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https://www.readbyqxmd.com/read/29785126/impact-of-targeting-transforming-growth-factor-%C3%AE-2-with-antisense-ot-101-on-the-cytokine-and-chemokine-profile-in-patients-with-advanced-pancreatic-cancer
#1
Osmond J D'Cruz, Sanjive Qazi, Larn Hwang, Kevin Ng, Vuong Trieu
Background: Overexpression of the cytokine - transforming growth factor-beta 2 (TGF-β2) - has been implicated in the malignant progression of pancreatic cancer (PAC). OT-101 (trabedersen) is an antisense oligodeoxynucleotide designed to target the human TGF-β2 mRNA. In a Phase I/II study, OT-101 treatment with subsequent chemotherapy was characterized by outstanding overall survival (OS) in patients with PAC. Objective: This study sought to identify 1) co-regulated sets of cyto-/chemokines; 2) potential mechanisms that link TGF-β receptor type 2 receptor inhibition that may result in the induction of a cytokine storm; and 3) predictive biomarkers for OS outcome in OT-101-treated patients with PAC...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29778540/the-clinicopathological-and-prognostic-value-of-long-non-coding-rna-zeb1-as1-in-solid-tumors-a-meta-analysis
#2
REVIEW
Chaojie Liang, Jing Liu, Hua Ge, Yingchen Xu, Guangming Li, Jixiang Wu
BACKGROUND AND AIM: Studies have reported that Zinc finger E-box binding homeobox 1 antisense 1 (ZEB1-AS1) is overexpressed in many malignant tumors. However, the sample size in those studies was limited, so the clinicopathological and prognostic value of ZEB1-AS1 in solid tumors remains undetermined, Accordingly, the aim of this meta-analysis was to evaluate the relationship between the expression of lncRNA ZEB1-AS1 and clinicopathological characteristics and prognosis in patients with solid tumors...
May 17, 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29772549/long-non-coding-rna-and-polycomb-an-intricate-partnership-in-cancer-biology
#3
Cyrinne Achour, Francesca Aguilo
High-throughput analyses have revealed that the vast majority of the transcriptome does not code for proteins. These non-translated transcripts, when larger than 200 nucleotides, are termed long non-coding RNAs (lncRNAs), and play fundamental roles in diverse cellular processes. LncRNAs are subject to dynamic chemical modification, adding another layer of complexity to our understanding of the potential roles that lncRNAs play in health and disease. Many lncRNAs regulate transcriptional programs by influencing the epigenetic state through direct interactions with chromatin-modifying proteins...
June 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/29772237/lsinct5-activates-wnt-%C3%AE-catenin-signaling-by-interacting-with-ncym-to-promote-bladder-cancer-progression
#4
Xiaobo Zhu, Yuqiao Li, Shikai Zhao, Shouguo Zhao
Accumulating evidence has indicated that long non-coding RNAs (lncRNAs) are critically involved in tumor progression. In current study, we reported a novel lncRNA signature correlated with bladder cancer development. Particularly, the lncRNA long stress-induced noncoding transcript 5 (LSINCT5) is significantly upregulated in human bladder cancer cell lines and tumor specimens. Meanwhile, high LSINCT5 expression correlates with poor prognosis, enhances tumor sphere formation and invasion in vitro. In vivo xenograft tumor growth is also elevated by LSINCT5 overexpression...
May 14, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29771081/-analysis-of-related-factors-of-coins-foreign-bodies-crossing-the-esophagus-in-204-cases-of-children
#5
H L Lv, B Yan, Q H Zhang
Objective: To explore the anti-tumor effect of Stat3 antisense oligodeoxynucleotide on human Hep-2 cell tumor-bearing BALB/c nude mouse, to study the therapeutic value of Stat3 antisense oligodeoxynucleotide on laryngeal cancer. Method: Hep-2 cells from human laryngeal carcinoma in logarithmic phase were inoculated subcutaneously into BALB/c mice to establish a model of human Hep-2 cell tumor-bearing BALB/c mice. They were divided into blank group, control group and different concentrations of AS3 groups(1 group, 2 group, 3 group, 4 group), and then intraperitoneally administered once a day for 4 weeks, measuring body weight twice a week, and the long and short diameters of the tumors were recorded...
May 2018: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29767230/competing-endogenous-rna-regulatory-network-in-papillary-thyroid-carcinoma
#6
Shouhua Chen, Xiaobin Fan, He Gu, Lili Zhang, Wenhua Zhao
The present study aimed to screen all types of RNAs involved in the development of papillary thyroid carcinoma (PTC). RNA‑sequencing data of PTC and normal samples were used for screening differentially expressed (DE) microRNAs (DE‑miRNAs), long non‑coding RNAs (DE‑lncRNAs) and genes (DEGs). Subsequently, lncRNA‑miRNA, miRNA‑gene (that is, miRNA‑mRNA) and gene‑gene interaction pairs were extracted and used to construct regulatory networks. Feature genes in the miRNA‑mRNA network were identified by topological analysis and recursive feature elimination analysis...
May 11, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29765554/targeted-nanoparticle-delivery-of-therapeutic-antisense-micrornas-presensitizes-glioblastoma-cells-to-lower-effective-doses-of-temozolomide-in-vitro-and-in-a-mouse-model
#7
Meenakshi Malhotra, Thillai Veerapazham Sekar, Jeyarama S Ananta, Rammohan Devulapally, Rayhaneh Afjei, Husam A Babikir, Ramasamy Paulmurugan, Tarik F Massoud
Temozolomide (TMZ) chemotherapy for glioblastoma (GBM) is generally well tolerated at standard doses but it can cause side effects. GBMs overexpress microRNA-21 and microRNA-10b, two known oncomiRs that promote cancer development, progression and resistance to drug treatment. We hypothesized that systemic injection of antisense microRNAs (antagomiR-21 and antagomiR-10b) encapsulated in cRGD-tagged PEG-PLGA nanoparticles would result in high cellular delivery of intact functional antagomiRs, with consequent efficient therapeutic response and increased sensitivity of GBM cells to lower doses of TMZ...
April 20, 2018: Oncotarget
https://www.readbyqxmd.com/read/29749477/long-non-coding-rna-hoxd-as1-promotes-tumor-progression-and-predicts-poor-prognosis-in-colorectal-cancer
#8
Xiang Li, Xinhan Zhao, Binhui Yang, Yuqing Li, Tao Liu, Linyuan Pang, Zhigang Fan, Wu Ma, Zhongqiu Liu, Zeng Li
Mounting evidence has indicated that long non‑coding RNAs (lncRNA) serve important roles in tumor development. Previous studies have demonstrated that the lncRNA HOXD cluster antisense RNA 1 (HOXD‑AS1) promotes tumor progression in numerous types of cancer; however, the role of HOXD‑AS1 in colorectal cancer (CRC) remains unclear. In the present study, the expression levels of HOXD‑AS1 were detected in CRC tissues and cell lines using quantitative polymerase chain reaction. In addition, the biological effects of HOXD‑AS1 on CRC were evaluated in vitro by cell counting kit‑8, colony formation and Transwell assays, and in vivo by tumorigenesis and metastasis assays...
May 9, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29741668/dynamic-chromosomal-tuning-of-a-novel-gau1-lncing-driver-at-chr12p13-32-accelerates-tumorigenesis
#9
Peiwei Chai, Ruobing Jia, Renbing Jia, Hui Pan, Shaoyun Wang, Hongyan Ni, Huixue Wang, Chuandi Zhou, Yingyun Shi, Shengfang Ge, He Zhang, Xianqun Fan
Aberrant chromatin transformation dysregulates gene expression and may be an important driver of tumorigenesis. However, the functional role of chromosomal dynamics in tumorigenesis remains to be elucidated. Here, using in vitro and in vivo experiments, we reveal a novel long noncoding (lncing) driver at chr12p13.3, in which a novel lncRNA GALNT8 Antisense Upstream 1 (GAU1) is initially activated by an open chromatin status, triggering recruitment of the transcription elongation factor TCEA1 at the oncogene GALNT8 promoter and cis-activates the expression of GALNT8...
May 8, 2018: Nucleic Acids Research
https://www.readbyqxmd.com/read/29740481/long-noncoding-afap1-antisense-rna-1-is-upregulated-and-promotes-tumorigenesis-in-gastric-cancer
#10
Fei Ye, Yi Gong, Xiangheng Chen, Meiying Yu, Zhongkun Zuo, Dongni Pei, Wei Liu, Qunwei Wang, Jun Zhou, Lunxi Duan, Leiyi Zhang, Xiaojing Li, Tenglong Tang, Jiangsheng Huang
Long noncoding RNA serves important roles in gastric cancer (GC). However, the prognostic significance and tumorigenesis effect of AFAP1-antisense RNA 1 (AS1) in GC remain to be clarified. The present study was conducted in order to determine the expression level of AFAP1-AS1 by reverse transcription-quantitative polymerase chain reaction. It was demonstrated that AFAP1-AS1 expression level was higher in GC tissues in comparison with adjacent tissues. By analyzing 66 GC tissue specimens, AFAP1-AS1 expression level was found to be markedly associated with tumor size, clinical stage and differentiation...
May 2018: Oncology Letters
https://www.readbyqxmd.com/read/29721169/differentiation-inducing-therapeutic-effect-of-notch-inhibition-in-reversing-malignant-transformation-of-liver-normal-stem-cells-via-met
#11
Hao Luo, Wei-Hui Liu, Hong-Yin Liang, Hong-Tao Yan, Ning Lin, Dong-Yu Li, Tao Wang, Li-Jun Tang
Background: Liver cancer stem cells (LCSCs) are the key factors for cancer metastasis, recurrent, and drug resistance. LCSCs are originated from either hepatocytes dedifferentiation or differentiation arresting of liver normal stem cells (LNSCs). Differentiation-inducing therapy is a novel strategy in solid tumors. Furthermore, Notch signaling pathway has been proved to play important role in the process of hepatocytes differentiation. In previous study, a malignant transformation cellular model of LNSCs has been built up, and in this study we are trying to illustrate whether inhibition of Notch can reverse this malignant tendency and drive these malignant cells back to differentiate into mature hepatocytes...
April 10, 2018: Oncotarget
https://www.readbyqxmd.com/read/29710528/long-noncoding-rna-bdnf-as-is-associated-with-clinical-outcomes-and-has-functional-role-in-human-prostate-cancer
#12
Wensheng Li, Zhongling Dou, Shuguang We, Zhiyi Zhu, Dong Pan, Zhaohui Jia, Hui Liu, Xiaobin Wang, Guoqiang Yu
BACKGROUND: The underlying molecular mechanisms of prostate cancer (CaP) are largely unknown. We investigated the expression, prognostic value and functional role of long non-coding RNA (lncRNA) brain-derived neurotrophin factor antisense (BDNF-AS) in CaP. METHODS: Clinical tumor samples were excised from patients with CaP. Their endogenous BDNF-AS expression levels were evaluated by qRT-PCR. Correlations between CaP patients' endogenous BDNF-AS expression and their clinicopathological factors, overall survival were statistically analyzed...
June 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29709443/upregulation-of-lncrna-fezf-as1-is-associated-with-advanced-clinical-stages-and-family-history-of-cancer-in-patients-with-nsclc
#13
Wei Gong, Yi Cao, Yuanyuan Wang, Lei Yang, Wenpeng Su, Fuman Qiu, Soham Datta, Boqi Rao, Jianfeng Xian, Mingzhu Lin, Yingyi Feng, Xin Zhang, Yifeng Zhou, Xingcheng Gao, Jiachun Lu
Antisense RNA (AS) is a type of long non-coding RNAs that functions as a post-transcriptional regulatory element on regulating parental coding gene expression via directly binding to complementary mRNA sequences. We aimed to investigate the effect of the AS to FEZF1 gene on non-small cell lung cancer (NSCLC) development. The expression level of lncRNA FEZF-AS1 and FEZF1 was determined by the quantitative Real-time PCR in 160 cases of NSCLC tissues and their adjacent non-tumour tissues. We found that lncRNA FEZF-AS1 was significantly up-regulated in tumour tissues when compared to the adjacent non-cancerous tissues (P = 0...
April 24, 2018: Pathology, Research and Practice
https://www.readbyqxmd.com/read/29703843/mkad-21-suppresses-the-oncogenic-activity-of-the-mir-21-ppp2r2a-erk-molecular-network-in-bladder-cancer
#14
Marina Koutsioumpa, Hsiao-Wang Chen, Neil O'Brien, Filippos Koinis, Swapna Mahurkar-Joshi, Christina Vorvis, Artin Soroosh, Tong Luo, Shawnt Issakhanian, Allan J Pantuck, Vasilis Georgoulias, Dimitrios Iliopoulos, Dennis J Slamon, Alexandra Drakaki
Bladder cancer (BC) represents a disease associated with significant morbidity and mortality. MicroRNA-21 (MiR-21) has been found to have oncogenic activity in multiple cancers, including BC, while inhibition of its expression suppresses tumor growth. Here, we examine the molecular network regulated by miR-21 in BC and evaluate the effects of intravenous (I.V.) and intraperitoneal (I.P.) administration of a novel miR-21 chemical inhibitor in vivo. LNA miR-21 reduced the oncogenic potential of BC cells, while the MKAD-21 chemically-modified antisense oligo against miR-21, dose-dependently blocked xenograft growth...
April 27, 2018: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/29702599/noncoding-rna-rna-regulatory-networks-in-cancer
#15
REVIEW
Jia Jia Chan, Yvonne Tay
Noncoding RNAs (ncRNAs) constitute the majority of the human transcribed genome. This largest class of RNA transcripts plays diverse roles in a multitude of cellular processes, and has been implicated in many pathological conditions, especially cancer. The different subclasses of ncRNAs include microRNAs, a class of short ncRNAs; and a variety of long ncRNAs (lncRNAs), such as lincRNAs, antisense RNAs, pseudogenes, and circular RNAs. Many studies have demonstrated the involvement of these ncRNAs in competitive regulatory interactions, known as competing endogenous RNA (ceRNA) networks, whereby lncRNAs can act as microRNA decoys to modulate gene expression...
April 27, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29694981/circrna-cdr1as-exerts-anti-oncogenic-functions-in-bladder-cancer-by-sponging-microrna-135a
#16
Peng Li, Xiao Yang, Wenbo Yuan, Chengdi Yang, Xiaolei Zhang, Jie Han, Jingzi Wang, Xiaheng Deng, Haiwei Yang, Pengchao Li, Jun Tao, Qiang Lu, Min Gu
BACKGROUND/AIMS: CircRNAs regulate gene expression in different malignancies. However, the role of Cdr1as in the tumourigenesis of bladder cancer and its potential mechanisms remain unknown. METHODS: qRT-PCR was used to detect Cdr1as and target miRNA expression in bladder cancer tissues and cell lines. Biological functional experiments were performed to detect the effects of Cdr1as on the biological behaviour of bladder cancer cells in vivo and in vitro. Bioinformatic analysis was utilised to predict potential miRNA target sites on Cdr1as...
April 20, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29692675/decreased-carbonyl-reductase-1-expression-promotes-tumor-growth-via-epithelial-mesenchymal-transition-in-uterine-cervical-squamous-cell-carcinomas
#17
Yuki Nishimoto, Akihiro Murakami, Shun Sato, Takuya Kajimura, Kengo Nakashima, Kazuyuki Yakabe, Kotaro Sueoka, Norihiro Sugino
Purpose: Carbonyl reductase 1 (CBR1) is involved in cancer progression. Recently, the authors reported that the loss of CBR1 expression is associated with a poor prognosis in uterine cervical cancer. Here, we investigated whether the decreased CBR1 expression promotes cancer progression by inducing the epithelial mesenchymal transition (EMT). Methods: Antisense constructs of CBR1 complementary DNA (antisense clones) and the empty vectors (control clones) were transfected into human uterine cervical squamous cell carcinoma cell lines (SKG II and SiHa) and the proliferation and EMT marker expression of these clones were analyzed in vitro...
April 2018: Reproductive Medicine and Biology
https://www.readbyqxmd.com/read/29683069/plasma-long-non-coding-rna-hotair-as-a-potential-biomarker-for-gastric-cancer
#18
Eman T Elsayed, Perihan E Salem, Azaa M Darwish, Haytham M Fayed
BACKGROUND: Long non-coding RNAs (lncRNAs) Hox transcript antisense intergenic RNA ( HOTAIR) has been suggested to be implicated in gastric cancer tumorigenesis and progression; however, little is known about the role of the plasma HOTAIR in gastric cancer diagnosis and prognosis. OBJECTIVE: The current study was aimed at investigating the clinical relevance of plasma long non-coding HOTAIR as a non-invasive diagnostic biomarker in gastric cancer. METHODS: Plasma HOTAIR expression was measured in 50 patients with newly diagnosed gastric cancer and 50 age- and sex-matched healthy controls using quantitative reverse transcription polymerase chain reaction...
April 1, 2018: International Journal of Biological Markers
https://www.readbyqxmd.com/read/29680837/lncrna-hotair-is-a-prognostic-biomarker-for-the-proliferation-and-chemoresistance-of-colorectal-cancer-via-mir-203a-3p-mediated-wnt-%C3%A3-catenin-signaling-pathway
#19
Zhigang Xiao, Zhan Qu, Zhikang Chen, Zhixue Fang, Ke Zhou, Zhongcheng Huang, Xiong Guo, Yang Zhang
BACKGROUND/AIMS: HOX transcript antisense RNA (HOTAIR) plays a vital role in carcinogenesis. However, its functional and regulatory roles remain unclear. In this study, we aimed to investigate its biological function and clinical significance in human colorectal cancer (CRC). METHODS: We examined the expression levels of lncRNA HOTAIR and miR-203a-3p in CRC tissues and CRC cell lines by qRT-PCR. Gain and loss-of-function assays were performed to examine the effects of HOTAIR and miR-203a-3p on the proliferation and chemoresistance of CRC cells...
2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29675107/reassessing-the-potential-of-myb-targeted-anti-cancer-therapy
#20
REVIEW
Xiaofeng Liu, Yunxiao Xu, Liping Han, Yan Yi
Transcription factor MYB is essential for the tumorigenesis of multiple cancers, especially leukemia, breast cancer, colon cancer, adenoid cystic carcinoma and brain cancer. Thus, MYB has been regarded as an attractive target for tumor therapy. However, pioneer studies of antisense oligodeoxynucleotides against MYB, which were launched three decades ago in leukemia therapy, were discontinued because of their unsatisfactory clinical outcomes. In recent years, the roles of MYB in tumor transformation have become increasingly clear...
2018: Journal of Cancer
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