Differentiation-inducing effect of piperitenone oxide, a fragrant ingredient of spearmint (Mentha spicata), but not carvone and menthol, against human colon cancer cells

The n-hexane extract from spearmint (Mentha spicata) leaves was purified via a bioassay-guided fractionation scheme, which was based on the induction of differentiation in a RCM-1 human colon cancer cell line.One of the criteria of a differentiation marker is the formation of ducts determined visually using phase contrast microscopy, the replica be

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Changes in epidemiology of respiratory viruses after COVID-19 pandemic in Daegu City and Gyeongsangbuk-do Province, Korea

BACKGROUND and AIM: After the rapid spread of COVID-19 in Daegu City and Gyengsangbuk-do Province (Daegu-Gyengbuk) in February 2020, the guidelines were relaxed in May 2022, and the infection crisis level was lowered to Level 1 in May 2024.We aim to analyze the changes of seasonal epidemic of seven respiratory viruses (adenovirus, olea europaea mon

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