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Characterization Of In Vitro Transcriptional Responses Of Dorsal Root Ganglia Cultured In The Presence And Absence Of Blastema Cells From Regenerating Salamander Limbs, Antony Athippozhy, Jeffrey Lehrberg, James R. Monaghan, David M. Gardiner, S. Randal Voss
Characterization Of In Vitro Transcriptional Responses Of Dorsal Root Ganglia Cultured In The Presence And Absence Of Blastema Cells From Regenerating Salamander Limbs, Antony Athippozhy, Jeffrey Lehrberg, James R. Monaghan, David M. Gardiner, S. Randal Voss
Biology Faculty Publications
During salamander limb regeneration, nerves provide signals that induce the formation of a mass of proliferative cells called the blastema. To better understand these signals, we developed a blastema-dorsal root ganglia (DRG) co-culture model system to test the hypothesis that nerves differentially express genes in response to cues provided by the blastema. DRG with proximal and distal nerve trunks were isolated from axolotls (Ambystoma mexicanum), cultured for five days, and subjected to microarray analysis. Relative to freshly isolated DRG, 1,541 Affymetrix probe sets were identified as differentially expressed and many of the predicted genes are known to function …