2024
Fatty acid binding protein 5 suppression attenuates obesity-induced hepatocellular carcinoma by promoting ferroptosis and intratumoral immune rewiring
Sun J, Esplugues E, Bort A, Cardelo M, Ruz-Maldonado I, Fernández-Tussy P, Wong C, Wang H, Ojima I, Kaczocha M, Perry R, Suárez Y, Fernández-Hernando C. Fatty acid binding protein 5 suppression attenuates obesity-induced hepatocellular carcinoma by promoting ferroptosis and intratumoral immune rewiring. Nature Metabolism 2024, 6: 741-763. PMID: 38664583, DOI: 10.1038/s42255-024-01019-6.Peer-Reviewed Original ResearchConceptsFatty acid binding protein 5Tumor-associated macrophagesHepatocellular carcinomaImmunosuppressive phenotype of tumor-associated macrophagesIncreased CD8+ T cell activationCD8+ T cell activationPhenotype of tumor-associated macrophagesPro-inflammatory tumor microenvironmentCo-stimulatory molecules CD80T cell activationHepatocellular carcinoma burdenTransformation of hepatocytesBinding protein 5Potential therapeutic approachImmunosuppressive phenotypeTumor microenvironmentFerroptosis-induced cell deathMale miceEnhanced ferroptosisTherapeutic approachesPharmacological inhibitionGenetic ablationIncreased expressionSingle-cell atlasAnalysis of transformed cells
2023
Kisspeptin upregulates β-cell serotonin production during pregnancy
Hill T, Smith L, Ruz-Maldonado I, Jones P, Bowe J. Kisspeptin upregulates β-cell serotonin production during pregnancy. Journal Of Endocrinology 2023, 260: e230218. PMID: 37997938, PMCID: PMC10762540, DOI: 10.1530/joe-23-0218.Peer-Reviewed Original ResearchConceptsIslet adaptationSerotonin productionSerotonin biosynthesisΒ-cellsDevelopment of GDMEffects of kisspeptinLactogenic hormonesGestational insulin resistanceΒ-cell compensationElevated insulin secretionMaternal pancreatic isletsΒ-cell proliferationPregnant controlsInsulin resistanceSerotonin levelsInsulin secretionAutocrine effectsPregnancyTPH-1KisspeptinKnockdown micePancreatic isletsRodent isletsPro-proliferative genesTime points