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PubMed Journals Articles About "Clinical Trial Of L-Grb-2 Antisense Oligonucleotide In CML, AML, ALL & MDS" RSS

10:46 EST 13th November 2018 | BioPortfolio

Clinical Trial Of L-Grb-2 Antisense Oligonucleotide In CML, AML, ALL & MDS PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Clinical Trial Of L-Grb-2 Antisense Oligonucleotide In CML, AML, ALL & MDS articles that have been published worldwide.

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Showing "Clinical Trial Antisense Oligonucleotide" PubMed Articles 1–25 of 32,000+

NS-065/NCNP-01: An Antisense Oligonucleotide for Potential Treatment of Exon 53 Skipping in Duchenne Muscular Dystrophy.

Duchenne muscular dystrophy (DMD), the most common lethal heritable childhood disease, is caused by mutations in the DMD gene that result in the absence of functional dystrophin protein. Exon skipping mediated by antisense oligonucleotides has recently emerged as an effective approach for the restoration of dystrophin, and skipping of exon 51 of DMD has received accelerated approval. Identifying antisense sequences that can provide the highest possible skipping efficiency is crucial for future clinical appl...


Antisense oligonucleotides extend survival and reverse decrement in muscle response in ALS models.

Mutations in superoxide dismutase 1 (SOD1) are responsible for 20% of familial ALS. Given the gain of toxic function in this dominantly inherited disease, lowering SOD1 mRNA and protein is predicted to provide therapeutic benefit. An early generation antisense oligonucleotide (ASO) targeting SOD1 was identified and tested in a phase I human clinical trial, based on modest protection in animal models of SOD1 ALS. Although the clinical trial provided encouraging safety data, the drug was not advanced because ...

Knockdown of Smad7 With a Specific Antisense Oligonucleotide Attenuates Colitis and Colitis-Driven Colonic Fibrosis in Mice.

In Crohn's disease (CD), the pathogenic immune response is associated with high Smad7, an inhibitor of TGF-β1 signaling. Smad7 knockdown with Mongersen, a specific antisense oligonucleotide-containing compound, restores TGF-β1 activity leading to inhibition of inflammatory signals and associates with clinical benefit in CD patients. As TGF-β1 is pro-fibrogenic, it remains unclear whether Mongersen-induced Smad7 inhibition increases the risk of intestinal fibrosis. We assessed the impact of Smad7 inhibiti...


Angubindin-1 opens the blood-brain barrier in vivo for delivery of antisense oligonucleotide to the central nervous system.

Within the field of RNA therapeutics, antisense oligonucleotide-based therapeutics are a potentially powerful means of treating intractable diseases. However, if these therapeutics are used for the treatment of neurological disorders, safe yet efficient methods of delivering antisense oligonucleotides across the blood-brain barrier to the central nervous system must be developed. Here, we examined the use of angubindin-1, a binder to the tricellular tight junction, to modulate paracellular transport between...

Application of 2'-O-(2-N-Methylcarbamoylethyl) Nucleotides in RNase H-Dependent Antisense Oligonucleotides.

An RNase H-dependent antisense oligonucleotide (ASO), having the 2'-O-(2-N-methylcarbamoylethyl) (MCE) modification, was evaluated in vitro and in vivo. The antisense activities of an ASO having the MCE modification were comparable with those of an ASO having the 2'-O-methoxyethyl (MOE) modification in both in vitro and in vivo experiments. In contrast, the hepatotoxic potential of the ASO having the MCE modification was lower than that of the ASO having the MOE modification. Thus, these findings suggested ...

Nusinersen in the Treatment of Spinal Muscular Atrophy.

Spinal muscular atrophy (SMA) is one of the most common genetic causes of infantile death arising due to mutations in the SMN1 gene and the subsequent loss of motor neurons. With the discovery of the intronic splicing silencer N1 (ISS-N1) as a potential target for antisense therapy, several antisense oligonucleotides (ASOs) are being developed to include exon 7 in the final mRNA transcript of the SMN2 gene and thereby increasing the production of spinal motor neuron (SMN) proteins. Nusinersen (spinraza), a ...

Dose-Dependent Lowering of Mutant Huntingtin Using Antisense Oligonucleotides in Huntington Disease Patients.

On December 11 of 2017, Ionis Pharmaceuticals published a press release announcing dose-dependent reductions of mutant huntingtin protein in their HTTRx Phase 1/2a study in Huntington disease (HD) patients. The results from this Ionis trial have gained much attention from the patient community and the oligonucleotide therapeutics field, since it is the first trial targeting the cause of HD, namely the mutant huntingtin protein, using antisense oligonucleotides (ASOs). The press release also states that the ...

Antisense Oligonucleotide Design and Evaluation of Splice-Modulating Properties Using Cell-Based Assays.

Antisense oligonucleotide (AON)-based splice modulation has been proven to hold great promise as a therapeutic strategy for a number of hereditary conditions. AONs are small modified single-stranded RNA or DNA molecules that are complementary to splice enhancer or silencer target sites. Upon pre-mRNA binding, AONs will prevent or stimulate binding of the spliceosome thereby modulating splicing events. AONs can be designed and applied for different genes and genetic disorders as the specificity depends on th...

Chronic Toxicity Assessment of 2'-O-Methoxyethyl Antisense Oligonucleotides in Mice.

Advances in antisense oligonucleotide (ASO) chemistry and screening have enabled the design and selection of molecules that are optimized for a particular therapeutic application in terms of both potency and tolerability. The most-well studied of the chemically modified ASOs are single-stranded antisense inhibitors with phosphorothioate backbones and 2'-O-methoxyethyl modifications (2'-MOE ASO). The 2'-MOE chemical modification in the design of the ASO has conferred increased hybridization affinity, increas...

Antisense STAT3 inhibitor decreases viability of myelodysplastic and leukemic stem cells.

Acute Myeloid Leukemia and Myelodysplastic Syndromes are associated with disease-initiating stem cells that are not eliminated by conventional therapies. Transcriptomic analysis of stem and progenitor populations in MDS and AML demonstrated overexpression of STAT3 that was validated in an independent cohort. STAT3 overexpression was predictive of a shorter survival and worse clinical features in a large MDS cohort. High STAT3 expression signature in MDS CD34+ cells was similar to known pre-leukemic gene sig...

Oligonucleotide therapy mitigates disease in Spinocerebellar Ataxia Type 3 mice.

Spinocerebellar ataxia type 3 (SCA3), also known as Machado-Joseph disease, is the most common dominantly inherited ataxia. Despite advances in understanding this CAG repeat/polyglutamine expansion disease, there are still no therapies to alter its progressive fatal course. Here we investigate whether an antisense oligonucleotide (ASO) targeting the SCA3 disease gene, ATXN3, can prevent molecular, neuropathological, electrophysiological and behavioral features of the disease in a mouse model of SCA3.

Antisense RNA: the new favorite in genetic research.

Antisense RNA molecule represents a unique type of DNA transcript that comprises 19-23 nucleotides and is complementary to mRNA. Antisense RNAs play the crucial role in regulating gene expression at multiple levels, such as at replication, transcription, and translation. In addition, artificial antisense RNAs can effectively regulate the expression of related genes in host cells. With the development of antisense RNA, investigating the functions of antisense RNAs has emerged as a hot research field. This re...

Anti-CTGF Oligonucleotide Reduces Severity of Postsurgical Hypertrophic Scars in a Randomized, Double-Blind, Within-Subject, Placebo-Controlled Study.

Connective tissue growth factor (CTGF) levels are up-regulated in wounded skin and are thought to play a major role in scar formation. An antisense oligonucleotide targeting CTGF was evaluated in adult patients undergoing hypertrophic scar revision surgery, to determine effects on reducing the severity of subsequent scars.

A multicenter comparison of quantification methods for antisense oligonucleotide-induced DMD exon 51 skipping in Duchenne muscular dystrophy cell cultures.

Duchenne muscular dystrophy is a lethal disease caused by lack of dystrophin. Skipping of exons adjacent to out-of-frame deletions has proven to restore dystrophin expression in Duchenne patients. Exon 51 has been the most studied target in both preclinical and clinical settings and the availability of standardized procedures to quantify exon skipping would be advantageous for the evaluation of preclinical and clinical data.

Development of a detection method for antisense oligonucleotides in mouse kidneys by MALDI imaging mass spectrometry.

Oligonucleotide therapeutics have been recently gaining more attention, but its pharmacokinetic evaluation methods are still not sufficient, and in particular, more tools are needed to evaluate their tissue distribution and metabolites. We developed a matrix-assisted laser desorption/ionization imaging mass spectrometry (MALDI-IMS) based method to evaluate the tissue distribution of oligonucleotide therapeutics.

Antisense Oligonucleotide Targeting of 3'-UTR of mRNA for Expression Knockdown.

With the recent conditional approval of an antisense oligonucleotide (AON) that restores the reading frame of DMD transcript in a subset of Duchenne muscular dystrophy patients, it has been established that AONs sharing similar chemistry have clear clinical potential. Genetic diseases, such as facioscapulohumeral dystrophy (FSHD), can be the result of gain-of-function mutations. Since mRNA processing in terms of termination of transcription, its transport from the nucleus to the cytoplasm, its stability and...

Will My Child Do Better if She Enrolls in a Clinical Trial?

The question of whether children with cancer who enroll in clinical trials have superior outcomes compared with those who do not participate has been pursued for more than 4 decades, and recent studies have provided conflicting answers. Whether clinical trial participation influences outcome has important implications for how clinicians should present trial participation to patients and families. Methodological challenges limit generalizations about the impact of clinical trial participation on outcome comp...

Antisense transcription in Pseudomonas aeruginosa.

A large number of antisense transcripts have been detected in diverse microbial genomes and considerable effort has been devoted to elucidating the functional role of antisense transcription. In this study, we reanalysed extensive RNA sequencing data from the opportunistic pathogen Pseudomonas aeruginosa and found that the majority of genes have a propensity for antisense transcription. Although antisense transcripts were found in more than 80 % of the genes of the P. aeruginosa genome, the majority of se...

Oligonucleotide-Based Therapies for Inflammatory Bowel Disease.

The growing understanding of the immunopathogenesis of inflammatory bowel diseases (IBDs) has contributed to the identification of new targets whose expression/activity can be modulated for therapeutic purposes. Several approaches have been employed to develop selective pharmaceutical compounds; among these, antisense oligonucleotides (ASOs) or synthetic oligonucleotides represent a valid option for inhibiting or enhancing, respectively, the expression/function of molecules that have been implicated in the ...

Evaluation of the effect of 2'-O-methyl, fluoro hexitol, bicyclo and Morpholino nucleic acid modifications on potency of GalNAc conjugated antisense oligonucleotides in mice.

The potency of antisense oligonucleotide (ASO) drugs has significantly improved in the clinic after exploiting asialoglycoprotein receptor (ASGR) mediated delivery to hepatocytes. To further this technology, we evaluated the structure-activity relationships of oligonucleotide chemistry on in vivo potency of GalNAc-conjugated Gapmer ASOs. GalNAc conjugation improved potency of ASOs containing 2'-O-methyl (2'-O-Me), 3'-fluoro hexitol nucleic acid (FHNA), locked nucleic acid (LNA), and constrained ethyl bicycl...

The Assembly of Fluorescently Labeled Peptide-Oligonucleotide Conjugates via Orthogonal Ligation Strategies.

Efficient intracellular delivery is critical to the successful application of synthetic antisense oligonucleotides (ASOs) to modulate gene expression. The conjugation of cell-penetrating peptides (CPPs) to ASOs has been shown to significantly improve their intracellular delivery. It is important, however, that formation of the covalent linkage between the peptide and oligonucleotide is efficient and orthogonal, to ensure high yields and a homogeneous product. Described herein are efficient and facile method...

Utilization of a Clinical Trial Management System for the Whole Clinical Trial Process as an Integrated Database: System Development.

Clinical trials pose potential risks in both communications and management due to the various stakeholders involved when performing clinical trials. The academic medical center has a responsibility and obligation to conduct and manage clinical trials while maintaining a sufficiently high level of quality, therefore it is necessary to build an information technology system to support standardized clinical trial processes and comply with relevant regulations.

Studies of Impending Oligonucleotide Therapeutics in Simulated Biofluids.

Synthetic oligonucleotides, their complexes and conjugates with other biomolecules represent valuable research tools and therapeutic agents. In spite of growing applications in basic research and clinical science, only few studies have addressed the issue of such compounds' stability in biological media. Herein, we studied the stability of two therapeutically relevant oligonucleotide probes in simulated biofluids; the 21 nucleotide-long DNA/locked nucleic acid oligonucleotide ON targeted toward cancer-assoc...

Degradation product characterization of therapeutic oligonucleotides using liquid chromatography mass spectrometry.

Synthetic antisense phosphorothioate oligonucleotides (PS) have undergone rapid development as novel therapeutic agents. The increasing significance of this class of drugs requires significant investment in the development of quality control methods. The determination of the many degradation pathways of such complex molecules presents a significant challenge. However, an understanding of the potential impurities that may arise is necessary to continue to advance these powerful new therapeutics. In this stud...

Clinical trials in developing countries - ethical considerations.

When designing clinical trial or considering decision to take part in particular clinical trial as investigators, even before submission to responsible Central Ethic Committee, we always make certain private assessment about ethical justification of this clinical trial. When making assessment if any clinical trial is ethically justifiable, there should make no difference in which country this clinical trial will be executed. Physicians coming from developing countries must ensure that patient population of ...


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