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  • Title: Hyaluronate depolymerization activity induced by progesterone in cultured fibroblasts derived from human uterine cervix.
    Author: Tanaka K, Nakamura T, Ikeya H, Higuchi T, Tanaka A, Morikawa A, Saito Y, Takagaki K, Endo M.
    Journal: FEBS Lett; 1994 Jun 20; 347(1):95-8. PubMed ID: 8013670.
    Abstract:
    High-molecular-weight [14C]hyaluronate was incubated with cultured fibroblasts from human uterine cervix and skin, and then the depolymerization of the hyaluronate was investigated. [14C]Hyaluronate in the medium of skin fibroblasts was depolymerized into a constant molecular weight (M(r) about 40,000), whereas that of cervix fibroblasts was not depolymerized, irrespective of incubation period. However, when progesterone was added to the medium of cervix fibroblasts, hyaluronate was depolymerized to the same extent as that in skin fibroblasts. The reducing terminal sugar of the depolymerized hyaluronate was N-acetylglucosamine. These results suggest that a hyaluronate-depolymerizing enzyme, endo-beta-N-acetylglucosaminidase, was induced by progesterone in cultured fibroblasts derived from human uterine cervix.
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