Using single lectins to enrich glycoproteins in conditioned media

Manveen K. Sethi, Susan Fanayan

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Lectins are sugar-binding proteins that can recognize and bind to carbohydrates conjugated to proteins and lipids. Coupled with mass spectrometry technologies, lectin affinity chromatography is becoming a popular approach for identification and quantification of glycoproteins in complex samples such as blood, tumor tissues, and cell lines. Given the commercial availability of a large number of lectins that recognize diverse sugar structures, it is now possible to isolate and study glycoproteins for biological and medical research. This unit provides a general guide to single-lectin-based enrichment of glycoproteins from serum-free conditioned media. Due to the unique carbohydrate specificity of most lectins and the complexity of the samples, optimization steps may be required to evaluate different elution buffers and methods as well as binding conditions, for each lectin, for optimal recovery of bound glycoproteins.

Original languageEnglish
Pages (from-to)24.6.1-24.6.10
Number of pages10
JournalCurrent Protocols in Protein Science
Volume2015
DOIs
Publication statusPublished - 2015

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