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BACKGROUND Although large scale informatics studies on introns can be useful in making broad inferences concerning patterns of intron gain and loss, more specific questions about intron evolution at a finer scale can be addressed using a gene family where structure and function are well known. Genome wide surveys of tetraspanins from a broad array of(More)
By analyzing the evolution of cysteine patterns in the large extracellular loop (LEL) of tetraspanins across all eukaryotes, we report the following: (1) the origin of the cysteine-cysteine-glycine (CCG) motif in the common ancestor of unikonts (Animalia, fungi and amoebozoa); (2) tracing cysteine motifs on an eukaryotic phylogeny which includes protists,(More)
Aberrant activation of MAP kinase signaling pathway and loss of tumor suppressor LKB1 have been implicated in lung cancer development and progression. Although oncogenic KRAS mutations are frequent, BRAF mutations (BRAF(V600E)) are found in 3% of human non-small cell lung cancers. Contrary to KRAS mutant tumors, BRAF(V600E)-induced tumors are benign(More)
Elisidepsin (elisidepsin trifluoroacetate, Irvalec®, PM02734) is a new synthetic depsipeptide, a result of the PharmaMar Development Program that seeks synthetic products of marine origin-derived compounds. Elisidepsin is a drug with antiproliferative activity in a wide range of tumors. In the present work we studied and characterized the mechanisms(More)
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