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Blood Typing

Blood Typing

Understanding an individual's blood group is a critical component of transfusion medicine. It ensures compatibility in blood transfusions, organ transplants, and even during pregnancy. Determining these blood groups involves the ABO and Rh blood typing systems, utilizing specific antigens and corresponding anti-sera to identify an individual's blood type.
Antigens are protein molecules that reside on the surface of red blood cells (RBCs). The ABO and Rh blood typing systems target antigens A,...

Blood Types

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
ABO antigens are glycoproteins encoded by genes present on...

The ABO Blood Group

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
Antigens are substances that can trigger an immune response, leading to the production of antibodies. In the ABO blood group system,...

Ribosome Profiling

Ribosome Profiling

Ribosome profiling or ribo-sequencing is a deep sequencing technique that produces a snapshot of active translation in a cell. It selectively sequences the mRNAs protected by ribosomes to get an insight into a cell’s translation landscape at any given point in time.
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique helps...

Rh Blood Group

Rh Blood Group

The Rhesus (Rh) antigen is crucial in determining blood groups and ensuring compatibility during blood transfusions.

Blood Transfusion

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.
Blood Transfusion Overview
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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Related Experiment Video

Updated: Jun 10, 2026

Isolating Human Peripheral Blood Mononuclear Cells and CD4+ T cells from Sézary Syndrome Patients for Transcriptomic Profiling

Isolating Human Peripheral Blood Mononuclear Cells and CD4+ T cells from Sézary Syndrome Patients for Transcriptomic Profiling

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A transcriptome-based examination of blood group expression.

S-J Noh¹, Y T Lee, C Byrnes

¹Molecular Medicine Branch, National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health (NIH), 31 Center Drive, Bethesda, Building 10, Room 9N311, MD 20892, USA.

Transfusion Clinique Et Biologique : Journal De La Societe Francaise De Transfusion Sanguine

|August 6, 2010

Summary

Genetic advancements reveal new insights into blood group antigens. This study analyzes blood group gene expression during red blood cell development, finding specific patterns and erythroid-specific transcription for many genes.

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Last Updated: Jun 10, 2026

Isolating Human Peripheral Blood Mononuclear Cells and CD4+ T cells from Sézary Syndrome Patients for Transcriptomic Profiling

Isolating Human Peripheral Blood Mononuclear Cells and CD4+ T cells from Sézary Syndrome Patients for Transcriptomic Profiling

Published on: October 14, 2021

Identification of Coding and Non-coding RNA Classes Expressed in Swine Whole Blood

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Published on: November 28, 2018

Purification and microRNA Profiling of Exosomes Derived from Blood and Culture Media

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Published on: June 14, 2013

Area of Science:

Genetics
Hematology
Molecular Biology

Background:

Recent decades have seen significant genetic discoveries regarding blood group antigens and their carrier molecules.
Genetic progress has improved understanding of these associated antigens.

Purpose of the Study:

To investigate the integrated regulation and function of blood groups.
To analyze transcript levels of 36 associated blood group genes.

Main Methods:

Studied mRNA transcript levels from directly sampled reticulocytes.
Analyzed mRNA transcript levels from cultured primary erythroblasts.
Generated transcriptome profiles to understand gene expression patterns.

Main Results:

Transcriptome profiles indicate highly regulated blood group gene expression during erythroid differentiation and ontogeny.
Approximately one-third of blood group carrier genes are transcribed in an erythroid-specific manner.
Most carbohydrate-associated genes showed low-level and indistinct expression.

Conclusions:

Blood group gene expression is tightly regulated during red blood cell development.
Further methods are being developed to explore and manipulate blood group gene expression throughout human erythropoiesis.