabolic labeling, suggesting this enzyme is not targeted to the lysosome by the mannose 6-phosphate dependent pathway. Further analysis revealed the various forms of HYAL1 differ only in glycosylation, and are all active at pH 3.8. The forms migrated in a Percol density gradient similarly to an endosomal marker, and with partial overlap with the lysosomal marker LPG120 (Lamp1).en
dc.description.noteMay 2006en
dc.format.extent4985394 bytes
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/1993/233
dc.language.isoengen_US
dc.rightsopen accessen_US
dc.subjectHyaluronanen
dc.subjectHyal1
dc.titleThe subcellular localization and targeting pathway of hyaluronidase1en
dc.typemaster thesisen_US
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