Unknown,Transcriptomics,Genomics,Proteomics

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Expression profile of mouse carotid body and adrenal medulla [Affymetrix]


ABSTRACT: The carotid body is a chemoreceptor that senses decreases in blood oxygen to increase breathing in hypoxia. To look for candidate oxygen sensors in the carotid body, we compared the gene expression of the carotid body to the adrenal medulla, a similar tissue that does not have oxygen sensitivity in adults. For each sample, we pooled 18 carotid bodies or 10 adrenal medullas from 10 adult mice. Group numbers designate the same cohort of animals.

ORGANISM(S): Mus musculus

SUBMITTER: Mark Krasnow 

PROVIDER: E-GEOD-72133 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Oxygen regulation of breathing through an olfactory receptor activated by lactate.

Chang Andy J AJ   Ortega Fabian E FE   Riegler Johannes J   Madison Daniel V DV   Krasnow Mark A MA  

Nature 20151101 7577


Animals have evolved homeostatic responses to changes in oxygen availability that act on different timescales. Although the hypoxia-inducible factor (HIF) transcriptional pathway that controls long-term responses to low oxygen (hypoxia) has been established, the pathway that mediates acute responses to hypoxia in mammals is not well understood. Here we show that the olfactory receptor gene Olfr78 is highly and selectively expressed in oxygen-sensitive glomus cells of the carotid body, a chemosen  ...[more]

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