Allergen profile

Allergen: Blue grass, (Kentucky) Family name: Grasses Scientific name: Poa pratensis L. Family name latin: Poaceae   Description: Up to 60 cm tall meadow-grass with outspread, pyramid-formed panicle and long underground runners; perennial; flowering season: V - VII; good fodder;   Occurence: Widespread and common in five subspecies in meadows, pastures and weed communities, along paths and dams as well as in sparse forests; up to an altitiude of 3000 m;   Related species: The genus poa conatins approx. 20 further species. The most frequent of these are: Poa trivialis L., rough meadow-grass; frequent in meadows, cultivated fields and bushes (VI - VII); Poa annua L., annual blue grass; very frequent on cultivated fields, in ruderal areas and gardens (II - XI); Poa nemoralis L., forest blue grass; in sparse deciduous forests and brush (V - VII);   Allergy trigger: Pollen, approx. 20 x 25 µm;   Invasions path: Inhalative (May - July);   Allergology: Belongs to the most frequent grass pollen allergens and has a correspondingly high clinical relevance; over 90% of grass pollen allergy sufferers react to this species; forms an antigen community with Phleum pratense, Secale cereale, Dactylis glomerata and Cynodon dactylon;   Immunology: Primary allergen: poa p I, MW 33 000 - 36 000; Secondary allergen: poa p IV; poa p V, MW 26 000 - 28 000; poa p IX; poa p X;   Exposure from: May   Exposure to: October   Clinical relevance: heavy   Cross reactivities: Occurrence frequently Bermuda grass Timothy Cocksfoot Ryegrass, perennial Occurrence possible Wheat flour Rye flour Oat flour Barley flour Couch grass Johnson grass (Sudan grass) Vernal grass, scented Rye-grass Wheat, common Oats, common Corn Barley Sunflower, common Meadow fescue Reed, common