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Ceramide in Plasma Membrane Repair
2013The perforation of the plasmalemma by pore-forming toxins causes an influx of Ca(2+) and an efflux of cytoplasmic proteins. In order to ensure cellular survival, lesions have to be identified, plugged and removed from the membrane. The Ca(2+)-driven fusion of lysosomes with the plasma membrane leads to hydrolysis of sphingomyelin by acid ...
Draeger A, Babiychuk EB
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Annexins and plasma membrane repair
2019Plasma membrane wound repair is a cell-autonomous process that is triggered by Ca2+ entering through the site of injury and involves membrane resealing, i.e., re-establishment of a continuous plasma membrane, as well as remodeling of the cortical actin cytoskeleton.
Sophia N, Koerdt +2 more
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Plasma membrane repair: the adaptable cell life-insurance
Current Opinion in Cell Biology, 2017The plasma membrane is the most basic element necessary for the cell to exist and be distinguishable from its environment. Regulated mechanisms allow tightly controlled communication between intacellular and extracellular medium allowing the maintenance of a specific biochemical environment, optimized for cellular functions.
Jimene, Ana Joaquina, Perez, Franck
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Lysosomes and plasma membrane repair
2019The ability of repairing damages on the plasma membrane is crucial for cell survival. When damaged, eukaryotic cells are able to recover plasma membrane integrity within a few seconds, thus avoiding cytoplasm leakage and cell death. The process is driven by the influx of extracellular calcium which triggers a multitude of intracellular effects that ...
Matthias, Corrotte, Thiago, Castro-Gomes
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ESCRT Machinery Is Required for Plasma Membrane Repair
Science, 2014ESCRT Your Wound Away The ESCRT (endosomal sorting complex required for transport) protein complex plays a role in budding into multivesicular bodies, in cytokinesis, and in HIV budding. Now, Jimenez et al. (p.
Jimenez AJ +5 more
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Plasma membrane disruption (PMD) formation and repair in mechanosensitive tissues
Bone, 2021Mammalian cells employ an array of biological mechanisms to detect and respond to mechanical loading in their environment. One such mechanism is the formation of plasma membrane disruptions (PMD), which foster a molecular flux across cell membranes that promotes tissue adaptation. Repair of PMD through an orchestrated activity of molecular machinery is
Mackenzie L, Hagan +2 more
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Repairing plasma membrane damage in regulated necrotic cell death
Molecular Biology Reports, 2021The plasma membrane performs a central role in maintaining cellular homeostasis and viability by acting as a semi-permeable barrier separating the cell from its surroundings. Under physiological conditions, it is constantly exposed to different kinds of stress, such as from pore-forming proteins/toxins and mechanical activity, that compromises its ...
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Mitochondria for plasma membrane repair
Science, 2017Cell Biology Mechanical strain on cells can cause damage to the plasma membrane that must be repaired before extracellular Ca2+ influx reaches levels that trigger cell death. Horn et al. found that mitochondria mediated the repair of plasma membrane injuries in mouse muscle cells and human nonmuscle cells (see the Focus by Cooper).
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Dysferlin and the plasma membrane repair in muscular dystrophy
Trends in Cell Biology, 2004Muscular dystrophy covers a group of genetically determined disorders that cause progressive weakness and wasting of the skeletal muscles. Dysferlin was identified as a gene mutated in limb-girdle muscular dystrophy (type 2B) and Miyoshi myopathy. The discovery of dysferlin revealed a new family of proteins, known as the ferlin family, which includes ...
Dimple, Bansal, Kevin P, Campbell
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Plasma membrane repair involvement in parasitic and other pathogen infections
2019Intracellular pathogens depend on specific mechanisms to be able to gain entry and survive into their host cells. For this, they subvert pathways involved in physiological cellular processes. Here we are going to focus on how two protozoan parasites, Trypanosoma cruzi and Leishmania sp, which may cause severe diseases in humans, use plasma membrane ...
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