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The age of adult pilocytic astrocytoma cells
- Voronina, N (author)
- Aichmuller, C (author)
- Kolb, T (author)
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- Korshunov, A (author)
- Ryzhova, M (author)
- Barnholtz-Sloan, J (author)
- Cioffi, G (author)
- Sill, M (author)
- von Deimling, A (author)
- Pfister, SM (author)
- Gronych, J (author)
- Jones, DTW (author)
- Zapatka, M (author)
- Ernst, A (author)
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- (creator_code:org_t)
- 2021-03-17
- 2021
- English.
- In: Oncogene. - : Springer Science and Business Media LLC. - 1476-5594 .- 0950-9232. ; 40:16, s. 2830-2841
- Journal article (peer-reviewed)
Abstract
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- Adult pilocytic astrocytomas (PAs) have been regarded as indistinguishable from pediatric PAs in terms of genome-wide expression and methylation patterns. It has been unclear whether adult PAs arise early in life and remain asymptomatic until adulthood, or whether they develop during adulthood. We sought to determine the age and origin of adult human PAs using two types of “marks” in the genomic DNA. First, we analyzed the DNA methylation patterns of adult and pediatric PAs to distinguish between PAs of different anatomic locations (n = 257 PA and control brain tissues). Second, we measured the concentration of nuclear bomb test-derived 14C in genomic DNA (n = 14 cases), which indicates the time point of the formation of human cell populations. Our data suggest that adult and pediatric PAs developing in the infratentorial brain are closely related and potentially develop from precursor cells early in life, whereas supratentorial PAs might show age and location-specific differences.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Medicinsk genetik (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Medical Genetics (hsv//eng)
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- By the author/editor
- Voronina, N
- Aichmuller, C
- Kolb, T
- Korshunov, A
- Ryzhova, M
- Barnholtz-Sloan, ...
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- Cioffi, G
- Sill, M
- von Deimling, A
- Pfister, SM
- Gronych, J
- Jones, DTW
- Frisen, J
- Zapatka, M
- Ernst, A
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- About the subject
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- MEDICAL AND HEALTH SCIENCES
- MEDICAL AND HEAL ...
- and Clinical Medicin ...
- and Cancer and Oncol ...
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- MEDICAL AND HEALTH SCIENCES
- MEDICAL AND HEAL ...
- and Basic Medicine
- and Medical Genetics
- Articles in the publication
- Oncogene
- By the university
- Karolinska Institutet
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