Related Experiment Video

Updated: Aug 6, 2026

Identification and Analysis of Mouse Erythroid Progenitors using the CD71/TER119 Flow-cytometric Assay
15:32

Identification and Analysis of Mouse Erythroid Progenitors using the CD71/TER119 Flow-cytometric Assay

Published on: August 5, 2011

Taurine flux in chicken erythrocytes

D W Porter1, W G Martin

  • 1Division of Animal and Veterinary Sciences, West Virginia University, Morgantown 26506-6108.

Comparative Biochemistry and Physiology. Comparative Physiology
|May 1, 1992
PubMed

Insights

Chick erythrocyte taurine levels and transport increase with age. Taurine may function as an osmoregulator, with its movement affected by sodium levels and osmotic pressure.

Area of Science:

  • Biochemistry
  • Cell Biology
  • Physiology

Background:

  • Taurine is an amino acid crucial for various physiological functions.
  • Understanding taurine's role in developing avian erythrocytes is important.

Purpose of the Study:

  • To investigate changes in chick erythrocyte taurine concentration and transport with age.
  • To explore the influence of sodium concentration and osmotic conditions on taurine metabolism.

Main Methods:

  • Measurement of intracellular taurine concentration in chick erythrocytes.
  • Assessment of taurine influx and efflux rates under varying extracellular conditions.
  • Analysis of taurine transport under hypo-osmotic and low sodium conditions.

Main Results:

  • Intracellular taurine concentration in chick erythrocytes increased with age.
  • Both taurine influx and efflux rates showed an age-dependent increase.
  • Erythrocyte taurine influx decreased under low extracellular sodium concentrations.
  • Taurine efflux from erythrocytes was elevated under hypo-osmotic conditions.

Conclusions:

  • Chick erythrocyte taurine metabolism undergoes significant changes during early post-hatch development.
  • Taurine appears to play a role in osmoregulation within chick erythrocytes.
  • Sodium concentration and osmotic balance are key factors influencing erythrocyte taurine transport.

More Related Videos

Measurement of Heme Synthesis Levels in Mammalian Cells09:43

Measurement of Heme Synthesis Levels in Mammalian Cells

Published on: July 9, 2015

Mouse Fetal Liver Culture System to Dissect Target Gene Functions at the Early and Late Stages of Terminal Erythropoiesis06:40

Mouse Fetal Liver Culture System to Dissect Target Gene Functions at the Early and Late Stages of Terminal Erythropoiesis

Published on: September 9, 2014

Related Concept Videos

Erythropoiesis01:14

Erythropoiesis

Red blood cells  (RBCs) transport oxygen to all body tissues. These cells survive only for 120 days and then need to be replenished. Erythropoiesis is the process of RBC production. In healthy individuals, erythropoiesis ensures all tissues are amply supplied with oxygen. In addition, blood loss due to injury leads to a drop in the physiological oxygen level that will cause erythropoiesis. Any defect in erythropoiesis leads to several physiological disorders, including thalassemia, anemia, and...
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.
Factors Affecting Erythropoiesis01:24

Factors Affecting Erythropoiesis

The cardiovascular system regulates the number of erythrocytes in the bloodstream to ensure optimal oxygen transport. It also prevents over-proliferation of these cells, which helps to maintain blood viscosity and flow rate.
Several factors influence the erythrocyte production rate, with tissue oxygen level being among the most critical. Intense exercise or high altitudes can cause tissue hypoxia, which triggers the kidneys to release more erythropoietin (EPO) into the bloodstream.
EPO then...