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Genome wide gene expression profiles of Drosophila l(3)mbt larval brains and cultured tumors

ABSTRACT: Mutants in the Drosophila gene lethal (3) malignant brain tumor cause malignant growth in the larval brain. This data shows the changes in gene expression profile associated to mutations in l(3)mbt, both in situ in third instar larval brains and in tumors cultured for 1 5 and 10 (T1, T5, T10) rounds of allograft culture We performed genome-wide gene expression profiling of l(3)mbt[E2] and l(3)mbt[ts1] homozygous and transheterozygous larval brains raised at restrictive temperatures (29º C). We obtained three replicates for l(3)mbt[E2] at 17ªC (MBT_E2_17), l(3)mbt[ts1] at 17ºC (MBT_TS1_17), l(3)mbt[E2] at 29ºC (MBT_E2_29) and the transheterozygous at 29ºC (MBT_TS1_ME2), and six replicates l(3)mbt[ts1] at 29ºC (MBT_TS1_29). We also obtained three replicates for l(3)mbt[ts1] tumors at the first (T1), fifth (T5) and tenth (T10) round of allograft culture in adult flies, and six replicates for wild type w[1118] flies (WT).

ORGANISM(S): Drosophila melanogaster

SUBMITTER: David Rossell 

PROVIDER: E-GEOD-24917 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Ectopic expression of germline genes drives malignant brain tumor growth in Drosophila.

Janic Ana A   Mendizabal Leire L   Llamazares Salud S   Rossell David D   Gonzalez Cayetano C  

Science (New York, N.Y.) 20101201 6012

Model organisms such as the fruit fly Drosophila melanogaster can help to elucidate the molecular basis of complex diseases such as cancer. Mutations in the Drosophila gene lethal (3) malignant brain tumor cause malignant growth in the larval brain. Here we show that l(3)mbt tumors exhibited a soma-to-germline transformation through the ectopic expression of genes normally required for germline stemness, fitness, or longevity. Orthologs of some of these genes were also expressed in human somatic  ...[more]

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