Linked Life Data

15251951

Source:http://linkedlifedata.com/resource/pubmed/id/15251951

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:dateCreated
2004-7-14
pubmed:abstractText
Analysis of cell-free fetal DNA (fDNA) and RNA in maternal plasma could be useful in the diagnosis and management of complications of pregnancy. In this review, we discuss our studies to investigate the potential of fetal nucleic acid measurement in maternal plasma as a marker of fetomaternal hemorrhage (FMH) after elective first-trimester termination of pregnancy (TOP). Using quantitative real-time PCR amplification of the DYS1 sequence, elevation of plasma fDNA levels after TOP was observed, especially in the late first trimester. This corresponds with the functional development of the placental vascular structure and fetal hematopoiesis. This Y sequence-based PCR amplification assay, however, limits the analysis to pregnant women carrying male fetuses. Therefore, we also developed a real-time quantitative reverse-transcriptase PCR assay of the gamma-globin transcript as a marker of fetal erythroid cells. Although plasma gamma-globin mRNA levels were decreased after TOP in many patients, an elevation was observed in some patients at greater than 9 weeks' gestation, which is consistent with the increase in plasma fDNA levels. Our data suggest that fetal hematopoietic cells contribute to the pool of fetal nucleic acids in the maternal circulation. Measurement of cell-free fetal nucleic acid levels in maternal plasma may have clinical application as a novel marker of FMH after 9 weeks of gestation.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
0077-8923
pubmed:author
pubmed:issnType
Print
pubmed:volume
1022
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
129-34
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
2004
pubmed:articleTitle
Circulating cell-free fetal nucleic acid analysis may be a novel marker of fetomaternal hemorrhage after elective first-trimester termination of pregnancy.
pubmed:affiliation
Division of Genetics, Department of Pediatrics, Tufts-New England Medical Center, Boston, Massachusetts 02111, USA.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't