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Mechanisms of alloimmunization in sickle cell disease.

08:00 EDT 2nd September 2019 | BioPortfolio

Summary of "Mechanisms of alloimmunization in sickle cell disease."

Red blood cell (RBC) transfusion is an important treatment for some complications of sickle cell disease (SCD). On the contrary, transfusion may lead to alloimmunization to RBC antigens, with such alloantibodies putting patients at risk for acute or delayed hemolysis, and increasing the difficulty of finding compatible RBCs. Patients with SCD are more susceptible to developing RBC alloantibodies than other multiply transfused patient populations, for reasons that are not completely understood. In this review, we summarize the available data about risk factors and underlying mechanisms associated with RBC alloimmunization in SCD.

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Name: Current opinion in hematology
ISSN: 1531-7048
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Medical and Biotech [MESH] Definitions

One of the sickle cell disorders characterized by the presence of both hemoglobin S and hemoglobin C. It is similar to, but less severe than sickle cell anemia.

An abnormal hemoglobin resulting from the substitution of valine for glutamic acid at position 6 of the beta chain of the globin moiety. The heterozygous state results in sickle cell trait, the homozygous in sickle cell anemia.

An acute purulent infection of the meninges and subarachnoid space caused by Streptococcus pneumoniae, most prevalent in children and adults over the age of 60. This illness may be associated with OTITIS MEDIA; MASTOIDITIS; SINUSITIS; RESPIRATORY TRACT INFECTIONS; sickle cell disease (ANEMIA, SICKLE CELL); skull fractures; and other disorders. Clinical manifestations include FEVER; HEADACHE; neck stiffness; and somnolence followed by SEIZURES; focal neurologic deficits (notably DEAFNESS); and COMA. (From Miller et al., Merritt's Textbook of Neurology, 9th ed, p111)

A disease characterized by chronic hemolytic anemia, episodic painful crises, and pathologic involvement of many organs. It is the clinical expression of homozygosity for hemoglobin S.

The condition of being heterozygous for hemoglobin S.

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