Sensibilisation cutanée au cyprès à Casablanca

Àfif, H.; Mokahli, S.; Bourra, H.; Aichane, A.; Bouayad, Z.

doi:10.1016/j.allerg.2006.08.013

Cited by 4 publications

(2 citation statements)

References 15 publications

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“…Since then, cypress-cedar pollen allergy has been reported in numerous countries located in various geographical areas such as South Africa, [2] Australia, [3] France, [4] Italy, [5] Spain, [6] Marrocco, [7] Israel, [8] Albania, [9] Greece, [10] Turkey, [11] Iran, [12] and Japan [13] and is currently known as an increasing cause of pollinosis worldwide [14]. …”

Section: Introductionmentioning

confidence: 99%

IgE Reactivity to Common Cypress (C. Sempervirens) Pollen Extracts: Evidence for Novel Allergens

Shahali

Sutra

Peltre

et al. 2010

World Allergy Organization Journal

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BackgroundCypress pollen is becoming an increasing cause of respiratory allergy in some regions worldwide.ObjectiveThe aim of this study was to determine some of the main allergens implicated in the common cypress (C. sempervirens) pollen allergy.MethodsPollen extracts were optimized by using some detergents and chaotropes in order to solubilize both water and non-water soluble proteins. C. sempervirens pollen extracts were resolved by one and two dimensional electrophoresis and assayed with sera of allergic subjects.ResultsFive predominant allergens with apparent molecular masses ranging from 14 to 94 kDa were detected. Two principal IgE-binding patterns were clearly distinguishable: a first one represents patients with a heterogeneous IgE reactivity to several allergens (pI 3.5-8.5) with molecular masses ranging from 35 to 94 kDa (HMW). The second one corresponds to little less than 50 percent of tested patients with specific IgE binding to 2-3 spots (pI 10-11) of about 14 kDa and weak or no reactivity to HMW allergens.ConclusionThe extraction of water insoluble proteins allows the revelation of novel allergens as well as different allergen sensitization patterns in the C. sempervirens pollen allergy. These novel IgE reactive components may subsequently be applied to expand the panel of well-defined cypress pollen molecules for a more efficient allergen-based diagnosis and therapy.

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Section: Introductionmentioning

confidence: 99%

IgE Reactivity to Common Cypress (C. Sempervirens) Pollen Extracts: Evidence for Novel Allergens

Shahali

Sutra

Peltre

et al. 2010

World Allergy Organization Journal

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“…Cypress pollen allergy was reported for the first time in 1929 in the United States (Texas and New Mexico) [82] and in the early 1960s in Europe [83]. Cypress pollinosis is also reported in several locations worldwide: Japan [84], Australia [85], Iran [86], South Africa [87], the United States, and with special emphasis around the Mediterranean basin [88][89][90][91][92][93][94] (Figure 1).…”

Section: Epidemiology Of Cypress Pollen Allergymentioning

confidence: 99%

Respiratory Allergy to Conifers

Charpin¹,

Sénéchal²,

Poncet³

2022

Conifers - Recent Advances

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The conifers, from the latin meaning “cone carrier,” include about 650 species distributed in seven families. They are found all over the world, and the most known conifers are the cypresses, the junipers, the yews, the larches, the firs, or the pines. The most allergenic pollen is emitted by the Cupressaceae/Taxaceae family with mainly five different genera: Cupressus, Hesperocyparis, Juniperus, Cryptomeria, and Chamaecyparis. The symptomatic period starts in November and ends in April. In Mediterranean areas, Cupressus sempervirens is the most common pollinating species. Five main cypress allergens have been thoroughly described. Depending on the geographic area and the studied population, the prevalence of cypress allergy in the general population ranges from 0.6% to 3%, and 9–65% of outpatients consulting an allergist are sensitized to cypress pollen. This prevalence is increasing likely to be due to the modifications of the environment. Rhinitis is the most prevalent clinical symptom, while conjunctivitis is the most disabling. Clear-cut improvements of the quality of life are observed upon an effective and safe specific immunotherapy. Associations with food allergy based on molecular allergen cross-reactivities were described resulting in sometimes severe symptoms. Pollens from Pinaceae family, especially pines or firs, although abundant, do not demonstrate a significant clinical impact.

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