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  • Title: Studies on allergens of mammalian origin.
    Author: Calam DH, Davidson J, Ford AW.
    Journal: J Chromatogr; 1984 Apr 20; 288(1):137-45. PubMed ID: 6725469.
    Abstract:
    Cat and dog saliva and extracts obtained from cat and dog hair have been examined by high-performance liquid chromatography (HPLC) to identify the likely allergenic molecules. Separation of the materials by size exclusion HPLC showed that several components in the range of apparent molecular weight from 35,000 to 200,000 had inhibitory activity in the radioallergosorbent test (RAST) when tested against pooled serum from donors hypersensitive to dogs and cats. One of these components active in our test system was identified as albumin. Despite differences in gross composition of the extracts no significant difference in the position of the active fractions was observed between cat hair and saliva, between dog hair and saliva or between hair extracts from different breeds of dog. Fractionation by anion-exchange HPLC, although promising, was complicated by problems of sensitivity.
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