PJB-2017-703
The Effect of Typha domingensis Pollen on BALB/C Mice mimicking Local Allergic Rhinitis like Symptoms
Muneeba Khan
Abstract
Airborne pollen grains found commonly in the air usually cause hay fever or pollinosis. Typha sp. pollen grain has been frequently reported in various aerobiological surveys from Sindh, Pakistan. This study was designed to investigate the allergenic potential of Typha domingensis Pres. Animal model was developed for in-vivo testing of pollen allergy. Freshly collected pollen powder was used for intranasal sensitization of Balb/c mice. In-vitro testing of the pollen was also done quantitatively (Bradford’s method) and qualitatively (SDS-PAGE analysis). The results of in-vivo study showed that the group of mice exposed to the dried pollen powder, experienced allergy symptoms including itching and rubbing of eyes, feet, and tail along with frequent episodes of sneezing. The results were confirmed by performing differential blood count of mice. Obtained data was statistically analyzed by using Sigma plot that revealed significant 4-fold increase in eosinophil count in sensitized mice as compared to control (Two tailed t-test with p-value <0.001). SDS-PAGE analysis of extracted proteins showed that the proteins resolved into six bands of molecular weight ranging from 20 KDa- 55 KDa. In current study, data strongly depicts that T. domingensis could be possible allergenic particle. This study would also aid in allergy suffering patient therapy.
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