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  • Title: [Serum lysosomal hydrolases in various forms of scleroderma].
    Author: Bonafé JL, Salvayre R, Levade T, Nègre A, de Riols C, Charlet JP, Fernet P.
    Journal: Ann Dermatol Venereol; 1986; 113(11):1059-63. PubMed ID: 3813396.
    Abstract:
    The activities of several lysosomal hydrolases (beta-galactosidase, beta-hexosaminidase, alpha-mannosidase, beta-glucuronidase and acid phosphatase) were determined in serum and blood lymphocytes from patients affected with scleroderma. Statistical comparisons between means of patient and control groups (Student's t test) showed a significant difference in serum beta-galactosidase and acid phosphatase between patients and controls (serum beta-galactosidase: 36.5 +/- 22 nmol/h/ml in the scleroderma group versus 24 +/- 13 nmol/h/ml in the control group; serum acid phosphatase 853 +/- 345 nmol/h/ml in the scleroderma group versus 634 +/- 295 nmol/h/ml in the control group). These differences were significant (p less than 0.01). Both enzyme activities were also significantly increased in the group with systemic scleroderma, but the difference was less in the group with localized scleroderma (this is discussed in terms of statistics and pathophysiology). The other enzyme activities determined were not significantly modified. The validity of these results is discussed, together with their diagnostic value and with the pathophysiological hypotheses put forward to explain the high levels found.
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