Articles tagged with Gene Editing
A new approach to gene editing has been developed by scientists at UMass Medical School, allowing for the correction of microduplications associated with 143 different diseases. The strategy uses CRISPR/Cas9 and harnesses the homology-directed repair pathway to remove duplicated sequences and restore functional genes.
Researchers have developed a gene editing approach that corrects over 80% of patient cells, targeting the COL7A1 gene mutation responsible for recessive dystrophic epidermolysis bullosa. The technique shows promise for treating this rare disease with high efficiency and safety.
Purdue University researchers have developed a new gene editing technology that can modify DNA anywhere in the genome, potentially treating diseases like cancer and improving crop production. The new protein, Argonaute from Natronobacterium gregoryi, enables precise edits with increased accessibility
Researchers have developed a more precise gene-editing technique to reduce DNA breaks and prevent cancer in stem cells. This breakthrough could improve the safety of CRISPR treatments for inherited blood disorders.
Researchers at Duke University found that a single CRISPR treatment can safely correct genetic disease for over a year, despite immune responses. The study suggests approaches to address potential challenges and potentially deliver the therapy to infants or restrict Cas9 expression.
A research team has identified and overcome a barrier in CRISPR gene editing that may lay the foundation for sustained treatments using the technique. By increasing the quantity of 'flags' in CRISPR, they were able to extend the effectiveness of treatment from three months to 18 months in mice with Duchenne muscular dystrophy.
A new study published in Molecular Therapy Oncolytics found that combining chemotherapy with CRISPR-Cas9 can stop tumor growth and reduce existing tumor volume in both tissue culture and mouse models. The CRISPR application disables the NRF2 gene, which helps lung cancer tumors develop resistance to chemotherapies.
Researchers have developed a deeper understanding of the CRISPR-Cas12a mechanism, enabling fine-tuning of the gene-editing process. By mapping the molecular structure and sequence of events, scientists can optimize the technology to achieve desired effects while minimizing side effects.
A new machine learning predictive tool, FORECasT, enables scientists to predict the exact mutations resulting from CRISPR-Cas9 gene editing, saving time and resources. The tool was developed using a massive dataset of 40,000 DNA sequences and analysis of over 1 billion DNA sequences.
Scientists at Newcastle University have identified a gene editing method to stop kidney damage in patients with Joubert syndrome, a genetic condition causing brain and kidney issues. The 'exon-skipping' technique may lead to personalized therapies for inherited kidney diseases.
A new paper urges creation of a coordinating global body to assure neutral evaluation of gene editing's benefits and risks. The technologies have breathtaking promise but also profound concerns about unintended consequences, requiring careful review and inclusion of local communities.
Researchers have found that CRISPR-Cas9 generates a strong immune response in humans, with T cells reacting to the Cas9 protein in almost all healthy subjects. However, the study also highlights the need for new solutions to prevent dangerous immune reactions, particularly for genetic diseases requiring in vivo modifications.
UCSB researchers have developed a highly efficient genome editing method that offers complete spatiotemporal control, allowing users to target specific cells or regions within the cell. This approach enables precise and transient gene editing with minimal long-term effects on DNA.
New technology enhances CRISPR-Cas9 gene editing efficiency in mosquitoes, allowing for easier manipulation of gene expression in a wide range of species. This breakthrough enables control of vector-borne diseases, elimination of agricultural insect pests, and potentially gene therapy for human and animal health.
Researchers found that Cas12a is a more choosier enzyme than Cas9 due to its binding mechanism, making it less likely to edit the wrong part of the genome. This discovery could lead to improved gene editing in plants and animals with increased safety for human applications.
A majority of Americans support using gene editing to treat serious diseases in babies, but are less accepting of its use to boost intelligence or develop gene editing technology. The survey also found that people with high science knowledge and lower religious commitment tend to view gene editing more positively.
The publication demonstrates the company's technology induces efficient and precise in vivo gene editing using homologous recombination, a natural DNA correction pathway. This early academic research translated into a scalable process for genetic medicines development.
Researchers used a peptide nucleic acid-based gene editing technique to successfully cure a genetic condition in mice. The treatment corrected 6% of mutations and caused dramatic improvements in symptoms, suggesting a promising new approach for treating genetic disorders during early stages of development.
The CRISPR Journal announces its third issue with novel techniques for long DNA delivery, correction of recessive genetic defects using endogenous repair, base editing quantification software, leveling the CRISPR playing field through accessible plasmid repositories, and insights into CRISPR's future by Editor-in-Chief Rodolphe Barrangou
Researchers at the University of Bristol have developed a method to enhance red blood cell transfusion compatibility using CRISPR-Cas9 gene editing. By altering specific blood group genes, they can prevent immune reactions in patients with rare blood types or those requiring frequent transfusions.
Scientists at Christiana Care's Gene Editing Institute have developed a breakthrough CRISPR tool that can edit DNA in a test tube, allowing for precise genetic mutations to be replicated from human tumor samples. This technology has the potential to accelerate personalized cancer care by enabling rapid diagnosis and treatment.
The CRISPR Journal publishes new research on cell-free CRISPR systems, which enable the study of gene editing mechanisms in a defined manner. Additionally, a universal CRISPR activity model called TUSCAN has been developed to predict CRISPR-Cas9 activity and genome-wide screening tasks.
The CRISPR Journal has published new research on gene editing regulations, introducing potential global implications for food animal production. A bioinformatic pipeline, dubbed CRISPRdisco, has been developed to help researchers identify and characterize CRISPR repeats and genes encoding Cas nucleases.
The inaugural issue of The CRISPR Journal features a range of articles on CRISPR biology, technology, and genome editing. Research highlights include progress in treating genetic diseases, such as hereditary blindness and Batten disease, using CRISPR-Cas9 gene editing.
The CRISPR Journal debuts with original research papers on plant editing, gene drives, and therapeutic applications. Researchers make progress in targeting specific mutations for inherited diseases like retinitis pigmentosa.
A new study found that person-to-person genetic differences can impact the efficacy of gene editing technologies like CRISPR-Cas9. The researchers analyzed 7,444 whole-genome sequences and discovered that about 50% of guide RNAs could be affected by variants at their target sites.
Experts discuss the potential risks and benefits of gene editing, including its applications in human health, agriculture, and the environment. The discussion highlights the need for harmonized policies across national borders to address concerns about misuse and unintended consequences.
Researchers successfully corrected a heart condition-causing mutation in human embryos, paving the way for potential treatments and prevention of inherited diseases. The technique uses CRISPR-Cas9 to target specific genetic mutations, offering hope for improving IVF outcomes and curing certain diseases.
A team of UC researchers is using gene editing to develop a new method to control disease-spreading mosquitoes, focusing on the Aedes aegypti mosquito. The Safe Genes project aims to introduce genetic elements that rapidly spread throughout a population, reducing the mosquito population and preventing disease transmission.
Researchers have identified an anti-CRISPR protein that can block the Cas9 component of CRISPR-Cas9 from interacting with DNA, reducing off-target cuts. This protein, AcrIIA4, was found to inhibit CRISPR-Cas9's ability to cut target DNA while still allowing on-target editing.
Researchers discovered anti-CRISPR proteins that decrease off-target side effects by up to four-fold, acting as a kill switch to disable CRISPR-Cas9 after its job is done. Delivering CRISPR and then the protein reduces off-target effects in human cells.
Scientists used CRISPR/Cas9 gene editing to reverse Huntington's disease pathology and motor symptoms in a mouse model. The treatment delivered enzymes to brain cells, reducing toxic protein aggregates and improving motor abilities.
The CRISPR-Cpf1 gene editing system has been improved by incorporating a firefly gene, enabling the simultaneous targeting of multiple genes in human cells. This advance could be useful for treating diseases such as hepatitis B and muscular dystrophy.
Scientists have demonstrated the effectiveness of gene editing in rhesus monkey embryos, paving the way for new therapies and treatments. The breakthrough opens up possibilities for human disease research, including neurological and reproductive conditions.
Actress Kiruna Stamell argues that gene editing raises significant ethical concerns, threatening social inequality and the adaptation of diverse communities. Dr. Christopher Gyngell counters that well-regulated gene editing can improve human health by reducing fatal genetic diseases.
Researchers at IBS prove the accuracy of a gene editing method that substitutes one nucleotide in the genome, finding it more accurate than CRISPR-Cas9. The technique caused fewer off-target changes, indicating its potential for widespread use.
Researchers envision AAV as a platform for delivering novel tools for genetic manipulation, including CRISPR-Cas9 and RNA interference. The combination of tailored delivery vectors and new editing techniques will enable unique approaches to therapeutic gene expression.
Researchers propose using CRISPR technology to domesticate sustainable and nutritious crops like wild legumes, quinoa, and amaranth. This approach aims to create 'biologically inspired organisms' by deleting existing genes instead of introducing new ones.
Researchers successfully produced the first transgenic mice with a single nucleotide difference in the dystrophin and tyrosinase genes, demonstrating a new gene editing technique that can substitute one nucleotide into another without DNA deletion. This breakthrough could potentially lead to the correction of genetic defects in humans.
Genome editing enables precise genetic changes in livestock, boosting productivity and reducing greenhouse gas emissions. Researchers aim to apply this technology to improve animal welfare and potentially produce single-gender offspring.
The ethics of gene editing is being explored in a session at the AAAS annual meeting, examining concerns beyond safety, such as modifying the human germline, parental relationships, and respect for persons with disability. Experts will discuss new technologies and their social and ethical implications.
A 258-page report outlines principles and guidelines for human genome editing, emphasizing caution on germline editing and enhancement. The report also explores clinical applications, risks, and benefits of the technology.
Scientists have developed a method to observe gene editing in real-time, enabling the investigation of CRISPR-Cas9's biological processes and potential applications for treating genetic diseases such as sickle cell anemia and cystic fibrosis.
A team of researchers discovered that a specific mutation in the telomere protein TPP1 causes an incurable premature aging disease called dyskeratosis congenita. The mutation compromises telomerase function, leading to stem cell division slowdowns and tissue breakdown. This breakthrough provides a potential drug target for the disease.
Researchers developed a novel gene editing strategy to correct thalassemia mutations in mice, alleviating symptoms and normalizing hemoglobin levels. The technique, which uses nanoparticles and synthetic DNA, has the potential to treat people with inherited blood disorders like sickle cell anemia.
A new gene-editing system successfully cured a genetic blood disorder in living mice, offering a minimally invasive treatment for beta thalassemia and sickle cell disease. The technology significantly decreases unwanted gene mutations and uses FDA-approved nanoparticles to deliver PNA molecules.
Researchers at St. Jude Children's Research Hospital have found a way to use CRISPR gene editing to help fix sickle cell disease and beta-thalassemia in blood cells isolated from patients. The study provides proof-of-principle for a new approach to treat common blood disorders by genome editing.
Researchers outline recent progress in clinical applications of retinal gene replacement therapy and preclinical advances in gene-specific therapy for photoreceptor diseases. Gene therapy strategies are being developed to treat a broader range of disorders affecting vision, providing new hope for individuals with eye diseases.
Promising results from clinical trials of globin gene transfer have eliminated the need for blood transfusions in some individuals with beta-thalassemias. Gene editing technologies hold promise to correct beta-globin deficiencies and reactivate fetal hemoglobin production, potentially leading to a cure for severe globin disorders.
The Hastings Center has launched a three-year project to examine the fundamental questions of using gene editing in humans, including its impact on human flourishing and core values. The project aims to develop new scholarship, equips journalists, and prepares teachers to engage with these issues.
Researchers suggest using CRISPR-Cas9 technology to introduce a male sex determining gene into female mosquito embryos, potentially reducing disease transmission. The goal is to create sterile or fertile males that outcompete females in the wild.
Researchers have developed a CRISPR-Cas9 gene editing system to treat Duchenne muscular dystrophy (DMD), a debilitating genetic disease. By deleting exon 23 and restoring dystrophin protein levels, the therapy improved muscle function in mice with DMD, including cardiac and pulmonary health.
Scientists have created RNA-based drugs that can temporarily activate and inactivate the CRISPR/Cas9 gene editing system, providing more precise control over gene expression. This breakthrough enables researchers to correct and inactivate genes with increased efficiency and potential selectivity.