Combined signaling and metabolic pathways

Combined signaling and metabolic pathways refer to the integrated biochemical networks that coordinate cellular energy status with growth and survival signals. These pathways involve a bidirectional crosstalk where signaling cascades, such as the PI3K/AKT/mTOR axis, regulate metabolic enzymes, while metabolic intermediates like acetyl-CoA and ATP influence signaling through post-translational modifications (Source: Nature Reviews Molecular Cell Biology, 2020). This coordination is essential for maintaining cellular homeostasis and responding to environmental changes. In many diseases, particularly cancer, these pathways are reprogrammed to prioritize biomass accumulation and rapid proliferation over normal physiological functions (Source: NIH, National Cancer Institute). Similarly, dysregulation of these integrated networks is a primary driver of metabolic disorders such as type 2 diabetes and obesity (Source: Cell, 2017). While not a single molecular target, the key nodes within these pathways are major sites for therapeutic intervention, with drugs like metformin and rapamycin acting to restore balance or inhibit pathological signaling.

Other names

Integrated signaling and metabolic networksMetabolic-signaling crosstalkSignaling-metabolic interactome

Modulation of key regulatory nodes (e.g., AMPK, mTOR, PI3K) that integrate extracellular signals with intracellular metabolic flux.