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Related Concept Videos

Autophagy01:27

Autophagy

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Autophagy is a self-digesting process by which a cell protects itself from threats both within and outside the cell, ranging from abnormal proteins to invading bacteria. In this process, obsolete components of the cell and invading microbes are degraded by hydrolytic enzymes active in an acidic environment of the lysosomal lumen.
An autophagic pathway consists of a series of signaling events activated in response to diverse stress and physiological conditions such as food deprivation,...
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Neurons: The Cell Body and the Dendrites01:23

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A typical nerve cell comprises three main components: the cell body, dendrites, and the axon. The cell body, also known as the soma or perikaryon, serves as the central biosynthetic hub housing a nucleus surrounded by cytoplasm containing organelles commonly found in most cells. Notably, Nissl bodies, clusters of the rough endoplasmic reticulum and free ribosomes responsible for protein synthesis, are distinctive features of the neuronal cell body. As neurons age, aggregates of a brown pigment...
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What are Cells?01:07

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Cells are the smallest and basic units of life, whether it is a single cell that forms the entire organism, e.g., in a bacterium or trillions of them, e.g., in humans. No matter what organism a cell is a part of, they share specific characteristics.
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A concentration cell is a type of a  voltaic cell constructed by connecting two almost identical half-cells, both based on the same half-reaction and using the same electrode, differing only in the concentration of one redox species. A concentration cell's potential, therefore, is determined only by the concentration difference of the particular redox species.
Consider the following voltaic cell:
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What is Cell Signaling?02:03

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Despite the protective membrane that separates a cell from the environment, cells need the ability to detect and respond to environmental changes. Additionally, cells often need to communicate with one another. Unicellular and multicellular organisms use a variety of cell signaling mechanisms to communicate to respond to the environment.
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Chemistry of the Cell02:58

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The cell is chemically composed of water, organic molecules and inorganic ions.
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Related Experiment Video

Updated: Jan 26, 2026

siRNA Electroporation to Modulate Autophagy in Herpes Simplex Virus Type 1-Infected Monocyte-Derived Dendritic Cells
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Autophagy in dendritic cells.

Ghita Ghislat1, Toby Lawrence2

  • 1Centre d'Immunologie de Marseille-Luminy, Inserm, U1104, CNRS UMR7280, Marseille, France. ghislat@ciml.univ-mrs.fr.

Cellular & Molecular Immunology
|March 27, 2018
PubMed
Summary
This summary is machine-generated.

Autophagy, a cellular recycling process, is crucial for immune cell function, particularly dendritic cells (DCs). Understanding this link is key to immunity, inflammation, and cancer research.

Keywords:
autophagydendritic cellsmaturation

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Area of Science:

  • Immunology
  • Cell Biology
  • Molecular Biology

Background:

  • Autophagy is a conserved cellular degradation pathway essential for organismal survival and nutrient homeostasis.
  • Dysregulation of autophagy is implicated in inflammatory diseases and cancer development.
  • Immune cells, especially dendritic cells (DCs), utilize autophagy for critical functions.

Purpose of the Study:

  • To review the current understanding of autophagy's role in dendritic cell (DC) biology.
  • To explore the molecular mechanisms linking autophagy and DC function.
  • To discuss the implications for immune tolerance, infection, and cancer.

Main Methods:

  • Comprehensive literature review of recent studies on autophagy and DC biology.
  • Analysis of molecular pathways governing autophagy in DCs.
  • Discussion of experimental models and their limitations.

Main Results:

  • Autophagy significantly influences DC maturation and function, impacting immune responses.
  • DCs employ autophagy to modulate antigen presentation, T cell activation, and immune tolerance.
  • Autophagy in DCs plays a dual role in promoting immunity and potentially contributing to immunosuppression in cancer.

Conclusions:

  • Autophagy is a critical regulator of dendritic cell functions in various physiological and pathological conditions.
  • Further research into the autophagy-DC axis is vital for developing novel therapeutic strategies for cancer and immune disorders.
  • Addressing model system limitations is essential for advancing our knowledge of autophagy-DC crosstalk.