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New gene-editing technique reverses vision loss in mice

Researchers have successfully restored vision in mice with retinitis pigmentosa using a new CRISPR-based genome editing technique. The PE SpRY system corrected genetic mutations and restored normal electrical responses to light, preserving vision into old age. This breakthrough offers potential for treating inherited blindness.

SourceRockefeller University Press·JournalJournal of Experimental Medicine·TypeExperimental study·DateMar 17, 2023

New mutation in the desmoplakin gene leads to ACM

Researchers identified a new mutation in the desmoplakin gene that leads to cardiac disease arrhythmogenic cardiomyopathy (ACM). The mutation affects heart muscle cell connections and ion channel function, highlighting the importance of desmosomes in maintaining healthy heart function.

SourceHubrecht Institute·JournalStem Cell Reports·TypeExperimental study·DateMar 2, 2023

'We're not all that different': Study IDs bacterial weapons that could be harnessed to treat human disease

Researchers discovered a cluster of enzymes in bacteria that can be reprogrammed to edit proteins and potentially treat human diseases such as Parkinson's and Crohn's. The study also identified key components of the bacterial immune system, including two on-off switches, that could be targeted therapeutically.

SourceUniversity of Colorado at Boulder·JournalNature·TypeExperimental study·DateFeb 8, 2023

Genome editing procedures optimized

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.

SourceHeidelberg University·JournalDevelopment·DateJan 24, 2023

CABBI team achieves first precision gene editing in miscanthus

The CABBI team successfully demonstrated precision gene editing in miscanthus, a promising perennial crop for sustainable bioenergy production. The results will accelerate efforts to tap the huge potential of this highly productive but genetically complex grass as a source for biofuels, renewable bioproducts, and carbon sequestration.

SourceUniversity of Illinois at Urbana-Champaign Institute for Sustainability, Energy, and Environment·JournalBiotechnology for Biofuels and Bioproducts·TypeExperimental study·DateJan 19, 2023

Modified CRISPR-based enzymes improve the prospect of inserting entire genes into the genome to overcome diverse disease-causing mutations

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.

SourceMassachusetts General Hospital·JournalNature Biotechnology·TypeExperimental study·DateJan 17, 2023

Shining a new light on the importance of a critical photosynthesis pathway in plants

Scientists have discovered that the ferredoxin/thioredoxin pathway is essential for light-dependent activation reactions in chloroplasts, crucial for normal plant growth and efficient photosynthesis. The study used CRISPR/Cas9 technology to create a mutated plant specimen with a defective Fd/Trx pathway.

SourceTokyo Institute of Technology·JournalJournal of Biological Chemistry·TypeExperimental study·DateNov 21, 2022

New insights into the processing of hormones in the human gut

New insights into the processing of hormones in the human gut reveal dozens of peptides regulating appetite, bowel movement, and insulin secretion. By studying human intestinal organoids, researchers characterized potentially novel gut hormones, including glucagon, and explored its role in human physiology.

SourceHubrecht Institute·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateNov 7, 2022

Spicing it up

Researchers at Kyoto University have developed a prodrug form of curcumin called TBP1901, which has shown anti-tumor effects without causing harm. The study found that TBP1901's conversion to active curcumin is dependent on the enzyme GUSB, suggesting its potential therapeutic targets.

SourceKyoto University·JournalEuropean Journal of Pharmacology·TypeExperimental study·DateOct 27, 2022

New gene editing strategy could lead to treatments for people born with inherited diseases of the immune system

Researchers have developed a pioneering gene editing strategy that can repair faulty genes in immune cells, offering new hope for patients with conditions like CTLA-4 insufficiency. The technique uses CRISPR/Cas9 to target and correct the faulty gene, preserving important regulatory mechanisms.

SourceUniversity College London·JournalScience Translational Medicine·TypeExperimental study·DateOct 26, 2022

Even good gene edits can go bad

Researchers at Rice University have developed a procedure to quantify unintended changes that accompany on-target CRISPR-Cas9 gene editing, potentially threatening the efficacy and safety of therapies. The new method uses single-molecule sequencing with unique molecular identifiers to detect large deletions, insertions, and chromosomal...

SourceRice University·JournalScience Advances·TypeExperimental study·DateOct 24, 2022

Discovery broadens scope of use of CRISPR gene editing

Researchers at Northwestern University developed a new CRISPR-based therapy platform that can deliver cargo to a broader range of tissue and cell types, increasing its potential for treating various diseases. The platform achieves this by transforming the Cas-9 protein into a spherical nucleic acid and loading it with critical components.

SourceNorthwestern University·JournalJournal of the American Chemical Society·DateOct 6, 2022

Biologists unveil clues to evolutionary origins of brown-colored algae for health, biofuels research

Brown algae's unique pigments have evolved through a complex genetic pathway, enabling them to harness more light energy than green plants. This discovery could lead to insights into fucoxanthin's health applications and improved photosynthetic efficiency for biofuels production.

SourceColorado State University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateSep 22, 2022

Plant breeding: Using “invisible” chromosomes to pass on packages of positive traits

Researchers at KIT have developed a method to suppress nine-tenths of a chromosome using CRISPR/Cas molecular scissors, preventing genetic exchange and allowing positive traits to be passed on together. This technique can improve the efficiency of crop breeding by combining favorable traits in one plant.

SourceKarlsruher Institut für Technologie (KIT)·JournalNature Plants·TypeExperimental study·DateSep 20, 2022

Microscopy reveals mechanism behind new CRISPR tool

Researchers at Cornell University have discovered a new CRISPR system called Craspase, which has the potential to develop promising antiviral and tissue engineering tools in animals and plants. The study uses cryo-electron microscopy snapshots to explain how Craspase identifies RNA targets and activates proteases.

SourceCornell University·JournalScience·DateAug 25, 2022

A fast, accurate, equipment-free diagnostic test for SARS-CoV-2 and its variants

A team of researchers from Princeton University and the Broad Institute created a fast, accurate, and equipment-free diagnostic test for COVID-19. The test uses CRISPR technology to detect SARS-CoV-2 variants and can be performed at home without special equipment, improving sensitivity and specificity compared to existing tests.

SourcePrinceton University·JournalNature Biomedical Engineering·TypeExperimental study·DateAug 16, 2022

CRISPR therapeutics can damage the genome

A new study from Tel Aviv University found that CRISPR therapeutics can lead to a significant loss of genetic material in treated cells, potentially destabilizing the genome and promoting cancer. The researchers detected up to 10% of cells with lost chromosomes, highlighting the need for extra care when using this technology.

SourceTel-Aviv University·JournalNature Biotechnology·DateJul 24, 2022

Researchers lift the veil on stubborn probiotic

NC State researchers discovered a new way to make the difficult-to-characterize gut bacterium Bifidobacterium more responsive to antibiotics. They also found tiny changes in different strains that reflect large differences in their characteristics, highlighting the need for individualized CRISPR-based genome engineering approaches.

SourceNorth Carolina State University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateJul 18, 2022

Hidden genes may be tapped for new antibiotics

Rice University bioscientists have developed a novel approach to control the expression of 'silent' genes in bacteria using CRISPR technology. This strategy could lead to the discovery of new antibiotics and has potential applications in antifungal and anticancer agents, as well as agriculture.

SourceRice University·JournalNucleic Acids Research·TypeExperimental study·DateJul 11, 2022