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https://www.readbyqxmd.com/read/29036883/microrna-34a-a-versatile-regulator-of-myriads-of-targets-in-different-cancers
#1
REVIEW
Ammad Ahmad Farooqi, Sobia Tabassum, Aamir Ahmad
MicroRNA-34a (miR-34a) is a tumor suppressor that has attracted considerable attention in recent years. It modulates cancer cell invasion, metastasis, and drug resistance, and has also been evaluated as a diagnostic and/or prognostic biomarker. A number of targets of miR-34a have been identified, including some other non-coding RNAs, and it is believed that the modulation of these myriads of targets underlines the versatile role of miR-34a in cancer progression and pathogenesis. Seemingly appealing results from preclinical studies have advocated the testing of miR-34a in clinical trials...
October 2, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29036676/anti-crisprdb-a-comprehensive-online-resource-for-anti-crispr-proteins
#2
Chuan Dong, Ge-Fei Hao, Hong-Li Hua, Shuo Liu, Abraham Alemayehu Labena, Guoshi Chai, Jian Huang, Nini Rao, Feng-Biao Guo
CRISPR-Cas is a tool that is widely used for gene editing. However, unexpected off-target effects may occur as a result of long-term nuclease activity. Anti-CRISPR proteins, which are powerful molecules that inhibit the CRISPR-Cas system, may have the potential to promote better utilization of the CRISPR-Cas system in gene editing, especially for gene therapy. Additionally, more in-depth research on these proteins would help researchers to better understand the co-evolution of bacteria and phages. Therefore, it is necessary to collect and integrate data on various types of anti-CRISPRs...
September 25, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29035824/knockdown-of-diaph1-expression-inhibits-migration-and-decreases-the-expression-of-mmp2-and-mmp9-in-human-glioma-cells
#3
Can Zhang, Lin Wang, Jiaying Chen, Jie Liang, Yaming Xu, Zhe Li, Fuxue Chen, Dongshu Du
As the most common primary central nervous system tumor, glioma is characterized by high levels of mortality and migration. Unclear boundary with normal brain tissue results in poor treatment. The mammalian diaphanous-related formin 1 (Diaph1) which belongs to formin-homology protein family, is a target of RhoA and involved in a number of actin-related biological processes, which abnormally expressed in pathological conditions in a number of tumors. Immunohistochemical analysis showed that Diaph1 was overexpressed in glioma tissues compared with normal human brain tissue...
October 12, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29035685/mechanistic-effect-of-human-umbilical-cord-blood-derived-mesenchymal-stem-cells-on-the-submandibular-salivary-gland-in-ovariectomized-rats
#4
Zienab Gouda, Mohamed Khalifa, Sally Shalaby, Samia Hussein
To reveal the effect of human umbilical cord blood-derived mesenchymal stem cells (hUCB-MSCs) on the submandibular gland after bilateral ovariectomy, 21 adult Sprague-Dawley female rats were divided equally into three groups: sham-operated group (SHAM), ovariectomized group (OVX) and OVX received repeated intravenous injection of hUCB-MSCs group (OVX + hUCB-MSCs). RT-PCR for AQP3, AQP4, AQP5 and BMP6 gene expression was determined. The cellular localization and expression of anti-human CD105 anti-human CD34, anti-proliferating nuclear antigen (PCNA), anti-single stranded DNA(ssDNA), anti-Caspase 3, anti-aquaporin 1(AQP1) and anti-α smooth muscle actin(α-SMA) were determined immunohistochemically...
October 16, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29035465/enhanced-specificity-of-braf-v600e-genotyping-using-wild-type-blocker-coupled-with-internal-competitive-reference-in-a-single-tube
#5
Jia Peng, Kun Wei, Shu Yu, Xiang Yang, Xiang Zhao, Yu Liu, Xiao-Yan Zhu, Na Zhao, Qing Huang, Wei-Ling Fu
BACKGROUND: Mutations in the BRAF gene have been strongly associated with failure in cancer treatment using epidermal growth factor receptor (EGFR) antibodies. To better diagnose and assess the prognosis of cancer patients, mutation screening of the BRAFV600E gene should be performed prior to clinical anti-tumor drug therapy to avoid ineffective treatment. METHODS: In our previous study, we developed a real-time wild-type blocking PCR (WTB-PCR), which can amplify the mutant allele at high efficiency while simultaneously inhibiting the amplification of wild-type alleles...
October 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/29035388/a-novel-her2-gene-body-enhancer-contributes-to-her2-expression
#6
Q Liu, M V Kulak, N Borcherding, P K Maina, W Zhang, R J Weigel, H H Qi
The transcriptional regulation of the human epidermal growth factor receptor-2 (HER2) contributes to an enhanced HER2 expression in HER2-positive breast cancers with HER2 gene amplification and HER2-low or HER2-negative breast cancers following radiotherapy or endocrine therapy, and this drives tumorigenesis and the resistance to therapy. Epigenetic mechanisms are critical for transcription regulation, however, such mechanisms in the transcription regulation of HER2 are limited to the involvement of tri-methylated histone 3 lysine 4 (H3K4me3) and acetylated histone 3 lysine 9 (H3K9ac) at the HER2 promoter region...
October 16, 2017: Oncogene
https://www.readbyqxmd.com/read/29035380/mixed-cell-therapy-of-bone-marrow-derived-mesenchymal-stem-cells-and-articular-cartilage-chondrocytes-ameliorates-osteoarthritis-development
#7
Indira Prasadam, Akoy Akuien, Thor E Friis, Wei Fang, Xinzhan Mao, Ross W Crawford, Yin Xiao
Of the many cell-based treatments that have been tested in an effort to regenerate osteoarthritic articular cartilage, none have ever produced cartilage that compare with native hyaline cartilage. Studies show that different cell types lead to inconsistent results and for cartilage regeneration to be considered successful, there must be an absence of fibrotic tissue. Here we report of a series of experiments in which bone marrow-derived stem cells (BMSCs) and articular cartilage chondrocytes (ACCs) were mixed in a 1:1 ratio and tested for their ability to enhance cartilage regeneration in three different conditions: (1) in an in vitro differentiation model; (2) in an ex vivo cartilage defect model implanted subcutaneously in mice; and (3) as an intra-articular injection in a meniscectomy-induced OA model in rats...
October 16, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29035368/activation-of-intestinal-hypoxia-inducible-factor-2%C3%AE-during-obesity-contributes-to-hepatic-steatosis
#8
Cen Xie, Tomoki Yagai, Yuhong Luo, Xianyi Liang, Tao Chen, Qiong Wang, Dongxue Sun, Jie Zhao, Sadeesh K Ramakrishnan, Lulu Sun, Chunmei Jiang, Xiang Xue, Yuan Tian, Kristopher W Krausz, Andrew D Patterson, Yatrik M Shah, Yue Wu, Changtao Jiang, Frank J Gonzalez
Nonalcoholic fatty liver disease is becoming the most common chronic liver disease in Western countries, and limited therapeutic options are available. Here we uncovered a role for intestinal hypoxia-inducible factor (HIF) in hepatic steatosis. Human-intestine biopsies from individuals with or without obesity revealed that intestinal HIF-2α signaling was positively correlated with body-mass index and hepatic toxicity. The causality of this correlation was verified in mice with an intestine-specific disruption of Hif2a, in which high-fat-diet-induced hepatic steatosis and obesity were substantially lower as compared to control mice...
October 9, 2017: Nature Medicine
https://www.readbyqxmd.com/read/29035118/clinical-gene-therapy-for-neurodegenerative-diseases-past-present-and-future
#9
Françoise Piguet, Sandro Alves, Nathalie Cartier
Clinical gene therapy has made important advances over the last decade. Among neurological diseases, severe genetic neurodegenerative conditions have been the focus of initial clinical applications. Gene therapy has also addressed complex neurodegenerative diseases, particularly Parkinson's disease, with encouraging results in human patients, demonstrating that specific targeting of central nervous system (CNS) cells is a relevant strategy for severe pathologies and that efficient access to the CNS with viral vectors is an achievable goal...
November 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/29035115/twenty-five-years-of-gene-therapy-prof-george-dickson-on-past-progress-and-future-promise
#10
Hildegard Büning
No abstract text is available yet for this article.
November 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/29035114/gene-therapy-from-birth-to-maturity-requires-commitment-to-science-and-ethics
#11
Alain Fischer
No abstract text is available yet for this article.
November 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/29035113/european-society-of-gene-and-cell-therapy-esgct-at-25-a-gene-therapy-community-at-its-prime-and-on-the-move
#12
Terence R Flotte
No abstract text is available yet for this article.
November 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/29035112/celebrating-25-years-of-the-european-society-of-gene-and-cell-therapy
#13
Robin R Ali, Hildegard Büning
No abstract text is available yet for this article.
November 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/29035086/notch-signaling-is-essential-for-maturation-self-renewal-and-tri-differentiation-of-in-vitro-derived-human-neural-stem-cells
#14
Katari Venkatesh, L Vinod Kumar Reddy, Salar Abbas, Madhubanti Mullick, Erfath Thanjeem Begum Moghal, Janardhana Papayya Balakrishna, Dwaipayan Sen
Although neural stem cells (NSCs) have potential applications in treating neurological disorders, much still needs to be understood about the differentiation biology for their successful clinical translation. In this study, we aimed at deriving NSCs from human umbilical cord blood-derived mesenchymal stem cells (hUCB-MSCs) and explored the role of Notch signaling in the differentiation process. The hUCB-MSCs were characterized as per guidelines of the International Society of Cellular Therapy. NSCs were successfully generated from hUCB-MSCs by using epidermal and fibroblast growth factors under serum-free conditions...
October 16, 2017: Cellular Reprogramming
https://www.readbyqxmd.com/read/29034935/hedgehog-mesenchyme-gene-signature-identifies-bi-modal-prognosis-in-luminal-and-basal-breast-cancer-sub-types
#15
Wandaliz Torres-García, Maribella Domenech
Hedgehog signaling (Hh) has been shown to be hyper-activated in several cancers. However, active Hh signaling can promote or inhibit tumor growth; thus identification of markers beyond main canonical Hh target genes is needed to improve patient selection and clinical outcome in response to Hh inhibitors. Cancer-associated fibroblasts (CAFs) have been linked with tumor progression and beneficial response to Hh inhibitors. Thus, we hypothesized that genes associated with Hh-activated CAFs can be used for stratification of tumors that will benefit from Hh inhibitors...
October 16, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/29034844/microrna-cancer-and-diet-facts-and-new-exciting-perspectives
#16
Maria Letizia Motti, Stefania D'Angelo, Rosaria Meccariello
BACKGROUND: MicroRNAs (miRNAs) are small non-coding RNAs able to regulate gene expression at multiple levels. They are detected in tissues, blood, and other body fluids with high stability and have a recognized role in the maintaining of tissue homeostasis. Aberrant expression profile of miRNAs has been observed in several diseases, primarily cancer. As a consequence, the analysis of miRNA signature has recognized diagnostic and prognostic role in human diseases, and the development of miRNA-based therapies is currently under investigation...
October 13, 2017: Current Molecular Pharmacology
https://www.readbyqxmd.com/read/29034834/challenges-and-advances-in-gene-therapy-approaches-for-neurodegenerative-disorders
#17
Aneesh Donde, Philip C Wong, Liam L Chen
INTRODUCTION: The recent approval of Spinraza (nusinersen), an antisense oligonucleotide, by U.S. Food and Drug Administration to treat patients with spinal muscular atrophy, has reignited interests of researchers in designing and testing new gene therapy approaches to treat neurological disorders, in particular, to curb neurodegenerative diseases of the central nervous system which represent an everincreasing public health burden to today's society. CONCLUSION: This review highlights several key factors to be taken into consideration to design successful preclinical and clinical gene therapy experiments with respect to the vehicle of delivery and the route of administration to CNS-specific targets, with an additional focus on antisense oligonucleotide therapy and recent clinical trial developments...
October 13, 2017: Current Gene Therapy
https://www.readbyqxmd.com/read/29034501/influence-of-dental-materials-on-cells-of-the-equine-periodontium
#18
H Ringeisen, A Pöschke, B Krähling, C Schröck, M Stoll, J Vogelsberg, K Failing, C Staszyk
BACKGROUND: Therapy for equine periodontal disease can include filling of the periodontal pockets and widened interproximal spaces. Recommended dental materials are generally adopted from human dentistry. OBJECTIVES: To evaluate the biocompatibility of dental materials for equine periodontal fillings in vitro. STUDY DESIGN: In vitro experiments. METHODS: Four different dental materials (PeriCare(®) , Provicol(®) , Calxyl(®) and Honigum) were tested on equine periodontal fibroblasts...
October 16, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/29034396/defined-ph-sensitive-nanogels-as-gene-delivery-platform-for-sirna-mediated-in-vitro-gene-silencing
#19
Mathias Dimde, Falko Neumann, Felix Reisbeck, Svenja Ehrmann, Jose Luis Cuellar-Camacho, Dirk Steinhilber, Nan Ma, Rainer Haag
In the present study, a pH sensitive nanogel platform for gene delivery was developed. The cationic nanogels based on dendritic polyglycerol (dPG) and low molecular weight polyethylenimine units were able to encapsulate siRNA during the manufacturing process. The thiol-Michael nanoprecipitation method, which operates under mild conditions and did not require any catalyst or surfactant, was used to develop tailor-made nanogels in the sub-100 nm range. The incorporation of pH sensitive benzacetal-bonds inside the nanogel network enables the controlled intracellular release of the cargo...
October 16, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/29034262/detection-of-replication-competent-lentivirus-using-a-qpcr-assay-for-vsv-g
#20
Lindsey M Skrdlant, Randall J Armstrong, Brett M Keidaisch, Mario F Lorente, David L DiGiusto
Lentiviral vectors are a common tool used to introduce new and corrected genes into cell therapy products for treatment of human diseases. Although lentiviral vectors are ideal for delivery and stable integration of genes of interest into the host cell genome, they potentially pose risks to human health, such as integration-mediated transformation and generation of a replication competent lentivirus (RCL) capable of infecting non-target cells. In consideration of the latter risk, all cell-based products modified by lentiviral vectors and intended for patient use must be tested for RCL prior to treatment of the patient...
March 16, 2018: Molecular Therapy. Methods & Clinical Development
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