Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Gene expression profile of regenerating intestine in the sea cucumber H. glaberrima

ABSTRACT: Regenerating intestine tissues were compared with normal (non-regenerating tissues) to determine the gene expression profile at early stages of regeneration (3, 7 and 14 days post- evisceration (dpe)). Immuno activated tissues with LPS were compared with Normal (non-regenerating tissues) and regenerating tissues (3 and 7 dpe) to determine the gene expression of immune related genes in the sea cucumber and it's expression during early stages of regeneration. 16 Total arrays. 8 comparisons with 8 dye swap replicates. Normal Vs. (3, 7 and 14 days of regeneration), and Vs. (LPS) 2 microarray slides used. Each slide with 8 Arrays (8 x 15k). 15,744 probes printed per array. (all 16 arrays are identically printed). 7,209 ESTs from Normal, 3 dpe and 7 dpe tissues were used to design the probes. Two probes per EST from diferent regions of the sequence (as a technical replicate). 536 technical controls and more than 600 internal biological controls (from different species).

ORGANISM(S): Holothuria glaberrima

SUBMITTER: Jose Garca-Arraras 

PROVIDER: E-GEOD-16182 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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<h4>Background</h4>Among deuterostomes, the regenerative potential is maximally expressed in echinoderms, animals that can quickly replace most injured organs. In particular, sea cucumbers are excellent models for studying organ regeneration since they regenerate their digestive tract after evisceration. However, echinoderms have been sidelined in modern regeneration studies partially because of the lack of genome-wide profiling approaches afforded by modern genomic tools.For the last decade, ou  ...[more]

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