Autophagy Gene Mutation
Autophagy Gene Mutation - Related Videos
08:44
Activating Autophagy by Aerobic Exercise in Mice
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Cited by 37 •
2017
Autophagy activation is beneficial in the prevention of a number of diseases. One of the physiological approaches to induce autophagy in vivo is physical exercise. Here we show how to activate autophagy by aerobic exercise and measure autophagy levels in mice.
01:09
Mutation, Gene Flow, and Genetic Drift
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2026
In a population that is not at Hardy-Weinberg equilibrium, the frequency of alleles changes over time. Therefore, any deviations from the five conditions of Hardy-Weinberg equilibrium can alter the genetic variation of a given population. Conditions that change the genetic variability of a population include mutations, natural selection, non-random mating, gene flow, and genetic drift (small population size).Mechanisms of Genetic VariationThe original sources of genetic variation are mutations,...
04:34
Digital Droplet Polymerase Chain Reaction for Indel Mutation Detection in Target Genes
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2025
This video demonstrates the role of digital droplet polymerase chain reaction in identifying indel mutation in a DNA sample. The high precision and sensitivity of ddPCR enable accurate and consistent detection of rare mutations present in a sample, even at low levels. It can identify and quantify indel mutations in different regions of the genome, providing valuable insights into the mechanisms of mutation and the functional consequences of these mutations.
12:52
Use of Shigella flexneri to Study Autophagy-Cytoskeleton Interactions
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Cited by 14 •
2014
To counteract pathogen dissemination, host cells reorganize their cytoskeleton to compartmentalize bacteria and induce autophagy. Using Shigella infection of tissue culture cells, host and pathogen determinants underlying this process are identified and characterized. Using zebrafish models of Shigella infection, the role of discovered molecules and mechanisms are investigated in vivo.
09:00
Live Cell Imaging of Early Autophagy Events: Omegasomes and Beyond
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Cited by 13 •
2013
Time-lapse microscopy of fluorescently labeled autophagy markers allows monitoring of the dynamic autophagy response with high temporal resolution. Using specific autophagy and organelle markers in a combination of 3 different colors, we can follow the contribution of a protein to autophagosome formation in a robust spatial and temporal context.
FAQs
The consequence depends on which autophagy stage the altered gene normally controls. A change affecting initiation may prevent the process from beginning, whereas disruption of autophagosome formation, lysosome fusion, or enzymatic degradation can block later steps. Comparing these stages helps researchers connect a mutation’s molecular location with the specific point at which cellular material processing becomes impaired.
Separating initiation from degradation reveals whether cellular problems arise because autophagic processing never starts or because material accumulates after an earlier step. This distinction is important because both defects can alter cellular quality control, yet they represent different molecular consequences. Identifying the affected stage helps explain how the same broad process can produce different biological outcomes.
Autophagy contributes to cellular recycling by breaking down components and returning their building blocks for reuse. A mutation that disrupts this pathway can therefore change both quality control and the availability of recycled materials. Studying these effects allows biologists to examine how genetic alterations influence cell maintenance and energy balance, rather than treating autophagy only as a waste-removal process.
Researchers examine the mutation in cell cultures, animal models, and patient-derived samples. Using more than one model can connect molecular changes with effects observed in cells, whole organisms, or affected individuals. These systems help investigators determine how altered autophagy contributes to disease mechanisms and whether the observed changes are consistent across experimental and patient-related contexts.
Such studies can clarify how impaired or excessive autophagy contributes to neurodegeneration, cancer, infection, and inherited disorders. The goal is not only to identify an altered gene, but also to relate its molecular effects to disease biology. This connection can improve understanding of pathogenesis and indicate which aspects of cellular quality control deserve further investigation.
Characterizing the molecular effects of an autophagy gene mutation can provide information relevant to genetic diagnosis by linking a DNA variant with disrupted cellular function. The same evidence may identify autophagic activity as a therapeutic target. Researchers can then investigate approaches that modulate the pathway, guided by whether the biological problem involves impaired or excessive activity.