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Deregulating Cellular Energetics Module

Oncology Metabolism Module deregulated_cellular_energetics 5 disorders Pathograph 3
A conserved mechanism module for the emerging hallmark of cancer (Hanahan & Weinberg): the reprogramming of energy metabolism. Proliferating cancer cells reprogram their metabolism to support biosynthesis rather than maximally efficient ATP production. The conserved causal chain runs from oncogenic signaling (and loss of tumor suppressors such as p53) that drives constitutive nutrient uptake, through a shift toward aerobic glycolysis - the Warburg effect, in which cells ferment glucose to lactate even when oxygen is plentiful - to the diversion of glycolytic and TCA-cycle intermediates into biosynthetic pathways (nucleotides, amino acids, lipids, NADPH), producing the biomass needed for cell division. The reprogrammed metabolism also acidifies the microenvironment (lactate export) and alters metabolite-driven gene regulation. Individual disorder entries declare conformance via conforms_to, substituting tumor-type-specific drivers (e.g., MYC- and PI3K-AKT-driven glucose addiction; IDH1/2 mutations producing the oncometabolite 2-hydroxyglutarate; VHL/HIF-driven glycolysis). This module is metabolically downstream of sustaining_proliferative_signaling.
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Pathophysiology Nodes

3
3 shared nodes are defined in this module.
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Cell Types

0
No cell types are annotated for this module.
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Biological Processes

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D-Glucose Transmembrane Transport GO:1904659 Gene Ontology (GO) Relation: this mechanism module involves this biological process This mechanism module involves increased D-Glucose Transmembrane Transport (GO:1904659). GO:1904659 is a biological process from the Gene Ontology. INCREASED Glycolytic Process GO:0006096 Gene Ontology (GO) Relation: this mechanism module involves this biological process This mechanism module involves increased Glycolytic Process (GO:0006096). GO:0006096 is a biological process from the Gene Ontology. INCREASED Glucose Metabolic Process GO:0006006 Gene Ontology (GO) Relation: this mechanism module involves this biological process This mechanism module involves increased Glucose Metabolic Process (GO:0006006). GO:0006006 is a biological process from the Gene Ontology. INCREASED
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Notes

This is a mechanism module, not a specific disease. Disorder entries reference individual nodes via conforms_to (e.g., "deregulated_cellular_energetics#Aerobic Glycolysis (Warburg Effect)"). The module defines the expected pathophysiology structure; conforming nodes in disorder files should include the corresponding biological processes and causal edges, specialized to their tumor context. Key tumor-specific substitutions: MYC/PI3K-AKT-driven tumors show glucose and glutamine addiction; IDH-mutant gliomas/AML produce the oncometabolite 2-hydroxyglutarate that reprograms the epigenome; VHL-deficient renal cell carcinoma uses HIF-driven glycolysis. Key conformance target: "deregulated_cellular_energetics#Aerobic Glycolysis (Warburg Effect)".
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Used By Disorder Entries

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Clear Cell Ovarian Carcinoma via HNF1B-Driven Glycolytic Reprogramming → Aerobic Glycolysis (Warburg Effect)
Clear Cell Renal Cell Carcinoma via Metabolic Reprogramming and Aerobic Glycolysis → Aerobic Glycolysis (Warburg Effect)
Endometriosis via Warburg-like Metabolic Reprogramming → Aerobic Glycolysis (Warburg Effect)
Hepatocellular Carcinoma via Aerobic Glycolysis and Metabolic Reprogramming → Aerobic Glycolysis (Warburg Effect)
Non-Small Cell Lung Cancer via Metabolic Rewiring → Biosynthetic Diversion for Biomass Production
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Pathograph

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Pathograph: causal mechanism network for Deregulating Cellular Energetics Module Interactive directed graph showing how this shared module's pathophysiology nodes connect.
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Pathophysiology

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Oncogene-Driven Nutrient Uptake
trigger
Normal cells take up nutrients only when stimulated by growth factors; cancer cells acquire mutations that constitutively activate nutrient-uptake and metabolic signaling (PI3K-AKT-mTOR, MYC, RAS), upregulating glucose transporters (GLUT1) and amino-acid transporters. This cell-autonomous, growth-factor-independent nutrient acquisition is the metabolic entry point of the hallmark.
D-Glucose Transmembrane Transport GO:1904659 Gene Ontology (GO) Relation: this pathophysiological event involves this biological process This pathophysiological event involves increased D-Glucose Transmembrane Transport (GO:1904659). GO:1904659 is a biological process from the Gene Ontology. INCREASED
Downstream
  • Aerobic Glycolysis (Warburg Effect)
Aerobic Glycolysis (Warburg Effect)
central effector
Cancer cells preferentially metabolize glucose to lactate even in the presence of oxygen sufficient for oxidative phosphorylation - the Warburg effect. Though inefficient in ATP yield per glucose, high glycolytic flux rapidly regenerates ATP and, critically, supplies carbon intermediates for biosynthesis. This is the conserved central node of the metabolic hallmark; it does not require defective mitochondria.
Glycolytic Process GO:0006096 Gene Ontology (GO) Relation: this pathophysiological event involves this biological process This pathophysiological event involves increased Glycolytic Process (GO:0006096). GO:0006096 is a biological process from the Gene Ontology. INCREASED
Used by disorders
Clear Cell Ovarian Carcinoma as HNF1B-Driven Glycolytic Reprogramming
Clear Cell Renal Cell Carcinoma as Metabolic Reprogramming and Aerobic Glycolysis
Endometriosis as Warburg-like Metabolic Reprogramming
Hepatocellular Carcinoma as Aerobic Glycolysis and Metabolic Reprogramming
Downstream
  • Biosynthetic Diversion for Biomass Production
Biosynthetic Diversion for Biomass Production
consequence
Glycolytic and TCA-cycle intermediates are diverted into anabolic pathways: glucose-6-phosphate into the pentose phosphate pathway for ribose and NADPH, 3-phosphoglycerate into serine/glycine and one-carbon metabolism, citrate into fatty-acid synthesis, and glutamine into anaplerosis and nitrogen for nucleotide/amino-acid synthesis. This diversion converts nutrients into the macromolecular building blocks (nucleotides, amino acids, lipids) required to produce a new cell, the biosynthetic purpose of the Warburg phenotype.
Glucose Metabolic Process GO:0006006 Gene Ontology (GO) Relation: this pathophysiological event involves this biological process This pathophysiological event involves increased Glucose Metabolic Process (GO:0006006). GO:0006006 is a biological process from the Gene Ontology. INCREASED
Used by disorders
Non-Small Cell Lung Cancer as Metabolic Rewiring