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Cytogenetic and mol...
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Bartuma, HammurabiLund University,Lunds universitet,Avdelningen för klinisk genetik,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Clinical Genetics,Department of Laboratory Medicine,Faculty of Medicine
(author)
Cytogenetic and molecular cytogenetic findings in lipoblastoma.
- Article/chapterEnglish2008
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LIBRIS-ID:oai:lup.lub.lu.se:38122af9-f746-472e-b867-707ba4bf5770
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https://lup.lub.lu.se/record/1154267URI
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https://doi.org/10.1016/j.cancergencyto.2008.01.017DOI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
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Lipoblastoma is a rare benign tumor that arises from embryonic adipose tissue and usually occurs in young children. Here, we present a review of available cytogenetic data and the karyotypes of 10 new cases of lipoblastoma, of which 7 could be studied further by fluorescence in situ hybridization (FISH) with regard to the involvement of the PLAG1 gene. All seven tumors with clonal aberrations harbored breakpoints in 8q11 approximately q13, in agreement with literature data. Including previously published cases, 33/40 (82%) lipoblastomas had rearrangement of the 8q11 approximately q13 region. These rearrangements target the PLAG1 gene, which becomes upregulated through promoter swapping. FISH revealed that five of seven cases in our series had a rearrangement of the PLAG1 gene. Occasionally, there can be difficulties in distinguishing a lipoblastoma from a conventional lipoma or a myxoid liposarcoma. As 8q11 approximately q13 rearrangements have been reported in only 3% of conventional lipomas and never in myxoid liposarcoma, cytogenetic analysis or FISH for the PLAG1 gene can provide useful differential diagnostic information.
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Domanski, HenrykLund University,Lunds universitet,Tumörmikromiljö,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Tumor microenvironment,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine(Swepub:lu)pat-hdo
(author)
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Vult von Steyern, FredrikLund University,Lunds universitet,Ortopedi, Lund,Sektion III,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Orthopaedics (Lund),Section III,Department of Clinical Sciences, Lund,Faculty of Medicine(Swepub:lu)ort-fvu
(author)
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Kullendorff, Carl-MagnusLund 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(Swepub:lu)pedi-cmk
(author)
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Mandahl, NilsLund University,Lunds universitet,Avdelningen för klinisk genetik,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Clinical Genetics,Department of Laboratory Medicine,Faculty of Medicine(Swepub:lu)kgen-nma
(author)
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Mertens, FredrikLund University,Lunds universitet,Avdelningen för klinisk genetik,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Clinical Genetics,Department of Laboratory Medicine,Faculty of Medicine(Swepub:lu)kgen-fme
(author)
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Avdelningen för klinisk genetikInstitutionen för laboratoriemedicin
(creator_code:org_t)
Related titles
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In:Cancer Genetics and Cytogenetics: Elsevier BV183:1, s. 60-630165-4608
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