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  • Book
    edited by Peixuan Guo, Farzin Haque.
    Digital Access Springer 2015
  • Article
    Rocha M, Cabezas M, Cabezas JA.
    Comp Biochem Physiol B. 1978;60(3):239-44.
    1. Leucocytes from the blood of adult and young donkeys (Equus asinus L.), adult horses (Equus caballus L.), adult mules (Equus asinus x Equus caballus) and adult pigs (Sus scrofa L.) were obtained in a high degree of purity (99.9%) using Na2-EDTA-dextrans mixtures. 2. Sialic acids were released, purified, identified and determined from both non-delipided and delipided leucocytes. 3. N-glycolylneuraminic was the predominant sialic acid. N-acetylneuraminic acid and N,O-diacetyl-neuraminic acid were also found in all materials. Except in pig, other unidentified sialic acid(s) were also detected. 4. The concentration of total sialic acids (microgram/mg protein) is different according to the species, and in donkey species according to the age. 5. Galactose, glucose, mannose, fucose and (in a less amount) ribose were determined. Their total content is about 2-3-fold that of hexosamines. 6. There is a higher cholesterol content in adult donkey leucocytes than in those of young ones. 7. Total lipids, cholesterol or phospholipid contents are similar among the leucocytes of the above-mentioned species. 8. The similarities are marked in the electrophoresis patterns of proteins and glycoproteins for the donkey, mule and horse samples. 9. The molecular weights for leucocytes proteins were estimated as ranging between 230,000 and 20,000; and for the main protein bands, between 120,000 and 22,000.
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