Articles tagged with Mutant Proteins
Researchers developed a carbene-catalyzed phthalide ether functionalization method, creating chiral phytovirucides targeting the viral Nia protein. The compounds showed superior antiviral efficacy against Potato virus Y (PVY), with potential for developing new plant viruses management strategies.
Researchers develop a simplified model of tau protein that forms disease-like fibrils, shedding light on the fundamental interactions underlying neurodegenerative diseases. The 'mini prion' can recreate the critical hallmarks of tauopathies, such as Alzheimer's disease.
Researchers discovered temperature influences plant cell fate by regulating epigenetic marks. Low ambient temperatures can rescue developmental defects by compensating for PRC2 loss, highlighting the importance of H3K27me3 in maintaining cellular identity.
Researchers at the Weizmann Institute of Science discovered that dormant breast cancer cells accumulate DNA mutations and experience widespread cellular damage, leading to dormancy. Increasing OVOL protein expression can halt cancer cell lifecycle and induce dormancy, but also enables them to reawaken more aggressively.
A team of researchers from Goethe University and Kiel University has discovered a way to prevent the formation of harmful protein aggregates in cultured cells. The study found that linking TDP-43 with SUMO prevents its aggregation, suggesting a potential new approach for treating ALS and other neurodegenerative diseases.
Researchers developed a novel protein, LSUBP, to enhance uranium extraction from seawater. The engineered protein achieves high adsorption capacity, offering a promising new material for effective uranium extraction.
Researchers at MIT have discovered that a genetic variant can lead to defects in transfer RNA molecules, causing embryonic face cells to fail to fuse properly. This study sheds light on the molecular mechanisms underlying cleft lip and cleft palate formation.
Researchers from ICTER have determined the 3D structure of RBP3, a key molecule in the visual cycle, shedding light on its role in retinal diseases such as diabetic retinopathy. The study reveals conformational changes upon binding to ligands, providing new insights into its functional mechanisms.
Researchers have uncovered the molecular mechanism of ATG-9 in regulating lysosome integrity by modulating phospholipid distribution. This study suggests that reduced ATG-9 scramblase activity facilitates lysosome biogenesis and repair, highlighting ATG-9 as a promising therapeutic target for diseases related to lysosomal dysfunction.
Researchers analyzed CRC tumors with high tumor mutation burden to characterize BRAF-associated mutations and decipher their role in carcinogenesis. They found TMB-high tumors likely arise from a heterogeneous population of cells harboring numerous gene mutations distinct from driver oncogenes.
Researchers have identified new candidate genes that could be responsible for congenital deafness, a condition affecting around one in 1,000 babies born in the UK. The study suggests that understanding these gene mutations may hold the key to devising effective treatments.
Researchers have gained detailed insights into RBP3's structure and mechanism of action, shedding light on its role in protecting the retina from diseases. The study suggests potential therapies to slow or stop retinal degeneration, including RP and myopia.
Researchers uncover a novel immune mechanism by which wheat tandem kinase proteins (TKPs) combat pathogen invasion, establishing a new paradigm for cooperation between TKPs and NLR proteins. The discovery offers a foundation for engineering crop varieties with broad-spectrum pathogen resistance.
Researchers used mice to examine the activity of two neuronal proteins linked to autism. They found that a natural balance between MDGA2 and BDNF maintains normal neuron activity, but disruption can lead to ASD-like symptoms. This study suggests MDGA2 and BDNF as promising therapeutic targets for future treatments.
Researchers from Prof. Yardena Samuels's lab developed a new approach to cancer treatment by manipulating cancer cells to produce dozens of suspicious proteins, leading to a powerful immune response that destroys human cancer cells and slows tumor growth in mouse models.
Researchers develop AI model to predict novel mutations in protein sequences, combining grammatical and semantic changes. The method uses all available information about the sequence and mutations to create a more accurate prediction model.
Researchers discover Dscamb protein regulates spacing between color-detecting cells, ensuring perfect arrangement for optimal vision. The protein acts as a 'self-avoidance enforcer' to maintain proper distances between cone cells.
Dr. Owen Witte has been awarded the 12th annual Harrington Prize for Innovation in Medicine for his groundbreaking work on leukemia, lymphoma, and other cancers. His discoveries have led to life-saving therapies like Gleevec and ibrutinib, transforming cancer treatment.
Scientists have identified a key component in launching immune activity and overactivity, providing a potential target for therapies that could prevent debilitating illnesses. The researchers discovered a protein in cells that spurs the release of infection-fighting molecules, which is essential for controlling the disease.
Myotonic Dystrophy Type 1 affects multiple organs, including the heart, and is caused by a mutation in the DMPK gene that leads to disrupted RNA processing. Researchers at Baylor College of Medicine tested MBNL overexpression in a mouse model, achieving partial rescue of cardiac phenotypes.
The Damon Runyon Cancer Research Foundation has named 13 new Fellows, awarding them $300,000 each to investigate cancer causes and mechanisms. Five recipients of the Dale F. Frey Award for Breakthrough Scientists will also receive an additional $100,000 investment to catapult their research careers.
A recent study by York University researchers has identified a genetic mutation that can shut down an overactive immune response, dramatically reducing inflammation in mice. This discovery may pave the way for a new class of drugs to treat rheumatoid arthritis and other inflammatory diseases.
Biologists have identified a new type of regulation that influences the expression of about half of all human genes by targeting specific introns. This discovery adds complexity to the process of gene expression and suggests potential therapeutic targets for diseases such as blood cancers and spinal muscular atrophy.
Researchers at UCSF have identified unique, cancer-specific proteins created through mistakes in RNA splicing. These antigens could be used to create potent immunotherapies that recognize and attack hard-to-treat tumors. The discovery offers new hope for glioma patients and expands the number of targets available for cancer therapy.
A team of researchers from the University of Arizona College of Medicine – Tucson found that an FDA-approved osteoporosis treatment, risedronate, can correct a gene mutation and normalize heart function in animal models. The study provides hope for treating other rare diseases using precision treatments tailored to individual mutations.
Researchers found that a rare genetic syndrome causes different damage mechanisms in male and female brains, affecting neurogenesis and energy production. The study suggests that the ADNP protein plays a crucial role in brain development and aging, with distinct functions in males and females.
Researchers have discovered Mitofusin 2's unexpected function in maintaining protein quality within cells, interacting with the proteasome and chaperones to prevent toxic aggregates. This novel connection has far-reaching implications for treating CMT and other neurodegenerative diseases.
Researchers at the University of Florida have discovered a novel genetic mutation associated with an accumulation of toxic proteins in Alzheimer's brains. The study found that people carrying a specific variation of this repeated DNA strand have more than double the risk of developing late-onset Alzheimer's.
Thousands of proteins rely on their tails to become successfully embedded within the cellular membrane. Researchers discovered a protein called YidC that helps short tails cross the fatty membrane, enabling functional protein-tail integration.
Researchers at Arizona State University propose a unifying explanation for Alzheimer’s disease, focusing on the role of chronic stress granules in disrupting gene activity. The condition causes massive changes in gene expression, affecting every known neuropathology and clinical manifestation.
Researchers at UCSF describe how to curb MYC levels by disrupting the protein assembly line controlled by RBM42. Disrupting RBM42 in pancreatic cancer cells stopped them from growing, suggesting drugs could be developed to do the same for other fast-growing cancers.
A deficiency of TLE6 protein, associated with female infertility, was also linked to abnormal sperm morphology and reduced motility in male mice. The study suggests that TLE6 plays a crucial role in energy production in sperm cells.
Researchers at Johns Hopkins Medicine identified a new epigenetic approach to target colorectal cancer, using a mouse protein that disrupts cancer-causing chemical changes in genes. The study found that the protein, STELLA, can be used to develop a drug strategy to treat solid tumors.
Researchers identified a novel genetic risk factor for SARS-CoV-2 infection, linking a PTPN2 variant to increased ACE2 expression and susceptibility. The study suggests Tofacitinib may mitigate this risk, offering new treatment options for patients at higher genetic risk.
An international team has presented the first detailed picture of Huntington's disease protein clumps, known as fibrils. These elongated shapes differ in important ways from those in other diseases like Alzheimer's and Parkinson's, offering new insights into their role in the disease.
Researchers have developed new models to explore the role of a membrane anchor on the folding and aggregation of PrP. Anchoring stabilizes folding and inhibits aggregation, with clumping induced by pre-formed aggregates, suggesting a potential mechanism for infectious prion diseases.
A Cornell University team has made a groundbreaking finding in apple cells, demonstrating that a structural cell protein directly influences DNA transcription into RNA. This breakthrough has significant implications for understanding gene expression in all nucleus-containing cells, including humans.
Researchers discovered that aggressive breast cancer prompts nearby immune cells to build 'molecular bridges' between themselves, suppressing the immune response. An antibody treatment that blocks these bridges was shown to restore the immune system's ability to attack with force, inhibiting tumor growth in a mouse model.
A new method introduces adversarial attacks on AlphaFold2 to generate mutated proteins, streamlining experimental phase in structure determination and mechanistic studies. The approach identified crucial residues in the transmembrane lipid transporter SPNS2, suggesting alternative conformations.
Researchers found that Toxoplasma gondii parasites lacking the protein MYR1 can survive and proliferate when co-infected with normal parasites, thanks to supportive secreted proteins. This study highlights a limitation of pooled CRISPR screens in studying parasite biology in live hosts.
Researchers developed a novel computational pipeline to identify protein biomarkers linked to Alzheimer's risk, offering insights into disease mechanisms and potential therapeutic targets. The pipeline, MR-SPI, can predict 3D structural changes in proteins, providing a deeper understanding of the molecular mechanisms driving disease.
Ewing sarcoma, a rare childhood cancer, is made more aggressive by the absence of STAG2 protein. This discovery provides potential biomarkers and therapeutic targets for treatment.
A team of researchers has identified a mechanism that interferes with the splicing process in a more subtle way, leading to cell death. The study reveals that spliceosome subunits U4, U5, and U6 are normally stabilized by protein USP39, but when mutated or absent, stability is compromised, causing incorrect connections during splicing.
Researchers at Tel Aviv University discovered a variant of TMEM16F protein that enhances the spread of Parkinson's pathology, potentially leading to new treatments. The study found that cells with the mutation secrete more pathological α-synuclein, which can form Lewy bodies and damage brain cells.
A new mechanism has been found by which tumor cells escape the immune system, involving a protein called IRGQ. Studies have shown that suppressing IRGQ can trigger a stronger immune response against cancer cells, leading to improved survival rates in liver cancer patients.
Scientists have developed a polymer-based therapeutic for Huntington’s disease, which disrupts protein interactions to preserve cell health. The treatment successfully rescued neurons and reversed symptoms in mouse studies, showing promise as a potential delay or reduction of disease onset.
Researchers have discovered a therapeutic approach that shows promise in preclinical models for treating cancers driven by RAS mutations. The study found that tri-complex inhibitors can restore the normal functioning of mutated RAS proteins, aiming to correct the defect that drives cancer growth.
Researchers at Tel Aviv University have discovered a new cancer mechanism that prevents the immune system from attacking tumors. The discovery was made by reversing this mechanism, which stimulates the immune system to fight cancer cells, including those resistant to prevailing forms of immunotherapy.
Researchers at Osaka Metropolitan University have discovered a key protein involved in transporting boron into plant cells. The protein complex, containing KNS3 and its homologs, facilitates the movement of boric acid channels from endoplasmic reticulum to plasma membrane.
A team of researchers at the University of Toronto has developed a rapid screening system to identify compounds that can stop the growth of amyloid proteins. The study found 40 compounds that demonstrate the ability to inhibit amyloid formation, providing a promising lead for future disease treatments.
Researchers uncover new insights into protein signal transduction, revealing key details about GRB2 and SOS1's role in passing signals. They discovered differences in the domains' dynamics and binding affinities, providing a more detailed mechanism for liquid-liquid phase separation.
A recent study published in Cell reveals that nearly one in six disease-causing mutations leads to proteins mislocalizing within the cell. The research team developed a high-throughput imaging platform to assess protein location and found that breakdowns in protein stability are a major driver of misplaced proteins.
Researchers found that female mouse models of Rett syndrome have a mosaic-like distribution of cells expressing wild-type and mutant MeCP2 protein, leading to dysregulated genes. The study also discovered an unusual disease progression, with females having more dysregulated genes at the pre-symptomatic stage than later on.
Research highlights molecular chaperones' role in maintaining tumor suppressor stability and functional integrity. This understanding is crucial for developing targeted therapies for multiple cancers.
A new study found that toxic SOD1 protein trimers interact with various proteins in different tissues, contributing to cellular dysfunction and degeneration in ALS. Septin-7 is identified as a potential therapeutic target, potentially slowing or disrupting ALS progression.
Researchers discovered that mutations affect protein stability following surprisingly simple rules, making it possible to predict protein behavior without complex models. This breakthrough has significant implications for accelerating new treatments and designing more stable proteins with industrial applications.
Researchers at the University of Dundee and Boehringer Ingelheim have developed a breakthrough small-molecule drug, ACBI3, which targets and degrades the KRAS gene. The compound has shown high potency and selectivity in eliminating 13 out of 17 most common KRAS mutants.
A recent study by FAU researchers links copper regulation to neurodegenerative disorders like Alzheimer's. The team discovered that a specific gene, swip-10, plays a crucial role in maintaining the balance of copper in cells, which can prevent mitochondrial dysfunction and oxidative stress.
A recent study discovered that COI1 proteins in maize balance growth and defense by degrading JAZ and DELLAs. This finding could lead to developing more resilient maize varieties. The research revealed an unexpected role of COI1 in regulating DELLA levels, enabling maize to thrive under hot and arid climates.
Researchers developed guidelines to enhance accuracy of spike-in normalization, a widely-used molecular biology technique. The study highlights common pitfalls and provides recommendations for improving results.