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  • Title: Proteins in the luminal fluid from the bovine oviduct.
    Author: Roberts GP, Parker JM, Symonds HW.
    Journal: J Reprod Fertil; 1975 Nov; 45(2):301-13. PubMed ID: 1525.
    Abstract:
    Oviducal fluid was collected by cannulation from four cows and by irrigation from fifteen slaughtered cows. The proteins in the fluid were examined by polyacrylamide gel electrophoresis at pH 4-5 and pH 8-9, isoelectric focusing on polyacrylamide, immunodiffusion, immunoelectrophoresis, affinity chromatography and gel filtration. The macromolecular components found were mainly serum proteins but small amounts of other proteins were detected in oestrous and dioestrous samples by electrophoresis at pH 8-9 following fractionation of the fluid by gel filtration or affinity chromatography. Small amounts of cathodically migrating proteins were detected directly by electrophoresis at pH 4-5 in dioestrous samples but not in oestrous samples. Determination of glycosidase activities revealed that the levels at oestrus were similar to the levels detected in serum. At dioestrus, the activities of B-N-acetylgalactosaminidase and beta-N-acetylglucosaminidase were elevated.
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