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The relationship between hyaluronidase activity and hyaluronic acid concentration in sera from normal controls and
C R Wilkinson1, L M Bower, C Warren
1Department of Chemical Pathology, Torbay Hospital, UK.
Serum hyaluronidase activity (HAE) and hyaluronic acid (HA) concentration were measured in sera from patients with disseminated neoplasm and compared to those of normal controls. The serum HAE activity in disseminated neoplasm (mean, 12.6 mumol N-acetylglucosamine (NAG)/min/1; range, 5.2-24.7 mumol NAG/min/1) was significantly lower (t = 6.7, p < 0.001) than in normal controls (mean, 17.1 mumol NAG/min/1; range, 11.5-27.0 mumol NAG/min/1). The serum HA concentration in patients with disseminated neoplasm (mean, 8199.7 micrograms/l; range, 42.0-496,000 micrograms/l) was significantly higher (t = 2.63, 0.01 > p> 0.001) than in normal age-matched controls (mean, 55.6 micrograms/l; range, 10.0-348.0 micrograms/l). A negative correlation was found between the serum HAE activity and the HA concentration (r = -0.45, t = 5.92, p < 0.001). The possible reasons for the low serum HAE activity and the raised serum HA concentration in patients with disseminated neoplasm and the negative correlation between the results are discussed.
Serum hyaluronidase activity (HAE) and hyaluronic acid (HA) concentration were measured in sera from patients with disseminated neoplasm and compared to those of normal controls. The serum HAE activity in disseminated neoplasm (mean, 12.6 mumol N-acetylglucosamine (NAG)/min/1; range, 5.2-24.7 mumol NAG/min/1) was significantly lower (t = 6.7, p < 0.001) than in normal controls (mean, 17.1 mumol NAG/min/1; range, 11.5-27.0 mumol NAG/min/1). The serum HA concentration in patients with disseminated neoplasm (mean, 8199.7 micrograms/l; range, 42.0-496,000 micrograms/l) was significantly higher (t = 2.63, 0.01 > p> 0.001) than in normal age-matched controls (mean, 55.6 micrograms/l; range, 10.0-348.0 micrograms/l). A negative correlation was found between the serum HAE activity and the HA concentration (r = -0.45, t = 5.92, p < 0.001). The possible reasons for the low serum HAE activity and the raised serum HA concentration in patients with disseminated neoplasm and the negative correlation between the results are discussed.
