Autophagy Lysosomal Systems
Autophagy Lysosomal Systems - Related Videos
09:00
Live Cell Imaging of Early Autophagy Events: Omegasomes and Beyond
0 Views •
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.
08:44
Activating Autophagy by Aerobic Exercise in Mice
0 Views •
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.
01:33
Investigating Autophagy-Mediated Clearance of Intracellular Bacteria In Vitro
0 Views •
2026
Take pig kidney cell cultures, with one culture pre-treated with an inhibitor that increases lysosomal pH, impairing autophagic-lysosomal degradation.Add pathogenic bacteria and centrifuge to enhance host-pathogen contact.Incubate to allow bacterial invasion and internalization into endocytic vesicles.The internalized bacteria consume host nutrients to replicate, triggering metabolic stress.This stress activates autophagy, where an autophagic membrane expands around the vesicle, forming an...
09:59
Quantitative Analysis of Autophagy using Advanced 3D Fluorescence Microscopy
0 Views •
Cited by 3 •
2013
Autophagy is a ubiquitous process that enables cells to degrade and recycle proteins and organelles. We apply advanced fluorescence microscopy to visualize and quantify the small, but essential, physical changes associated with the induction of autophagy, including the formation and distribution of autophagosomes and lysosomes, and their fusion into autolysosomes.
03:45
ADI-based Autophagy Induction in Prostate Cancer Cells: An Enzyme-based Technique to Measure Autophagic Response in Cells
0 Views •
2023
In this video, we demonstrate arginine deiminase-based autophagy induction in prostate cancer cells. Further, advanced fluorescence microscopy can be used to visualize the changes associated with autophagy induction, including the formation and distribution of autophagosomes and lysosomes and their fusion into autolysosomes.
FAQs
Fusion brings sequestered material into the lysosome, where acidic hydrolases can act on it. Without this delivery step, damaged organelles, protein aggregates, and other cytoplasmic material would not reach the degradative environment described for the pathway. In developmental contexts, completion of the process supports cytoplasmic remodeling and helps cells maintain viability as their state changes.
Changing nutrient conditions are an important context for regulated turnover. As cells develop and differentiate, they may need to adjust the handling of cytoplasmic material while preserving viability. Autophagy–lysosomal activity links that adaptation to recycling, allowing degradation to support continued cellular function rather than treating turnover as an isolated housekeeping event.
Regulated turnover helps differentiating cells remodel their cytoplasm while maintaining viability. This is significant because developmental progression changes cellular state and demands coordination between intracellular maintenance and tissue formation. The system therefore connects quality control with developmental signaling, rather than functioning only as a response to cellular damage alone.
Damaged organelles, protein aggregates, and other cytoplasmic material provide distinct indicators of cellular quality-control demands. Following how these materials are handled can reveal whether developmental cells are maintaining functional cytoplasm while changing identity. Their turnover is therefore relevant to both cell survival and the remodeling that accompanies tissue differentiation.
Studying these systems can clarify how developmental signaling, cell survival, and tissue formation are coordinated. Their activity offers a way to connect intracellular degradation with larger developmental outcomes: cells must adapt their cytoplasm while tissues form. This perspective makes lysosomal turnover relevant to developmental mechanisms, not merely to cellular maintenance.
When degradation is disrupted, cells may lose the regulated turnover needed to adapt, remodel their cytoplasm, or maintain viability. At the tissue level, such defects can alter growth and interfere with the coordination underlying tissue formation. The same connection also explains why studying these systems can provide insight into disease associated with abnormal degradation.