2024
Cellular stiffness sensing through talin 1 in tissue mechanical homeostasis
Chanduri M, Kumar A, Weiss D, Emuna N, Barsukov I, Shi M, Tanaka K, Wang X, Datye A, Kanyo J, Collin F, Lam T, Schwarz U, Bai S, Nottoli T, Goult B, Humphrey J, Schwartz M. Cellular stiffness sensing through talin 1 in tissue mechanical homeostasis. Science Advances 2024, 10: eadi6286. PMID: 39167642, PMCID: PMC11338229, DOI: 10.1126/sciadv.adi6286.Peer-Reviewed Original ResearchConceptsTissue mechanical homeostasisStiffness sensingExtracellular matrixTalin-1Mechanical homeostasisExtracellular matrix mechanicsIncreased cell spreadingCell spreadingTalinMutationsCellular sensingFibrillar collagenReduced axial stiffnessTissue mechanical propertiesMechanical propertiesAxial stiffnessCompliant substratesHomeostasisRupture pressureArp2/3ARPC5LStiffnessHomeostasis hypothesisResident cellsTissue stiffness
2023
Dual regulation of SLC25A39 by AFG3L2 and iron controls mitochondrial glutathione homeostasis
Shi X, DeCiucis M, Grabinska K, Kanyo J, Liu A, Lam T, Shen H. Dual regulation of SLC25A39 by AFG3L2 and iron controls mitochondrial glutathione homeostasis. Molecular Cell 2023, 84: 802-810.e6. PMID: 38157846, PMCID: PMC10922821, DOI: 10.1016/j.molcel.2023.12.008.Peer-Reviewed Original ResearchProtein quality controlMitochondrial protein quality controlDual regulationMetabolic compartmentalizationIron homeostasisMitochondrial iron-sulfur clustersIron-sulfur clustersMitochondrial transportersProtein regulationMammalian cellsCRISPR knockoutCysteine residuesTransporter regulationLoop 1SLC25A39Glutathione homeostasisMetabolic sensingGlutathione uptakeMature neuronsProtein levelsHomeostasisRegulationAFG3L2Biochemical featuresMitochondrial glutathione levels