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Quantitative analysis of tyrosine hydroxylase mrna for sensitive detection of neuroblastoma cells in blood and bone marrow
Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för biomedicin och kirurgi, Klinisk kemi.
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2003 (Engelska)Ingår i: Clinical Chemistry, ISSN 0009-9147, E-ISSN 1530-8561, Vol. 49, nr 1, s. 104-112Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Background: Sensitive monitoring of minimal residual disease may improve the treatment of neuroblastoma in children. To detect and monitor neuroblastoma cells in blood and bone marrow, we developed a quantitative method for the analysis of tyrosine hydroxylase mRNA. Methods: We used real-time reverse transcription-PCR. The calibrator was constructed from a segment of tyrosine hydroxylase mRNA that included the target. Blood and bone marrow samples from 24 children with neuroblastoma and 1 child with ganglioneuroma were analyzed. Controls were blood samples from the cords of 40 babies, from 58 children 6 months to 15 years of age, and from 34 healthy adults, as well as from 12 children with other diseases. Results: The detection limit was ~70 transcripts/mL. All 144 blood controls were below this limit. At diagnosis, blood tyrosine hydroxylase mRNA was higher in children with widespread disease (stage 4/4S, n = 6, range, 203-46 000 transcripts/mL) than in patients with localized disease (stages 1-3, n = 6, =83 transcripts/mL, P = 0.002). Bone marrow from all five children with localized disease had concentrations <72 transcripts/mL, whereas five of six stage 4 patients had increased concentrations (6000-8 000 000 transcripts/mL, P <0.05). In nine children in whom tyrosine hydroxylase mRNA was measured repeatedly, the results corresponded to the clinical course. Conclusion: Quantitative analysis of tyrosine hydroxylase mRNA in blood and bone marrow is reliable and easy to perform and may be used for upfront staging, prognostic assessment, and treatment monitoring of neuroblastoma.

Ort, förlag, år, upplaga, sidor
2003. Vol. 49, nr 1, s. 104-112
Nationell ämneskategori
Medicin och hälsovetenskap
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URN: urn:nbn:se:liu:diva-25187DOI: 10.1373/49.1.104Lokalt ID: 9626OAI: oai:DiVA.org:liu-25187DiVA, id: diva2:245514
Tillgänglig från: 2009-10-07 Skapad: 2009-10-07 Senast uppdaterad: 2017-12-13

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Träger, ChatarinaKullman, AnitaKågedal, Bertil

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