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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/29167
Title: Avian and human influenza a virus receptors in trachea and lung of animals
Authors: Sukanya Thongratsakul
Yasuo Suzuki
Hiroaki Hiramatsu
Thavajchai Sakpuaram
Theerapol Sirinarumitr
Chaithep Poolkhet
Pattra Moonjit
Rungrueang Yodsheewan
Thaweesak Songserm
Kasetsart University
Center of Excellence on Agricultural Biotechnology: (AG-BIO/PERDO-CHE)
College of Life and Health Sciences
University of Shizuoka
Mahidol University
Keywords: Immunology and Microbiology;Medicine
Issue Date: 1-Dec-2010
Citation: Asian Pacific Journal of Allergy and Immunology. Vol.28, No.4 (2010), 294-301
Abstract: Background: Influenza A viruses are capable of crossing the specific barrier between human beings and animals resulting in interspecies transmission. The important factor of potential infectivity of influenza A viruses is the suitability of the receptor binding site of the host and viruses. The affinities of avian and human influenza virus to bind with the receptors and the distributions of receptors in animals are different. Objective: This study aims to investigate the anatomical distribution of avian and human influenza virus receptors using the double staining lectin histochemistry method. Methods: Double staining of lectin histochemistry was performed to identify both SA α2,3 Gal and SA α2,6 Gal receptors in trachea and lung tissue of dogs, cats, tigers, ferret, pigs, ducks and chickens. Results: We have demonstrated that avian and human influenza virus receptors were abundantly present in trachea, bronchus and bronchiole, but in alveoli of dogs, cats and tigers showed SA α2,6 Gal only. Furthermore, endothelial cells in lung tissues showed presence of SA α2,3 Gal. Conclusion: The positive sites of both receptors in respiratory tract, especially in the trachea, suggest that all mammalian species studied can be infected with avian influenza virus. These findings suggested that dogs and cats in close contact with humans should be of greater concern as an intermediate host for avian influenza A in which there is the potential for viral adaptation and reassortment.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=78650811983&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/29167
ISSN: 0125877X
Appears in Collections:Scopus 2006-2010

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