Peptide-conjugated glass slides for selective capture and purification of diagnostic cells : Applications in urine cytology

Obtaining a clear view of the cells of interest in diagnostic cytology can be challenging when specimens are contaminated with blood or other obscuring cells. In this study, we present a powerful technique for the selective capture of diagnostic epithelial cells directly on a microscope slide, highl...

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Veröffentlicht in:BioTechniques. - 1993. - 57(2014), 2 vom: 11. Aug., Seite 63-71
1. Verfasser: Wronska, Danuta B (VerfasserIn)
Weitere Verfasser: Krajewska, Magdalena, Lygina, Natalia, Morrison, Juhua C, Juzumiene, Dalia, Culp, W David, Nair, Shrikumar A, Darby, Martyn, Hofmann, Christopher M
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:BioTechniques
Schlagworte:Journal Article bladder cancer cell enrichment epithelial cells immunocytochemistry in vitro diagnostics peptide urine cytology BIRC5 protein, human Carcinoembryonic Antigen mehr... Inhibitor of Apoptosis Proteins Peptides Survivin
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520 |a Obtaining a clear view of the cells of interest in diagnostic cytology can be challenging when specimens are contaminated with blood or other obscuring cells. In this study, we present a powerful technique for the selective capture of diagnostic epithelial cells directly on a microscope slide, highlighting its applications in urine cytology and immunocytochemistry (ICC). Using phage-display biopanning, we identified and synthesized a series of peptides that bind with high affinity to urothelial cells but not blood cells. We developed methods for conjugating the peptides to glass slides, and we used these slides to selectively capture both normal and cancerous epithelial cells from urine contaminated with blood cells. Unlike non-selective microscope slides, the peptide-conjugated slides selectively retained the cells of interest, recovering up to 75% of urothelial cells, while up to 98% of blood cells were washed away. The slides are compatible with Papanicolaou and hematoxylin and eosin (H&E) staining for cytology preparations, as well as ICC for detecting membrane-associated and nuclear cancer markers. We successfully detected the expression of carcinoembryonic antigen and survivin, two commonly measured bladder cancer markers. In addition to bladder cancer diagnostics, this technology has broad applications for increasing the quality of sample preparations in slide-based diagnostic testing 
650 4 |a Journal Article 
650 4 |a bladder cancer 
650 4 |a cell enrichment 
650 4 |a epithelial cells 
650 4 |a immunocytochemistry 
650 4 |a in vitro diagnostics 
650 4 |a peptide 
650 4 |a urine cytology 
650 7 |a BIRC5 protein, human  |2 NLM 
650 7 |a Carcinoembryonic Antigen  |2 NLM 
650 7 |a Inhibitor of Apoptosis Proteins  |2 NLM 
650 7 |a Peptides  |2 NLM 
650 7 |a Survivin  |2 NLM 
700 1 |a Krajewska, Magdalena  |e verfasserin  |4 aut 
700 1 |a Lygina, Natalia  |e verfasserin  |4 aut 
700 1 |a Morrison, Juhua C  |e verfasserin  |4 aut 
700 1 |a Juzumiene, Dalia  |e verfasserin  |4 aut 
700 1 |a Culp, W David  |e verfasserin  |4 aut 
700 1 |a Nair, Shrikumar A  |e verfasserin  |4 aut 
700 1 |a Darby, Martyn  |e verfasserin  |4 aut 
700 1 |a Hofmann, Christopher M  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t BioTechniques  |d 1993  |g 57(2014), 2 vom: 11. Aug., Seite 63-71  |w (DE-627)NLM012627046  |x 1940-9818  |7 nnns 
773 1 8 |g volume:57  |g year:2014  |g number:2  |g day:11  |g month:08  |g pages:63-71 
856 4 0 |u http://dx.doi.org/10.2144/000114195  |3 Volltext 
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