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Related Concept Videos

Glucose Homeostasis: Regulation of Blood Glucose01:02

Glucose Homeostasis: Regulation of Blood Glucose

Carbohydrates consumed through foods are converted into glucose, a crucial energy source for the body. In the prandial state, high blood glucose levels stimulate the secretion of insulin from the pancreas. Insulin inhibits hepatic glucose production and stimulates glucose uptake and metabolism by muscle and adipose tissue. The excess glucose is converted into glycogen and stored in the liver and muscles.
During fasting, when blood glucose levels are low, the pancreas secretes glucagon. it...
Model Approaches for Pharmacokinetic Data: Physiological Models01:15

Model Approaches for Pharmacokinetic Data: Physiological Models

Physiological models in pharmacokinetics are instrumental in understanding the distribution and elimination of drugs within the body. These models describe the drug concentration within target organs, influenced by factors such as drug uptake, tissue volume, and blood flow. Drug uptake is governed by the partition coefficient, which signifies the drug concentration ratio in tissue to that in the blood. The blood flow rate to a specific tissue is expressed as Qt, and the rate of change in tissue...
Hormones Regulating Blood Glucose01:16

Hormones Regulating Blood Glucose

Insulin is released by beta cells of the pancreas when blood glucose levels are high. It facilitates glucose absorption and utilization in insulin-dependent cells with insulin receptors on their plasma membranes. Insulin promotes glucose uptake by increasing the number of glucose transport proteins in the cell membrane, allowing glucose to enter the cell. As a result, glucose utilization and ATP production are enhanced.
In addition to accelerating glucose uptake and utilization, insulin has...
Glucose Homeostasis: Pancreatic Islets and Insulin Secretion01:27

Glucose Homeostasis: Pancreatic Islets and Insulin Secretion

The pancreatic islets comprising only 1%-2% of the volume are highly vascularized and innervated mini-organs. They contain five endocrine cell types, including β cells that secrete insulin, which is synthesized as a single polypeptide chain, preproinsulin, processed to proinsulin, and finally to insulin and C-peptide. This process is complex and regulated, involving the Golgi complex, the endoplasmic reticulum, and the secretory granules of the β cell.
Insulin and C-peptide are co-secreted in...
Physiological Pharmacokinetic Models: Blood Flow-Limited Versus Diffusion-Limited Models00:57

Physiological Pharmacokinetic Models: Blood Flow-Limited Versus Diffusion-Limited Models

Physiological pharmacokinetic models, often called flow-limited or perfusion models, typically assume a swift drug distribution between tissue and venous blood, creating a rapid drug equilibrium. This premise is based on the idea that drug diffusion is extremely fast, and the cell membrane presents no barrier to drug permeation. In this scenario, where no drug binding occurs, the drug concentration in the tissue equals that of the venous blood leaving the tissue. This greatly simplifies the...

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Related Experiment Video

Updated: Jul 17, 2026

Evaluation of Hepatic Glucose Production in a Polycystic Ovary Syndrome Mouse Model
09:44

Evaluation of Hepatic Glucose Production in a Polycystic Ovary Syndrome Mouse Model

Published on: March 5, 2022

Distributed model of human glucose metabolism and computer simulation study.

Jia Rui1, Bai Jing

  • 1Biomedical Engineering Department, Tsinghua University, Beijing, CO 100084 China (phone: +8610-62786460-4; fax: +8610-62780650;

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference
|February 7, 2007
PubMed
Summary

This study models organ glucose metabolism to understand carbohydrate metabolism dynamics. The findings aid in comprehending metabolic processes and treating metabolic diseases.

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Extracellular Glucose Depletion as an Indirect Measure of Glucose Uptake in Cells and Tissues Ex Vivo
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Evaluation of Hepatic Glucose Production in a Polycystic Ovary Syndrome Mouse Model
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Study of In Vivo Glucose Metabolism in High-fat Diet-fed Mice Using Oral Glucose Tolerance Test (OGTT) and Insulin Tolerance Test (ITT)
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Study of In Vivo Glucose Metabolism in High-fat Diet-fed Mice Using Oral Glucose Tolerance Test (OGTT) and Insulin Tolerance Test (ITT)

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Extracellular Glucose Depletion as an Indirect Measure of Glucose Uptake in Cells and Tissues Ex Vivo

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Area of Science:

  • Physiology
  • Biochemistry
  • Computational Biology

Background:

  • Metabolism is fundamental to all living organisms.
  • Understanding carbohydrate metabolism is crucial for physiological health.
  • Existing models may not fully capture organ-level glucose dynamics.

Purpose of the Study:

  • To develop a compartment model for organ glucose metabolism.
  • To integrate this model into a non-linear cardiovascular model.
  • To simulate and analyze carbohydrate metabolism under various conditions.

Main Methods:

  • Physiological research on carbohydrate metabolism.
  • Development of a compartment model for organ glucose metabolism.
  • Incorporation into a multi-element non-linear cardiovascular model.
  • Simulation analysis of the integrated model.

Main Results:

  • Successfully established a compartment model of organ glucose metabolism.
  • Integrated the glucose metabolism model into a cardiovascular model.
  • Simulations demonstrated the model's ability to reflect carbohydrate metabolism status.
  • The model provides insights into metabolic mechanisms.

Conclusions:

  • The integrated model enhances understanding of carbohydrate metabolism.
  • This approach offers potential for advising on metabolic disease treatment.
  • Further research can refine the model for clinical applications.