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001-es BibID:	BIBFORM065344
Első szerző:	Niini, Tarja
Cím:	Expression of myeloid-specific genes in childhood acute lymphoblastic leukemia : a cDNA array study / T. Niini, K. Vettenranta, J. Hollmén, M. L. Larramendy, Y. Aalto, H. Wikman, B. Nagy, J. K. Seppänen, A. Ferrer Salvador, H. Mannila, U. M. Saarinen-Pihkala, S. Knuutila
Dátum:	2002
ISSN:	0887-6924
Megjegyzések:	Several specific cytogenetic changes are known to be associated with childhood acute lymphoblastic leukemia (ALL), and many of them are important prognostic factors for the disease. Little is known, however, about the changes in gene expression in ALL. Recently, the development of cDNA array technology has enabled the study of expression of hundreds to thousands of genes in a single experiment. We used the cDNA array method to study the gene expression profiles of 17 children with precursor-B ALL. Normal B cells from adenoids were used as reference material. We discuss the 25 genes that were most over-expressed compared to the reference. These included four genes that are normally expressed only in the myeloid lineages of the hematopoietic cells: RNASE2, GCSFR, PRTN3 and CLC. We also detected over-expression of S100A12, expressed in nerve cells but also in myeloid cells. In addition to the myeloid-specific genes, other over-expressed genes included AML1, LCP2 and FGF6. In conclusion, our study revealed novel information about gene expression in childhood ALL. The data obtained may contribute to further studies of the pathogenesis and prognosis of childhood ALL.
Tárgyszavak:	Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban expression gene myeloid ALL CDNA array
Megjelenés:	Leukemia. - 16 : 11 (2002), p. 2213-2221. -
További szerzők:	Vettenranta, Kim Hollmén, Jaakko Larramendy, Marcelo L. Aalto, Yan Wikman, Harriet Nagy Bálint (1956-) (molekuláris genetikus) Seppänen, Jouni K. Salvador, Aurora Ferrer Mannila, Heikki Saarinen-Pihkala, Ulla Maija Knuutila, Sakari
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
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001-es BibID:	BIBFORM065342
Első szerző:	Zhu, Ying
Cím:	Investigatory and analytical approaches to differential gene expression profiling in mantle cell lymphoma / Ying Zhu, Jaakko Hollmén, Riikka Räty, Yan Aalto, Balint Nagy, Erkki Elonen, Juha Kere, Heikki Mannila, Kaarle Franssila, Sakari Knuutila
Dátum:	2002
ISSN:	0007-1048
Megjegyzések:	Mantle cell lymphoma (MCL) is a non-Hodgkin's lymphoma of B-cell lineage. The blastoid variant of MCL, characterized by high mitotic rate, is clinically more aggressive than common MCL. We used the cDNA array technology to examine the gene expression profiles of both blastoid variant and common MCL. The data was analysed by regression analysis, principal component analysis and the naive Bayes' classifier. Eight genes were identified as differentially deregulated between the two groups. Oncogenes CMYC, BCL2 and PIM1 were upregulated more frequently in the blastoid variant than in common MCL. This implied that the gp130-mediated signal transducer and activator of transcription 3 (STAT3) signalling pathway was involved in the blastoid variant transformation of MCL. Other differentially deregulated genes were TOP1, CD23, CD45, CD70 and NFATC. By using the eight differentially deregulated genes, we created a classifier to distinguish the blastoid variant from common MCL with high accuracy. We also identified 18 genes that were deregulated in both groups. Among them, BCL1, CALLA/CD10 and GRN were suggested to be oncogenes. The products of RGS1, RGS2, ANX2 and CD44H were suggested to promote tumour metastasis. CD66D was suggested to be a tumour suppressor gene.
Tárgyszavak:	Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk gene expression mantle cell lymphoma
Megjelenés:	British Journal Of Haematology. - 119 (2002), p. 905-915. -
További szerzők:	Hollmén, Jaakko Räty, Riikka Aalto, Yan Nagy Bálint (1956-) (molekuláris genetikus) Elonen, Erkki Kere, Juha Mannila, Heikki Franssila, Kaarle Knuutila, Sakari
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