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https://www.readbyqxmd.com/read/28645111/intersecting-transcriptomic-profiling-technologies-and-long-non-coding-rna-function-in-lung-adenocarcinoma-discovery-mechanisms-and-therapeutic-applications
#1
REVIEW
Jonathan Castillo, Theresa R Stueve, Crystal N Marconett
Previously thought of as junk transcripts and pseudogene remnants, long non-coding RNAs (lncRNAs) have come into their own over the last decade as an essential component of cellular activity, regulating a plethora of functions within multicellular organisms. lncRNAs are now known to participate in development, cellular homeostasis, immunological processes, and the development of disease. With the advent of next generation sequencing technology, hundreds of thousands of lncRNAs have been identified. However, movement beyond mere discovery to the understanding of molecular processes has been stymied by the complicated genomic structure, tissue-restricted expression, and diverse regulatory roles lncRNAs play...
June 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28645110/long-noncoding-rna-ccat2-as-a-novel-biomaker-of-metastasis-and-prognosis-in-human-cancer-a-meta-analysis
#2
REVIEW
Dailian Wang, Zhicong Chen, Haidan Xu, Anbang He, Yuchen Liu, Weiren Huang
Colon cancer-associated transcript2 (CCAT2), a long noncoding RNA (LncRNA), has been found to function as an oncogene in various cancers. However, the clinical value of CCAT2 in cancers remains unclear. Therefore, we performed this meta-analysis to investigate the association between CCAT2 level and metastasis & prognosis in malignant tumors. The meta analysis was performed by using a systematic search in PubMed, Web of Science, and Cochrane Library from inception to NOV 17, 2016. According to the inclusion and exclusion criteria,9 studies with 1084 patients were included in the meta-analysis...
May 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28645097/raman-spectroscopy-differentiates-between-sensitive-and-resistant-multiple-myeloma-cell-lines
#3
Domenico Franco, Sebastiano Trusso, Enza Fazio, Alessandro Allegra, Caterina Musolino, Antonio Speciale, Francesco Cimino, Antonella Saija, Fortunato Neri, Marco S Nicolò, Salvatore P P Guglielmino
Current methods for identifying neoplastic cells and discerning them from their normal counterparts are often nonspecific and biologically perturbing. Here, we show that single-cell micro-Raman spectroscopy can be used to discriminate between resistant and sensitive multiple myeloma cell lines based on their highly reproducible biomolecular spectral signatures. In order to demonstrate robustness of the proposed approach, we used two different cell lines of multiple myeloma, namely MM.1S and U266B1, and their counterparts MM...
June 15, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28644958/translating-cancer-epigenomics-into-the-clinic-focus-on-lung-cancer
#4
REVIEW
Josep Mari-Alexandre, Angel Diaz-Lagares, Maria Villalba, Oscar Juan, Ana B Crujeiras, Alfonso Calvo, Juan Sandoval
Epigenetic deregulation is increasingly being recognized as a hallmark of cancer. Recent studies have identified many new epigenetic biomarkers, some of which are being introduced into clinical practice for diagnosis, molecular classification, prognosis or prediction of response to therapies. O-6-methylguanine-DNA methyltransferase gene is the most clinically advanced epigenetic biomarker as it predicts the response to temozolomide and carmustine in gliomas. Therefore, epigenomics may represent a novel and promising tool for precision medicine, and in particular, the detection of epigenomic biomarkers in liquid biopsies will be of great interest for monitoring diseases in patients...
June 2, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/28644133/prognostic-value-of-decreased-long-non-coding-rna-tusc7-expression-in-some-solid-tumors-a-systematic-review-and-meta-analysis
#5
Na Li, Meilan Yang, Ke Shi, Wei Li
Accumulating evidences indicated that tumor suppressor candidate 7 (TUSC7) is a putatively tumor suppressor gene in various tumors. We carried out current systematic review and meta-analysis to explore the decreased expression of TUSC7 associate with prognostic and clinicopathological characteristic in cancer patients. A literature collection search in the online electronic databases PubMed, Embase, Web of Science, and CNKI was conducted to obtain eligible studies (up to February 20, 2017). A total of nine studies comprise 757 patients were identified and included in present meta-analysis based on the selection and inclusion criteria...
June 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28643774/insufficient-antibody-validation-challenges-oestrogen-receptor-beta-research
#6
Sandra Andersson, Mårten Sundberg, Nusa Pristovsek, Ahmed Ibrahim, Philip Jonsson, Borbala Katona, Carl-Magnus Clausson, Agata Zieba, Margareta Ramström, Ola Söderberg, Cecilia Williams, Anna Asplund
The discovery of oestrogen receptor β (ERβ/ESR2) was a landmark discovery. Its reported expression and homology with breast cancer pharmacological target ERα (ESR1) raised hopes for improved endocrine therapies. After 20 years of intense research, this has not materialized. We here perform a rigorous validation of 13 anti-ERβ antibodies, using well-characterized controls and a panel of validation methods. We conclude that only one antibody, the rarely used monoclonal PPZ0506, specifically targets ERβ in immunohistochemistry...
June 15, 2017: Nature Communications
https://www.readbyqxmd.com/read/28643604/long-non-coding-rnas-new-biomarkers-for-prognosis-and-diagnosis-of-colon-cancer
#7
Heng Deng, Jian Min Wang, Ming Li, Ran Tang, Kun Tang, Yingzi Su, Yong Hou, Jun Zhang
Dysregulation of long non-coding RNAs has been found in many human cancers, including colorectal cancer that is still the third most prevalent cancer worldwide and related to poor prognosis; along with this, robust testimony has identified that long non-coding RNAs can take charge of tumor suppressor genes or oncogenes. This review summarizes nowadays research achievements on the character of long non-coding RNAs in the prognosis and diagnosis of colorectal cancer. On the basis of the results acquired in the last decade, some long non-coding RNAs are rising as biomarkers of colorectal cancer for prognosis, diagnosis, even prediction of therapeutic result, and have crucial effects in the regulation of colorectal cancer cell functions such as proliferation, invasion, apoptosis, metastasis, and drug resistant ability...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28642874/combination-treatment-with-ppar%C3%AE-ligand-and-its-specific-inhibitor-gw9662-downregulates-bis-and-14-3-3-gamma-inhibiting-stem-like-properties-in-glioblastoma-cells
#8
Chang-Nim Im
PPARγ is a nuclear receptor that regulates differentiation and proliferation and is highly expressed in many cancer cells. Its synthetic ligands, such as rosiglitazone and ciglitazone, and its inhibitor GW9662, were shown to induce cellular differentiation, inhibit proliferation, and lead to apoptosis. Glioblastoma is a common brain tumor with poor survival prospects. Recently, glioblastoma stem cells (GSCs) have been examined as a potential target for anticancer therapy; however, little is known about the combined effect of various agents on GSCs...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28642487/hypoxia-is-a-key-driver-of-alternative-splicing-in-human-breast-cancer-cells
#9
Jian Han, Jia Li, Jolene Caifeng Ho, Grace Sushin Chia, Hiroyuki Kato, Sudhakar Jha, Henry Yang, Lorenz Poellinger, Kian Leong Lee
Adaptation to hypoxia, a hallmark feature of many tumors, is an important driver of cancer cell survival, proliferation and the development of resistance to chemotherapy. Hypoxia-induced stabilization of hypoxia-inducible factors (HIFs) leads to transcriptional activation of a network of hypoxia target genes involved in angiogenesis, cell growth, glycolysis, DNA damage repair and apoptosis. Although the transcriptional targets of hypoxia have been characterized, the alternative splicing of transcripts that occurs during hypoxia and the roles they play in oncogenesis are much less understood...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28642484/mir-100-5p-inhibition-induces-apoptosis-in-dormant-prostate-cancer-cells-and-prevents-the-emergence-of-castration-resistant-prostate-cancer
#10
Noushin Nabavi, Nur Ridzwan Nur Saidy, Erik Venalainen, Anne Haegert, Abhijit Parolia, Hui Xue, Yuwei Wang, Rebecca Wu, Xin Dong, Colin Collins, Francesco Crea, Yuzhuo Wang
Carcinoma of the prostate is the most common cancer in men. Treatment of aggressive prostate cancer involves a regiment of radical prostectomy, radiation therapy, chemotherapy and hormonal therapy. Despite significant improvements in the last decade, the treatment of prostate cancer remains unsatisfactory, because a significant fraction of prostate cancers develop resistance to multiple treatments and become incurable. This prompts an urgent need to investigate the molecular mechanisms underlying the evolution of therapy-induced resistance of prostate cancer either in the form of castration-resistant prostate cancer (CRPC) or transdifferentiated neuroendocrine prostate cancer (NEPC)...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28642451/il-10-plays-a-pivotal-role-in-tamoxifen-induced-spasmolytic-polypeptide-expressing-metaplasia-in-gastric-mucosa
#11
Chansu Lee, Hyuk Lee, Seo Yun Hwang, Chang Mo Moon, Sung Noh Hong
Background/Aims: Gastric cancer evolves in the pathologic mucosal milieu, and its development is characterized by both the loss of acid-secreting parietal cells and mucosal cell metaplasia, called spasmolytic polypeptide-expressing metaplasia (SPEM). Cytokines, such as interleukin (IL)-10, IL-1β, and IL-6, play a key role in gastric carcinogenesis. However, changes in the cytokine profile of SPEM have not been evaluated. Methods: To induce SPEM in mouse stomachs, C57BL/6 mice were intraperitoneally injected with tamoxifen and sacrificed at 3, 10, and 21 days after treatment...
June 26, 2017: Gut and Liver
https://www.readbyqxmd.com/read/28642173/protein-functional-effector-sncrnas-pfernas-in-lung-cancer
#12
Malcolm Brock, Yuping Mei
PIWI-interacting RNA Likes (piR-Ls) were recently reported to regulate functions of their target phospho-Proteins (p-Proteins) in somatic lung cells. However, the mechanism underlying this functionality remains unclear. piR-Ls interact with their targets through direct binding but do not follow base-pairing rules, known to have important roles at levels of transcription, RNA processing and translation for small non-coding RNA (sncRNA). These observations imply a fundamentally different type of sncRNA with behavior that causes a molecular response in their target p-Proteins...
June 19, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28642131/mir-217-suppresses-proliferation-and-promotes-apoptosis-in-cardiac-myxoma-by-targeting-interleukin-6
#13
Jing Zhang, Cui Wang, Huimin Xu
Cardiac myxoma (CM) is a prevalent primary cardiac tumor. miR-217 plays a vital role in tumorigenesis of various cancers, however, its role and underlying molecular mechanism in human CM remain poorly understood. Here, we reported that the expression of miR-217 was downregulated in CM tissues and inversely correlated with the expression of Interleukin-6 (IL-6) mRNA. Gain-of-function analysis indicated that overexpression of miR-217 inhibited the proliferation and promoted the apoptosis of the primary CM cells...
June 19, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28641698/-expression-of-serum-lncrna-hotair-in-non-small-cell-lung-cancer-%C3%A2-and-its-clinical-significance
#14
Nan Tan, Lihong Li, Lu Bai, Kun Zhao
BACKGROUND: The expression of long noncoding RNA HOX antisense RNA (HOTAIR) is abnormal in a variety of tumors. The aim of this study is to explore the serum levels and clinical significance of HOTAIR in patients with non-small cell lung cancer (NSCLC). METHODS: The serum levels of HOTAIR were detected by real-time quantitative polymerase chain reaction (PCR) in 64 NSCLC patients and 64 normal controls. The relationships between the serum levels of HOTAIR and clinical pathological parameters were analyzed...
June 20, 2017: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/28641547/recent-advances-on-the-role-of-micrornas-in-both-insulin-resistance-and-cancer
#15
Adele Vivacqua, Paola De Marco, Antonino Belfiore, Marcello Maggiolini
BACKGROUND: Insulin resistance is a pathological condition characterized by the failure of target cells to uptake and metabolizes glucose in response to insulin. In particular, the elevated concentrations of glucose, insulin and free insulin growth factor-1, which result from insulin resistance, may generate a pro-inflammatory and pro-tumorigenic state. These alterations may underlie the increased risk to develop various types of cancer as well as the worse cancer prognosis observed in obese and diabetic patients...
June 22, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28641531/application-of-alphaviral-vectors-for-immunomodulation-in-cancer-therapy
#16
Anna Zajakina, Karina Spunde, Kenneth Lundstrom
BACKGROUND: The lack of specific and efficient cancer therapies has influenced the development of novel approaches, such as immunotherapy, which from its original application of immunogenic protein delivery has developed into the use of more sophisticated recombinant gene delivery methods to achieve better safety and efficacy profiles. This approach involves viral and non-viral delivery systems. METHODS: Expression vectors have been engineered for alphaviruses, including Semliki Forest virus, Sindbis virus and Venezuelan equine encephalitis virus...
June 21, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28641521/lncrna-hotair-polymorphisms-association-with-cancer-susceptibility-in-different-tumor-types
#17
Gerardo Botti, Francesca Collina, Giosuè Scognamiglio, Gabriella Aquino, Margherita Cerrone, Giuseppina Liguori, Vincenzo Gigantino, Maria Gabriella Malzone, Monica Cantile
Single nucleotide polymorphisms (SNPs) in non coding RNAs (ncRNA) molecules affect gene and protein expression and generate genetic variability influencing the risk of tumor diseases. HOTAIR is locates at the heart of the cell memory gene program and represents a prototype of long non coding RNA (LncRNA) due to its capacity to regulate in-trans a distant chromosome landscape. Aberrant expression of HOTAIR is frequently associated with pathogenesis and mostly with metastatic progression of several human cancers...
June 21, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/28641488/uca1-involved-in-the-metformin-regulated-bladder-cancer-cell-proliferation-and-glycolysis
#18
Tian Li, Xiangzhou Sun, Xianhan Jiang
Despite great scientific advances have been achieved in cancer treatment in recent years, the death rate of bladder cancer has been staying at a high level. Metformin, a widely-used and low-cost diabetes medicine, might have the potential of anticancer. The aim of this study was to evaluate the effects of metformin on bladder cancer cells and to identify potential molecular targets and signaling pathways. Bladder cancer 5637 cells transfected with either pcDNA/UCA1 vector or pcDNA3.1 empty vector were treated with various doses of metformin for different periods of time, and then cell proliferation and glycolysis were assessed...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28641312/impact-of-novel-mir-145-3p-regulatory-networks-on-survival-in-patients-with-castration-resistant-prostate-cancer
#19
Yusuke Goto, Akira Kurozumi, Takayuki Arai, Nijiro Nohata, Satoko Kojima, Atsushi Okato, Mayuko Kato, Kazuto Yamazaki, Yasuo Ishida, Yukio Naya, Tomohiko Ichikawa, Naohiko Seki
BACKGROUND: Despite recent advancements, metastatic castration-resistant prostate cancer (CRPC) is not considered curative. Novel approaches for identification of therapeutic targets of CRPC are needed. METHODS: Next-generation sequencing revealed 945-1248 miRNAs from each lethal mCRPC sample. We constructed miRNA expression signatures of CRPC by comparing the expression of miRNAs between CRPC and normal prostate tissue or hormone-sensitive prostate cancer (HSPC)...
June 22, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28640876/reliability-and-performance-of-commercial-rna-and-dna-extraction-kits-for-ffpe-tissue-cores
#20
Palak G Patel, Shamini Selvarajah, Karl-Philippe Guérard, John M S Bartlett, Jacques Lapointe, David M Berman, John B A Okello, Paul C Park
Cancer biomarker studies often require nucleic acid extraction from limited amounts of formalin-fixed, paraffin-embedded (FFPE) tissues, such as histologic sections or needle cores. A major challenge is low quantity and quality of extracted nucleic acids, which can limit our ability to perform genetic analyses, and have a significant influence on overall study design. This study was aimed at identifying the most reliable and reproducible method of obtaining sufficient high-quality nucleic acids from FFPE tissues...
2017: PloS One
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