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A common experimental setup to investigate the function of a microRNA is a â??gain-of-functionâ?? approach, in which the microRNA of interest is overexpressed to analyze its impact on a given process. However, a major drawback of this technique is that microRNAs, when expressed significantly above e...
ORGANISM(S): Mus musculus 
Here, we have screened a miRNA expression library in a pre-B cell expression system to identify miRNAs with a potential oncogenic activity in early lymphocytes. We show that miR-125b is sufficient to transform B cell precursors in vitro as defined by growth factor independence, and demonstrate that ...
ORGANISM(S): Mus musculus 
To elucidate the mechanism of BCL6-mediated pre-B cell survival signaling, we investigated the gene expression pattern in BCR-ABL1-transformed BCL6+/+ and BCL6-/- B cell precursors. Pharmacological inhibition of BCR-ABL1 was performed with the BCR-ABL1 kinase inhibitor STI571 (Imatinib). BCR-ABL1 t...
ORGANISM(S): Mus musculus 
This analysis focused on identifying factors that protect pre-B cells against DNA double strand break (DSB)-mediated DNA damage stress during pre-B cell differentiation. Differentiation of pre-B cells including immunoglobulin light chain gene recombination were performed by withdrawal of interleuki...
ORGANISM(S): Mus musculus 
Circular RNAs (circRNAs) are an endogenous class of animal RNAs. Despite their abundance, their function and expression in the nervous system are unknown. Therefore, we sequenced RNA from different brain regions, primary neurons, isolated synapses, as well as during neuronal differentiation. Using t...
ORGANISM(S): Homo sapiens 
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