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Title: Lectin microarray profiling of metastatic breast cancers
Authors: Fry SA; Afrough B; Lomax-Browne HJ; Timms JF; Velentzis LS; Leathem AJ
Categories: Cancer Type - Breast Cancer
Early Detection, Diagnosis, and Prognosis - Technology and/or Marker Testing in a Clinical Setting
Etiology - Interactions of Genes and/or Genetic Polymorphisms with Exogenous and/or Endogenous Factors
Keywords: analysis; breast; cancer; detection; Research; Women; Women's Health
Year: 2011
Journal Title: Glycobiology
Volume: 21
Issue: 8
Page number start: 1060
Page number end: 1070
Abstract: Altered protein glycosylation compared with the disease-free state is a universal feature of cancer cells. It has long been established that distinct glycan structures are associated with specific forms of cancer, but far less is known about the complete array of glycans associated with certain tumors. The cancer glycome has great potential as a source of biomarkers, but progress in this field has been hindered by a lack of available techniques for the elucidation of disease-associated glycosylation. In the present study, lectin microarrays consisting of 45 lectins with different binding preferences covering N- and O-linked glycans were coupled with evanescent-field activated fluorescent detection in the glycomic analysis of primary breast tumors and the serum and urine of patients with metastatic breast cancer. A single 50 microm section of a primary breast tumor or <1 microL of breast cancer patient serum or urine was sufficient to detect glycosylation alterations associated with metastatic breast cancer, as inferred from lectin-binding patterns. The high-throughput, sensitive and relatively simple nature of the simultaneous analysis of N- and O-linked glycosylation following minimal sample preparation and without the need for protein deglycosylation makes the lectin microarray analysis described a valuable tool for discovery phase glycomic profiling
Programme: Other
Division: Cancer Research Division
URI: http://researchpubs.cancercouncil.com.au/cancercounciljspui/handle/1/1531
Appears in Collections:Research Articles

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