2022
Low doses of the organic insecticide spinosad trigger lysosomal defects, elevated ROS, lipid dysregulation, and neurodegeneration in flies
Martelli F, Hernandes N, Zuo Z, Wang J, Wong C, Karagas N, Roessner U, Rupasinghe T, Robin C, Venkatachalam K, Perry T, Batterham P, Bellen H. Low doses of the organic insecticide spinosad trigger lysosomal defects, elevated ROS, lipid dysregulation, and neurodegeneration in flies. ELife 2022, 11: e73812. PMID: 35191376, PMCID: PMC8863376, DOI: 10.7554/elife.73812.Peer-Reviewed Original ResearchConceptsReactive oxygen speciesBeneficial insectsBeneficial insect speciesElevated reactive oxygen speciesInsect speciesInsect pestsMitochondrial stressMitochondrial defectsAdult virgin femalesLysosomal defectsGlobal declineAntioxidant N-acetylcysteine amidePopulation sizeSpinosad toxicityMode of actionLipid storageMetabolic tissuesVirgin femalesInsecticide applicationsLysosomal dysfunctionInsectsSevere neurodegenerationSynthetic insecticidesOxygen speciesAlpha 6
2020
Loss- or Gain-of-Function Mutations in ACOX1 Cause Axonal Loss via Different Mechanisms
Chung H, Wangler M, Marcogliese P, Jo J, Ravenscroft T, Zuo Z, Duraine L, Sadeghzadeh S, Li-Kroeger D, Schmidt R, Pestronk A, Rosenfeld J, Burrage L, Herndon M, Chen S, Network M, Shillington A, Vawter-Lee M, Hopkin R, Rodriguez-Smith J, Henrickson M, Lee B, Moser A, Jones R, Watkins P, Yoo T, Mar S, Choi M, Bucelli R, Yamamoto S, Lee H, Prada C, Chae J, Vogel T, Bellen H. Loss- or Gain-of-Function Mutations in ACOX1 Cause Axonal Loss via Different Mechanisms. Neuron 2020, 106: 589-606.e6. PMID: 32169171, PMCID: PMC7289150, DOI: 10.1016/j.neuron.2020.02.021.Peer-Reviewed Original ResearchConceptsSchwann cellsAxonal lossMurine Schwann cellsPrimary Schwann cellsTreatment of fliesLong-chain fatty acid β-oxidation pathwayNeuronal lossGlial lossSynaptic transmissionRate-limiting enzymeDevelopmental delayACOX1Elevated levelsFatty acid β-oxidation pathwayReactive oxygen speciesDifferent mechanismsPupal deathPatientsDominant variantFunction mutationsGliaOxygen speciesTreatmentDe novoCells