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MOTIVATION Signaling pathways control a large variety of cellular processes. However, currently, even within the same database signaling pathways are often curated at different levels of detail. This makes comparative and cross-talk analyses difficult. RESULTS We present SignaLink, a database containing eight major signaling pathways from Caenorhabditis… (More)
A recent study in BMC Pharmacology presents a network of drugs and the therapies in which they are used. Network approaches open new ways of predicting novel drug targets and overcoming the cellular robustness that can prevent drugs from working.
The network concept is increasingly used for the description of complex systems. Here, we summarize key aspects of the evolvability and robustness of the hierarchical network set of macromolecules, cells, organisms and ecosystems. Listing the costs and benefits of cooperation as a necessary behaviour to build this network hierarchy, we outline the major… (More)
Molecular chaperones and the heat shock response guard and modulate protein conformation, protect proteins from misfolding and aggregation, and maintain signalling and organellar networks. Overnutrition and the metabolic syndrome represent a pro-aging condition, and dietary restriction is the most robust environmental intervention that induces longevity… (More)
UNLABELLED Increased oxidative stress is associated with various diseases and aging, while adaptation to heat stress is an important determinant of survival and contributes to longevity. However, the impact of oxidative stress on heat resistance remains largely unclear. AIM In this study we investigated how oxidative stress impinges on heat stress… (More)