2023
Mitochondrial leak metabolism induces the Spemann-Mangold Organizer via Hif-1α in Xenopus
MacColl Garfinkel A, Mnatsakanyan N, Patel J, Wills A, Shteyman A, Smith P, Alavian K, Jonas E, Khokha M. Mitochondrial leak metabolism induces the Spemann-Mangold Organizer via Hif-1α in Xenopus. Developmental Cell 2023, 58: 2597-2613.e4. PMID: 37673063, PMCID: PMC10840693, DOI: 10.1016/j.devcel.2023.08.015.Peer-Reviewed Original ResearchConceptsSpemann-Mangold organizerATP productionMitochondrial respirationC subunit ringHIF-1αMitochondrial oxidative metabolismEmbryonic patterningCell fateATP synthaseC subunitVentral mesodermHIF-1α activationInstructive roleHypoxia-inducible factor-1αΒ-cateninGeneral mechanismXenopusFactor-1αRespirationMembrane leakOxidative metabolismMetabolismMesodermActivationOxygen consumption
2017
The Mitochondrial Permeability Transition Pore: Molecular Structure and Function in Health and Disease
Jonas E, Porter G, Beutner G, Mnatsakanyan N, Park H, Mehta N, Chen R, Alavian K. The Mitochondrial Permeability Transition Pore: Molecular Structure and Function in Health and Disease. Biological And Medical Physics, Biomedical Engineering 2017, 69-105. DOI: 10.1007/978-3-319-55539-3_3.Peer-Reviewed Original ResearchMitochondrial permeability transition porePermeability transition poreCell deathTransition poreMitochondrial inner membraneInner mitochondrial membraneC subunitATP synthaseInner membraneOuter membraneMitochondrial membraneCardiac developmentRegulatory mechanismsOxidative phosphorylationATP productionMitochondrial functionMolecular componentsMitochondrial efficiencyOsmotic dysregulationCell functionLarge conductanceRecent findingsPersistent openingMembraneIon transport
2016
Metabolic Control of Cell Death : The Role of Bcl‐xL
Park H, Licznerski P, Niu Y, Mnatsakanyan N, Miranda P, Wu J, Sacchetti S, Polster B, Alavian K, Jonas E. Metabolic Control of Cell Death : The Role of Bcl‐xL. The FASEB Journal 2016, 30 DOI: 10.1096/fasebj.30.1_supplement.1162.2.Peer-Reviewed Original ResearchΔN-BclMitochondrial permeability transition poreABT-737Glutamate-exposed neuronsBcl-xLGlutamate-induced excitotoxicityGlutamate-induced deathNeuronal energy metabolismMitochondrial potentialCell deathGlutamate challengeBrain ischemiaNeuroprotective propertiesNeuronal survivalFold lower concentrationCyclosporine ASpecific small molecule inhibitorsATP productionSmall molecule inhibitorsMetabolic controlMitochondrial channel activityMalignant cellsPro-apoptotic roleNeuronsDeath
2015
ABT‐737 Inhibits Full Length And Cleaved Pro‐Apoptotic Bcl‐xL, Resulting in Differential Effects on Death And Survival
Park H, Licznerski P, Niu Y, Alavian K, Jonas E. ABT‐737 Inhibits Full Length And Cleaved Pro‐Apoptotic Bcl‐xL, Resulting in Differential Effects on Death And Survival. The FASEB Journal 2015, 29 DOI: 10.1096/fasebj.29.1_supplement.777.4.Peer-Reviewed Original ResearchFull-length Bcl-xLBcl-xLABT-737Mitochondrial potentialATP productionΔN-BclAnti-apoptotic Bcl-2 family proteinsBcl-2 family proteinsCell death stimuliMitochondrial membrane permeabilityATP synthase activityMitochondrial permeability transition porePro-apoptotic BclPro-apoptotic formBcl-xL inhibitorsPermeability transition poreDeath stimuliFamily proteinsBcl-xL.Isolated mitochondriaPharmacological inhibitorsTransition poreCell deathFull lengthSynthase activity