[Availability evaluation of closed systems by using practical training kits for preparation of antitumor drugs].

The recent guidelines of the Japanese Society of Hospital Pharmacists on the antitumor drug preparation have recommended the use of closed systems such as the PhaSeal® system for preventing cytotoxicity in health care workers involved in the preparation of these drugs. The PhaSeal® system and Clave® Oncology system were evaluated using a practical training kit for the preparation of antitumor drugs. The two systems were compared in terms of handling time, satisfaction as to availability, leakage of drugs from the connections in the system and area of drug spillage because improvements in convenience or lower cost system were available.

Budding yeast mms4 is epistatic with rad52 and the function of Mms4 can be replaced by a bacterial Holliday junction resolvase.

MMS4 of Saccharomyces cerevisiae was originally identified as the gene responsible for one of the collection of methyl methanesulfonate (MMS)-sensitive mutants, mms4. Recently it was identified as a synthetic lethal gene with an SGS1 mutation. Epistatic analyses revealed that MMS4 is involved in a pathway leading to homologous recombination requiring Rad52 or in the recombination itself, in which SGS1 is also involved.