Articles tagged with Genetic Engineering
Researchers have developed an approach to 'delete' a diseased blood system while building up a new, healthy one with donor blood stem cells. This process involves targeting specific antibodies coupled to a cytotoxic drug that recognize and destroy diseased blood cells while sparing healthy ones.
A new resource has been created to provide a deeper understanding of the bioenergy crop sorghum and its potential for genetic modification. The study identified gene expression patterns in sorghum stem cells, which can help researchers design cell-type specific promoters for targeted gene expression.
Researchers discuss the benefits of CAR-T therapy in treating B-cell lineage acute lymphoblastic leukemia (B-ALL) in children. The therapy, tisagenlecleucel, has shown promising results and is now priced at $508,250, a more manageable cost compared to other gene therapies.
Researchers at Johns Hopkins Medicine used genetically engineered mice to study the mechanism of congenital stationary night blindness. The findings demonstrate that a mutation in the rhodopsin gene produces unusual background electrical activity, desensitizing rods and causing poor vision in low-light settings.
A recent study reveals that a cellular process called transfer Ribonucleic acid (tRNA) modification influences the malaria parasite’s ability to develop resistance. This breakthrough discovery could help researchers develop new drugs to combat resistance and better tools for studying RNA modifications.
Farny will investigate the impact of methylation on gene expression of Pseudomonas putida in soil and laboratory conditions, building gene circuits to test engineered bacteria. The project aims to advance the use of bacteria for environmental cleanups and create educational resources for undergraduate students.
Researchers at the University of California San Diego developed a biodegradable form of thermoplastic polyurethane (TPU) filled with bacterial spores from Bacillus subtilis. The material breaks down in compost environments within five months, even without additional microbes.
Depletion of axonal mitochondria disrupts autophagy, leading to abnormal protein build-up in neurons. Restoring mitochondrial levels restores autophagy and recovers impaired neuron function.
Researchers at UNIGE and ETH Zurich have created biofortified rice lines with enhanced vitamin B1 content, targeting the nourishing tissue of the grain. The modified lines multiplied vitamin B1 levels by 3-4 without compromising agronomic yield, providing a significant advance in combating deficiency.
Researchers highlight the role of post-transcriptional RNA modifications in AML pathogenesis, identifying m6A and m7G regulators as potential therapeutic targets. Targeted therapies, including selective inhibitors and Traditional Chinese Medicine compounds, show promise in promoting cell differentiation and reversing AML phenotypes.
A study using a xenotransplantation model has revealed that human microglia respond to amyloid-β plaques with a complex immune response, influencing the disease course. The research highlights the importance of considering genetic factors in microglia-targeted therapies for Alzheimer's disease.
A new therapy combines gene-modified dendritic cells with immunotherapy to promote a stronger immune response against lung cancer. The treatment slows down tumor growth and activates T cells to attack cancer cells systemically.
Researchers unveil innovative strategies to overcome metabolic constraints in CAR-T cell therapy, aiming to boost its efficacy in treating solid tumors. Metabolic interventions targeting immunosuppressive metabolites, metabolite uptake, and mitochondrial metabolism are proposed to enhance anti-tumor activity.
Researchers have discovered a new immunotherapy approach to overcome resistant leukemia by targeting the mutated TP53 gene. Combining pharmacological therapies with genetically engineered CAR T-cells increases effectiveness against cancer cells, offering promising strategies for patients with resistant disease.
A study led by Leopold Eckhart found that the genetic programme controlling keratinized claws originated in a common ancestor of humans and frogs. The research team used the tropical clawed frog as an experimental model and discovered that important hair components, including keratins, share similarities with human hair.
A team of scientists at Pohang University of Science & Technology uncovered the molecular mechanism responsible for crossover interference during meiosis, a biological process that generates genetically diverse reproductive cells. The findings have significant implications for breeding and cultivating crops with specific desired traits.
A recent study by Helmholtz Munich scientists has made significant breakthroughs in understanding how epigenetic modifications work together to regulate the genome. The research sheds light on the complex interactions between DNA, histone proteins, and epigenetic reader proteins, providing new insights into diseases such as cancer, met...
Researchers from Kyushu University and Harvard Medical School have identified proteins that can reprogram fibroblasts into cells with properties similar to limb progenitor cells. The new method simplifies the process of regenerating human limbs after amputation and could one day be used to give snakes back their legs.
Researchers have created a new tool called epidecodeR to analyze epigenetic marks and predict their impact on gene activity. The tool can identify correlations between specific modifications and gene responses in various conditions, including cancer and neurological disorders.
A new roadmap has been published by IEEE EMBS, outlining five primary medical challenges that need to be addressed through advanced biomedical engineering approaches. The paper, written by 50 renowned researchers from 34 prestigious universities, aims to guide future research and funding for groundbreaking innovations.
Researchers have developed a new method to label naïve neurotransmitter receptor proteins in living animal brains without genetic manipulation. This technique, known as ligand-directed acylimidazole chemistry (LDAI chemistry), uses pulse-chase analysis to track the movement and fate of proteins in real-time.
A recent study has uncovered 145 genes crucial for genome stability, shedding light on genetic factors influencing human health over a lifespan. The research highlights the potential of SIRT inhibitors as a therapeutic pathway for cohesinopathies and other genomic disorders.
Researchers found Mad2 gene expression levels correlate with chromosomal abnormalities in esophageal squamous cell carcinoma, highlighting potential as a clinical biomarker. The study also revealed the deregulation of the Rb-E2F1 circuit and its impact on histone modifications.
Researchers at the University of Manchester have developed a new genetic biocontainment method that directly targets essential proteins, providing a robust escape frequency. The method uses an estradiol-controlled destabilizing domain degron to control survival of genetically engineered yeast organisms.
A team of neuroscientists has discovered that oligodendrocytes, myelin-forming cells, accelerate glucose consumption to deliver energy-rich molecules to rapidly firing axons. This communication is mediated by potassium signals and maintains axonal health.
Researchers have identified regional biological signatures in invasive brain tumor margins of high-grade glioma, which could lead to improved diagnosis, prognosis, and treatment. Advanced MRI techniques may help distinguish between the genetic and molecular alterations, providing insights into resistance to treatment.
Researchers have identified two distinct brain regions involved in regulating salt and water intake, which can help prevent excessive consumption. The parabrachial nucleus plays a crucial role in feedback mechanisms that reduce thirst and salt appetite after ingesting water or salt.
A new study using CRISPR technology enables researchers to activate genes in easily accessible cells, providing a potential breakthrough in the diagnosis and understanding of rare genetic diseases. This method could revolutionize the process by enabling faster results within weeks.
Researchers identified a key chromatin modifier-centered pathway for grain size regulation in rice, showing that HHC4 and bZIP23 interact and enhance grain size. Phosphorylation of HHC4 by TGW3 triggers negative influences on the pathway, leading to increased rice yield.
Researchers have found that antibody sequences contain an unusual number of codons without corresponding tRNAs, which can be bridged by the inosine wobble modification. This modification allows for more efficient production of antibodies, with implications for vaccine efficacy and rationally designed vaccines.
A Cornell University study using lab mice with human genes found that male mice exposed to arsenic developed insulin resistance and Type 2 diabetes, while female mice did not. The researchers identified a biomarker called miR-34a associated with insulin resistance in Type 2 diabetes.
Researchers found that mutations in IDO2 can affect dopamine release and lead to ASD-like behaviors. IDO2 KO mice exhibited changes in microglia populations, which may contribute to synaptic abnormalities.
The study reveals the critical role of 6mA in lipid accumulation in Nannochloropsis oceanica under high light conditions. Disruption of 6mA levels affects gene expression and biomass production, highlighting its importance in optimizing microalgae for industrial uses.
Researchers at West Virginia University are using artificial intelligence to analyze habanero peppers and develop new methods for predicting genetic traits. The goal is to improve crop yields and prevent genetic diseases, with potential applications in human health.
Researchers from Nagoya University found that electric eel discharges can genetically modify small fish larvae, demonstrating the potential for electroporation in nature. The study's findings suggest that electric fields can affect gene transfer in organisms, leading to new insights into genetic modification.
The Cre-LoxP system's specificity is compromised due to non-specific promoters driving Cre expression, leading to inaccurate results. This limitation requires careful consideration for proper interpretation of experimental outcomes.
Researchers have successfully converted human retinal cells, specifically Muller glia, into neurons in a lab setting using an artificial fish-like genetic program. This breakthrough could potentially serve as a new source of neurons to treat vision loss caused by disease or trauma.
Researchers have developed a method to camouflage stem cell-derived transplants, avoiding immune rejection and tumor formation. Genetically engineered liver cells can persist in the body despite lack of immune matching, offering a potential solution to organ donor shortage.
A new MIT study proposes a theoretical model that helps explain how cells maintain the memory of their cell type despite losing chemical modifications during DNA replication. The research team suggests that the 3D folding pattern of the genome determines which parts will be marked by these chemical modifications.
The Genes & Health study has enrolled its 10th participant in a gene-editing clinical trial for heart disease, specifically familial hypercholesterolemia. This milestone marks an important step towards improving health outcomes for people of Pakistani and Bangladeshi descent.
A team of researchers developed synthetic enzymes that can control the behavior of the signaling protein Vg1, which plays a key role in vertebrate embryonic development. The study uses zebrafish to investigate how Vg1 is formed and found that it must undergo additional processing before it can be activated.
Researchers have identified a crucial biological trigger of Huntington's disease, finding that methylation converts an important protein into waste. By targeting this process, they may develop effective therapies for other neurodegenerative diseases.
Researchers at the University of California San Diego have created modular nanoparticles that can be tailored for various applications, including targeted drug delivery and neutralizing biological agents. By leveraging a plug-and-play approach, scientists can rapidly modify functional biological nanoparticles with ease.
Researchers developed a mouse model with human-like telomeres by making a single genetic alteration, providing a valuable resource for studying aging and cancer. The discovery highlights the importance of the RTEL1 protein in determining telomere length.
The team created a glycoengineering platform that simplifies the production of customized sugar carbohydrates, known as glycans, which play a crucial role in various therapeutic applications. This innovation enables the engineering of new glycans with unprecedented flexibility, addressing limitations in existing approaches.
Researchers at the University of Massachusetts Amherst have developed a new method for DNA detection that is 100 times more sensitive than traditional methods. This breakthrough enables fast and accurate disease diagnosis, reducing wait times for lab processing from days to minutes.
A new AI method leverages causal relationships in genome regulation to efficiently identify optimal genetic perturbations for cellular reprogramming. The technique reduces experimental costs by prioritizing the most informative interventions, leading to faster convergence and more effective results.
A small molecule drug improved the fitness of hematopoietic stem cells used in cell transplants, potentially enhancing the success of procedures like ex vivo gene therapy. The study found that targeting extracellular vesicles relieved stress on cells outside the body, improving their performance when transplanted back in.
Scientists developed a workflow that combines CRISPR gene editing with computational models to predict necessary gene edits, reducing product development cycles from years to months. The approach showed promise in engineering strains to convert lignin into target molecules, offering an eco-friendly alternative for biomanufacturing.
Researchers have genetically engineered Vibrio natriegens to produce enzymes that can break down polyethylene terephthalate (PET) in salt water. This breakthrough addresses the challenge of removing plastics from oceans and could lead to more sustainable solutions.
Researchers developed a technology to rapidly screen genetic edits in immune cells, identifying a new combination that improves their effectiveness against cancers. By combining multiple genes into long DNA stretches and testing thousands of combinations, scientists discovered that different CARs can be optimized by different factors.
Researchers identified distinct genomic characteristics that impact prognosis for patients with triple negative apocrine carcinoma. The study confirmed a five-year disease-free survival rate of 92.2% for these patients, significantly higher than those diagnosed with other types of TNBC.
A team of Chinese and UK researchers has identified superoxide dismutase 1 (SOD1) as a potential target for reversing drug resistance in ovarian cancer. By using nanoparticles to deliver siRNA that reduces SOD1 levels, the study showed reduced growth and decreased resistance to cisplatin in female mice.
Researchers have developed a sustainable solution to clean contaminated water using 3D-printed 'living material' containing genetically engineered bacteria that produce an enzyme to transform organic pollutants. The material's surface area and geometry optimize bacterial growth and decontamination efficiency.
A groundbreaking study from the University of Copenhagen sheds light on the significance of transmitting epigenetic information during cell division for proper function of embryonic stem cells. The researchers found that histones play a crucial role in maintaining epigenome stability and cell identity.
Scientists successfully transfer a longevity gene from naked mole rats to mice, resulting in improved health and a 4.4% increase in median lifespan. The gene enhances cellular repair and protection, reducing inflammation and cancer risk, paving the way for potential human longevity benefits.
Researchers discovered a new mechanism underlying the heat shock response in Escherichia coli. IbpA suppresses σ32 translation, regulating Hsp expression and aiding cell protection under high temperatures. This finding sheds light on bacterial adaptation to harsh environments.
Researchers used base editors to introduce specific combinations of activating and inactivating mutations into healthy organoids, creating realistic models for various types of cancer. This allows for further investigation into the development and treatment of cancer, with potential applications including testing new drugs.
Researchers at CityU and HKUMed developed genetically modified human neural stem cells that promote neural circuit reconstruction, reduce glial scar accumulation, and enhance axon outgrowth. The therapy demonstrates potential for treating severe spinal cord injuries with functional recovery.
Researchers identified two genes, CJt020762 and CjTKPR1, necessary for Japanese cedar pollen production. Creating genetically modified trees with non-functional versions of these genes can produce nearly no pollen, making them suitable as timber tree lines to combat hay fever.