Linked Life Data

16210847

Source:http://linkedlifedata.com/resource/pubmed/id/16210847

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
2006-2-15
pubmed:abstractText
BACKGROUND: The rapid and reliable identification of biomarkers in the smallest possible amount of blood remains a challenge in biomarker epidemiological research involving preterm newborns. OBJECTIVE: We wanted to explore whether the proteomics approach of 'surface-enhanced laser desorption/ionization-time of flight mass spectrometry' (SELDI-TOF MS) is possible and feasible in whole cord blood previously dried on filter paper. METHODS: Umbilical cord blood from 7 healthy newborns was frozen as serum, whole blood (with or without additives), or dried on filter paper (with or without additives). We used the SELDI-TOF MS technique for protein detection on the ProteinChip arrays: weak cationic exchange array (CM10), hydrophobic array (H50), and strong anion exchange array (Q10). Profiles were compared in terms of peak intensity and number of resolved peaks. Results: Dried neonatal blood, eluted from filter paper, revealed profiles similar to the profiles derived from serum at a protein range of 3-10 kDa. Among additives, heparin led to highest peak intensities for both blood and dried blood. Spectra from heparinized whole blood and heparinized dried blood from the umbilical cord of 8 different healthy newborns on three different types of ProteinChip arrays were very similar. Conclusion: We conclude that it is possible and feasible to use SELDI-TOF MS for recovery and detection of whole proteins from dried blood collected on filter paper. The method is easy to perform in large groups of newborns, minimizing the amount of blood needed for biomarker studies. The validity and reproducibility of this method needs to be studied in detail.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0006-3126
pubmed:author
pubmed:issnType
Print
pubmed:volume
89
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
126-32
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
2006
pubmed:articleTitle
Protein detection in dried blood by surface-enhanced laser desorption/ionization-time of flight mass spectrometry (SELDI-TOF MS).
pubmed:affiliation
Department of Pediatric Pulmonology and Neonatology, Hannover Medical School, Hannover, Germany. dammann.christiane@mh-hannover.de
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't, Research Support, N.I.H., Extramural