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Cytokine signaling through the JAK/STAT pathway is required for long-term memory in Drosophila.


ABSTRACT: Cytokine signaling through the JAK/STAT pathway regulates multiple cellular responses, including cell survival, differentiation, and motility. Although significant attention has been focused on the role of cytokines during inflammation and immunity, it has become clear that they are also implicated in normal brain function. However, because of the large number of different genes encoding cytokines and their receptors in mammals, the precise role of cytokines in brain physiology has been difficult to decipher. Here, we took advantage of Drosophila's being a genetically simpler model system to address the function of cytokines in memory formation. Expression analysis showed that the cytokine Upd is enriched in the Drosophila memory center, the mushroom bodies. Using tissue- and adult-specific expression of RNAi and dominant-negative proteins, we show that not only is Upd specifically required in the mushroom bodies for olfactory aversive long-term memory but the Upd receptor Dome, as well as the Drosophila JAK and STAT homologs Hop and Stat92E, are also required, while being dispensable for less stable memory forms.

SUBMITTER: Copf T 

PROVIDER: S-EPMC3093528 | biostudies-literature | 2011 May

REPOSITORIES: biostudies-literature

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Cytokine signaling through the JAK/STAT pathway is required for long-term memory in Drosophila.

Copf Tijana T   Goguel Valérie V   Lampin-Saint-Amaux Aurélie A   Scaplehorn Niki N   Preat Thomas T  

Proceedings of the National Academy of Sciences of the United States of America 20110425 19


Cytokine signaling through the JAK/STAT pathway regulates multiple cellular responses, including cell survival, differentiation, and motility. Although significant attention has been focused on the role of cytokines during inflammation and immunity, it has become clear that they are also implicated in normal brain function. However, because of the large number of different genes encoding cytokines and their receptors in mammals, the precise role of cytokines in brain physiology has been difficul  ...[more]

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2005-08-08 | GSE2828 | GEO