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Neutrophil Isolation Protocol
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Published on: July 23, 2008

Lutheran.

G Daniels1

  • 1Bristol Institute for Transfusion Sciences, National Health Service, Blood and Transplant, North Bristol Park, Bristol, UK.

Immunohematology
|April 22, 2010
PubMed
Summary
This summary is machine-generated.

The Lutheran blood group system involves 19 antigens on Lutheran glycoproteins, crucial for red blood cell (RBC) development and vascular interactions. Antibodies in this system typically cause mild transfusion reactions or fetal/newborn hemolytic disease.

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Published on: October 7, 2009

Area of Science:

  • Immunogenetics
  • Hematology
  • Molecular Biology

Background:

  • The Lutheran blood group system comprises 19 antigens, including antithetical pairs and high-frequency antigens.
  • These antigens are expressed on Lutheran glycoproteins, encoded by the LU gene on chromosome 19.
  • Two isoforms of Lutheran glycoproteins exist, differing in cytoplasmic tail length due to alternative splicing.

Purpose of the Study:

  • To detail the genetic basis and molecular structure of the Lutheran blood group system.
  • To explore the clinical significance of Lutheran antibodies and associated phenotypes.
  • To elucidate the functional roles of Lutheran glycoproteins in RBC development and vascular processes.

Main Methods:

  • Genetic analysis of the LU gene and KLF1.
  • Characterization of Lutheran glycoprotein structure and expression.
  • Review of clinical data on Lutheran antibodies and transfusion reactions.

Main Results:

  • Lu(null) phenotype results from LU gene mutations; Lu(mod) phenotype (In(Lu)) arises from KLF1 mutations.
  • Lutheran antibodies generally cause mild hemolytic transfusion reactions or hemolytic disease of the fetus and newborn.
  • Lutheran glycoproteins bind laminin alpha5 chains, potentially aiding RBC circulation and involvement in vascular events.

Conclusions:

  • The Lutheran blood group system is genetically complex with significant clinical implications for transfusion medicine.
  • Lutheran glycoproteins play a role in RBC trafficking and may be implicated in thrombotic disorders.
  • Understanding the Lutheran system aids in managing transfusion reactions and fetal/newborn complications.