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国际药用蘑菇期刊
影响因子: 1.423 5年影响因子: 1.525 SJR: 0.431 SNIP: 0.661 CiteScore™: 1.38

ISSN 打印: 1521-9437
ISSN 在线: 1940-4344

国际药用蘑菇期刊

DOI: 10.1615/IntJMedMushrooms.2018025436
pages 47-59

Purification and Antithrombotic Potential of a Fibrinolytic Enzyme from Shiitake Culinary- Medicinal Mushroom, Lentinus edodes GNA01 (Agaricomycetes)

Jun-Hui Choi
Department of Food Science and Biotechnology, Gwangju University, Gwangju, Republic of Korea
Kyung-Je Kim
Jangheung Research Institute for Mushroom Industry, Jangheung-gun, Republic of Korea
Seung Kim
Department of Food Science and Biotechnology, Gwangju University, Gwangju, Republic of Korea

ABSTRACT

We purified Lentinus edodes GNA01 fibrinolytic enzyme (LEFE) and identified it as a novel metalloprotease. LEFE was purified to homogeneity through a 2-step procedure, with an 8.28-fold increase in specific activity and 5.3% recovery. The molecular mass of LEFE was approximately 38 kDa, based on sodium dodecyl sulfate–polyacrylamide gel electrophoresis. Its optimal pH, optimal temperature, pH stability, and thermal stability were 5, 30°C, 6–7, and 40°C, respectively. LEFE was inhibited by zinc and magnesium ions, and by EDTA and EGTA, indicating that LEFE is a metalloprotease. The protease exhibited fibrinolytic activity and a degradative effect on clot formation and blood clots. The protease prolonged activated partial thromboplastin time, prothrombin time, and coagulation time as induced by platelet aggregators (collagen and epinephrine). Taken together, our results indicate that L. edodes GNA01 produces a metalloprotease/fibrinolytic enzyme and that this enzyme might be applied as a new thrombolytic and antithrombotic agent for thrombosis-related cardiovascular disorders.


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