NDLI: Microarray and real-time PCR analyses of gene expression in the honeybee brain following caffeine treatment

Content Provider	Springer Nature Link
Author	Kucharski, Robert Maleszka, Ryszard
Copyright Year	2005
Abstract	To test the idea that caffeine might induce changes in gene expression in the honeybee brain, we contrasted the transcriptional profiles of control and caffeine-treated brains using high-throughput cDNA microarrays. Additional quantitative real-time PCR was performed on a subset of eight transcripts to visualize the temporal changes induced by caffeine. Genes that were significantly upregulated in caffeine-treated brains included those involved in synaptic signaling (GABA:Na symporter, dopamine D$_{2}$R-like receptor, and synapsin), cytoskeletal modifications (kinesin and microtubule motors), protein translation (ribosomal protein RpL4, elongation factors), and calcium-dependent processes (calcium transporter, calmodulin-dependent cyclic nucleotide phosphodiesterase). In addition, our study uncovered a number of novel, caffeine-inducible genes that appear to be unique to the honeybee. Time-dependent profiling of caffeine-sensitive gene expression shows significant upregulation 1 h after treatment followed by moderate downregulation after 4 h with no additional changes occuring after 24 h. Our results provide initial evidence that the dopaminergic system and calcium exchange are the main targets of caffeine in the honeybee brain and suggest that molecular responses to caffeine in an invertebrate brain are similar to those in vertebrate organisms.
Starting Page	269
Ending Page	276
Page Count	8
File Format	PDF
ISSN	08958696
Journal	Journal of Molecular Neuroscience
Volume Number	27
Issue Number	3
e-ISSN	15591166
Language	English
Publisher	Humana Press
Publisher Date	2005-01-01
Publisher Place	Totowa
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Neurosciences Neurology
Content Type	Text
Resource Type	Article
Subject	Medicine Cellular and Molecular Neuroscience

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