Mateus Guerra, PhD
Senior Staff ScientistCards
About
Research
Publications
2025
Liver lipid droplet cholesterol content is a key determinant of metabolic dysfunction–associated steatohepatitis
Sakuma I, Gaspar R, Nasiri A, Dufour S, Kahn M, Zheng J, LaMoia T, Guerra M, Taki Y, Kawashima Y, Yimlamai D, Perelis M, Vatner D, Petersen K, Huttasch M, Knebel B, Kahl S, Roden M, Samuel V, Tanaka T, Shulman G. Liver lipid droplet cholesterol content is a key determinant of metabolic dysfunction–associated steatohepatitis. Proceedings Of The National Academy Of Sciences Of The United States Of America 2025, 122: e2502978122. PMID: 40310463, PMCID: PMC12067271, DOI: 10.1073/pnas.2502978122.Peer-Reviewed Original ResearchConceptsCholine-deficient l-amino acid-defined high-fat dietBempedoic acidLiver fibrosisLiver diseaseL-amino acid-defined high-fat dietAdvanced liver diseaseCholesterol contentHSD17B13 variantsHigh-fat dietTotal liver cholesterol contentTreated miceActivate signaling pathwaysVariant rs738409Liver cholesterol contentLiver lipidsFibrotic responsePromote inflammationTherapeutic approachesSteatotic liver diseaseDietary cholesterol supplementationFibrosisHuman liver samplesI148MAntisense oligonucleotidesProgressive form
2024
Cytosolic calcium regulates hepatic mitochondrial oxidation, intrahepatic lipolysis, and gluconeogenesis via CAMKII activation
LaMoia T, Hubbard B, Guerra M, Nasiri A, Sakuma I, Kahn M, Zhang D, Goodman R, Nathanson M, Sancak Y, Perelis M, Mootha V, Shulman G. Cytosolic calcium regulates hepatic mitochondrial oxidation, intrahepatic lipolysis, and gluconeogenesis via CAMKII activation. Cell Metabolism 2024, 36: 2329-2340.e4. PMID: 39153480, PMCID: PMC11446666, DOI: 10.1016/j.cmet.2024.07.016.Peer-Reviewed Original ResearchNeutrophils insert elastase into hepatocytes to regulate calcium signaling in alcohol-associated hepatitis
Ogino N, Leite M, Guerra M, Kruglov E, Asashima H, Hafler D, Ito T, Pereira J, Peiffer B, Sun Z, Ehrlich B, Nathanson M. Neutrophils insert elastase into hepatocytes to regulate calcium signaling in alcohol-associated hepatitis. Journal Of Clinical Investigation 2024, 134: e171691. PMID: 38916955, PMCID: PMC11324315, DOI: 10.1172/jci171691.Peer-Reviewed Original ResearchAlcohol-associated hepatitisReduced cell proliferationCalcium channel expressionCalcium signaling mechanismsIntracellular calcium channelsCell proliferationRegulate calcium signalingNeutrophil extracellular trapsChannel expressionNeutrophil granule proteinsCalcium channelsNeutrophil infiltrationPatient specimensGranule proteasesMouse modelHealthy subjectsLiver diseaseExtracellular trapsCalcium signalingSerpin E2NeutrophilsElastase activityHepatitisTissue remodelingSignaling mechanisms
2023
Above the legal limit: Alcohol brings ER and mitochondria too close together
Guerra M, Nathanson M. Above the legal limit: Alcohol brings ER and mitochondria too close together. Cell Calcium 2023, 113: 102763. PMID: 37235972, PMCID: PMC10726477, DOI: 10.1016/j.ceca.2023.102763.Commentaries, Editorials and LettersMitochondrial calcium signaling in cholangiocarcinoma
Loyola-Machado A, Guerra M, Nathanson M. Mitochondrial calcium signaling in cholangiocarcinoma. Hepatoma Research 2023, 9: null-null. DOI: 10.20517/2394-5079.2023.28.Peer-Reviewed Original ResearchPrimary liver cancerNew pharmacological agentsPathogenesis of cholangiocarcinomaMitochondrial Ca2Liver cancerCholangiocarcinomaPharmacological agentsIntracellular Ca2Molecular alterationsDruggable targetsER-mitochondrial contact sitesCancer cellsKey regulatory moleculesMetabolic reprogramingReceptor familyMitochondrial healthMitochondrial calciumEnergy metabolismCell deathPathways of interestLatest findingsTreatmentCa2Regulatory moleculesContact sites
2020
Inositol 1,4,5 trisphosphate receptors in secretory epithelial cells of the gastrointestinal tract
Lemos F, Guerra M, de Fátima Leite M. Inositol 1,4,5 trisphosphate receptors in secretory epithelial cells of the gastrointestinal tract. Current Opinion In Physiology 2020, 17: 169-174. DOI: 10.1016/j.cophys.2020.08.003.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsEpithelial cellsFatty liver diseaseIntracellular calcium signalingLiver diseaseAcute pancreatitisSecretory epithelial cellsPathophysiological roleGastrointestinal tractElectrolyte secretionSolid tumorsIntracellular Ca2Main intracellular Ca2Number of diseasesDiseaseCell proliferationCalcium signalingEnergy metabolismReceptorsMolecular mechanismsSubcellular localizationTrisphosphate receptorPhysiological functionsCellsInositol 1Ca2Ca2+ Signaling in the Liver
Guerra M, Leite M, Nathanson M. Ca2+ Signaling in the Liver. 2020, 496-508. DOI: 10.1002/9781119436812.ch40.ChaptersBile duct epitheliumDuct epitheliumNon-alcoholic fatty liver diseaseBile acid-independent bile flowBile acid-dependent flowFatty liver diseaseLiver diseaseBile flowElectrolyte secretionLipid metabolismGrowth factorLiverCell populationsRat liverVariety of mechanismsEpitheliumCa2Recent studiesCell cycleHepatocytesLesser extentPathogenesisDiseaseNeurotransmittersHormone
2015
Signaling pathways in biliary epithelial cells
Leite M, Guerra M, Andrade V, Nathanson M. Signaling pathways in biliary epithelial cells. 2015, 15-33. DOI: 10.1002/9781118663387.ch2.ChaptersBiliary epithelial cellsEpithelial cellsFormation of bileSurface membrane receptorsBiliary treeDuctal bileIntracellular signal transduction pathwaysCanalicular bileGrowth factorCholangiocytesBileCell functionPeptide hormonesBile saltsDetoxification of xenobioticsMembrane receptorsSignal transduction pathwaysTransduction pathwaysSignaling pathways in biliary epithelial cells
Leite Mde, F., et al. (2015). Signaling Pathways in Liver Diseases. J. F. Dufour and P. A. Clavien, Wiley-Blackwell: 520.Chapters
2009
Ca2+ Signaling in the Liver
Leite F, Guerra M, Nathanson M. Ca2+ Signaling in the Liver. 2009, 485-510. DOI: 10.1002/9780470747919.ch32.Chapters
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Yale School of Medicine
Department of Medicine (Digestive Diseases), PO Box 208019
New Haven, CT 06520-8019
United States