Publications by authors named "Sayaka Yamashita"

The 2024 Noto Peninsula Earthquake, which reached a maximum intensity of 7, led to the deterioration of critical services including electricity, water, communication, and roads, resulting in 241 fatalities. The medical response of pharmacists during disasters has gained attention since the 2011 Great East Japan Earthquake. However, few studies have evaluated the challenges that hospital pharmacy departments face during disasters.

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Epidermal growth factor receptor (EGFR)-tyrosine kinase inhibitors such as afatinib are used for non-small cell lung cancer (NSCLC) and show varying efficacy depending on EGFR gene mutation. Few studies have examined the relationship between EGFR gene mutations and the adverse events of afatinib in NSCLC. This retrospective study included 32 Japanese patients with NSCLC with EGFR gene mutation who were treated with afatinib between May 2014 and August 2018 at Kagawa University Hospital.

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Objective: Foods reducing postprandial hyperglycemia could suppress the postprandial blood glucose response after the next meal (a "second-meal" effect). However, the second-meal effect of refined barley flour bread has not been evaluated. The aim of this study is to determine whether consumption of refined barley flour bread reduces postprandial glucose concentrations after this and the subsequent meal.

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Knock-in mouse models have contributed tremendously to our understanding of human disorders. However, generation of knock-in animals requires a significant investment of time and effort. We addressed this problem by developing a novel knock-in system that circumvents several traditional challenges by establishing stem cells with acceptor elements enveloping a particular genomic target.

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Failure of the functional pancreatic beta-cell mass to expand in response to increased metabolic demand is a hallmark of type 2 diabetes. Lineage tracing studies indicate that replication of existing beta-cells is important for beta-cell proliferation in adult animals. In rat pancreatic beta-cell lines (RIN5F), treatment with 100 nM thyroid hormone (triiodothyronine, T(3)) enhances cell proliferation.

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A halophilic alkaline phosphatase was highly purified (about 510-fold with about 21% yield) from a moderate halophile, Halomonas sp. 593. The N-terminal 35 amino acid sequence of this enzyme was found to be more acidic than those previously isolated from Vibrio spp.

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