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Objective This study describes the epidemiological pattern of liver cancer in all regions of Saudi Arabia. It explores the frequency of cases diagnosed, the age-specific incidence rate (AIR), the crude incidence rate (CIR), and the age-standardised incidence rate (ASIR) stratified by age group, year of diagnosis, and region. Methods A retrospective descriptive epidemiological analysis of all liver cancer cases documented in the Saudi Cancer Registry (SCR) between 2004 and 2014 was performed. The data were analysed using descriptive statistics, t-test, Kruskal-Wallis, and sex ratio with the Statistical Package for the Social Sciences version 20.0 (SPSS). Results A total of 4723 liver cancer cases were registered in the SCR between January 2004 and December 2014. The highest overall ASIR of liver cancer among Saudi males was observed in the regions of Riyadh, Najran, and Tabuk at 10.4, 7.7, and 7.0 per 100,000 males, respectively. Furthermore, Riyadh, Eastern Region, and Tabuk recorded the highest overall ASIR th female Saudis. © 2020 Alghamdi and Alghamdi.Purpose The present study aimed to examine the effects of nicotinamide (NAM) on cervical cancer-associated fibroblasts (CAF) for its in vitro efficacy, gross inhibition, and mechanism of inhibition. Methods The fibroblasts were treated with pre-specified concentrations of NAM followed by measurement of the cell proliferation using CCK-8 assay. The production of reactive oxygen species (ROS) was measured by 2',7'-Dichlorofluorescin diacetate. We further investigated the apoptosis by flow cytometry using Annexin-V. We employed JC-1 assay to detect changes in the potential of the mitochondrial membrane. We further determined the expression of apoptotic genes was measured using qRT-PCR. And lastly, cell cycle experiments were conducted to determine the influence of NAM on arresting the growth of CAF in a cell cycle. Results Our study showed that NAM was able to reduce fibroblasts viability. We specifically observed a significantly increased intracellular ROS with resultant exhaustion of cellular antioxidant defense machinery, including reduced glutathione (GSH). We further observed the involvement of mitochondrial pathway in the NAM induced apoptosis of fibroblasts. Conclusion Our study supports the therapeutic potential of NAM for the treatment of cervical cancer and necessitates a further investigation of the reported findings. © 2020 Hassan et al.MicroRNAs (miRNAs) are endogenous, noncoding, single-stranded RNA molecules of 22 nucleotides in length. MiRNAs have both tumor-suppressive properties and oncogenic properties that can control critical processes in tumors. Mature miR-125b originates from miR-125b-1 and miR-125b-2 and leads to the degradation of target mRNAs or the inhibition of translation through binding to the 3' untranslated regions (3'-UTR) of target mRNAs. Importantly, miR-125b is involved in regulating NF-κB, p53, PI3K/Akt/mTOR, ErbB2, Wnt, and another signaling pathways, thereby controlling cell proliferation, differentiation, metabolism, apoptosis, drug resistance and tumor immunity. This review aims to summarize the recent literature on the role of miR-125b in the regulation of tumorigenesis and to explore its potential clinical application in the diagnosis, prognosis and clinical treatment of tumors. © 2020 Wang et al.Purpose Hangeshashinto (TJ-14), a Kampo medicine comprising seven types of herbs, has been used in Japan to alleviate the side effects associated with anticancer drug treatments. However, the pharmacological effects of this medicine currently remain unclear. The present study aimed to demonstrate the efficacy of TJ-14 against anticancer drug-induced stomatitis, the pain associated with which may have a negative impact on mastication and swallowing. Methods Mucositis was induced in Sprague-Dawley rats by cancer chemotherapy. Changes in body weight, stomatitis grades, histopathological scores, and oral bacterial counts were examined among TJ-14-treated, saline-treated, and Control (no treatment) rats. In vitro studies, including cell proliferation and wound healing assays, using epidermal keratinocyte and fibroblast cell lines were conducted. Results The local application of TJ-14 exerted strong antibacterial effects and attenuated oral chemotherapy-induced stomatitis in rats. TJ-14 also increased the viability and invasion of epidermal keratinocytes and fibroblasts. Conclusion The present results demonstrated the potential of TJ-14 to attenuate chemotherapy-induced stomatitis. © 2020 Ozawa et al.Purpose Salivary gland neoplasms are rare cancers of the head and neck region. Radical treatment in tumors of large salivary glands is surgery. https://www.selleckchem.com/products/hygromycin-b.html Adjuvant treatment depends on the presence of risk factors that worsen the prognosis, but the role of these factors in patients treated by surgery with radio- or radiochemotherapy still remains unclear. The aim of the study is assessment of treatment results and identification of the risk factors affecting the prognosis in patients with tumors of large salivary glands subjected to adjuvant radio- or radiochemotherapy. Patients and Methods The study included 126 patients with local stage large salivary gland cancer who were treated surgically with adjuvant radio- or radiochemotherapy. The study excluded inoperable patients, patients with distant metastases, patients in a poor general condition and patients with contraindications to adjuvant treatment. They were treated between 2006 and 2016 and evaluated in terms of OS (overall survival), CSS (cancer-specific survival), RFS (relapse-free survival) and LRFS (local relapse-free survival). Results During a 44-month follow-up, 5-OS, CSS, RFS and LRFS were 55%, 68%, 60% and 73%, respectively. Multivariate analysis showed that OS was influenced by the following parameters WHO performance status, TNM stage (T and N parameters), radicality of surgery, histopathological type, applied method of radiotherapy planning and tumor volume. WHO performance status, T and N parameters of the TNM stage and large volume of elective area influenced CSS, and the T parameter of the TNM stage, the dose below 60Gy and tumor volume influenced RFS and LRFS. Chemoradiotherapy can be used in N-positive patients. Conclusion The analysis indicates that the TNM grade, histopathological type, patient's condition, radicality of the procedure, technique and dose of radiotherapy are the most important prognostic factors in these patients. © 2020 Kordzińska-Cisek et al.
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