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Mantle cell lymphom...
Mantle cell lymphoma displays a homogenous methylation profile : A comparative analysis with chronic lymphocytic leukemia
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- Halldorsdottir, Anna Margret (författare)
- Uppsala universitet,Hematologi och immunologi,Rosenquist Brandell
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- Kanduri, Meena (författare)
- Uppsala universitet,Hematologi och immunologi,Rosenquist Brandell
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- Marincevic, Millaray (författare)
- Uppsala universitet,Hematologi och immunologi,Rosenquist Brandell
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- Mansouri, Larry (författare)
- Uppsala universitet,Hematologi och immunologi,Rosenquist Brandell
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- Isaksson, Anders (författare)
- Uppsala universitet,Institutionen för medicinska vetenskaper,Cancerfarmakologi och beräkningsmedicin
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- Göransson, Hanna (författare)
- Uppsala universitet,Institutionen för medicinska vetenskaper,Cancerfarmakologi och beräkningsmedicin
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- Axelsson, Tomas (författare)
- Uppsala universitet,Molekylär medicin,Science for Life Laboratory, SciLifeLab
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- Agarwal, Prasoon (författare)
- Uppsala universitet,Hematologi och immunologi,Jernberg-Wiklund
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- Jernberg-Wiklund, Helena (författare)
- Uppsala universitet,Hematologi och immunologi,Jernberg-Wiklund
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- Stamatopoulos, Kostas (författare)
- Hematology Department and HCT Unit, G. Papanicolaou Hospital, Thessaloniki, Greece
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- Sander, Birgitta (författare)
- Karolinska Institutet
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- Ehrencrona, Hans (författare)
- Lund University,Lunds universitet,Uppsala universitet,Medicinsk genetik,Hellström Pigg,Avdelningen för klinisk genetik,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Clinical Genetics,Department of Laboratory Medicine,Faculty of Medicine
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- Rosenquist, Richard (författare)
- Uppsala universitet,Hematologi och immunologi,Rosenquist Brandell
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(creator_code:org_t)
- 2012-02-28
- 2012
- Engelska.
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Ingår i: American Journal of Hematology. - : John Wiley & Sons. - 0361-8609 .- 1096-8652. ; 87:4, s. 361-367
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Mantle cell lymphoma (MCL) and chronic lymphocytic leukemia (CLL) are mature CD5(+) B-cell malignancies with different biological/clinical characteristics. We recently reported an association between different prognostic subgroups of CLL (i.e., IGHV mutated and unmutated) and genomic methylation pattern. However, the relationship between DNA methylation and prognostic markers, such as the proliferation gene expression signature, has not been investigated in MCL. We applied high-resolution methylation microarrays (27,578 CpG sites) to assess the global DNA methylation profiles in 20 MCL (10 each with high/low proliferation signature) and 30 CLL (15 poor-prognostic IGHV unmutated subset #1 and 15 good-prognostic IGHV mutated subset #4) samples. Notably, MCL and each CLL subset displayed distinct genomic methylation profiles. After unsupervised hierarchical clustering, 17/20 MCL cases formed a cluster separate from CLL, while CLL subsets #1 and #4 formed subclusters. Surprisingly, few differentially methylated genes (n = 6) were identified between high vs. low proliferation MCL. In contrast, distinct methylation profiles were demonstrated for MCL and CLL. Importantly, certain functional classes of genes were preferentially methylated in either disease. For instance, developmental genes, in particular homeobox transcription factor genes (e.g., HLXB9, HOXA13), were more highly methylated in MCL, whereas apoptosis-related genes were enriched among targets methylated in CLL (e.g., CYFIP2, NR4A1). Results were validated using pyrosequencing, RQ-PCR and reexpression of specific genes. In summary, the methylation profile of MCL was homogeneous and no correlation with the proliferation signature was observed. Compared to CLL, however, marked differences were discovered such as the preferential methylation of homeobox genes in MCL.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Hematologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Hematology (hsv//eng)
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Halldorsdottir, ...
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Kanduri, Meena
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Marincevic, Mill ...
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Mansouri, Larry
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Isaksson, Anders
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Göransson, Hanna
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visa fler...
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Axelsson, Tomas
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Agarwal, Prasoon
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Jernberg-Wiklund ...
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Stamatopoulos, K ...
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Sander, Birgitta
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Ehrencrona, Hans
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Rosenquist, Rich ...
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