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Hydroxysafflor yellow A (HSYA) is a water-soluble component of the safflower (Carthamus tinctorius), and research has revealed that HSYA exhibits antitumor effects. In the present study, the effects of HSYA on the autophagy of a Hep-G2 liver cancer cell line, as well as the underlying mechanisms, were investigated. Hep-G2 cells were treated with HSYA and the viability of cells was measured using an MTT assay. Western blotting and immunofluorescence assays were performed to determine the expression of light chain 3 II (LC3-II) and p62, as well as the autophagy regulators Beclin 1 and ERK1/2. Transmission electron microscopy was performed to observe the formation of autophagosomes. The combined effects of HSYA and the autophagy inhibitor chloroquine (CQ) were also determined. The results revealed that the viability of Hep-G2 cells decreased with increasing concentrations of HSYA. Furthermore, LC3-II expression increased significantly and the level of p62 decreased significantly in the HYSA group compared with the control group. Additionally, an increase in Beclin 1 expression and a decrease in phosphorylated-ERK1/2 expression was observed in Hep-G2 cells treated with HYSA. Following treatment with CQ and HSYA, a significant increase in the viability of Hep-G2 cells was observed compared with the HSYA group. Collectively, the results indicated that HSYA induced autophagy by promoting the expression of Beclin 1 and inhibiting the phosphorylation of ERK in liver cancer cells. Therefore, HSYA may serve as a potential therapeutic agent for liver cancer. Copyright © Chen et al.Rosai-Dorfman disease (RDD) is an extremely rare benign histiocytic disorder that usually affects young adults. Extranodal involvement of the RDD is common and may occur in >40% of patients, but bone involvement occurs in less then 10% of cases. Furthermore, primary bone RDD is extremely rare. The present study reports a case of primary bone RDD arising in the infantile ilium. Plain radiographs and computed tomography (CT) revealed an osteolytic lesion at the peri-acetabular region of the patient's right ilium. Fluorodeoxyglucose positron emission tomography indicated an abnormal accumulation only in the right iliac bone, without any other accumulation. An open biopsy was performed and the diagnosis of primary RDD of bone in the ilium was made. The bone lesion exhibited spontaneous regression on radiography, and the patient was able to walk without any limping or pain at 8 months after the biopsy. After 18 months of follow-up, the bone lesion had completely disappeared, and no joint deformity was observed on radiography or CT. The present report described the clinicopathological details of this rare case and reviewed the relevant literature. Copyright © Izubuchi et al.Identification and screening of patients with hepatitis B virus (HBV) or hepatitis C virus (HCV) is important to prevent liver cancer. Comprehensive antiviral treatments should follow three sequential steps Hepatitis screening (step 1; examination of HB surface antigen and HCV antibody), medical examination (step 2; examination of HBV-DNA and/or HCV-RNA and performance of abdominal ultrasonography) and antiviral treatment (step 3). Patients who underwent these three steps were studied to determine effective information sources (factors) for raising awareness of comprehensive treatments. A total of 182 patients from 11 medical institutions were who were undergoing antiviral treatment were investigated. The number of patients who accessed each of the 18 information sources in each of the three steps and the percentage of these information sources that directly influenced the participants to make treatment-related decisions were calculated. 'Recommendation from a primary care physician' was the most common information source (64.3, 77.5, and 75.8% at steps 1, 2, and 3, respectively). 'Recommendation from a public health nurse (PHN),' 'recommendation from friends or family,' and 'recommendation from work colleagues' were the next most common human factors (3.3-19.8%). 'Recommendation from a primary care physician' had the greatest influence (76.9, 73.0, and 77.5% at steps 1, 2, and 3, respectively). 'Recommendation from a PHN' (50.0, 26.3 and 64.3%), 'recommendations from friends and family' (58.3, 38.9 and 58.3%), and 'recommendations from work colleagues' (33.3, 33.3 and 42.9%) were highly influential factors. Media such as TV commercial messages and programs also had high recognition, but were not directly influential. The findings of the present study indicated that recommendations from primary care physicians, friends, family and work colleagues influenced patients' decision-making regarding hepatitis screening, examination and treatment. Copyright © Okada et al.Pancreatic adenocarcinoma (PAAD) is a painful and fatal disease that undoubtedly remains a health care priority and offers significant therapeutic challenges. The significance of epigenetic modifications, including DNA methylation in tumor development, has gained the attention of researchers. Identifying DNA methylation-driven genes and investigating the mechanisms underlying the tumorigenesis of PAAD are of substantial importance for developing methods of physiological evaluation, treatment planning and prognostic prediction for PAAD. In the present study, a comprehensive analysis of DNA methylation and gene expression data from 188 clinical samples was performed to identify DNA methylation-driven genes in PAAD. In addition, the diagnostic and prognostic value of DNA methylation-driven genes was evaluated using receiver operating characteristic curve, survival and recurrence analyses. A total of 7 DNA methylation-driven genes, namely zinc finger protein 208 (ZNF208), eomesodermin (EOMES), prostaglandin D2 reevelopment of therapeutic targets for PAAD. Copyright © Zhang et al.The aim of the present study was to evaluate the microcirculation perfusion in patients with acute radiation-induced liver damage (RILD) and explore the feasibility of non-invasive evaluation of RILD using quantitative analysis of contrast-enhanced ultrasound (CEUS). Patients who successfully underwent three-dimensional conformal intensity-modulated radiotherapy for abdominal tumors were selected. CEUS was performed on the liver prior to and 2, 3 and 4 weeks after exposure, and the time-intensity curve (TIC) was obtained by quantitative analysis of CEUS. The time to peak (TTP), gradient (Grad) and area under the curve (AUC) were analyzed offline. https://www.selleckchem.com/products/rin1.html The Grad of the CEUS TIC was decreased and TTP increased with the prolongation of the irradiation duration, with statistically significant differences between the values in the 2-, 3- and 4-week groups vs. those prior to exposure (P less then 0.05), as well as among the values of the 2-, 3- and 4-week groups (P less then 0.05). Following irradiation, the AUC decreased gradually in the 2- and 3-week groups and increased in the 4-week group, with statistically significant differences compared with the AUC prior to irradiation (P less then 0.
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