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Lysosomes: A class of morphologically heterogeneous cytoplasmic particles in animal and plant tissues characterized by their content of hydrolytic enzymes and the structure-linked latency of these enzymes. The intracellular functions of lysosomes depend on their lytic potential. The single unit membrane of the lysosome acts as a barrier between the enzymes enclosed in the lysosome and the external substrate. The activity of the enzymes contained in lysosomes is limited or nil unless the vesicle in which they are enclosed is ruptured. Such rupture is supposed to be under metabolic (hormonal) control. (From Rieger et al., Glossary of Genetics: Classical and Molecular, 5th ed)

Live Cell Imaging and 3D Analysis of Angiotensin Receptor Type 1a Trafficking in Transfected Human Embryonic Kidney Cells Using Confocal Microscopy

1Department of Biochemistry, Georgetown University Medical Center, 2Department of Medicine, Georgetown University Medical Center, 3Department of Physics, Georgetown University Medical Center, 4Department of Oncology, Georgetown University Medical Center

JoVE 55177


 Biology

Studying Organelle Dynamics in B Cells During Immune Synapse Formation

1Laboratory of Immune Cell Biology, Department of Cellular and Molecular Biology, Pontificia Universidad Católica de Chile, 2Faculty of Medicine, Pontificia Universidad Católica de Chile, 3Centro de Investigaciones en Biología Celular y Biomedicina, Facultad de Ciencia, Universidad San Sebastián

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JoVE 59621


 JoVE In-Press

Monitoring Astrocyte Reactivity and Proliferation in Vitro Under Ischemic-Like Conditions

1Department of Neuroscience, School of Medicine, Universidad Central del Caribe, 2Department of Biochemistry, School of Medicine, Universidad Central del Caribe, 3Department of Pharmacology and Toxicology, Medical Sciences, Campus, University of Puerto Rico

JoVE 55108


 Neuroscience

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