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Comparative microarray analysis of NaV1.8-expressing DRG neurons and cold-sensitive non-NaV1.8-expressing DRG neurons


ABSTRACT: The vast majority of cold sensitive DRG neurons from mice do not express the voltage-gated sodium channel NaV1.8. Therefore, we aimed to compare the molecular profiles of NaV1.8 and non-NaV1.8-expressing neurons using microarray analysis. Fluorescent activated cell sorting was performed at 4 degrees centigrade on acutely dissociated DRG neurons from mice expressing NaV1.8-Cre, Pirt-GCaMP3 and a Cre-dependent global reporter (td tomato). NaV1.8-expressing neurons were sorted based on their reporter fluorescence (td tomato; red) and putative cold sensing neurons were sorted based on their GCaMP3 fluorescence at 4 degrees centigrade and absence of Cre-dependent reporter fluorescence. A total of three mice were used (samples one, two and three) with GCaMP3 only and NaV1.8-expressing neurons forming two relative populations within each sample (eg. GC3 one is the experimental counterpart of Tom one).

ORGANISM(S): Mus musculus musculus

SUBMITTER: John Wood 

PROVIDER: E-MTAB-7070 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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