Articles tagged with Targeted Genome Editing
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Scientists at the Salk Institute have discovered a new mode of epigenetic targeting in plant cells, where specific DNA sequences guide DNA methylation patterns. This finding has major implications for understanding epigenetic regulation and could inform future strategies for epigenetic engineering.
The CityUHK team is developing two core therapeutic medicines using state-of-the-art DNA surgery technology to treat liver and cardiovascular genetic diseases. Their approach offers a durable and long-lasting solution, eliminating the need for repeated medications.
Researchers developed a novel genome editing approach called 'append editing' by mimicking the natural bacterial defense system against viruses. This method enables precise genetic modifications in bacteria, plants, and human cells with high accuracy and minimal disruption.
Researchers from Mass General Brigham developed a bespoke CRISPR-Cas9 gene-editing enzyme to correct the genetic error causing multisystemic smooth muscle dysfunction syndrome, a rare condition associated with stroke and death in childhood. The therapy extended survival four-fold in mouse models of MSMDS.
A team of scientists proposes using gene editing to restore lost genetic diversity in endangered species, enabling them to adapt to future environmental changes. The approach could complement traditional conservation methods and attract new investors and expertise.
Researchers at Cold Spring Harbor Laboratory have discovered that cryptic mutations in tomato genes can increase or decrease the number of reproductive branches on plants. This finding has implications for agriculture and medicine, potentially leading to better crops and more effective medicines.
A team of researchers from The University of Osaka has made a breakthrough in weight loss treatment by developing a one-time genome editing approach that introduces a GLP-1 receptor agonist gene. This innovative method enables the body to produce its own weight-loss medication, reducing the need for regular injections.
A Kobe University team developed a DNA base editing technology that enables precise control over microorganism genetic content without using template DNA from other organisms. They successfully applied this technique to industrially important Lactobacillus strains, creating safer probiotics for people with type 2 diabetes.
Mass General Brigham researchers developed a machine learning algorithm, PAMmla, to predict properties of genome editing enzymes. The approach helps reduce off-target effects and improves editing safety and efficiency, enabling customized enzymes for new therapeutic targets.
ENVLPE addresses limitations of previous gene editing delivery systems by hijacking intracellular transport mechanisms to ensure efficient packaging and protection of gene editors. The system was tested in a mouse model of inherited blindness, achieving astounding restoration of vision, and has potential for cancer therapy advancements
Researchers at KAIST discovered that DDX54 is the master regulator hindering immunotherapy's effectiveness in lung cancer. Supressing DDX54 enhances immune cell infiltration into tumors and improves immunotherapy efficacy.
Scientists at CSHL and global collaborators have sequenced complete genomes for the Solanum genus, including tomatoes, potatoes, and eggplants. The study reveals the importance of understanding paralog genes in predicting genome editing outcomes.
A new gene editing tool called SPLICER has been applied to reduce the formation of amyloid-beta plaque precursors in a mouse model of Alzheimer's disease. The application shows improved efficiency over current standard gene editing technology and potential for application in other diseases.
Researchers developed a compact 'gene scissor' tool, TnpB, which shows a 4.4-fold increase in efficiency of modifying DNA, making it more effective as a gene editing tool. The tool can be used to treat patients with familial hypercholesterolemia, reducing cholesterol levels by nearly 80%.
Researchers at Osaka Metropolitan University used CRISPR/Cas9 to create a strain of Euglena that produces wax esters with shorter carbon chains, improving their cold flow and suitability as a biofuel feedstock. This breakthrough could potentially replace petroleum-based production of wax esters with biological sources.
Researchers at Gladstone Institutes have developed a streamlined way to engineer bacteriophages, viruses that naturally kill bacteria. The new technique uses retrons to edit phage genomes, allowing for the creation of numerous variants and paving the way for alternative treatments for antibiotic-resistant infections.
Experts propose a series of scientific principles and experimental approaches to assess potential carcinogenicity of gene therapies. Data transparency is crucial, with publicly accessible data from viral integrations site studies and clinical settings.
Researchers at the University of Sydney have developed SeekRNA, a programmable tool that can precisely target and relocate genetic sequences with high accuracy and flexibility. This breakthrough technology surpasses current limitations of CRISPR, enabling more precise editing and reducing errors.
Targeted genome editing tools have revolutionized crop breeding methods, significantly improving breeding efficiency and precision. The latest advances in base editing, prime editing, and precise manipulation tools are expected to become critical foundational technologies for future crop research and breeding applications.
Researchers identified a small RNA-binding protein called La that promotes gene editing with high efficiency. The team created a new protein, PE7, which harnesses La's activity to enhance prime editing, leaving unwanted byproducts at low frequencies.
Researchers at Tokyo Medical and Dental University have developed a novel method for coating engineered messenger RNA molecules with polyethylene glycol (PEG), allowing selective delivery to the spleen. This breakthrough enables fine-tuned control over mRNA therapy, facilitating effective treatment of diseases previously considered inc...
Kobe University researchers develop a bacterial plastic factory that produces highly transparent, biodegradable plastics with improved properties. By blending polylactic acid with ultra-high molecular weight LAHB, they create a material that exhibits all the desired properties.
Scientists have created a new generation of prime editors based on the Cas12a protein and circular RNAs, expanding the scope of precision genome editing. The new editors show high editing efficiencies and low off-target effects, paving the way for diverse applications in biological research, disease treatment, and crop breeding.
Researchers at Tokyo Medical and Dental University develop a genome-editing technique that decreases PMP22 protein levels in patient cells, potentially reversing CMT-related changes. The study aims to improve myelination abilities and reduce symptoms in patients with CMT type 1A.
Researchers at Osaka University have developed a new gene editing technique called NICER, which significantly reduces off-target mutations compared to traditional CRISPR/Cas9 methods. This novel approach uses multiple small cuts in DNA strands and promotes interhomolog homologous recombination to correct heterozygous mutations.
A new study from Aarhus University has found that applying AI predictions of protein structures enhances the CRISPR technology, making the cuts in a patient's DNA more precise. This discovery may lead to better treatments for patients with genetic disorders and potentially develop cures for various genetic diseases.
Researchers develop PrimeRoot, a tool for efficient and precise targeted insertion of large DNA segments in plants, achieving efficiencies up to 6% and inserting segments up to 11.1 kb.
Researchers developed an optimized genome-editing method that vastly reduces mutations, enabling more effective treatment of genetic diseases. The new technique uses a 'safeguard gRNA' to control DNA cleavage, reducing off-target effects and cytotoxicity.
Researchers developed an AI algorithm to predict prime editing efficiency and accuracy, enabling faster and more precise genome editing. By analyzing a large data set of over 100,000 pegRNAs, the tool identifies key properties influencing prime editing success.
Researchers from Heidelberg University have developed a new 'VIP admission ticket' that enables efficient delivery of enzymes to the nucleus, enhancing the efficiency of CRISPR/Cas9 and related methods. This breakthrough opens up new areas for genetic screening and potentially therapeutic applications.
Researchers at Massachusetts General Hospital created a new class of technologies called CRISPR-associated transposases (CASTs) to overcome diverse disease-causing mutations. The optimized approach improves product purity and genome-wide specificity, offering a potential solution for inserting entire genes into the genome.
Researchers at Rice University have developed a multiplex base-editing platform that significantly improves the pace of new drug discovery by inducing fungi to produce more bioactive compounds. The technique has been deployed as a tool for mining fungal genomes for medically useful compounds, reducing research timeline by over 80%.
Researchers developed an engineered Cas13 system that detects SARS-CoV-2 in biological samples with high sensitivity and speed. The new platform outperforms traditional PCR testing, finding 10 out of 11 positives and no false positives in clinical samples.
A new genome-editing strategy called DAP array can correct dozens of errors at the same time with high precision and efficiency, avoiding off-target edits. The technique leverages tRNA to drive multiple guide RNAs on a single array, then released individually by cells to direct genome editors for edits at multiple human genomic sites.
Researchers have identified a cork-like substance called suberin that helps protect rice roots from floods and drought. By understanding how suberin is produced, they hope to use gene editing or selective breeding to make the crop more resilient to climate change.
Scientists have developed a new approach to expand the target range of CRISPR/Cas systems, allowing for slight variations in target DNA while maintaining local specificity. This technology could help realize the potential of CRISPR/Cas-based gene therapy and pathogen diagnosis, particularly for diagnostics.
A team of scientists led by Karine Le Roch has identified two proteins, RAP01 and RAP21, crucial to the malaria parasite's survival. Knocking down these proteins can interrupt protein translation in the mitochondria, leading to the parasite's death.
Scientists at the University of Texas at Austin have redesigned a key component of the widely used CRISPR-based gene-editing tool Cas9 to be thousands of times less likely to target the wrong stretch of DNA. The new version, called SuperFi-Cas9, is as efficient as the original but reduces off-target interactions, making it potentially ...
Scientists have developed a novel CRISPR-Cas3 editor from the bacteria Neisseria lactamica that improves editing efficiency and is more easily produced. The tool enables 50% editing efficiency in stem cells and 95% efficiency in other human cell lines, paving the way for research in genetic diseases and developmental biology.
Researchers at the University of Oregon used CRISPR-Cas9 gene editing to target a specific mutation causing Fuchs' corneal dystrophy, preserving endothelial cell density and function. The study lays the groundwork for future research on using this technique to treat genetic disorders in post-mitotic cells.
Researchers developed a novel software tool to quantify potential CRISPR-induced errors, including adverse translocation events that can cause cancer. The tool, CRISPECTOR, analyzes next-generation sequencing data and applies statistical modeling to determine editing activity.
Researchers found that prime editors have extremely low off-target effects in plant cells, with editing rates of 0.00%~0.23%. The study suggests designing pegRNAs to minimize off-target sites and eliminates concerns about nonspecific effects from M-MLV RT.
The University of Maryland has discovered six new variants of CRISPR-Cas12a that can edit multiple sites in the genome simultaneously, enabling more efficient gene editing in plants. This breakthrough has major implications for precision breeding and increasing crop yields to feed a growing global population.
A new hypercompact CRISPR enzyme, CasΦ, has been discovered in huge bacteriophages and provides a powerful tool for genome editing. It can target a wider range of genetic sequences than current CRISPR-Cas proteins, making it a promising alternative for cellular delivery.
Researchers have developed novel Cas9 variants that eliminate the need for a protospacer adjacent motif (PAM), allowing for genome-wide targeting with unprecedented accuracy. These variants, SpG and SpRY, can correct mutations in previously 'un-editable' regions of the genome, expanding the potential of CRISPR-Cas systems.
Researchers have developed a new CRISPR-Cas9 protein, SaCas9-HF, to increase the precision of genome editing. The new variant shows high accuracy in targeting human cells without compromising on-target efficiency.
Researchers have developed a novel genome-editing technology, SATI, that can target a broad range of mutations and cell types in live organisms. This breakthrough could lead to treatments for genetic disorders such as Huntington's disease and progeria by correcting faulty genes without replacing them.
A new CRISPR-Cas3 system allows for efficient genome editing in human cells, erasing long stretches of DNA from targeted sites. This technology holds promise for treating viral diseases such as herpes simplex and hepatitis B, which are major public health threats.
A new CMP-fusion strategy called CRISPR-chrom enhances CRISPR-Cas9 genome editing efficiency, especially at previously difficult-to-target sites. The approach demonstrates a substantial increase in CRISPR-Cas9 activity with no notable increase in off-target effects.
Researchers created Cas9-CPs and ProCas9s, which simplify genome editing and epigenetic modifications. These variants enable molecular sensing, tissue-specific genome editing, and potential application as a pathogen-sensing system.
Researchers have developed a new Cas9 enzyme that can target almost half of the genome's locations, significantly expanding its potential use. This could enable editing of many more disease-specific mutations, including those responsible for sickle cell anemia.
Researchers found that nucleosomes inhibit Cas9 binding and target DNA cleavage in yeast cells, but not zinc finger nucleases. Nucleosome position maps may improve genome-editing efficiency for certain applications.
Scientists successfully use ultrasound to propel gold nanowires carrying the Cas9-sgRNA complex across cell membranes, enabling targeted gene knockout. The system is simple and requires minimal payload, making it a promising therapeutic approach for cancer treatment.
Researchers have created a new genome editing tool that can directly repair common DNA point mutations. The 'base editor' works by converting adenine to guanine without cutting the double helix, with high efficiency and minimal byproducts.
A panel of experts discusses the potential risks and benefits of human genome editing for embryos, including cosmetic choices and long-term implications. They propose a balanced regulatory approach to oversee the technology.
A team of researchers has successfully developed a genome editing technique that induces target point mutation without cutting the DNA. This technique offers high-level editing operations with reduced cytotoxicity, making it suitable for gene therapy, disease research, and organism breeding.
A streamlined PITCh system enables efficient genome editing for inserting foreign DNA into targeted genomic loci. This method can aid rapid research progress in fields like drug screening and human disease modeling.
A Baylor College of Medicine team has reported the first successful genome surgery, changing how the human genome is folded inside the cell nucleus. By manipulating specific DNA motifs, the team was able to destroy, move, and create new loops in the genome.
A highly efficient CRISPR/Cas system has been developed for targeted long cassette insertion into the mouse genome, achieving efficiency of up to 50%. This breakthrough technology enables the creation of humanized mice for modeling genetic diseases and improving gene therapy safety.
A team of scientists, led by Harvard University's David Liu, has developed an engineered form of the genome-editing protein Cas9 that can be turned on with a small drug-like molecule. This approach achieves up to 25-fold higher specificity in genome editing than the standard form of Cas9.