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| 2. |
- Bartuma, Hammurabi, et al.
(författare)
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Assessment of the clinical and molecular impact of different cytogenetic subgroups in a series of 272 lipomas with abnormal karyotype
- 2007
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Ingår i: Genes, Chromosomes and Cancer. - : Wiley. - 1045-2257 .- 1098-2264. ; 46:6, s. 594-606
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Tidskriftsartikel (refereegranskat)abstract
- Conventional lipomas harbor karyotypic changes that could be subdivided into four, usually mutually exclusive, categories: rearrangement, in particular through translocations, of chromosome bands 12q13-15, resulting in deregulation of the HMGA2 gene, loss of material from or rearrangement of chromosome 13, supernumerary ring or giant marker chromosomes, and aberrations of chromosome band 6p21. In the present study, 272 conventional lipomas, two-thirds of them deep-seated, with acquired clonal chromosome changes were assessed with regard to karyotypic and clinical features. A nonrandom distribution of breakpoints and imbalances could be confirmed, with 83% of the cases harboring one or more of the previously known cytogenetic hallmarks. Correlation with clinical features revealed that lipomas with rings/giant markers were larger, occurred in older patients, were more often deep-seated, and seemed to have an increased tendency to recur locally, compared with tumors with other chromosome aberrations. The possible involvement of the HMGA2 gene in cases that did not show any of the characteristic cytogenetic changes was further evaluated by locus-specific metaphase fluorescence in situ hybridization (FISH) and RT-PCR, revealing infrequent cryptic disruption of the gene but abundant expression of full length or truncated transcripts. By FISH, we could also show that breakpoints in bands 10q22-23 do not affect the MYST4 gene, whereas breakpoints in 6p21 or 8q11-12 occasionally target the HMGA1 or PLAG1 genes, respectively, also in conventional lipomas.
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| 5. |
- Billing, V, et al.
(författare)
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Deep-seated ordinary and atypical lipomas - Histopathology, cytogenetics, clinical features, and outcome in 215 tumours of the extremity and trunk wall
- 2008
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Ingår i: Journal of Bone and Joint Surgery: British Volume. - 2044-5377. ; 90B:7, s. 929-933
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Tidskriftsartikel (refereegranskat)abstract
- Deep-seated lipomas are often atypical histologically and are considered by some to have a high risk of recurrence after excision. We reviewed 215 deep-seated lipomas of the extremities and trunk wall with reference to histology, cytogenetics, clinical features and local recurrence. We classified tumours with atypical features and/or ring chromosomes as atypical lipomas. These were more common in men, larger than ordinary lipomas and more often located in the upper leg. The annual incidence was estimated as ten per million inhabitants and the ratio of atypical to ordinary lipomas was 1:3. In total, six tumours (3%), recurred locally after a median of eight years (1 to 16); of these, four were classified as atypical. The low recurrence rate of deep-seated lipomas of the extremity or trunk wall, irrespective of histological subtype, implies that if surgery is indicated, the tumour may be shelled out, that atypical lipomas in these locations do not deserve the designation well-differentiated liposarcoma, and that routine review after surgery is not required.
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| 7. |
- Carneiro, Ana, et al.
(författare)
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Indistinguishable genomic profiles and shared prognostic markers in undifferentiated pleomorphic sarcoma and leiomyosarcoma: different sides of a single coin?
- 2009
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Ingår i: Laboratory Investigation. - : Elsevier BV. - 1530-0307 .- 0023-6837. ; 89, s. 668-675
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Tidskriftsartikel (refereegranskat)abstract
- Soft tissue sarcoma (STS) diagnostics and prognostics are challenging, particularly in highly malignant and pleomorphic subtypes such as undifferentiated pleomorphic sarcoma (UPS) and leiomyosarcoma (LMS). We applied 32K BAC arrays and gene expression profiling to 18 extremity soft tissue LMS and 31 extremity soft tissue UPS with the aim of identifying molecular subtype signatures and genomic prognostic markers. Both the gains/losses and gene expression signatures revealed striking similarities between UPS and LMS, which were indistinguishable using unsupervised hierarchical cluster analysis and significance analysis for microarrays. Gene expression analysis revealed just nine genes, among them tropomyosin beta, which were differentially expressed. Loss of 4q31 (encompassing the SMAD1 locus), loss of 18q22, and tumor necrosis were identified as independent predictors of metastasis in multivariate stepwise Cox regression analysis. Combined analysis applying loss of 4q31 and 18q22 and the presence of necrosis improved the area under receiver operating characteristic curve for metastasis prediction from 0.64 to 0.86. The extensive genetic similarities between extremity soft tissue UPS and LMS suggest a shared lineage of these STS subtypes and the new and independent genetic prognosticators identified hold promise for refined prognostic determination in high-grade, genetically complex STS.Laboratory Investigation advance online publication, 16 March 2009; doi:10.1038/labinvest.2009.18.
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| 8. |
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Code - The enemy within
- 2006
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Konstnärligt arbeteabstract
- Komposition, arrangering, musicerande (bas, gitarr, keyboards), inspelning, mixning och producent för skivan The enemy within med bandet Code. 12 st låtar där jag komponerar alla spår och Sherwood Ball skriver texterna.
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| 9. |
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Demon "Kakka" Kogure - Atsukunare singel
- 2009
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Konstnärligt arbeteabstract
- Arrangemang, musicerande (bas, gitarr, keyboards), inspelning, mixning och produktion av singeln (3 låtar) Atsukunare (AVCD-31536) för den japanska artisten Demon "Kakka" Kogure. En av låtarna är också skriven av Anders Rydholm (One Way Ticket To Hell).
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Demon "Kakka" Kogure - Girls Rock
- 2007
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Konstnärligt arbete (ljud/tal)abstract
- Arrangemang, musicerande (bas, gitarr, keyboards), inspelning, mixning och produktion av fullängdsskivan (11 låtar) Girls Rock (AVCD-23087) för den japanska artisten Demon "Kakka" Kogure.
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