Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Asymmetric Lipid Bilayer01:35

Asymmetric Lipid Bilayer

Biological membranes show uneven distribution of different types of lipids in the inner and outer layers, resulting in transverse asymmetric membranes. The treatment of the erythrocyte membrane with the enzyme phospholipase confirmed the asymmetric nature of the lipid bilayer. The enzyme hydrolyzes lipids into fatty acids and hydrophilic groups. The phospholipase acts only on the outer layer of the membrane, while the inner layer remains intact. The phospholipase treatment resulted in 80%...
Liver Histology01:27

Liver Histology

The microscopic anatomy of the liver is a complex and intricate system that comprises numerous structural units known as liver lobules, each of which is comparable in size to a sesame seed. These hexagonal structures consist of plates of liver cells or hepatocytes, which are characterized by their versatility and abundance of cellular apparatus like rough and smooth ER, Golgi apparatus, peroxisomes, and mitochondria.
Hepatocytes perform a variety of essential functions. They secrete...
Liver Regeneration01:24

Liver Regeneration

The liver is an important organ in vertebrates that plays an essential role in metabolism. It is also responsible for storing and redistributing nutrients such as carbohydrates, fats, and vitamins in the body. Additionally, the liver releases bile salts which are critical for digesting food and eliminating toxic metabolites from the body.
Cells of Liver
The liver comprises four major types of cells— hepatocytes, stellate, Kupffer, and sinusoidal endothelial cells. The hepatocytes are large...
Cell Polarization by Rho Proteins01:21

Cell Polarization by Rho Proteins

Cell polarity is the asymmetric distribution of cellular and membrane components, making one side of the cell different from the other. This polarity is essential to many processes such as embryogenesis, axon migration, glucose transport across epithelial cells, and directional cell migration. A migrating cell responds to intracellular or extracellular signals via molecular cascades that reorganize the actin cytoskeleton to establish this polarity. In these cells, the Rho family proteins Cdc42,...
Liver Physiology01:30

Liver Physiology

The liver, an essential organ in the human body, performs over 200 vital functions that can be broadly categorized into metabolic, hematological, endocrine regulation, and bile production.
Metabolic Regulation:
The liver is the central organ involved in regulating blood composition. It stabilizes blood glucose levels, maintaining them within the range of  70–110 mg/dL. When these levels drop, the liver breaks down glycogen reserves and releases glucose into the bloodstream. It can also...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Bile canaliculi formation in primary hepatocytes requires α1β1 integrin-dependent adherens junction re-organization.

Journal of cell science·2025
Same author

Borg5 restricts contractility and motility in epithelial MDCK cells.

Journal of cell science·2024
Same author

Greening automation: Wash and Re-use of disposable 384-well liquid handling tips to enable sustainable high-throughput vaccine development.

SLAS technology·2023
Same author

Live-cell Imaging of Biosynthetic Protein Transport in Hepatocytes.

Methods in molecular biology (Clifton, N.J.)·2022
Same author

Low Rho activity in hepatocytes prevents apical from basolateral cargo separation during trans-Golgi network to surface transport.

Traffic (Copenhagen, Denmark)·2020
Same author

Inhibition of polarity-regulating kinase PAR1b contributes to Helicobacter pylori inflicted DNA Double Strand Breaks in gastric cells.

Cell cycle (Georgetown, Tex.)·2018

Related Experiment Video

Updated: May 11, 2026

Semi-automated Production of Hepatocyte Like Cells from Pluripotent Stem Cells
05:43

Semi-automated Production of Hepatocyte Like Cells from Pluripotent Stem Cells

Published on: July 27, 2018

Hepatocyte polarity.

Aleksandr Treyer1, Anne Müsch

  • 1Albert Einstein College of Medicine, Department of Developmental and Molecular Biology, Bronx, New York, USA.

Comprehensive Physiology
|May 31, 2013
PubMed
Summary
This summary is machine-generated.

Hepatocytes exhibit unique polarity due to multipolar organization and transcytosis for protein trafficking. The serine/threonine kinase LKB1 is crucial for establishing and maintaining this distinct hepatic polarity.

More Related Videos

Isolation and 3D Collagen Sandwich Culture of Primary Mouse Hepatocytes to Study the Role of Cytoskeleton in Bile Canalicular Formation In Vitro
10:12

Isolation and 3D Collagen Sandwich Culture of Primary Mouse Hepatocytes to Study the Role of Cytoskeleton in Bile Canalicular Formation In Vitro

Published on: December 20, 2019

Defined and Scalable Generation of Hepatocyte-like Cells from Human Pluripotent Stem Cells
08:36

Defined and Scalable Generation of Hepatocyte-like Cells from Human Pluripotent Stem Cells

Published on: March 2, 2017

Related Experiment Videos

Last Updated: May 11, 2026

Semi-automated Production of Hepatocyte Like Cells from Pluripotent Stem Cells
05:43

Semi-automated Production of Hepatocyte Like Cells from Pluripotent Stem Cells

Published on: July 27, 2018

Isolation and 3D Collagen Sandwich Culture of Primary Mouse Hepatocytes to Study the Role of Cytoskeleton in Bile Canalicular Formation In Vitro
10:12

Isolation and 3D Collagen Sandwich Culture of Primary Mouse Hepatocytes to Study the Role of Cytoskeleton in Bile Canalicular Formation In Vitro

Published on: December 20, 2019

Defined and Scalable Generation of Hepatocyte-like Cells from Human Pluripotent Stem Cells
08:36

Defined and Scalable Generation of Hepatocyte-like Cells from Human Pluripotent Stem Cells

Published on: March 2, 2017

Area of Science:

  • Cell Biology
  • Hepatology
  • Epithelial Biology

Background:

  • Epithelial cells, including hepatocytes, are polarized to manage molecular exchange.
  • Hepatocytes display a unique multipolar organization and distinct protein trafficking mechanisms compared to other epithelia.

Purpose of the Study:

  • To compare the unique polarity of hepatocytes with columnar epithelial organization.
  • To review signaling mechanisms and protein trafficking governing hepatic polarity.

Main Methods:

  • Comparative analysis of hepatic and columnar epithelial polarity.
  • Review of signaling pathways and protein trafficking mechanisms in hepatocytes.

Main Results:

  • Hepatocytes utilize transcytosis for targeting membrane proteins, unlike polarized secretion seen in other epithelia.
  • The serine/threonine kinase LKB1, activated by taurocholate, is a key regulator of hepatic polarity.

Conclusions:

  • Hepatic polarity is shaped by the absence of a basal lamina and specific cell-cell adhesion signaling.
  • Understanding hepatic polarity is crucial for comprehending liver function and disease.