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Abstract
Pollinosis caused by several allergenic proteins in pollen grains has been a major problem of healthcare in most parts of the world. Environmental factors such as air pollution are known to alter the release of allergenic pollen proteins from a variety of the plant species. Cassia siamea is commonly planted along roadsides and in industrialised areas in many parts of India. The present study reports the findings of animal experiments demonstrating the effect of air pollution on the allergenicity of Cassia siamea pollen proteins. Total white blood cell (WBC) count and lymphocyte count were significantly higher in animals that received protein extract of pollen collected from a polluted site compared to those that received protein extract of pollen collected from a non-polluted site. This was concomitant with increased production of IgE antibodies; followed by marked degranulation of mast cell leading to heighten type I hypersensitivity in these animals. These results are important for the development of a consensus linking ever-increasing pollution due to industrialisation and an increase in associated pollinosis.
Acknowledgements
The authors are thankful to Tania Paul (APT Research Foundation), and the APT Research Foundation, Pune, India, for helping in the animal experiments.
Disclosure statement
No potential conflict of interest was reported by the authors.