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Related Concept Videos

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...
The Early Endosome: Endocytosis of Transferrin01:28

The Early Endosome: Endocytosis of Transferrin

Essential proteins such as insulin or low-density lipoprotein (LDL) and micronutrients such as iron enter a eukaryotic cell through receptor-mediated endocytosis. Subsequently, the early endosomes fuse with the vesicles containing such receptor-ligand complexes and play a vital role in sorting the incoming ligands and receptors. While the ligands are either degraded inside the vesicle or released into the cytosol, their receptors are returned to the plasma membrane for further rounds of...
Introduction to Membrane Traffic01:44

Introduction to Membrane Traffic

The ER, Golgi apparatus, endosomes, and lysosomes work in tandem to modify, sort, and package proteins and lipids. An integrated membrane trafficking network facilitates the back and forth shuttling of molecules within different organelles in the same cell or across the cell membrane.
The transport of soluble and membrane proteins is mediated by transport vesicles that collect cargo from one cellular compartment and deliver it to another by fusing with the target organelle membrane. The Rab...
Overview of Protein Sorting and Transport01:45

Overview of Protein Sorting and Transport

Eukaryotic cells have different membrane-bound organelles with distinct protein requirements. The process by which proteins are targeted to a specific organelle is called protein sorting.
Protein sorting can be of two types: signal-based sorting and vesicle-based trafficking. In signal-based sorting, specific amino acid sequences called sorting signals target proteins to the proper location inside the cell either via gated transport or by protein translocation.  In gated transport, folded...
Export of Misfolded Proteins out of the ER01:32

Export of Misfolded Proteins out of the ER

After folding, the ER assesses the quality of secretory and membrane proteins. The correctly folded proteins are cleared by the calnexin cycle for transport to their final destination, while misfolded proteins are held back in the ER lumen. The ER chaperones attempt to unfold and refold the misfolded proteins but sometimes fail to achieve the correct native conformation. Such terminally misfolded proteins are then exported to the cytosol by ER-associated degradation or ERAD pathway for...
Vesicular Trasport: Endocytosis, Transcytosis and Exocytosis01:18

Vesicular Trasport: Endocytosis, Transcytosis and Exocytosis

Vesicular transport is a cellular process that encompasses the engulfment of particles or dissolved substances by cells. It involves endocytosis, transcytosis, and exocytosis.
Endocytosis is a cellular mechanism that involves the inward folding of the cell membrane to create vesicles that capture and transport large drug molecules. This process comprises two distinct methods: pinocytosis (often referred to as "cell drinking") and phagocytosis (often referred to as "cell eating"). Pinocytosis is...

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Related Experiment Video

Updated: Jun 12, 2026

The Microscopy-Based Assay to Study and Analyze the Recycling Endosomes using SNARE Trafficking
08:51

The Microscopy-Based Assay to Study and Analyze the Recycling Endosomes using SNARE Trafficking

Published on: February 12, 2022

Transport at the recycling endosome.

Victor W Hsu1, Rytis Prekeris

  • 1Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA. vhsu@rics.bwh.harvard.edu

Current Opinion in Cell Biology
|June 15, 2010
PubMed
Summary

The recycling endosome (RE) is a key cellular component for protein transport. Recent studies reveal its complex roles beyond simple recycling, uncovering new pathways and functional domains.

Area of Science:

  • Cell Biology
  • Molecular Biology
  • Endosomal Sorting

Background:

  • The recycling endosome (RE) was traditionally viewed as a simple recycling center within the early endosome.
  • Its role was primarily understood as returning internalized cargo to the plasma membrane.

Purpose of the Study:

  • To explore the increasingly recognized complex intracellular itineraries of the RE.
  • To identify key cargo molecules and transport factors involved in these novel RE pathways.
  • To delineate the functional domains within the RE.

Main Methods:

  • Not explicitly stated in the abstract, but likely involves advanced microscopy, biochemical assays, and genetic manipulation.
  • Focus on identifying and characterizing cargo molecules and transport factors.

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Analysis of Endocytic Uptake and Retrograde Transport to the Trans-Golgi Network Using Functionalized Nanobodies in Cultured Cells
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Analysis of Endocytic Uptake and Retrograde Transport to the Trans-Golgi Network Using Functionalized Nanobodies in Cultured Cells

Published on: February 21, 2019

Density Gradient Ultracentrifugation for Investigating Endocytic Recycling in Mammalian Cells
05:13

Density Gradient Ultracentrifugation for Investigating Endocytic Recycling in Mammalian Cells

Published on: June 30, 2021

Related Experiment Videos

Last Updated: Jun 12, 2026

The Microscopy-Based Assay to Study and Analyze the Recycling Endosomes using SNARE Trafficking
08:51

The Microscopy-Based Assay to Study and Analyze the Recycling Endosomes using SNARE Trafficking

Published on: February 12, 2022

Analysis of Endocytic Uptake and Retrograde Transport to the Trans-Golgi Network Using Functionalized Nanobodies in Cultured Cells
11:05

Analysis of Endocytic Uptake and Retrograde Transport to the Trans-Golgi Network Using Functionalized Nanobodies in Cultured Cells

Published on: February 21, 2019

Density Gradient Ultracentrifugation for Investigating Endocytic Recycling in Mammalian Cells
05:13

Density Gradient Ultracentrifugation for Investigating Endocytic Recycling in Mammalian Cells

Published on: June 30, 2021

Main Results:

  • The RE participates in a more intricate network of intracellular transport pathways than previously known.
  • Identification of specific cargo molecules and transport factors crucial for these complex RE functions.

Conclusions:

  • The RE's role in cellular transport is more multifaceted than initially understood.
  • Ongoing research is revealing functional compartmentalization within the RE.
  • Further investigation promises to refine our understanding of endosomal sorting and trafficking.