Articles tagged with Mutant Proteins
Scientists have discovered how cells eliminate mutated mitochondrial DNA (mtDNA) using autophagy, a cellular waste disposal process. This mechanism prevents mitochondrial damage and preserves function.
Researchers at the University of Pittsburgh School of Medicine have discovered a genetic link between melanoma tumors and telomere maintenance, which could lead to new treatments for the disease. The study found that mutations in the TPP1 gene stimulate telomerase activity, promoting long telomeres that enable cancer cells to divide in...
Researchers uncover abnormalities in neuronal connectivity and synaptic structure in cells lacking sacsin protein, leading to Purkinje cell death. The study expands knowledge of sacsin's functions and suggests a possible link between ARSACS and other brain disorders.
Researchers identified specific monkeypox mutations that contribute to its continued infectiousness. The virus is accumulating mutations where drugs and antibodies from vaccines are supposed to bind, making it smarter and more infectious.
Researchers have discovered that mutations in mitochondrial-related genes can trigger hyperinflammation, leading to diseases such as Crohn's disease and tuberculosis. The study found that these mutations lead to a new type of cell death called necroptosis, which causes an aggressive inflammatory immune response.
Researchers found that reducing SAMHD1 levels made brain tumor cells sensitive to chemotherapy drugs and slowed cell growth. They also suspect that glioblastoma alters SAMHD1's function to aid its own survival and treatment resistance.
The first clinical guideline on Schaaf-Yang syndrome provides comprehensive recommendations for healthcare professionals and families, outlining the effects of the truncated MAGEL2 protein on cell physiology. The guide aims to improve clinical care and empower families by offering evidence-based interventions and follow-up guidelines.
Researchers at Max Planck Institute successfully revived ancient enzymes, revealing a novel protein component that increased CO2 specificity in Rubisco. This discovery provides new insights into the evolution of modern photosynthesis and suggests adding new components may improve its efficiency.
Studies on prion diseases in mice reveal coordinated gene expression changes before symptoms appear, shedding light on selective vulnerability and potential treatment targets. Researchers predict disease progression using new methods, suggesting therapies may be more effective when applied early.
Researchers discovered that zinc can restore the functioning of proteins affected by mutations in the GNAO1 gene, leading to severe mental and motor disabilities. By reactivating hydrolysis, zinc enables neurons to communicate correctly with their environment.
Researchers investigate how motor proteins transport vital proteins and RNAs to the right location within cells, where they can cause or prevent genetic neurological diseases. By understanding these highly regulated transport systems, scientists hope to develop new treatments for conditions like spinal muscular atrophy and Charcot-Mari...
Researchers from the University of Cincinnati found that low levels of soluble amyloid-beta protein in the brain, rather than its buildup into plaques, are associated with cognitive decline and Alzheimer's disease. Patients with high levels of soluble amyloid-beta showed improved cognitive outcomes, contradicting previous theories.
Researchers found a specific CAPRIN1 gene mutation linked to impaired protein production, leading to autism spectrum disorders, ADHD, language impairments, and muscle weakness. The study also identified similar symptoms in patients with early-onset ataxia and myasthenia.
A team of scientists has solved the structure of cystinosin and determined how mutations interfere with its normal function. This provides insights into the underlying mechanisms and suggests a way to develop new treatments for the devastating genetic disease.
Researchers found that RK-33 inhibits the ability of SARS-CoV-2 to replicate in host cells, making it a potential broad-spectrum antiviral agent. The study showed that RK-33's antiviral capability remains consistent across four SARS-CoV-2 variants.
Researchers at the University of Münster have identified a specific group of cells in plant roots that react to salt stress, forming a 'sodium-sensing niche' and triggering a calcium signal. This signal is controlled by a calcium-binding protein (CBL8) that helps pump out salt from the plant under severe stress conditions.
A study reveals that an ADAR1 gene mutation activates ZBP1 protein, leading to programmed cell death and inflammatory responses. This causes damage to organs like the kidneys and liver in genetically modified mouse models.
MU researchers have identified specific mutations in the Omicron variant's spike protein that help it evade existing antibodies from vaccines or previous COVID-19 infections. These findings can inform developers of COVID-19 treatments and vaccines, which may need to target different parts of the virus to produce effective outcomes.
Researchers at the Salk Institute discovered that genetic mutations disrupt RNA splicing in Wiskott-Aldrich syndrome, leading to bleeding and immune deficiencies. This finding suggests new targets for treatment with small molecule drugs and sheds light on the basic biology of RNA splicing.
Researchers have created stem cell models that mimic the genetic disorder, revealing the role of WASP protein in regulating RNA splicing and finding potential therapeutic targets. These findings could lead to new treatments for Wiskott-Aldrich syndrome, a devastating immune deficiency disorder.
A new computer model has been developed to rapidly scan cancer genomes and identify harmful driver mutations that contribute to tumor growth. The model, trained on genomic data from various types of cancer, found additional mutations in 5-10% of patients that could help doctors identify more effective treatment options.
A study led by Tel Aviv University researchers reveals a common mechanism underlying genetic mutations associated with autism, schizophrenia, and other neurological disorders. The discovery points to an experimental drug developed by the team as a potential treatment for these conditions.
Researchers discovered a previously unknown mutation in a child with epilepsy that affects the functioning of ion channels, which are crucial for brain function. The mutation has been found to decrease the function of normal proteins as well, highlighting the importance of studying genetic mutations.
Researchers at the University of Missouri are applying AI to analyze protein dynamics, identifying potential target sites for new drug therapies. The approach can simulate protein changes related to conditions like cancer, enhancing the chances of successful therapies.
Researchers at DTU Compute and DIKU have developed a machine learning model that can map the potential of proteins, enabling the biotech industry to accelerate the development of new proteins. The model generates a picture of how proteins are linked, allowing for the identification of closely related proteins with desirable properties.
Researchers discovered a novel mutation in the alpha-synuclein gene that causes severe Lewy body pathology, revealing distinct mechanisms of neurodegeneration. The E83Q mutation influences alpha-synuclein's structure and aggregation properties, leading to increased pathology formation and toxicity.
Researchers have identified a new strain of the myxoma virus that has enabled it to leap from European rabbits to Iberian hares, causing lethal disease in both species. The study suggests that this viral adaptation may also improve the virus's ability to replicate in human cancer cells.
Scientists have developed a novel approach to targeting transcription factors, which could lead to new therapies for cancer and other diseases. A peptide designed to target the Mediator complex has been shown to selectively inhibit p53, a critical gene in human development and stress response.
A multicenter study found mutations in the SARS-CoV-2 N protein associated with increased viral loads and severe disease symptoms. The changes enabled the virus to hijack host cell translation machinery, leading to a life-threatening cytokine storm.
A recent study found that stimulating reactive astrocytes promotes the elimination of toxic protein aggregates in Huntington's disease. This cooperative mechanism between neurons and astrocytes holds promise for potential treatments.
Researchers at Johns Hopkins Medicine discovered a critical step in the molecular circuitry of immune cells that mobilizes the immune system to fight off foreign invaders. The findings, published in iScience, shed light on subtle genetic variations among human populations that may explain individual responses to infections.
Scientists have developed a new computational tool that mimics the processes of natural selection, producing proteins for medicinal and household uses. This innovation reduces the time required for laboratory evolution from months or years to just days.
Researchers at the University of Toronto have identified hundreds of new proteins associated with cystic fibrosis, including those that interact with the CFTR protein. These discoveries may shed light on why some patients respond better than others to current therapies.
Researchers have identified a specific location in the hippocampus called the dentate gyrus where schizophrenia may originate. Studying rats with damaged SAP97, they found changes in activity in this region, directly linking alterations to the development of schizophrenia.
Researchers have developed a new therapeutic approach to block mutated RAS proteins, which are frequently found in cancers. The method, using small molecules, has the potential to work with multiple mutant forms of RAS in various types of cancers, including pancreatic, lung, and colorectal cancers.
A computational study finds that Omicron's spike protein has evolved to evade multiple classes of antibodies targeting SARS-CoV-2, even those from vaccinated individuals and monoclonal antibody treatments. The study suggests vaccines still offer protection due to the development of T cell immunity.
Researchers have determined the precise structural changes in omicron's spike protein, which allows it to evade antibodies against previous variants. The findings provide a blueprint for designing new countermeasures, such as vaccines or therapeutics, against omicron and future coronavirus variants.
Researchers at WVU are studying the Musashi proteins to understand their role in retinal degeneration and develop a universal therapy. By investigating protein translation and gene suppression, they hope to identify potential pathways to boost protein production and slow vision loss.
Researchers found that the Alpha variant produces a protein to stifle infected cells' immune signals, allowing it to evade detection and accelerate transmission. Similar mutations exist in Omicron, suggesting potential strategies for developing drugs to help the immune system fight SARS-CoV-2.
Researchers are exploring how an engineered adeno-associated virus (AAV) can compensate for missing protein or swap out genetic mutations that cause vision problems. AAV has been found to be beneficial and is being used as a tool to deliver genes that work as they should.
An experimental drug called NAP has been found effective in treating a broad spectrum of symptoms related to autism, intellectual disability, and Alzheimer's disease. Researchers discovered that NAP normalizes brain function in mice modeling ADNP syndrome, a rare disorder linked to these conditions.
A special form of four-stranded DNA has been found to interact with the gene that causes Cockayne Syndrome when faulty. G-quadruplexes, which form knot-like structures in DNA, specifically bind to a protein called CSB, affecting its function and potentially leading to premature ageing.
Researchers at Karolinska Institutet found that CRISPR gene-editing causes DNA damage, activating the p53 protein, which can lead to an accumulation of mutated cancer cells. The study identified a network of linked genes with similar mutations and suggests transient inhibition of p53 as a potential strategy to prevent their enrichment.
A study with lab-grown mouse cells reveals that lamin C plays a key role in maintaining the structural network under the cell's nucleus, ensuring proper DNA organization. This finding has significant implications for diagnosing and treating genetic disorders linked to DNA disorganization, such as progeria and muscular dystrophy.
Researchers have identified genetic mutations in genes CBP and p300 that drive radiation resistance in head and neck tumors. Inhibiting these proteins with certain drugs makes tumor cells more susceptible to radiotherapy.
Scientists have developed a software that adds missing sugar components to protein models created with AlphaFold, enabling more accurate structural predictions. This breakthrough has the potential to revolutionize workflows in biology, allowing scientists to understand proteins and their mutations faster than ever.
Researchers mapped cancer through protein interactions, revealing biomarkers and potential new treatments for breast and head and neck cancers. The study provides a new definition of biomarkers based on large, multi-protein complexes, offering a more precise way to explain mutation effects.
Research reveals how genetic mutations in aminoacyl-tRNA synthetases cause CMT by halting protein production and inducing integrated stress response. The study's findings provide new avenues for therapies against the disease.
A recent study published in Cell Metabolism found that reducing naturally occurring errors in protein synthesis improves both health and lifespan. By engineering a mutation in ribosomes, researchers observed fewer protein mistakes and improved heat resistance, leading to longer lifespans in yeast, worms, and fruit flies.
Researchers discover that sudden cardiac episodes are caused by a combination of genetic mutations and chemical modifications in heart cells. The study uses new technology to manipulate the protein, demonstrating that phosphorylation can affect its function, particularly when paired with mutations.
Researchers at Vanderbilt University Medical Center have discovered that aneuploidy drives gain-of-function phenotypes in cells expressing mutant p53. This finding has implications for developing therapies targeting mutant p53, which is mutated in more than half of all human cancers.
Silent mutations, which don't change protein sequences, hold diagnostic value in predicting cancer types and patient survival. The study analyzed over 10,000 cancer genomes and found that combining information from silent and non-silent mutations improved classification and prognostication up to 17% and 5%, respectively.
Researchers at Penn Medicine discovered that restoring DAXX protein levels can prevent the misfolding of proteins associated with Alzheimer's disease and certain cancers. This finding could lead to new targeted approaches for treating these diseases, including reducing neurodegeneration and tumor growth.
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 at TMDU discovered a novel disorder resulting from a mutation in the AIOLOS protein, which causes immune deficiency and interferes with IKAROS protein function. The study found that the mutant protein forms a heterodimer with IKAROS, recruiting it to incorrect regions of the genome and leading to immunodeficiency.
Researchers have identified the gene responsible for faba bean's production of vicine and convicine, two compounds that cause favism in susceptible individuals. The team has also found a specific mutation within this gene that reduces synthesis, leading to low vicine and convicine content in certain varieties.
A new way to target the RAS protein, responsible for 20-30% of all known cancers, has been found by a team from the University of Leeds. This breakthrough could lead to greater treatments for more patients, paving the way for hundreds of other disease targets.
A new study by NYUAD researchers demonstrates a small molecule protein mimetic can reactivate the tumor suppressor protein p53, which is often mutated and deactivated in cancer. The treatment effectively shrinks tumors and prolongs survival with no noticeable toxicity to healthy tissue.
A team of researchers from Japan and Germany created a mouse model that mimics the human pathology of restrictive cardiomyopathy, allowing for easier study. The model shows changes in protein quality control and autophagy, leading to fibrosis and heart muscle stiffening.
Researchers identified a rare genetic mutation causing severe muscle damage and heart failure in children. Experimental approaches for treatment were successful in mice, offering hope for potential therapies.