Latex is a product of the rubber tree, Hevea brasiliensis , it has 15 associated contact allergens.
Hev b 6 is a hevein precursor protein, this allergen is important in cross reactivity.
Hev b 7 is a patatin protein, again important in cross reactivity.
Hev b 8 is a profilin profilin, these are panallergens found in many plants and foods.
Hev b 11 is a chitinase, these are proteins found in other foods and contribute to cross reactivity of latex.
Hev b 12 is a lipid transfer protein (LTP) this is another panallergen and cause problems over multiple foods and plants.
An allergy to latex may give you the potential to be allergic to many foods and pollens, but you may only have contact issues with latex itself.
Latex is often associated with Latex Food Syndrome
. This is where the body is initially sensitised to the latex plant and later becomes allergic to foods which contain similarly shaped proteins.
Latex contains LTPs, this can link it to LTP Syndrome
, where LTPs in multiple plants and foods cause allergic reactions.
Turnips contain hevein, potatoes contain patatin and plants containing chitinase proteins are also found in chestnut, banana, avocado, pomegranate and maize (corn). These are all linked to Latex Food Syndrome. Airborne chitinase allergens are found in cockroaches, dust mites and coffee and might cause a problem for those who are very sensitive to latex.
Other plants containing airborne profilins are pigweed, ragweed, wormwood, birch tree, hemp, crocus, sunflower, olive, rice, plantain, poplar tree, mesquite, oak tree and maize (corn). Food containing profilins include pineapple, kiwi, celery, peanut, chilli, watermelon, muskmelon, hazelnut, orange, carrot, strawberry, soya beans, barley, walnut, lychee, lupin, apple, banana, dates, cherry, almond, peach, pear, mustard, tomato, aubergine and wheat.
Common foods involved in LTP allergy include kiwi, strawberries, sunflower seeds, walnut, apple, mulberry, banana, pea, apricot, cherry, plum, almond, peach pomegranate, raspberry, tomato, grape, celery, peanut, asparagus, cabbage, broccoli, chestnut, lemon, tangerine, orange, hazelnut, lettuce, lentils, lupin, green bean, pear, mustard, wheat and maize.
DermNet NZ - Latex Allergy
Allergen Encyclopedia - Latex
Science Direct - Hevein
Science Direct - Latex Allergy
ACAAI - Latex Allergy
Anaphylaxis Campaign - Natural Rubber Latex
HSE - Latex Allergies in Health and Social Care
Articles and Journals
Update on latex allergy: New insights into an old problem, 2021
Natural rubber latex allergy, 2021
Jackfruit Anaphylaxis in a Latex Allergic Non-Healthcare Worker, 2021
Latex Allergy: Current Status and Future Perspectives, 2020
Latex-fruit syndrome in Italian children and adolescents with natural rubber latex allergy, 2013
Diagnosis of latex allergy: the importance of Hev b 11, 2012
Latex Allergy: An Update, 2003
Cross-reactivity between Ficus benjamina latex and fig fruit in patients with clinical fig allergy, 2003
Class I chitinases as potential panallergens involved in the latex-fruit syndrome, 1999
Latex allergy, 1994
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