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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...
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Multiple Allele Traits

The Concept of Multiple Allelism
Hemoglobin01:24

Hemoglobin

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When all four heme groups are bound to oxygen, the resulting molecule is called oxyhemoglobin. As a result, arterial blood...
The ABO Blood Group01:12

The ABO Blood Group

The ABO blood group system is a critical element of transfusion medicine, essential for determining blood compatibility in transfusions and organ transplants. It is based on specific antigens, or agglutinogens, present on the surface of red blood cells (RBCs) and corresponding antibodies, or agglutinins, in the blood plasma.
Antigens in the ABO Blood Group System
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Alternative RNA Splicing02:18

Alternative RNA Splicing

Alternative RNA splicing is the regulated splicing of exons and introns to produce different mature mRNAs from a single pre-mRNA. Unlike in constitutive splicing where a single gene produces a single type of mRNA, alternative splicing allows an organism to produce multiple proteins from a single gene and plays an important role in protein diversity.
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Blood Types02:20

Blood Types

Human blood is classified into different types based on the presence of antigens on the red blood cell's surface and antibodies in the plasma. Proper identification of blood type is essential for successful blood transfusion. The International Society of Blood Transfusion has identified 38 human blood types based on the surface antigens on the red blood cells. The most common types are ABO, Rh, and MNS blood types.
ABO blood group
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Related Experiment Video

Updated: Jun 27, 2026

Detection of Residual Donor Erythroid Progenitor Cells after Hematopoietic Stem Cell Transplantation for Patients with Hemoglobinopathies
11:59

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

Published on: September 6, 2017

The alpha thalassaemias.

D R Higgs1, D J Weatherall

  • 1Weatherall Institute of Molecular Medicine, John Radcliffe Hospital, University of Oxford, Headington, Oxford OX39DS, United Kingdom.

Cellular and Molecular Life Sciences : CMLS
|November 21, 2008
PubMed
Summary
This summary is machine-generated.

Alpha thalassaemia research reveals mechanisms behind its high frequency in tropical regions and its varied symptoms. Rare disorders like ATR-16 and ATR-X offer insights into mental retardation and gene regulation.

Related Experiment Videos

Last Updated: Jun 27, 2026

Detection of Residual Donor Erythroid Progenitor Cells after Hematopoietic Stem Cell Transplantation for Patients with Hemoglobinopathies
11:59

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 and Molecular Biology
  • Human Molecular Pathology
  • Hematology

Background:

  • Alpha thalassaemia is prevalent in tropical populations, exhibiting significant phenotypic heterogeneity.
  • Understanding alpha thalassaemia mechanisms is crucial for human molecular pathology.
  • Rare disorders ATR-16 and ATR-X provide insights into mental retardation and gene regulation.

Purpose of the Study:

  • To elucidate the mechanisms driving the high frequency of alpha thalassaemia in tropical countries.
  • To define the molecular basis of phenotypic heterogeneity in alpha thalassaemia.
  • To explore the spectrum of molecular lesions in ATR-16 and ATR-X and their relation to mental retardation.

Main Methods:

  • Analysis of genetic data related to alpha thalassaemia.
  • Investigation of molecular mechanisms underlying gene regulation.
  • Characterization of molecular lesions in ATR-16 and ATR-X.

Main Results:

  • Initial findings indicate specific mechanisms contributing to alpha thalassaemia's high prevalence.
  • Progress has been made in defining the causes of varied alpha thalassaemia phenotypes.
  • ATR-16 and ATR-X studies are revealing links between molecular defects and intellectual disability.

Conclusions:

  • Alpha thalassaemia research is advancing the understanding of gene regulation and human disease.
  • Studies on ATR-16 and ATR-X contribute valuable knowledge to the field of neurogenetics and molecular pathology.
  • These genetic disorders serve as important models for studying complex human diseases.