Articles tagged with Crisprs
New gene editing regulations could hinder the use of CRISPR technology in food animals, potentially limiting disease resistance and beneficial traits. The FDA's proposal would impose drug-like regulatory scrutiny, but experts suggest alternative routes to approval that could accelerate benefits from conventional breeding.
Researchers have used CRISPR gene editing to introduce beneficial natural mutations into blood cells, boosting their production of foetal haemoglobin. This approach may lead to new therapies for sickle cell anaemia and thalassaemia by targeting precise changes in the genome.
Salk Institute scientists have developed a CRISPR-based tool called CasRx that targets RNA to correct protein imbalances in cells from dementia patients. The tool showed 80% effectiveness in rebalancing tau protein levels, opening up new avenues for treating RNA and protein-related diseases.
Researchers at Ohio State University have discovered a new CRISPR mechanism that can help prevent gene-editing errors. The discovery reveals how the Cas9 enzyme determines where and when to cut DNA strands, allowing for more precise control over 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.
Researchers have developed a CRISPR-based method, DETECTR, to detect viral DNA, including cancer-causing HPV types. The system uses a molecular flare gun to identify specific DNA targets, enabling fast and reliable medical tests with minimal equipment requirements.
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.
Researchers at the University of Michigan have discovered a new CRISPR-Cas9 protein, NmeCas9, that can edit both DNA and RNA with high precision. This breakthrough could lead to new therapeutic possibilities for diseases caused by genetic mutations in RNA.
Scientists developed a CRISPR gene-editing technique that can correct most DMD mutations by making a single cut at strategic points along the patient's DNA. The new strategy enhances genome editing accuracy and offers an efficient alternative to individualized molecular treatments.
Researchers at Gladstone Institutes have successfully created induced pluripotent stem cells using CRISPR technology, simplifying a key step in the process. This breakthrough offers new possibilities for treating currently incurable conditions and studying diseases.
Three companies - Crispr Therapeutics, Intellia Therapeutics, and Editas Medicine - are launching clinical trials using CRISPR to boost healthy hemoglobin levels in patients with blood diseases. Researchers are also conducting extensive computer predictions and in vitro tests to minimize the risk of accidents.
Researchers at Columbia University Irving Medical Center have developed a microscopic data recorder using CRISPR-Cas technology, allowing bacteria to monitor their surroundings and record temporal changes. The system has proven its ability to handle multiple signals and record for days.
A new nanomapping technology combines high-speed atomic force microscopy with a CRISPR-based chemical barcoding technique to map DNA nearly as accurately as DNA sequencing. The technology can process large sections of the genome at a much faster rate, using parts found in DVD players.
Researchers at UCR have developed transgenic mosquitoes stably expressing the Cas9 enzyme, enabling efficient genome editing to disrupt genes controlling vision, flight, and feeding. The long-term goal is to use these mosquitoes with gene drives to insert genes that suppress disease-spreading insects.
Researchers at MIT have created a new delivery system for the CRISPR genome-editing system, using nanoparticles to target and delete disease-causing genes. The technique achieved an 80% success rate in deleting the Pcsk9 gene, which regulates cholesterol levels, resulting in a 35% drop in total cholesterol levels.
Scientists have developed a new CRISPR RNA editing tool called REPAIR, which can target and edit RNA with high efficiency and specificity. This tool allows for the correction of mutations in different time windows, including during key developmental periods, and may have disease-modifying potential.
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 created a computational model to improve the efficiency of CRISPR-Cas9 genome editing by allowing off-target cuts, which may help on-target cutting be faster. The model suggests that proteins can correct mistakes and tolerate minor mutations, potentially leading to more precise gene editing.
Researchers have developed a new CRISPR delivery system, CRISPR-Gold, that can repair the mutation causing Duchenne muscular dystrophy. The system achieves an 18-times-higher correction rate and improves muscle strength and agility in mice.
Plant geneticists have developed a new application of CRISPR technology to rapidly generate variants of crops that display improved traits. By mutating regulatory regions, the scientists can achieve subtle changes in yield traits, providing flexibility for improving crop yields. This method has the potential to break yield barriers and...
A research team has developed a method using modified CRISPR to find gene activators associated with autoimmune disorders. By targeting specific regions of the genome, they identified fundamental circuitry of diseases such as inflammatory bowel disease and Crohn's disease, providing new insights into their mechanisms.
Researchers used CRISPR to manipulate ant eggs, resulting in germline changes that affect every cell in the adult colony. The study found that knocking out the orco gene affected olfaction, social behavior, and brain anatomy, providing insights into gene regulation and its impact on complex biological systems.
Researchers at eGenesis have successfully produced the first PERV-free piglets using CRISPR technology, addressing safety concerns in xenotransplantation. The breakthrough demonstrates the potential of gene editing to prevent cross-species viral transmission and pave the way for safe human transplantable cells, tissues, and organs.
A new library of CRISPR targeting sequences enhances precision and efficacy, reducing off-target effects. The tool facilitates multiplexing and combinatorial targeting, improving gene editing outcomes.
Researchers discovered how Cas1-Cas2 proteins insert viral DNA into CRISPR region by relying on flexible Cas1 protein, IHF binding, and DNA bending, allowing proper storage of 'memories' of prior viral infections. This finding opens doors for modification of the proteins to redirect them to other sequences.
Researchers have developed a new CRISPR-based approach to store digital information in living cells, which can be used to record complex biological events and propagate information over time. The system encodes complex data, such as images and videos, into the genomes of bacteria, allowing for reconstruction of the original information.
Researchers at Cornell University and Harvard Medical School have observed the bacterial defense mechanism against invaders, revealing how CRISPR sites store molecular memories of invaders. The study provides structural data to improve CRISPR operations' efficiency and accuracy.
A Kyoto University team developed a genome-wide base-editing technology using the CRISPR Nickase system, which reduces inaccurate edits and improves editing accuracy. The system combines a guide RNA and Cas9 nickase to 'nick' the DNA double helix, resulting in faster generation of yeast mutants and increased precision.
Researchers describe for the first time the exact chain of events as the CRISPR complex loads target DNA and prepares it for cutting by the Cas3 enzyme. The study reveals a molecular redundancy that prevents unintended genomic damage, providing insights into ways to improve CRISPR-Cas systems for precision gene editing.
Scientists at the University of Texas at Austin have developed a technique that can spot editing mistakes made by CRISPR, allowing for more precise gene therapies. The method involves rapidly testing a CRISPR molecule across a person's entire genome to foresee potential interactions.
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.
The first commercial CRISPR product is expected to debut in 2020: a waxy corn used for paper glue and food thickeners. Researchers can use CRISPR to identify genes in crops that may be good candidates for editing, potentially leading to improved cotton quality, non-browning mushrooms, drought-resistant corn, and grocery store tomatoes.
A new study found that CRISPR-Cas9 gene editing can cause hundreds of unintended mutations, including single nucleotide changes and deletions in non-coding regions. The researchers emphasize the importance of using whole genome sequencing to detect off-target effects and encourage others to use this method for safer editing.
Researchers create a cellular model of Ewing sarcoma in human stem cells using CRISPR technology, enabling the study of mechanisms underlying the disease. The technique improves upon previous methods, increasing success rates by up to seven-fold and opening new avenues for cancer research and potential treatment.
Researchers have developed a new class of CRISPR enzymes that can detect specific sequences of RNA, including those from viruses. These enzymes, variants of Cas13a, target different RNA nucleotides, allowing for simultaneous viral diagnostics and potentially expanding the range of diseases they can detect.
Scientists at UC Riverside's Akbari lab have successfully created a strain of red-eyed mutant wasps using CRISPR gene-slicing technology. The goal is to better understand the biology of wasps and other insects to control pests that destroy crops or spread diseases like malaria.
Researchers have developed a highly sensitive diagnostic tool using RNA-targeting CRISPR enzyme for detecting diseases such as Zika virus and antibiotic-resistant bacteria. The new system, called SHERLOCK, can detect single molecules of target RNA or DNA, enabling rapid and affordable diagnosis.
Scientists have developed a way to track genes inside living cells, mapping their positions in three dimensions. This approach could lead to a better understanding of gene interactions and their effects on health, potentially leading to new treatments and cures for cancer and other genetic diseases.
Researchers discovered that microbes activate CRISPR systems early on in viral infections, capturing snippets of viral DNA to create a powerful defense. This early response enables microbes to recognize and attack subsequent viral infections more effectively.
Researchers have discovered how viruses disable CRISPR-Cas systems, a sophisticated defense mechanism against bacterial infections. Anti-CRISPR proteins lock down the system's ability to identify and attack viral DNA, making them 'exceptionally clever' evolutionary tools.
The ACS Kavli Lectures will discuss recent advances in understanding polymer networks and their innovations, as well as the inspiration of CRISPR systems for powerful genome engineering tools. These lectures aim to address open challenges in materials science and provide new insights into the design and application of materials.
Researchers at the National Eye Institute used CRISPR to rescue photoreceptors in mice, preserving daylight and color vision. The approach could lead to novel therapies for preventing vision loss from human diseases such as retinitis pigmentosa.
A new study successfully uses CRISPR-Cas9 to modify the genome of Methanosarcina acetivorans, an archaeal species, for the first time. This breakthrough enables accelerated studies on these organisms, with implications for understanding global climate change and the global carbon cycle.
Researchers have developed a new tool called CRISPETa, which allows for easy and efficient DNA deletion using CRISPR-Cas9. The software can design optimised pairs of sgRNAs for deleting specific regions of non-coding DNA.
A Rice University study models the dynamic evolution of the microbial immune system, revealing a three-region phase diagram where phages thrive or are driven to extinction. The study explains confusing CRISPR experimental results by highlighting the importance of encounter rates and mutation parameters.
The use of CRISPR-Cas9 gene editing technology is restricted due to competing claims over foundational patent rights. Exclusive licenses granted to spinoff companies formed by institutions and researchers could bottleneck the development of human therapeutics.
Despite breakthroughs in CRISPR technology, delivering the gene-editing tool directly into patients remains a challenge. Researchers are exploring multiple approaches to overcome the issue, and despite hurdles, the potential payoff is significant.
Researchers at UMass Amherst have designed a novel nanoparticle-based delivery system to enhance CRISPR/Cas9's treatment potential for genetic diseases. The new delivery method achieved an editing efficiency of about 30 percent in cultured cells, with successful nuclear delivery in approximately 90 percent of cells.
Researchers have successfully produced live cows with increased resistance to bovine tuberculosis using a modified version of CRISPR gene-editing technology. The new method resulted in no off-target effects on the animals' genetics, making it a promising approach for producing transgenic livestock.
Researchers using big data and CRISPR analyze the immune system's minute-by-minute response to viruses, revealing a step-by-step reaction. This approach provides crucial insights into how the body fights off infections.
A new screening method combining CRISPR genome editing with single-cell RNA sequencing enables the simultaneous analysis of thousands of genes in individual cells. This approach, called CROP-seq, allows researchers to study complex biological mechanisms and identify novel drug targets more efficiently than traditional methods.
UCSF researchers have identified anti-CRISPR proteins that can switch off the widely used CRISPR-Cas9 gene-editing system, reducing unintended edits and improving precision. The discovery has the potential to revolutionize CRISPR applications in both basic research and clinical settings.
Researchers have combined CRISPR gene editing with single-cell genomic profiling to understand nuanced cellular processes. The new technology enables precise manipulation of genes in individual cells, revealing previously unknown functions and advancing the field of genetic engineering.
Researchers have developed a new enzyme called TevCas9, which cuts DNA in two places instead of one, making it more difficult for DNA-repair to regenerate the site of the cut. This modification shows promise at being more specific in targeting genes and less likely to cause off-target effects.
Scientists have isolated three families of proteins that can turn off CRISPR-Cas9 systems specifically used for gene editing. This discovery offers a new strategy to prevent unintended changes in the genome, making gene editing more precise and controlled.
Researchers at UGA aim to expand and refine the use of CRISPR-Cas for research and biomedicine, particularly in combating pathogenic bacteria and diseases such as cancer and diabetes.
Duke researchers have successfully converted mouse fibroblasts into neuronal cells using a modified CRISPR technique. This breakthrough could lead to improved models for neurological disorders and personalized medicine. The study's findings suggest that the newly generated neurons retain their properties even after the CRISPR activator...
Researchers at IBS Center for Genome Editing demonstrate Cpf1's superior specificity in precision genome editing, generating mutant mice with targeted mutations. The study reveals that Cpf1 has virtually no off-target effects, opening up new possibilities for therapeutic treatments and agricultural products.
Researchers have characterized a new CRISPR system that targets RNA, enabling temporary changes to be made with greater specificity. This approach has the potential to accelerate progress in understanding, treating, and preventing disease by manipulating gene function more broadly.
Researchers have developed a new method called SLENDR that allows precise labeling of proteins in brain cells using CRISPR/Cas9. This enables scientists to study brain development and function with unprecedented accuracy, revealing previously undescribed behaviors of protein kinase C.