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Frequency and Corre...
Frequency and Correlation of Common Genes Copy Number Alterations in Childhood Acute Lymphoblastic Leukemia with Prognosis
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- Hosein Pour Feizi, Abbasali (författare)
- Tabriz University of Medical Sciences
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- Zeinali, Sirous (författare)
- Pasteur Institute of Iran,Kawsar Human Genetics Research Center (KHGRC)
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- Toporski, Jacek (författare)
- Lund University,Lunds universitet,Pediatrik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Paediatrics (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine
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- Sheervalilou, Roghayeh (författare)
- Zahedan University of Medical Sciences
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- Mehranfar, Sahar (författare)
- Urmia University of Medical Sciences
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(creator_code:org_t)
- 2020
- 2020
- Engelska 8 s.
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Ingår i: Asian Pacific journal of cancer prevention : APJCP. - 1513-7368. ; 21:12, s. 3493-3500
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://lup.lub.lu.s...
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- OBJECTIVE: It was shown by genomic profiling that despite no detectable chromosomal abnormalities a proportion of children with pre-B acute lymphoblastic leukemia harbors copy number alterations (CNA) of genes playing role in B-cell development and function. The aim of the study was to determine the frequency of CNA in pediatric acute lymphoblastic leukemia and correlate these findings with clinical outcome. METHODS: DNA extracted from peripheral blood or bone marrow at diagnosis/relapse of fifty newly diagnosed children with precursor B-cell acute lymphoblastic leukemia was analyzed for CNA with multiplex ligation-dependent probe amplification. RESULTS: The analysis revealed 76 CNA in 24 patients most frequently found in PAR1 (17%), CDKN2A/B (15.7%) and PAX5 (14.4%) genes. There were significant CNA co-occurrences between PAX5, CDKN2A/B, BTG1, ETV6, PAR1 or XP22 genes, (p <0.020) and the high-risk group. There was a significant correlation between EBF1, RB1, and IKZF1 alterations and bone marrow relapse. Patients with CNA in screened genes are more likely to succumb to their disease except for those with PAR1 or XP22 genes (p <0.050). CONCLUSION: The multiplex ligation-dependent probe amplification could be considered as an independent diagnostic tool allowing prompt identification of patients at high risk of treatment failure and, subsequently, a more adequate treatment approach.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Hematologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Hematology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Pediatrik (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Pediatrics (hsv//eng)
Nyckelord
- CDKN2A/B
- Childhood acute lymphoblastic leukemia (ALL)
- copy number alterations (CNA)
- multiplex ligation-dependent probe amplification (MLPA)
- PAX5
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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