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  • Berois, Nora (author)

ppGalNAc-TI3 : A new molecular marker of bone marrow involvement in neuroblastoma

  • Article/chapterEnglish2006

Publisher, publication year, extent ...

  • 2006-09-01
  • Oxford University Press (OUP),2006
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:liu-37641
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-37641URI
  • https://doi.org/10.1373/clinchem.2006.067975DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Background: To identify new molecular markers of bone marrow dissemination in human neuroblastoma (NB), we studied the transcriptome profiles of malignant neuroblasts established from the human MYCN-amplified IGR-N-91 model. Methods: This experimental model includes human neuroblastoma cells derived from & subcutaneous stage 4 disease, myocardium (Myoc) and bone marrow (BM) metastatic cells. Results: Gene expression profiles obtained with Agilent oligo microarrays revealed a set of 107 differentially expressed genes in the metastatic neuroblasts. This set included up-regulated genes involved in chemoresistance, cell motility, neuronal structure/signaling, and the recently characterized GALNT13 gene encoding a glycosyltransferase that initiates mucin-type O-glycosylation. Because the glycosylation process is involved in the progression of primary tumor to metastatic disease, we investigated whether the most strongly upregulated gene, GALNT13, might be a marker of bone marrow involvement in stage 4 NB patients. Importantly, in the BM of healthy adults no GALNT13 transcript was detected with analysis by quantitative (n = 3) and nested reverse transcription-PCR (n = 4) assays. In contrast, GALNT13 transcripts were detected in 23/23 cytologically involved BM samples obtained at diagnosis of stage 4 NB patients and in 5/27 cytologically noninvolved BM samples obtained from patients with stage 1-4 and 4S and treated stage 4 NB. The quantitative measurements of tyrosine hydroxylase (TH), ganglioside D2 synthase, dopa decarboxylase, and GALNT13 transcript values were compared in the same NB patients, and the results showed that GALNT13 expression was most highly correlated to poor clinical outcome at diagnosis. Conclusion: We propose ppGalNAc-T13 as a new informative marker for the molecular diagnosis of BM involvement and the follow-up of minimal residual disease in NB patients. © 2006 American Association for Clinical Chemistry.

Subject headings and genre

  • MEDICINE
  • MEDICIN

Added entries (persons, corporate bodies, meetings, titles ...)

  • Blanc, Etienne (author)
  • Ripoche, Hugues (author)
  • Mergui, Xénia (author)
  • Trajtenberg, Felipe (author)
  • Cantais, Sabrina (author)
  • Barrois, Michel (author)
  • Dessen, Philippe (author)
  • Kågedal, Bertil,1943-Östergötlands Läns Landsting,Linköpings universitet,Hälsouniversitetet,Avdelningen för klinisk kemi,Klinisk kemi(Swepub:liu)berka70 (author)
  • Bénard, Jean (author)
  • Osinaga, Eduardo (author)
  • Raguénez, Gilda (author)
  • Linköpings universitetHälsouniversitetet (creator_code:org_t)

Related titles

  • In:Clinical Chemistry: Oxford University Press (OUP)52:9, s. 1701-17120009-91471530-8561

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