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oa Current Allergy & Clinical Immunology - An overview of the indigenous and alien allergens of southern Africa : review article

Volume 26, Issue 4
  • ISSN : 1609-3607

 

Abstract

Since the allergens causing clinical disease in Southern Africa were first identified in 1956 there has been a steady rise in the prevalence of allergic diseases in all populations. Although initial allergens were found to represent alien or introduced species, e.g. Bermuda grass, maize, lucerne, it later became apparent that indigenous allergens were also allergenic. Other major alien allergens which were imported into our region include oak, plane, pine and eucalyptus trees, the American, German and Oriental cockroaches, and fruits, e.g. kiwi and olive. The first truly African indigenous pollen allergen to be characterised was kikuyu grass () followed by buffalo grass (). Subsequently indigenous food allergens identified and characterised include abalone (), cobra venom (), mopane worms (), Rhodesian flame lily, and the African penguin (). Several indigenous food sources are suspected to be causing food allergies in Botswana and are currently being investigated for allergenicity. In addition to the indigenous allergens described in this overview, South African researchers have also contributed to investigating and understanding the immunogenicity of other 'global allergens' such as Imbuia wood, verbena hybrid and . The database of the aerobiology of the region shows a wide diversity of pollen and mould allergens.

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/content/caci/26/4/EJC148499
2013-11-01
2020-07-14

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