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- Békássy, Albert, et al.
(author)
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Hepatocellular carcinoma associated with arteriohepatic dysplasia in a 4-year-old girl
- 1992
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In: Medical and Pediatric Oncology. - : Wiley. - 1096-911X .- 0098-1532. ; 20:1, s. 78-83
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Journal article (peer-reviewed)abstract
- Hepatocellular carcinoma and obliterated hepatic bile duct were found at postmortem examination in a 4-year-old girl with arteriohepatic dysplasia (Alagille's syndrome). AFP level was extremely high. Liver cirrhosis was present on percutaneous needle biopsy 9 months before she succumbed in progressive liver failure. Episodes of repeated gastrointestinal, life-threatening hemorrhages occurred during the last 6 months of her life. Histopathologic findings of the eyes were documented at autopsy.
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- Békássy, Albert, et al.
(author)
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Pharmacokinetics of cytosine arabinoside in cerebrospinal fluid and of its metabolite in leukemic cells
- 1990
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In: Medical and Pediatric Oncology. - : Wiley. - 1096-911X .- 0098-1532. ; 18:2, s. 136-142
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Journal article (peer-reviewed)abstract
- Concentrations of ara-CTP in leukemic cells isolated from CSF and of ara-C in lumbar CSF were measured following intraventricular ara-C administration in two girls with refractory meningeal leukemia. CSF samples were collected with a permanent intrathecal-lumbar catheter. In contrast to the comparatively short retention of ara-C in the CSF (t1/2 1.8 to 2.9 hours), there was a high accumulation and an extremely long retention of ara-CTP in the leukemic cells (t1/2 8.1 to 36 hours). The patients included in this study had an ara-C-resistant disease. No obvious relationship was seen between concentrations of ara-C in the CSF and of ara-CTP in the leukemic cells. Similar studies were performed after simultaneous intraventricular administration of hydrocortison and ara-C. Hydrocortison did not increase ara-CTP retention in the leukemic cells, nor did it effect CSF pleocytosis.
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- Ejeskär, Katarina, 1969, et al.
(author)
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Fine mapping of a tumour suppressor candidate gene region in 1p36.2-3, commonly deleted in neuroblastomas and germ cell tumours.
- 2001
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In: Medical and pediatric oncology. - 0098-1532 .- 1096-911X. ; 36:1, s. 61-6
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Journal article (peer-reviewed)abstract
- BACKGROUND: A common genetic feature of neuroblastomas, which is also an important prognostic factor, is deletion of chromosome region 1p. The deletion of 1p often involves a deletion of varying size, with a consensus region within the most distal bands 1p36.2-3. The neuroblastoma SRO (shortest region of overlap of (deletions) presented earlier by our group was defined distally by the cluster of loci D1S80/ D1Z2/CDC2L1 and proximally by loci D1S244, i.e., approximately 25 cM. The 1p deletions are, however, not restricted to neuroblastoma tumours. In fact, a large spectrum of tumour types display deletions to varying degrees of 1p. PROCEDURE: We have exploited the possibility of using deletions of other tumour types, preferentially that of germ cell tumours, and combining the deletions with that of the neuroblastoma SRO. Also in germ cell tumours, distal 1p-deletions have been shown to have prognostic significance. RESULTS: We found in our germ cell tumours a SRO ranging from D1S508 to D1S200. Interestingly, this region only partially overlapped (approximately 5 cm) with our neuroblastoma SRO in region D1S508 to D1S244. We have thus focused on analysing this smaller region in the search for genes involved in the genesis of different cancers. We have performed radiation hybrid mapping of a large number of markers, STSs, ESTs, and others known to reside in 1p. We have also initiated the development of a BAC contig of the region. FISH, and fibre-FISH mapping of BACs were also performed. CONCLUSIONS: The data presented here constitute an ongoing work with the aim of identifying and cloning gene(s) important for development of germ cell tumours, neuroblastomas, and possibly other tumours.
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