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Related Concept Videos

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...
Diseases of the Liver and Gallbladder01:26

Diseases of the Liver and Gallbladder

Liver and gallbladder diseases are a significant health concern, with prominent conditions including cirrhosis, hepatitis, non-alcoholic fatty liver disease (NAFLD), and gallstones. Jaundice is a common manifestation of liver and biliary disease.
Cirrhosis is characterized by the scarring of hepatic lobules in the liver, which are replaced by fibrous tissue, affecting the liver's normal functioning. NAFLD, on the other hand, is caused by an excessive build-up of fat in the liver, not related to...
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...
Lifecycle of Erythrocytes01:22

Lifecycle of Erythrocytes

Erythrocytes, also known as red blood cells, constantly move through blood capillaries. As a result, they damage their plasma membrane due to the continuous friction. Typically, after 100 to 120 days, erythrocytes become rigid and fragile as they wear out. As they pass through small vessels in the spleen and liver, they can get trapped and break apart into fragments.
The resident phagocytic macrophages deal with these damaged cells by engulfing them and separating their globin and heme groups.
Hepatic Portal System01:21

Hepatic Portal System

The hepatic portal system, a critical part of our circulatory framework, transports nutrient-laden, deoxygenated blood from the gastrointestinal tract and spleen to the liver. This ingenious system plays an indispensable role in maintaining our body's metabolic equilibrium.
At its core, the hepatic portal vein is the result of a confluence of the superior and inferior mesenteric veins along with the splenic vein. Each of these veins has a unique role. The superior mesenteric vein is responsible...
Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test01:22

Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test

In clinical practice, the direct measurement of hepatic blood flow to evaluate liver function presents significant challenges due to the intricate and specialized nature of the necessary techniques. Consequently, healthcare professionals often rely on empirical estimates derived from thorough patient examinations and liver function tests to gauge liver health. Among the tools at their disposal, the Child–Pugh and MELD scoring systems stand out for their ability to categorize and assess the...

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Related Experiment Video

Updated: Jul 7, 2026

Measurement of Tissue Non-Heme Iron Content using a Bathophenanthroline-Based Colorimetric Assay
05:08

Measurement of Tissue Non-Heme Iron Content using a Bathophenanthroline-Based Colorimetric Assay

Published on: January 31, 2022

Iron and the liver: update 2008.

Yves Deugnier1, Pierre Brissot, Olivier Loréal

  • 1Service des maladies du Foie, INSERM CIC 0203, Université de Rennes 1 and IFR 140, CHU Pontchaillou, 35033 Rennes, France. yves.deugnier@univ-rennes1.fr

Journal of Hepatology
|February 29, 2008
PubMed
Summary

Recent advances in iron metabolism research have improved understanding of iron overload disorders. Key challenges remain in hepcidin regulation, genetic modifiers, and developing new therapies for iron metabolism.

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Last Updated: Jul 7, 2026

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05:08

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Area of Science:

  • Biochemistry
  • Genetics
  • Internal Medicine

Background:

  • Cross-talk between clinicians and scientists advanced iron metabolism understanding.
  • Discovery of iron-related genes, including hepcidin, improved homeostasis regulation.
  • Easier distinction between genetic and acquired iron overload disorders.

Purpose of the Study:

  • To review the current understanding of iron metabolism and iron overload disorders.
  • To highlight remaining challenges in the field.
  • To discuss potential future therapeutic strategies.

Main Methods:

  • Literature review of recent advancements in iron metabolism research.
  • Analysis of genetic factors influencing iron homeostasis.
  • Discussion of clinical implications and therapeutic developments.

Main Results:

  • Improved classification of genetic iron overload (e.g., HFE-related hemochromatosis) and non-hemochromatotic conditions.
  • Identification of key genes involved in iron regulation (HFE, hepcidin, ferroportin).
  • Recognition of ongoing challenges in hepcidin production regulation and modifier identification.

Conclusions:

  • Significant progress in understanding iron metabolism and genetic iron overload.
  • Further research is needed on hepcidin regulation and genetic/environmental modifiers.
  • Development of novel therapeutic tools for iron metabolism disorders is a key future direction.