ArticleMolecular cell2014
Tracing compartmentalized NADPH metabolism in the cytosol and mitochondria of mammalian cells.
Article in Molecular cell, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 356 papers, 1 of them a synthesis that pooled it.
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Who cites it
356 citing papers in PubMed, 1 synthesis or guideline pooled it, 579 citations in OpenAlex.
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- Structural and systems characterization of phosphorylation on metabolic enzymes identifies sex-specific metabolic reprogramming in obesity.Molecular cell · 2025Article
- Cytosolic NADK is conditionally essential for folate-dependent nucleotide synthesis.Nature metabolism · 2025Article
- Is Deuterium Sequestering by Reactive Carbon Atoms an Important Mechanism to Reduce Deuterium Content in Biological Water?FASEB bioAdvances · 2025Review
- Building Localized NADP(H) Recycling Circuits to Advance Enzyme Cascadetronics.Angewandte Chemie (International ed. in English) · 2025Article
- SLC25A38 is required for mitochondrial pyridoxal 5'-phosphate (PLP) accumulation.Nature communications · 2025Article
296 more citing papers are in PubMed but not listed here.
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Authors and funding
10 authors at 3 institutions in 1 country.
Funding
Abstract
Eukaryotic cells compartmentalize biochemical processes in different organelles, often relying on metabolic cycles to shuttle reducing equivalents across intracellular membranes. NADPH serves as the electron carrier for the maintenance of redox homeostasis and reductive biosynthesis, with separate cytosolic and mitochondrial pools providing reducing power in each respective location. This cellular organization is critical for numerous functions but complicates analysis of metabolic pathways using available methods. Here we develop an approach to resolve NADP(H)-dependent pathways present within both the cytosol and the mitochondria. By tracing hydrogen in compartmentalized reactions that use NADPH as a cofactor, including the production of 2-hydroxyglutarate by mutant isocitrate dehydrogenase enzymes, we can observe metabolic pathway activity in these distinct cellular compartments. Using this system we determine the direction of serine/glycine interconversion within the mitochondria and cytosol, highlighting the ability of this approach to resolve compartmentalized reactions in intact cells.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.