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Plasminogen activators are serine proteinases which transform the serum zymogen, plasminogen, into plasmin, a broad-spectrum protease with fibrinolytic effect. Two main plasminogen activators have been described in humans: urokinase (UK; molecular weight, 55,000) and tissue-type plasminogen
Medical literature is rich with new and relevant information, resulting from basic or applied research. Some strong arguments are presented in this document. Firstly, the discovery and role of a virus, the polyomavirus, in the development of Merkel tumours. It is a small virus with double bit DNA
Cepharanthin is one of the biscoclaurine alkaloids widely used for treatment of many acute and chronic diseases; snakebite, bronchial asthma, alopecia areata, leukopenia during radiation therapy or anticancer treatment. Recently, it has been reported that cepharanthin exerts antitumour effects by