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Related Concept Videos

Transcytosis of IgG01:15

Transcytosis of IgG

Transcytosis is the process in which molecules are internalized by endocytosis, transported across the cell, and released through exocytosis from the opposite end of the cell. Molecules such as insulin, immunoglobulins, and certain nutrients are transferred through the recycling endosomes by recycling and transcytosis.
IgG molecules from a mother undergo transcytosis starting around 13 weeks of gestation. The amount of IgG transferred and entering the fetal blood circulation increases with...
Phagocytosis00:41

Phagocytosis

Cells pull particles inward and engulf them in spherical vesicles in an energy-requiring process called endocytosis. Phagocytosis ("cellular eating") is one of three major types of endocytosis. Cells use phagocytosis to take in large objects, such as other cells (or their debris), bacteria, and even viruses.
The objective of phagocytosis is often destruction. Cells use phagocytosis to eliminate unwelcome visitors, like pathogens (e.g., viruses and bacteria). Many immune system cells, including...
Phagocytosis00:41

Phagocytosis

Cells pull particles inward and engulf them in spherical vesicles in an energy-requiring process called endocytosis. Phagocytosis (“cellular eating”) is one of three major types of endocytosis. Cells use phagocytosis to take in large objects—such as other cells (or their debris), bacteria, and even viruses.The objective of phagocytosis is often destruction. Cells use phagocytosis to eliminate unwelcome visitors, like pathogens (e.g., viruses and bacteria). It is perhaps unsurprising, that many...
Recycling Endosomes and Transcytosis00:58

Recycling Endosomes and Transcytosis

The recycling endosome, also known as the endosomal recycling compartment (ERC), is a part of the slow-recycling process of the endocytic pathway. Molecules internalized through receptor-mediated endocytosis are either degraded in the lysosomes or are recycled to the plasma membrane through the fast- or slow-recycling route.
The recycling endosome is not a single organelle but an extensively tubulated network of recycling pathways. It functions in storing molecules or transporting them across...
Trichomoniasis01:18

Trichomoniasis

Trichomonas vaginalis is a flagellated protozoan parasite and the causative agent of trichomoniasis, one of the most prevalent non-viral sexually transmitted infections in the United States. This extracellular parasite primarily colonizes the lower genitourinary tract in women—particularly the vagina—and in men, the urethra and prostate. Its structural and functional adaptations enable its survival, motility, and pathogenicity within the host environment.Structural Features and Host EntryT.
Nondisjunction01:29

Nondisjunction

During meiosis, chromosomes occasionally separate improperly. This occurs due to failure of homologous chromosome separation during meiosis I or failed sister chromatid separation during meiosis II. In some species, notably plants, nondisjunction can result in an organism with an entire additional set of chromosomes, which is called polyploidy. In humans, nondisjunction can occur during male or female gametogenesis and the resulting gametes possess one too many or one too few chromosomes.

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CRISPR/Cas9 knockout and editing of the major cysteine protease in <i>Entamoeba histolytica</i>.

bioRxiv : the preprint server for biology·2026
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Human cell F-actin density differentially influences trogocytosis and phagocytosis by <i>Entamoeba histolytica</i>.

bioRxiv : the preprint server for biology·2026
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Cross-species protection suggests <i>Entamoeba histolytica</i> trogocytosis enables complement resistance through the transfer of negative regulators of complement activation.

Infection and immunity·2025
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Work with me here: variations in genome content and emerging genetic tools in Entamoeba histolytica.

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ICAP 2024: anaerobic protozoology in focus, a partnership with parasitology societies in the South Pacific.

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Entamoeba histolytica Develops Resistance to Complement Deposition and Lysis after Acquisition of Human Complement-Regulatory Proteins through Trogocytosis.

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Related Experiment Video

Updated: Jun 24, 2026

Derivation of Mouse Trophoblast Stem Cells from Blastocysts
10:19

Derivation of Mouse Trophoblast Stem Cells from Blastocysts

Published on: June 8, 2010

Trogocytosis.

Felina P Loya1, Katherine S Ralston1

  • 1Department of Microbiology and Molecular Genetics, University of California, Davis, CA, USA.

Current Biology : CB
|June 22, 2026
PubMed
Summary

Trogocytosis is a cellular process where one cell engulfs fragments from another. This research introduces and defines this key biological mechanism for cell-cell interactions.

Area of Science:

  • Cell Biology
  • Immunology

Background:

  • Cellular interactions involve complex mechanisms for material exchange.
  • Understanding how cells interact is crucial for various biological processes.

Purpose of the Study:

  • To introduce and define the process of trogocytosis.
  • To provide a framework for studying cell fragment internalization.

Main Methods:

  • Literature review and conceptual synthesis.
  • Analysis of existing cell biology research.

Main Results:

  • Trogocytosis is defined as a eukaryotic cell "biting" and internalizing fragments of another cell.
  • This process represents a distinct form of cell-cell interaction.

More Related Videos

Concomitant Isolation of Primary Astrocytes and Microglia for Protozoa Parasite Infection
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Concomitant Isolation of Primary Astrocytes and Microglia for Protozoa Parasite Infection

Published on: March 18, 2020

Transcriptional Analysis by Nascent RNA FISH of In Vivo Trophoblast Giant Cells or In Vitro Short-term Cultures of Ectoplacental Cone Explants
08:26

Transcriptional Analysis by Nascent RNA FISH of In Vivo Trophoblast Giant Cells or In Vitro Short-term Cultures of Ectoplacental Cone Explants

Published on: August 31, 2016

Related Experiment Videos

Last Updated: Jun 24, 2026

Derivation of Mouse Trophoblast Stem Cells from Blastocysts
10:19

Derivation of Mouse Trophoblast Stem Cells from Blastocysts

Published on: June 8, 2010

Concomitant Isolation of Primary Astrocytes and Microglia for Protozoa Parasite Infection
09:34

Concomitant Isolation of Primary Astrocytes and Microglia for Protozoa Parasite Infection

Published on: March 18, 2020

Transcriptional Analysis by Nascent RNA FISH of In Vivo Trophoblast Giant Cells or In Vitro Short-term Cultures of Ectoplacental Cone Explants
08:26

Transcriptional Analysis by Nascent RNA FISH of In Vivo Trophoblast Giant Cells or In Vitro Short-term Cultures of Ectoplacental Cone Explants

Published on: August 31, 2016

Conclusions:

  • Trogocytosis is a significant biological process with implications for immunity and tissue dynamics.
  • Further research is needed to elucidate the molecular mechanisms and biological roles of trogocytosis.