Blood Group, Vel System; Vel


The Vel blood group system is defined by the presence of the Vel antigen on red blood cells. Vel is a high frequency antigen that shows variable strength, ranging from strong to weak. The rare Vel-negative blood type is inherited as an autosomal recessive trait and is typically unveiled when Vel-negative individuals develop anti-Vel antibodies after transfusion or pregnancy; Vel alloantibodies are never 'naturally occurring.' Individuals with anti-Vel antibodies may develop severe acute hemolytic transfusion reactions when transfused with Vel-positive blood. Individuals negative for the Vel antigen are rare and are required for the safe transfusion of patients with antibodies to Vel (summary by Daniels, 2002; Storry et al., 2013; Cvejic et al., 2013; Ballif et al., 2013).

Clinical Features

Phenotypes and symptoms related to Blood Group, Vel System; Vel

  • Neoplasm
  • Colon cancer

Incidence and onset information

— Currently we don't have prevalence information about this disease (Not enough data available about incidence and published cases.)
No data available about the known clinical features onset.

Researches and researchers

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Sources and references

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OMIM Rare Disease Symptoms Checker

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