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https://www.readbyqxmd.com/read/29137263/melatonin-suppresses-hepatocellular-carcinoma-progression-via-lncrna-cps1-it-mediated-hif-1%C3%AE-inactivation
#1
Tong-Hong Wang, Chi-Hao Wu, Chau-Ting Yeh, Shih-Chi Su, Shih-Min Hsia, Kung-Hao Liang, Chin-Chuan Chen, Chuen Hsueh, Chi-Yuan Chen
Melatonin is the primary pineal hormone that relays light/dark cycle information to the circadian system. It was recently reported to exert intrinsic antitumor activity in various cancers. However, the regulatory mechanisms underlying the antitumor activity of melatonin are poorly understood. Moreover, a limited number of studies have addressed the role of melatonin in hepatocellular carcinoma (HCC), a major life-threatening malignancy in both sexes in Taiwan. In this study, we investigated the antitumor effects of melatonin in HCC and explored the regulatory mechanisms underlying these effects...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29113288/hdac6-inhibitor-wt161-downregulates-growth-factor-receptors-in-breast-cancer
#2
Teru Hideshima, Ralph Mazitschek, Jun Qi, Naoya Mimura, Jen-Chieh Tseng, Andrew L Kung, James E Bradner, Kenneth C Anderson
We have shown that WT-161, a histone deacetylase 6 (HDAC6) inhibitor, shows remarkable anti-tumor activity in multiple myeloma (MM) in preclinical models. However, its activity in other type of cancers has not yet been shown. In this study, we further evaluated the biologic sequelae of WT161 in breast cancer cell lines. WT161 triggers apoptotic cell death in MCF7, T47D, BT474, and MDA-MB231 cells, associated with decreased expression of EGFR, HER2, and ERα and downstream signaling. However, HDAC6 knockdown shows that cytotoxicity and destabilization of these receptors triggered by WT161 are not dependent on HDAC6 inhibition...
October 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/29113093/view-point-semaphorin-3e-an-emerging-modulator-of-natural-killer-cell-functions
#3
REVIEW
Abdulaziz Alamri, Abdelilah Soussi Gounni, Sam K P Kung
Semaphorin-3E (Sema-3E) is a member of a large family of proteins originally identified as axon guidance cues in neural development. It is expressed in different cell types, such as immune cells, cancer cells, neural cells, and epithelial cells. Subsequently, dys-regulation of Sema-3E expression has been reported in various biological processes that range from cancers to autoimmune and allergic diseases. Recent work in our laboratories revealed a critical immunoregulatory role of Sema-3E in experimental allergic asthma...
November 5, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29100283/circulating-microparticles-are-prognostic-biomarkers-in-advanced-non-small-cell-lung-cancer-patients
#4
Chin-Chou Wang, Chia-Cheng Tseng, Huang-Chih Chang, Kuo-Tung Huang, Wen-Feng Fang, Yu-Mu Chen, Cheng-Ta Yang, Chang-Chun Hsiao, Meng-Chih Lin, Chi-Kung Ho, Hon-Kan Yip
We investigated whether circulating microparticles (MPs) could serve as prognostic biomarkers in non-small cell lung cancer (NSCLC) patients. We enrolled 25 control subjects and 136 NSCLC patients categorized into disease-progression (DP, n=42) and disease-control (DC, n=94) groups. Flow cytometric analysis showed that levels of four types of circulating microparticles (EDAc-MPs, EDAp-MPs, PDAc-MPs and PDAp-MPs) were higher in the study patients than the control subjects (P < 0.04). DP patients showed poor initially performance status and more non-adenocarcinomas than DC patients...
September 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/29098808/casticin-impairs-cell-growth-and-induces-cell-apoptosis-via-cell-cycle-arrest-in-human-oral-cancer-scc-4-cells
#5
Guan-Ling Chou, Shu-Fen Peng, Ching-Lung Liao, Heng-Chien Ho, Kung-Wen Lu, Jin-Cherng Lien, Ming-Jen Fan, Kuang-Chi La, Jing-Gung Chung
Casticin, a polymethoxyflavone, present in natural plants, has been shown to have biological activities including anti-cancer activities. Herein, we investigated the anti-oral cancer activity of casticin on SCC-4 cells in vitro. Viable cells, cell cycle distribution, apoptotic cell death, reactive oxygen species (ROS) production, and Ca(2+) production, levels of ΔΨm and caspase activity were measured by flow cytometric assay. Cell apoptosis associated protein expressions were examined by Western blotting and confocal laser microscopy...
November 3, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/29023254/the-lived-experience-of-gynecologic-cancer-survivors-in-taiwan
#6
Li-Yun Tsai, Kung-Liahng Wang, Shu-Yuan Liang, Jung-Mei Tsai, Shiow-Luan Tsay
BACKGROUND: Although it is now possible to achieve permanent remission in a large percentage of gynecologic cancer (GC) cases, many GC patients in remission experience side effects or complications that influence their physical function and family relationships. Compared with other types of cancer patients, survivors of GC face greater challenges in terms of physical and psychological adaptations, and many of these do not receive sufficient assistance. An in-depth understanding of the lived experiences and demands of GC survivors is key to constructing comprehensive related healthcare services...
October 12, 2017: Journal of Nursing Research: JNR
https://www.readbyqxmd.com/read/28982862/photodynamic-therapy-using-indolines-fused-triazoles-induces-mitochondrial-apoptosis-in-human-non-melanoma-bcc-cells
#7
Wan-Ping Hu, Kung-Kai Kuo, Gopal Chandru Senadi, Long-Sen Chang, Jeh-Jeng Wang
BACKGROUND/AIM: Cancer is one of the most dreadful diseases in humans and among them non-melanoma skin cancer (NMSC) is an increasing problem in the world, that occurs more frequently in people with fair skin. Photodynamic therapy (PDT), a non-invasive treatment is widely used for the prevention and treatment of BCC cells. We previously reported an efficient synthesis of novel indolines-fused-triazoles and studied their photophysical studies. This study delineated the signaling pathways involved in the PDT effect of triazoles on BCC cells under UVA irradiation...
October 2017: Anticancer Research
https://www.readbyqxmd.com/read/28968749/omics-analysis-system-for-precision-oncology-oasispro-a-web-based-omics-analysis-tool-for-clinical-phenotype-prediction
#8
Kun-Hsing Yu, Michael R Fitzpatrick, Luke Pappas, Warren Chan, Jessica Kung, Michael Snyder
Summary: Precision oncology is an approach that accounts for individual differences to guide cancer management. Omics signatures have been shown to predict clinical traits for cancer patients. However, the vast amount of omics information poses an informatics challenge in systematically identifying patterns associated with health outcomes, and no general-purpose data-mining tool exists for physicians, medical researchers, and citizen scientists without significant training in programming and bioinformatics...
September 12, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28962182/gypenosides-induce-cell-death-and-alter-gene-expression-in-human-oral-cancer-hsc-3-cells
#9
Kung-Wen Lu, Yi-Shih Ma, Fu-Shun Yu, Yi-Ping Huang, Yung-Lin Chu, Rick Sai-Chuen Wu, Ching-Lung Liao, Fu-Shin Chueh, Jing-Gung Chung
Gypenosides (Gyp), the primary components of Gynostemma pentaphyllum Makino, have long been used as a Chinese herbal medicine. In the present study, the effects of Gyp on cell viability, the cell cycle, cell apoptosis, DNA damage and chromatin condensation were investigated in vitro using human oral cancer HSC-3 cells. The results of the present study indicated that Gyp induces cell death, G2/M phase arrest and apoptosis in HSC-3 cells in a dose-dependent manner. It was also demonstrated that Gyp decreased the depolarization of mitochondrial membrane potential in a time-dependent manner...
September 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28953133/difference-in-practice-patterns-in-the-management-of-endometrial-cancer-a-survey-of-the-members-of-4-east-asian-gynecologic-oncology-groups
#10
Jung-Yun Lee, Jae Weon Kim, Taek Sang Lee, Rongyu Zang, Xiaojun Chen, Jiaxin Yang, Kung-Liahng Wang, Toru Sugiyama
OBJECTIVE: The aim of this article was to identify current practice patterns of care in the surgical and adjuvant management of endometrial cancer in East Asia (Korea, Japan, China, and Taiwan) METHODS: A validated 20-item questionnaire on surgical and adjuvant procedures for endometrial cancer was sent to active members of the Gynecologic Oncology Group from 4 East Asian countries. Data were collected using an Internet survey database. RESULTS: A total of 376 members from Korea (n = 108), Japan (n = 140), China (n = 51), and Taiwan (n = 77) responded to the survey...
November 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28950692/effect-of-carvacrol-on-ca%C3%A2-%C3%A2-%C2%BA-movement-and-viability-in-pc3-human-prostate-cancer-cells
#11
Chi-Ting Horng, Chiang-Ting Chou, Te-Kung Sun, Wei-Zhe Liang, Chun-Chi Kuo, Jue-Long Wang, Pochuen Shieh, Chung-Ren Jan
Carvacrol, a monoterpenic phenol compound, has been shown to possess various biological effects in different models. However, the effect of carvacrol on intracellular Ca²⁺ and its related physiology in human prostate cancer is unknown. This study explored the effect of carvacrol on cytosolic free Ca²⁺ levels ([Ca²⁺]i) and viability in PC3 human prostate cancer cells. Fura-2, a Ca²⁺- sensitive fluorescent dye, was used to assess [Ca²⁺]i. Cell viability was measured by the detecting reagent WST-1...
October 31, 2017: Chinese Journal of Physiology
https://www.readbyqxmd.com/read/28947863/extent-of-lymphadenectomy-has-no-impact-on-postoperative-complications-after-gastric-cancer-surgery-in-sweden
#12
Chih-Han Kung, Huan Song, Weimin Ye, Magnus Nilsson, Jan Johansson, Ioannis Rouvelas, Tomoyuki Irino, Lars Lundell, Jon A Tsai, Mats Lindblad
OBJECTIVE: Curative gastric cancer surgery entails removal of the primary tumor with adequate margins including regional lymph nodes. European randomized controlled trials with recruitment in the 1990's reported increased morbidity and mortality for D2 compared to D1. Here, we examined the extent of lymphadenectomy during gastric cancer surgery and the associated risk for postoperative complications and mortality using the strengths of a population-based study. METHODS: A prospective nationwide study conducted within the National Register of Esophageal and Gastric Cancer...
August 2017: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
https://www.readbyqxmd.com/read/28943959/cyclin-d1-overexpression-correlates-with-poor-tumor-differentiation-and-prognosis-in-gastric-cancer
#13
Yan-Shen Shan, Hui-Ping Hsu, Ming-Derg Lai, Yu-Hsuan Hung, Chih-Yang Wang, Meng-Chi Yen, Yi-Ling Chen
Overexpression of cyclin D is associated with the molecular tumorigenesis of gastric cancer. The purpose of the present study was to investigate the expression of cyclin D in human gastric cancer and to determine the potential correlations between cyclin D expression and clinicopathological characteristics of specific histological types, as well as its prognostic significance. In the present study, the expression of the cyclin D1 (CCND1), cyclin D2 (CCND2) and cyclin D3 (CCND3) genes in gastric cancer patients was explored using the Oncomine database, and their correlation with overall survival (OS) and progression-free survival (PFS) was evaluated using Kaplan-Meier analysis...
October 2017: Oncology Letters
https://www.readbyqxmd.com/read/28894087/hypoxia-inducible-factor-hif-1-promotes-myeloid-derived-suppressor-cells-accumulation-through-entpd2-cd39l1-in-hepatocellular-carcinoma
#14
David Kung-Chun Chiu, Aki Pui-Wah Tse, Iris Ming-Jing Xu, Jane Di Cui, Robin Kit-Ho Lai, Lynna Lan Li, Hui-Yu Koh, Felice Ho-Ching Tsang, Larry Lai Wei, Chun-Ming Wong, Irene Oi-Lin Ng, Carmen Chak-Lui Wong
Myeloid-derived suppressor cells (MDSCs) possess immunosuppressive activities, which allow cancers to escape immune surveillance and become non-responsive to immune checkpoints blockade. Here we report hypoxia as a cause of MDSC accumulation. Using hepatocellular carcinoma (HCC) as a cancer model, we show that hypoxia, through stabilization of hypoxia-inducible factor-1 (HIF-1), induces ectoenzyme, ectonucleoside triphosphate diphosphohydrolase 2 (ENTPD2/CD39L1), in cancer cells, causing its overexpression in HCC clinical specimens...
September 11, 2017: Nature Communications
https://www.readbyqxmd.com/read/28805599/nationwide-trends-and-in-hospital-complications-of-trachelectomy-for-surgically-resectable-cervical-cancer-in-taiwanese-women-a%C3%A2-population-based-study-1998-2013
#15
Jerry Cheng-Yen Lai, Hung-Hui Chen, Kuei-Hui Chu, Chia-Sui Weng, Yiing-Jenq Chou, Nicole Huang, Yu-Ju Chien, Kung-Liahng Wang
OBJECTIVE: To describe the nationwide trends in the utilization of trachelectomy among Taiwanese women with surgically resectable cervical cancer over the past decade, and to compare associated demographic characteristics, in-hospital complications and related outcomes using a population-based dataset from 1998 to 2013. MATERIALS AND METHODS: We conducted a population-based, cohort study using inpatient admission claims data of Taiwan's National Health Insurance program...
August 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28802057/high-mobility-group-box-1-released-by-autophagic-cancer-associated-fibroblasts-maintains-the-stemness-of-luminal-breast-cancer-cells
#16
Xi-Long Zhao, Yong Lin, Jun Jiang, Zhuo Tang, Shuai Yang, Lu Lu, Yan Liang, Xue Liu, Jiao Tan, Xu-Gang Hu, Qin Niu, Wen-Juan Fu, Ze-Xuan Yan, De-Yu Guo, Yi-Fang Ping, Ji Ming Wang, Xia Zhang, Hsiang-Fu Kung, Xiu-Wu Bian, Xiao-Hong Yao
Cancer stem cells/cancer-initiating cells (CICs) and their microenvironmental niche play a vital role in malignant tumour recurrence and metastasis. Cancer-associated fibroblasts (CAFs) are major components of the niche of breast cancer-initiating cells (BCICs), and their interactions may profoundly affect breast cancer progression. Autophagy has been considered to be a critical process for CIC maintenance, but whether it is involved in the cross-talk between CAFs and CICs to affect tumourigenesis and pathological significance has not been determined...
November 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28789687/long-non-coding-rna-and-tumor-hypoxia-new-players-ushered-toward-an-old-arena
#17
REVIEW
Jing-Wen Shih, Hsing-Jien Kung
Hypoxia is a classic feature of the tumor microenvironment with a profound impact on cancer progression and therapeutic response. Activation of complex hypoxia pathways orchestrated by the transcription factor HIF (hypoxia-inducible factor) contributes to aggressive phenotypes and metastasis in numerous cancers. Over the past few decades, exponentially growing research indicated the importance of the non-coding genome in hypoxic tumor regions. Recently, key roles of long non coding RNAs (lncRNAs) in hypoxia-driven cancer progression have begun to emerge...
August 8, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28782268/reprogramming-antagonizes-the-oncogenicity-of-hoxa13-long-noncoding-rna-hottip-axis-in-gastric-cancer-cells
#18
Deng-Chyang Wu, Sophie S W Wang, Chung-Jung Liu, Kenly Wuputra, Kohsuke Kato, Yen-Liang Lee, Ying-Chu Lin, Ming-Ho Tsai, Chia-Chen Ku, Wen-Hsin Lin, Shin-Wei Wang, Shotaro Kishikawa, Michiya Noguchi, Chu-Chieh Wu, Yi-Ting Chen, Chee-Yin Chai, Chen-Lung Steve Lin, Kung-Kai Kuo, Ya-Han Yang, Hiroyuki Miyoshi, Yukio Nakamura, Shigeo Saito, Kyosuke Nagata, Chang-Shen Lin, Kazunari K Yokoyama
Reprogramming of cancer cells into induced pluripotent stem cells (iPSCs) is a compelling idea for inhibiting oncogenesis, especially through modulation of homeobox proteins in this reprogramming process. We examined the role of various long noncoding RNAs (lncRNAs)-homeobox protein HOXA13 axis on the switching of the oncogenic function of bone morphogenetic protein 7 (BMP7), which is significantly lost in the gastric cancer cell derived iPS-like cells (iPSLCs). BMP7 promoter activation occurred through the corecruitment of HOXA13, mixed-lineage leukemia 1 lysine N-methyltransferase, WD repeat-containing protein 5, and lncRNA HoxA transcript at the distal tip (HOTTIP) to commit the epigenetic changes to the trimethylation of lysine 4 on histone H3 in cancer cells...
August 7, 2017: Stem Cells
https://www.readbyqxmd.com/read/28767392/melatonin-suppresses-hepatocellular-carcinoma-progression-via-lncrna-cps1-it-mediated-hif-1%C3%AE-inactivation
#19
Tong-Hong Wang, Chi-Hao Wu, Chau-Ting Yeh, Shih-Chi Su, Shih-Min Hsia, Kung-Hao Liang, Chin-Chuan Chen, Chuen Hsueh, Chi-Yuan Chen
Melatonin is the primary pineal hormone that relays light/dark cycle information to the circadian system. It was recently reported to exert intrinsic antitumor activity in various cancers. However, the regulatory mechanisms underlying the antitumor activity of melatonin are poorly understood. Moreover, a limited number of studies have addressed the role of melatonin in hepatocellular carcinoma (HCC), a major life-threatening malignancy in both sexes in Taiwan. In this study, we investigated the antitumor effects of melatonin in HCC and explored the regulatory mechanisms underlying these effects...
July 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28759046/ezh2-mediated-upregulation-of-ros1-oncogene-promotes-oral-cancer-metastasis
#20
C-H Shih, Y-J Chang, W-C Huang, T-H Jang, H-J Kung, W-C Wang, M-H Yang, M-C Lin, S-F Huang, S-W Chou, E Chang, H Chiu, T-Y Shieh, Y-J Chen, L-H Wang, L Chen
Current anti-epidermal growth factor receptor (EGFR) therapy for oral cancer does not provide satisfactory efficacy due to drug resistance or reduced EGFR level. As an alternative candidate target for therapy, here we identified an oncogene, ROS1, as an important driver for oral squamous cell carcinoma (OSCC) metastasis. Among tumors from 188 oral cancer patients, upregulated ROS1 expression strongly correlated with metastasis to lung and lymph nodes. Mechanistic studies uncover that the activated ROS1 results from highly expressed ROS1 gene instead of gene rearrangement, a phenomenon distinct from other cancers...
July 31, 2017: Oncogene
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