PubMed Journals Articles About "Gene Editing Revolutionizing Medicine Causing Government Ethics Nightmare" RSS

23:00 EDT 18th September 2018 | BioPortfolio

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Showing "Gene Editing Revolutionizing Medicine Causing Government Ethics Nightmare" PubMed Articles 1–25 of 28,000+

Optimization of sand fly embryo microinjection for gene editing by CRISPR/Cas9.

Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR)/Cas9 technology has rapidly emerged as a very effective tool for gene editing. Although great advances on gene editing in the medical entomology field have arisen, no attempts of gene editing have been reported in sand flies, the vectors of Leishmaniasis.

A CRISPR Approach for a Common Inherited Disease: Researchers at Duke University Hope Gene Editing Can Eliminate Mutations That Lead to Duchenne Muscular Dystrophy.

Gene editing and CRISPR (a group of repeated DNA sequences in bacteria) typically target disease-causing mutated genes by eliminating the bad gene altogether, by correcting the problem DNA to restore proper gene functioning, or by modifying a different gene to compensate for the faulty gene's lost function. One research group at Duke University in Durham, North Carolina, however, is using a different strategy to fight one of the most common inherited genetic diseases: Duchenne muscular dystrophy (DMD).

CRISPR-Cas9-mediated gene editing in human MPS I fibroblasts.

Mucopolysaccharidosis type I (MPS I) is a lysosomal storage disorder (LSD). It is caused by mutations in the IDUA gene, which lead to the accumulation of the glycosaminoglycans dermatan and heparan sulfate. The CRISPR-Cas9 system is a new and powerful tool that allows gene editing at precise points of the genome, resulting in gene correction through the introduction and genomic integration of a wildtype sequence. In this study, we used the CRISPR-Cas9 genome editing technology to correct in vitro the most c...

Comparison of the editing patterns and editing efficiencies of TALEN and CRISPR-Cas9 when targeting the human CCR5 gene.

The human C-C chemokine receptor type-5 (CCR5) is the major transmembrane co-receptor that mediates HIV-1 entry into target CD4+ cells. Gene therapy to knock-out the CCR5 gene has shown encouraging results in providing a functional cure for HIV-1 infection. In gene therapy strategies, the initial region of the CCR5 gene is a hotspot for producing functional gene knock-out. Such target gene editing can be done using programmable endonucleases such as transcription activator-like effector nucleases (TALEN) or...

In vitro-transcribed guide RNAs trigger an innate immune response via the RIG-I pathway.

Clustered, regularly interspaced, short palindromic repeat (CRISPR)-CRISPR-associated 9 (Cas9) genome editing is revolutionizing fundamental research and has great potential for the treatment of many diseases. While editing of immortalized cell lines has become relatively easy, editing of therapeutically relevant primary cells and tissues can remain challenging. One recent advancement is the delivery of a Cas9 protein and an in vitro-transcribed (IVT) guide RNA (gRNA) as a precomplexed ribonucleoprotein (RN...

Targeted Gene Knock Out Using Nuclease-Assisted Vector Integration: Hemi- and Homozygous Deletion of JAG1.

Gene editing technologies are revolutionizing fields such as biomedicine and biotechnology by providing a simple means to manipulate the genetic makeup of essentially any organism. Gene editing tools function by introducing double-stranded breaks at targeted sites within the genome, which the host cells repair preferentially by Non-Homologous End Joining. While the technologies to introduce double-stranded breaks have been extensively optimized, this progress has not been matched by the development of metho...

Family Medicine Ethics: An Integrative Approach.

The practice of modern medical ethics is largely acute, episodic, fragmented, problem-focused, and institution-centered. Family medicine, in contrast, is built upon a relationship-based model of care that is accessible, comprehensive, continuous, contextual, community-focused and patient-centered. "Doing ethics" in the day-to-day practice of family medicine is therefore different from doing ethics in many other fields of medicine, emphasizing different strengths and exemplifying different values. For family...

Unleashing the Therapeutic Potential of CAR-T Cell Therapy Using Gene-Editing Technologies.

Chimeric antigen receptor (CAR) T-cell therapy, an emerging immunotherapy, has demonstrated promising clinical results in hematological malignancies including B-cell malignancies. However, accessibility to this transformative medicine is highly limited due to the complex process of manufacturing, limited options for target antigens, and insufficient anti-tumor responses against solid tumors. Advances in gene-editing technologies, such as the development of Zinc Finger Nucleases (ZFNs), Transcription Activat...

Sleep spindles are altered in early- but not late-onset nightmare recallers.

Nightmares are a common sleep disorder, defined as highly disturbing mentation which usually awakens the individual from rapid eye movement (REM) sleep. While nightmares are mainly a REM sleep phenomenon, Picard-Deland et al., (2017) recently showed an association between nightmare recall and sleep spindles, which are a non-rapid eye movement (NREM) oscillatory feature. Their results pointed to fewer slow spindles and a higher oscillatory frequency for fast spindles among frequent nightmare recallers compa...

65 YEARS OF THE DOUBLE HELIX: The advancements of gene editing and potential application to hereditary cancer.

Hereditary cancer predisposition syndromes are associated with germline mutations that lead to increased vulnerability for an individual to develop cancers. Such germline mutations in tumour suppressor genes, oncogenes and genes encoding for proteins essential in DNA repair pathways and cell cycle control can cause overall chromosomal instability in the genome and increase risk in developing cancers. Gene correction of these germline mutations to restore normal protein functions is anticipated as a new ther...

Finding a Treatment for ALS - Will Gene Editing Cut It?

Extension of the crRNA enhances Cpf1 gene editing in vitro and in vivo.

Engineering of the Cpf1 crRNA has the potential to enhance its gene editing efficiency and non-viral delivery to cells. Here, we demonstrate that extending the length of its crRNA at the 5' end can enhance the gene editing efficiency of Cpf1 both in cells and in vivo. Extending the 5' end of the crRNA enhances the gene editing efficiency of the Cpf1 RNP to induce non-homologous end-joining and homology-directed repair using electroporation in cells. Additionally, chemical modifications on the extended 5' en...

Gene Editing and Gene-Based Therapeutics for Cardiomyopathies.

With an increasing understanding of genetic defects leading to cardiomyopathy, focus is shifting to correcting these underlying genetic defects. One approach involves treating mutant RNA through antisense oligonucleotides; the first drug has received regulatory approval to treat specific mutations associated with Duchenne muscular dystrophy. Gene editing is being evaluated in the preclinical setting. For inherited cardiomyopathies, genetic correction strategies require tight specificity for the mutant allel...

The application of CRISPR-Cas9 genome editing tool in cancer immunotherapy.

Clustered regularly interspaced short palindromic repeats (CRISPR)-associated protein 9 (CRISPR-Cas9) system was originally discovered in prokaryotes functioned as a part of the adaptive immune system. Because of its high efficiency and easy operability, CRISPR-Cas9 system has been developed to be a powerful and versatile gene editing tool shortly after its discovery. Given that multiple genetic alterations are the main factors that drive genesis and development of tumor, CRISPR-Cas9 system has been applied...

Threats to bioethical principles in medical practice in Brazil: new medical ethics code period.

We aimed to outline the profile of medical professionals in Brazil who have violated the deontological norms set forth in the ethics code of the profession, and whose cases were judged by the higher tribunal for medical ethics between 2010 and 2016. This survey was conducted using a database formed from professional ethics cases extracted from the plenary of the medical ethics tribunal of the Federal Council of Medicine. These were disciplinary ethics cases that were judged at appeal level between 2010 and ...

Cytogenetic Analysis of the Results of Genome Editing on the Cell Model of Parkinson's Disease.

We performed a cytogenetic analysis of the results of CRISPR/Cas9-correction of G2019S mutation in LRRK2 gene associated with Parkinson's disease. Genome editing was performed on induced pluripotent stem cells derived from fibroblasts of a patient carrying this mutation. A mosaic variant of tetraploidy 92 XXYY/46,XY (24-43% cells from various clones) was found in neuronal precursors differentiated from the induced pluripotent stem cells after gene editing procedure. Solitary cases of translocations and chro...

Epigenetic editing: How cutting-edge targeted epigenetic modification might provide novel avenues for autoimmune disease therapy.

Autoimmune diseases are enigmatic and complex, and most been associated with epigenetic changes. Epigenetics describes changes in gene expression related to environmental influences mediated by a variety of effectors that alter the three-dimensional structure of chromatin and facilitate transcription factor or repressor binding. Recent years have witnessed a dramatic change and acceleration in epigenetic editing approaches, spurred on by the discovery and later development of the CRISPR/Cas9 system as a hig...

Epigenome Editing Enters the Arena: A New Tool to Reveal (and Reverse?) Pathologic Gene Regulation.

CRISPR/Cas: technique to repair DNA errors: is a clinical breakthrough near?

CRISPR/Cas gene editing makes it much easier to make targeted changes in the DNA of human cells than other forms of gene therapy. This revolutionary technology offers spectacular opportunities to study gene functions; the clinical consequences of gene variations in patients can be determined much faster. The efficacy and accuracy of CRISPR/Cas is so impressive that a breakthrough to therapeutic applications is approaching fast. CRISPR/Cas is already being used in immunotherapy against cancer, and trials for...

Adherence to Principles of Medical Ethics Among Physicians in Mazandaran Province, Iran.

Considering that medical ethics is an applied subject providing systematic solutions to help physicians with moral issues, this research aimed to evaluate adherence to the principles of medical ethics among physicians on the basis of attitude of physicians of Mazandaran province.

On the necessity of philosophy in medical education.

Today, the study and practice of medicine are treated with a natural scientific approach. However, medical action has its foundations not only in the natural sciences and technology, but also in ethics, humanity and philosophy. The Wuerzburg Philosophicum teaches, apart from medical ethics, a systematic analysis of a theory of medicine in the context of other sciences, the theory of knowledge, anthropology and hermeneutics.

Progress in the application of CRISPR: From gene to base editing.

The system of clustered regularly interspaced short palindromic repeats (CRISPR) and CRISPR-associated endonucleases (Cas) has been utilized for genome editing with great accuracy and high efficiency in generating gene knockout, knockin, and point mutations in eukaryotic genomes. However, traditional CRISPR/Cas9 technology introduces double-stranded DNA breaks (DSBs) at a target locus as the first step to make gene corrections, which easily results in undesired mutations. Thus, it is necessary to develop n...

A common polymorphism in the SCN5A gene is associated with dilated cardiomyopathy.

SCN5A is a disease-causing gene associated with familial dilated cardiomyopathy (FDC). We examined the possible association between a common polymorphism in the SCN5A gene (c.1673A>G-p.H558R; rs1805124) and the risk of dilated cardiomyopathy (DCM) occurrence.

Effective PEI-mediated delivery of CRISPR-Cas9 complex for targeted gene therapy.

The-state-of-art CRISPR/Cas9 is one of the most powerful among the approaches being developed to rescue fundamental causes of gene-based inheritable diseases. Several strategies for delivering such genome editing materials have been developed, but the safety, efficacy over time, cost of production, and gene size limitations are still under debate and must be addressed to further improve applications. In this study, we evaluated branched forms of the polyethylenimine (PEI)-branched PEI 25 kDa (BPEI-25K)-and ...

CRISPR-Cas9; an efficient tool for precise plant genome editing.

Efficient plant genome editing is dependent upon induction of double stranded DNA breaks (DSBs) through site specified nucleases. These DSBs initiate the process of DNA repair which can either base upon homologous recombination (HR) or non-homologous end jointing (NHEJ). Recently, CRISPR-Cas9 mechanism got highlighted as revolutionizing genetic tool due to its simpler frame work along with the broad range of adaptability and applications. So, in this review, we have tried to sum up the application of this b...

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