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Related Concept Videos

Disorders of Erythrocytes01:27

Disorders of Erythrocytes

Disorders of erythrocytes, or red blood cells (RBCs), include a range of conditions affecting their number, shape, or function.
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
A low oxygen-carrying capacity of the blood due to the loss, lower production, or destruction of erythrocytes is termed anemia. Hemorrhagic anemia, for example, occurs when bleeding from an external wound or internal ulcer reduces erythrocyte counts.
On the other...
Gene Families01:57

Gene Families

Gene families consist of groups of genes proposed to have originated from a common ancestor. Typically these arise through events in which a gene or genes are mistakenly duplicated during cell division. Unlike their parent genes (which are subject to selection pressure to maintain function), these gene copies do not need to preserve their sequences and may evolve at a relatively faster rate.
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Hemoglobin01:24

Hemoglobin

Hemoglobin is a globular protein made up of four subunits. Two of these subunits are alpha chains, and the other two are beta chains. Each subunit contains a molecule of heme, which has an iron atom and can bind to oxygen. When an oxygen molecule binds to one heme group, it changes the shape of hemoglobin, making it easier for the other heme groups to bind oxygen as well.
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Rh Blood Group

The Rhesus (Rh) antigen is crucial in determining blood groups and ensuring compatibility during blood transfusions.
Oxygen Transport in the Blood01:27

Oxygen Transport in the Blood

Hemoglobin (Hb) is a crucial molecule in the human body, consisting of four polypeptide chains, each bound to an iron-containing heme group. This unique structure enables hemoglobin to bind to oxygen, with each molecule capable of combining with four molecules of oxygen, leading to rapid and reversible oxygen loading. When fully loaded with oxygen, it is called oxyhemoglobin, while hemoglobin that has released oxygen is called reduced hemoglobin or deoxyhemoglobin. As hemoglobin binds oxygen,...
Blood Transfusion01:15

Blood Transfusion

Blood transfusion is a critical medical procedure that saves lives and treats various medical conditions. It involves transferring blood from a donor to a recipient. This process requires a thorough understanding of the ABO blood group system and its associated antigens and antibodies.
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A blood transfusion is a medical procedure used to replace blood lost due to injury, surgery, or to treat conditions such as anemia or cancer. During a transfusion, donor blood is...

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Exploring Alternative Perfusion Solutions Using Next-Generation Polymerized Hemoglobin-Based Oxygen Carriers in a Model of Rat Ex Vivo Lung Perfusion
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Exploring Alternative Perfusion Solutions Using Next-Generation Polymerized Hemoglobin-Based Oxygen Carriers in a Model of Rat Ex Vivo Lung Perfusion

Published on: June 14, 2024

Hemoglobinopathies worldwide: present and future.

David J Weatherall1

  • 1Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Headington, Oxford, OX3 9DS, UK. liz.rose@imm.ox.ac.uk

Current Molecular Medicine
|November 11, 2008
PubMed
Summary
This summary is machine-generated.

Genetic hemoglobin disorders are common in developing nations. Governments and health agencies must recognize their significant health burden to ensure adequate patient care and resources.

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Last Updated: Jun 28, 2026

Exploring Alternative Perfusion Solutions Using Next-Generation Polymerized Hemoglobin-Based Oxygen Carriers in a Model of Rat Ex Vivo Lung Perfusion
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Published on: June 14, 2024

Detection of Residual Donor Erythroid Progenitor Cells after Hematopoietic Stem Cell Transplantation for Patients with Hemoglobinopathies
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Detection of Residual Donor Erythroid Progenitor Cells after Hematopoietic Stem Cell Transplantation for Patients with Hemoglobinopathies

Published on: September 6, 2017

Area of Science:

  • Genetics
  • Hematology
  • Public Health

Background:

  • Hemoglobin disorders are the most common monogenic diseases globally.
  • These genetic conditions are most frequent in developing countries, especially in Sub-Saharan Africa and Asia.
  • Current management and control efforts face limitations due to scarce expertise and facilities in many regions.

Purpose of the Study:

  • To highlight the significant health burden of hemoglobinopathies in developing countries.
  • To advocate for greater recognition of hemoglobin disorders by governments and international health agencies.
  • To emphasize the need for improved data on disease frequency and economic impact.

Main Methods:

  • Review of existing literature on hemoglobin disorder prevalence.
  • Analysis of current control and management strategies.
  • Preliminary economic and frequency data analysis for Asian populations.

Main Results:

  • Hemoglobin disorders represent a substantial health burden, comparable to major communicable diseases.
  • Preliminary data suggests the health burden in Asia may be underestimated.
  • Limited governmental and international agency recognition hinders progress.

Conclusions:

  • Hemoglobinopathies are a major neglected health issue in developing nations.
  • Increased political will and resource allocation are crucial for effective control and management.
  • Further research is needed to quantify the full health and economic impact to drive policy change.