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Cell Cycle Arrest Biomarkers

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https://www.readbyqxmd.com/read/28222070/inhibition-of-polypyrimidine-tract-binding-protein-3-induces-apoptosis-and-cell-cycle-arrest-and-enhances-the-cytotoxicity-of-5-fluorouracil-in-gastric-cancer-cells
#1
Xin Liang, Haiyang Shi, Liyan Yang, Cen Qiu, Shengchao Lin, Yingxue Qi, Jiyu Li, Aiguang Zhao, Jianwen Liu
BACKGROUND: Human polypyrimidine tract binding protein 3 (PTBP3) was first discovered in 1999 and has been well characterised as a differentiation regulator. However, its role in human cancer has rarely been reported. Our previous study revealed increased PTBP3 protein level in gastric cancer tissues. Downregulation of PTBP3 suppressed the proliferation and differentiation of gastric cancer cells in vivo. METHODS: PTBP3 mRNA levels in human gastric cancer and adjuvant non-tumour tissues were detected...
February 21, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28212559/the-selective-mek1-inhibitor-selumetinib-enhances-the-antitumor-activity-of-everolimus-against-renal-cell-carcinoma-in-vitro-and-in-vivo
#2
Yun Zou, Jianfeng Wang, Xuejiao Leng, Jiwei Huang, Wei Xue, Jin Zhang, Yiran Huang
Renal cell carcinoma (RCC) is a urologic malignant cancer and often diagnosed at an advanced stage, which results in high mortality. Targeted therapy may improve the quality of life and survival of patients who are not suitable for nephrectomy. Everolimus, an mTOR inhibitor, is currently used as sequential or second-line therapy for RCC refractory to Sunitinib or sorafenib. However, its efficiency is palliative. In this study, we evaluated whether the antitumor activity of everolimus against RCC is enhanced by Selumetinib, a selective MEK1 inhibitor...
February 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212429/the-p53-isoform-delta133p53%C3%A3-regulates-cancer-cell-apoptosis-in-a-rhob-dependent-manner
#3
Nikola Arsic, Alexandre Ho-Pun-Cheung, Crapez Evelyne, Eric Assenat, Marta Jarlier, Christelle Anguille, Manon Colard, Mikaël Pezet, Pierre Roux, Gilles Gadea
The TP53 gene plays essential roles in cancer. Conventionally, wild type (WT) p53 is thought to prevent cancer development and metastasis formation, while mutant p53 has transforming abilities. However, clinical studies failed to establish p53 mutation status as an unequivocal predictive or prognostic factor of cancer progression. The recent discovery of p53 isoforms that can differentially regulate cell cycle arrest and apoptosis suggests that their expression, rather than p53 mutations, could be a more clinically relevant biomarker in patients with cancer...
2017: PloS One
https://www.readbyqxmd.com/read/28210763/artemisinin-and-its-derivatives-in-cancer-therapy-status-of-progress-mechanism-of-action-and-future-perspectives
#4
REVIEW
Archana Bhaw-Luximon, Dhanjay Jhurry
Since the late 1990s, there has been rapid multiplication of data on the anti-cancer properties of artemisinins. This article reviews the status of progress of artemisinin and its derivatives as anti-cancer agents in clinical trials, case reports, and in vitro/in vivo studies. Particular attention is laid on the combinations of artemisinins and synthetic chemodrugs to enhance the latter's efficacy. An attempt is here made to rationalize the synergistic effects of a few common anti-cancer drugs of the anthracycline, taxane, anti-metabolite, and platinum-based drug families...
February 16, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28209170/lincrnafezf1-as1-represses-p21-expression-to-promote-gastric-cancer-proliferation-through-lsd1-mediated-h3k4me2-demethylation
#5
Yan-Wen Liu, Rui Xia, Kai Lu, Min Xie, Fen Yang, Ming Sun, Wei De, Cailian Wang, Guozhong Ji
BACKGROUND: Although the prognosis of gastric cancer patients have a favorable progression, there are some patients with unusual patterns of locoregional and systemic recurrence. Therefore, a better understanding of early molecular events of the disease is needed. Current evidences demonstrate that long noncoding RNAs (lncRNAs) may be an important class of functional regulators involved in human gastric cancers development. Our previous studies suggest that HOTAIR contributes to gastric cancer development, and the overexpression of HOTAIR predicts a poor prognosis...
February 16, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28203520/eukaryotic-translation-initiation-factor-3-subunit-d-overexpression-is-associated-with-the-occurrence-and-development-of-ovarian-cancer
#6
Yaying Lin, Rongrong Zhang, Ping Zhang
Ovarian cancer is the most common cause of gynaecological cancer-associated death; thus, promising biomarkers and new therapeutic targets for ovarian cancer must be explored. Here, we report that eukaryotic translation initiation factor 3 subunit D (EIF3D), a member of the EIF3 family, was overexpressed in ovarian cancer clinical tissues. Furthermore, the expression of EIF3D was correlated with the International Federation of Gynecology and Obstetrics stage and pathological differentiation stage. 3-(4,5-dimethylthylthiazol-2-yl)-2 (MTT) and colony formation assays revealed that the lentivirus-mediated knockdown of EIF3D suppresses cell proliferation in the ovarian tumour cell lines CAOV-3 and SKOV-3...
December 2016: FEBS Open Bio
https://www.readbyqxmd.com/read/28199407/keratin14-mrna-expression-in-human-pneumocytes-during-quiescence-repair-and-disease
#7
Marco Confalonieri, Emanuele Buratti, Gabriele Grassi, Rossana Bussani, Marco Chilosi, Rossella Farra, Michela Abrami, Cristiana Stuani, Francesco Salton, Miriam Ficial, Paola Confalonieri, Lorenzo Zandonà, Maurizio Romano
The lung alveoli slowly self-renew pneumocytes, but their facultative regeneration capacity is rapidly efficient after an injury, so fibrosis infrequently occurs. We recently observed Keratin 14 (KRT14) expression during diffuse alveolar damage (DAD), but not in controls. We wonder if KRT14 may be a marker of pneumocyte transition from quiescence to regeneration. Quantitative PCR and Western blot analyses highlighted the presence of KRT14 (mRNA and protein) only in human lung samples with DAD or interstitial lung disease (ILD)...
2017: PloS One
https://www.readbyqxmd.com/read/28198463/overexpression-of-fam83h-as1-indicates-poor-patient-survival-and-knockdown-impairs-cell-proliferation-and-invasion-via-met-egfr-signaling-in-lung-cancer
#8
Jie Zhang, Shumei Feng, Wenmei Su, Shengbin Bai, Lei Xiao, Lihui Wang, Dafydd G Thomas, Jules Lin, Rishindra M Reddy, Philip W Carrott, William R Lynch, Andrew C Chang, David G Beer, You-Min Guo, Guoan Chen
Whole transcriptome analyses of next generation RNA sequencing (RNA-Seq) data from human cancer samples reveled thousands of uncharacterized non-coding RNAs including long non-coding RNA (lncRNA). Recent studies indicated that lncRNAs are emerging as crucial regulators in cancer processes and potentially useful as biomarkers for cancer diagnosis and prognosis. To delineate dysregulated lncRNAs in lung cancer, we analyzed RNA-Seq data from 461 lung adenocarcinomas (LUAD) and 156 normal lung tissues. FAM83H-AS1, one of the top dysregulated lncRNAs, was found to be overexpressed in tumors relative to normal lung and significantly associated with worse patient survival in LUAD...
February 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28197300/long-term-treatment-of-native-ldl-induces-senescence-of-cultured-human-endothelial-cells
#9
Sung-Tack Oh, Hoon Park, Hyun Joong Yoon, Sung Yeul Yang
The study aimed to evaluate whether the treatment of primary cultured human endothelial cells with native low-density lipoprotein (nLDL) could induce their senescence and to uncover some of the putative mechanisms involved. For this purpose, human umbilical vein endothelial cells (HUVECs) were subcultured and/or continuously cultured with nLDL (0, 2, 5, and 10 μg protein/mL), for up to 9 days. The results indicated that nLDL inhibited the proliferation of HUVECs by arresting the cell cycle at G1 phase. The G1-arrested cells showed increase in cytosolic senescence-associated-β-galactosidase (SA-β-Gal) activity, a biomarker of cellular senescence...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28193232/peg10-overexpression-induced-by-e2f-1-promotes-cell-proliferation-migration-and-invasion-in-pancreatic-cancer
#10
Yun-Peng Peng, Yi Zhu, Ling-Di Yin, Jing-Jing Zhang, Ji-Shu Wei, Xian Liu, Xin-Chun Liu, Wen-Tao Gao, Kui-Rong Jiang, Yi Miao
BACKGROUND: Overexpression of paternally expressed gene-10 (PEG10) is known to promote the progression of several carcinomas, however, its role in pancreatic cancer (PC) is unknown. We investigated the expression and function of PEG10 in PC. METHODS: PEG10 expression and correlation with PC progression was assessed in cancerous tissues and paired non-cancerous tissues. Further, the role of PEG10 in PC cell progression and the underlying mechanisms were studied by using small interfering RNA (Si-RNA)...
February 13, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28185406/detecting-senescence-a-new-method-for-an-old-pigment
#11
Hanna Salmonowicz, João F Passos
Cellular senescence is a state of irreversible cell cycle arrest induced by different types of cellular stresses. The field of senescence has made significant advances in the understanding of many of the mechanisms governing this phenomenon; however, a universal biomarker that unambiguously distinguishes senescent from proliferating cells has not been found. In this issue of Aging Cell, Evangelou and colleagues developed a sensitive method for identification of senescent cells in different types of biological material based on the detection of lipofuscin using an analogue of Sudan Black B (SBB) histochemical dye coupled with biotin, which they named GL13...
February 9, 2017: Aging Cell
https://www.readbyqxmd.com/read/28184928/osthole-inhibits-the-tumorigenesis-of-hepatocellular-carcinoma-cells
#12
Zhi-Kun Lin, Jia Liu, Guo-Qiang Jiang, Guang Tan, Peng Gong, Hai-Feng Luo, Hui-Min Li, Jian Du, Zhen Ning, Yi Xin, Zhong-Yu Wang
Hepatocellular carcinoma (HCC) accounts for approximately 90% of all cases of primary liver cancer, and the majority of patients with HCC are deprived of effective curative methods. Osthole is a Chinese herbal medicine which has been reported to possess various pharmacological functions, including hepatocellular protection. In the present study, we investigated the anticancer activity of osthole using HCC cell lines. We found that osthole inhibited HCC cell proliferation, induced cell cycle arrest, triggered DNA damage and suppressed migration in HCC cell lines...
March 2017: Oncology Reports
https://www.readbyqxmd.com/read/28182000/knockdown-of-long-non-coding-rna-hotair-increases-mir-454-3p-by-targeting-stat3-and-atg12-to-inhibit-chondrosarcoma-growth
#13
Xing Bao, Tingting Ren, Yi Huang, Kunkun Sun, Shidong Wang, Kuisheng Liu, Bingxin Zheng, Wei Guo
Current practices for the therapy of chondrosarcoma, including wide-margin surgical resection and chemotherapy, are less than satisfactory. Recently, emerging evidence has demonstrated that long non-coding RNAs (lncRNAs) have an essential role in the initiation and progression of tumors. As a typical lncRNA, HOTAIR is significantly overexpressed in various tumors. However, the function and potential biological mechanisms of HOTAIR in human chondrosarcoma remain unknown. Quantitative RT-PCR demonstrated that HOTAIR expression was upregulated in chondrosarcoma tissues and cell lines...
February 9, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28178669/ercc6l-a-dna-helicase-is-involved-in-cell-proliferation-and-associated-with-survival-and-progress-in-breast-and-kidney-cancers
#14
Shao-Yan Pu, Qin Yu, Huan Wu, Jian-Jun Jiang, Xiao-Qiong Chen, Yong-Han He, Qing-Peng Kong
By analyzing 4987 cancer transcriptomes from The Cancer Genome Atlas (TCGA), we identified that excision repair cross-complementation group 6 like (ERCC6L), a newly discovered DNA helicase, is highly expressed in 12 solid cancers. However, its role and mechanism in tumorigenesis are largely unknown. In this study, we found that ERCC6L silencing by small interring RNA (siRNA) or short hairpin RNA (shRNA) significantly inhibited the proliferation of breast (MCF-7, MDA-MB-231) and kidney cancer cells (786-0). Furthermore, ERCC6L silencing induced cell cycle arrest at G0/G1 phase without affecting apoptosis...
February 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28178620/mir-944-acts-as-a-prognostic-marker-and-promotes-the-tumor-progression-in-endometrial-cancer
#15
Zhonghui He, Hong Xu, Yugang Meng, Yan Kuang
microRNA-944 (miR-944) has been reported to be deregulation and play either tumor suppressive or oncogenic function in human malignancies. Previous studies have reported that miR-944 is overexpressed in gynecological malignancies including cervical cancer and breast cancer. While, the clinical significance of miR-944 and its function in human endometrial carcinoma (EC) keep unknown. The levels of miR-944 were analyzed in 68 EC tissues and 20 normal endometrial tissues. Results showed that miR-944 was significantly overexpressed in EC tissues compared to normal endometrial tissues...
February 5, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28174693/fanconi-anemia-protein-fancd2-is-activated-by-aicar-a-modulator-of-ampk-and-cellular-energy-metabolism
#16
Min Jeong Chun, Hana Choi, Dong Wha Jun, Sunshin Kim, Yong-Nyun Kim, Soo-Youl Kim, Chang-Hun Lee
FANCD2 is a pivotal molecule in the pathogenesis of Fanconi anemia (FA), an autosomal recessive human syndrome with diverse clinical phenotypes, including cancer predisposition, short stature, and hematological abnormalities. In our previous study, we detected the functional association of FANC proteins, whose mutations are responsible for the onset of FA, with AMPK in response to DNA interstrand crosslinking lesions. Because AMPK is well known as a critical sensing molecule for cellular energy levels, we checked whether FANCD2 activation occurs after treatments affecting AMPK and/or cellular energy status...
February 2017: FEBS Open Bio
https://www.readbyqxmd.com/read/28173777/microrna-29c-inhibits-cell-proliferation-by-targeting-nasp-in-human-gastric-cancer
#17
Beiqin Yu, Xuehua Chen, Jianfang Li, Qinlong Gu, Zhenggang Zhu, Chen Li, Liping Su, Bingya Liu
BACKGROUND: Gastric cancer is one of the most common malignancies worldwide. Recent studies have shown that microRNAs play crucial roles in regulating cellular proliferation process in gastric cancer. MicroRNA-29c (miR-29c) acts as a tumor suppressor in different kinds of tumors. METHODS: Quantitative PCR was performed to evaluate miR-29c expression level in 67 patient gastric cancer tissues and 9 gastric cancer cell lines. The effects of miR-29c were explored by proliferation assay, soft agar colony formation assay, apoptosis and cell cycle analysis using flow cytometry...
February 7, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28131827/long-noncoding-rna-bdnf-as-is-a-potential-biomarker-and-regulates-cancer-development-in-human-retinoblastoma
#18
Weiwei Shang, Yanyan Yang, Jingyi Zhang, Qizheng Wu
BACKGROUND: Long non-coding RNAs (lncRNA) have been shown to play important roles in human cancer. We examined expression, prognostic potential and functional roles of lncRNA, brain-derived neurotrophic factor antisense (BDNF-AS) in human retinoblastoma (RB). METHODS: BDNF-AS expression in RB tumors was characterized according to the clinicopathological parameters of patients. BDNF-AS mRNA level was compared between RB tumors and normal retinas, as well as RB cell lines and normal retinal epithelial cells...
January 25, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28131798/progression-of-human-renal-cell-carcinoma-via-inhibition-of-rhoa-rock-axis-by-parg1
#19
Junichiro Miyazaki, Keiichi Ito, Tomonobu Fujita, Yuriko Matsuzaki, Takako Asano, Masamichi Hayakawa, Tomohiko Asano, Yutaka Kawakami
Renal cell carcinoma (RCC) is the most lethal urological malignancy with high risk of recurrence; thus, new prognostic biomarkers are needed. In this study, a new RCC antigen, PTPL1 associated RhoGAP1 (PARG1), was identified by using serological identification of recombinant cDNA expression cloning with sera from RCC patients. PARG1 protein was found to be differentially expressed in RCC cells among patients. High PARG1 expression is significantly correlated with various clinicopathological factors relating to cancer cell proliferation and invasion, including G3 percentage (P = ...
January 26, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28129625/upregulation-of-the-long-non-coding-rna-spry4-it1-indicates-a-poor-prognosis-and-promotes-tumorigenesis-in-ovarian-cancer
#20
Hongxia Li, Chunhua Liu, Zhanbin Lu, Li Chen, Juan Wang, Yindi Li, Huiping Ma
Long non-coding RNAs (lncRNAs) have been identified to be critical mediators in various tumors associated with cancer progression. LncRNA SPRY4-IT1 serves as a novel prognostic biomarker for hepatocellular carcinoma. However, the biological role and clinical significance of lncRNA SPRY4-IT1 in human ovarian cancer (OC) need to be completely elucidated. The aim of the present study was to explore the lncRNA SPRY4-IT1 expression in human OC patients and its role in OC cells. We show that lncRNA SPRY4-IT1 expression is significantly upregulated in ovarian tumor tissues and OC cell lines in comparison with adjacent non-tumor control tissues and the human ovarian immortalized nontumorigenic ovarian surface epithelial (IOSE), respectively...
January 24, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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