Mary Anne R Castor, Maria Katrina Diana M Cruz, Gregg Austine M Balanag, Krystal M Hate, Roche Dana C Reyes, Maria Socorro Agcaoili-De Jesus, Cherie C Ocampo-Cervantes, Leslie Michelle M Dalmacio
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Identification of cross-reactive IgE-binding proteins from Philippine allergenic grass pollen extracts.
Background: Respiratory allergies are one of the most common allergic diseases that affect Filipinos. Grass pollen accounts for the majority of the outdoor allergens triggering these respiratory allergies. Cross-reactivity among the Philippine grass pollen grains has not been extensively studied.
Objective: This study aims to investigate the cross-reactivity of our local grasses and identify the cross-reactive allergens.
Methods: Grass pollen grains were collected and processed into crude allergenic extracts. The IgE-reactivity of these crude allergenic pollen extracts was studied using sera from patients who tested positive for the mentioned extracts. The proteins from the immunoblots of cross-reactive pollen allergen extracts were sequenced and identified.
Results: Allergenic pollen proteins were identified as cross-reactive among the grass pollen extracts. Four of these have not been listed yet as grass allergens in the World Health Organization/International Union of Immunological Societies allergen nomenclature database.
Conclusion: Local grass pollen allergens are cross-reactive with probable new allergens identified.
期刊介绍：
Asia Pacific Allergy (AP Allergy) is the official journal of the Asia Pacific Association of Allergy, Asthma and Clinical Immunology (APAAACI). Although the primary aim of the journal is to promote communication between Asia Pacific scientists who are interested in allergy, asthma, and clinical immunology including immunodeficiency, the journal is intended to be available worldwide. To enable scientists and clinicians from emerging societies appreciate the scope and intent of the journal, early issues will contain more educational review material. For better communication and understanding, it will include rational concepts related to the diagnosis and management of asthma and other immunological conditions. Over time, the journal will increase the number of original research papers to become the foremost citation journal for allergy and clinical immunology information of the Asia Pacific in the future.
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