Articles tagged with Messenger Rna
Researchers developed a new mouse model lacking the Upf3b gene to study its underlying role in intellectual disabilities and neurodevelopmental disorders. The study found that Upf3b-deficient mice exhibited defects in neural stem cell specialization, dendrite formation, and sensory processing.
Researchers discovered a chemical tag added to RNA during embryonic development regulates the early brain's growth. The study found that m6A-tagging is essential for proper brain cell development, with dysregulation linked to psychiatric disorders.
Researchers discovered that intestinal cells use a strategy to increase protein production within minutes of food entering the intestines, enabling fast and efficient processing. This approach has potential medical implications for diseases such as colitis, Crohn's disease, and bowel cancer.
A new study reveals that head-on collisions between protein machines on chromosomes can disrupt DNA replication and increase the frequency of genetic errors. These collisions promote mutations in key genes involved in coping with environmental stresses, which may help bacteria survive hostile environments.
Researchers have discovered a circular RNA, Cdr1as, that regulates microRNA levels and modulates synaptic responses in the brain. This finding has significant implications for our understanding of neural function and may hold potential for treating psychiatric diseases.
A dedicated transport system has been characterized that delivers specific mRNAs to active synapses, allowing for the modulation of synaptic junctions and enabling learning and memory. The key factor involved in this transport binds specifically to regions of its mRNA cargo lacking protein-coding information.
A study by Hiroshima University researchers has discovered that controlling the hoarding of genetic materials in the nucleus causes it to bulk up. The swelling is also enabled by regulating the transport of mRNA and proteins from the nucleus into the cytoplasm, as well as lipid synthesis for nuclear membrane expansion.
Scientists have identified a group of seven genes that show distinct patterns of expression in patients with malaria, distinguishing it from other infectious diseases. This discovery could lead to the development of a fast and accurate blood test for malaria.
A Northwestern University study found that free-floating proteins can break up protein-DNA bonds at a single-binding site, disrupting gene expression. This discovery challenges previous beliefs about the stability of protein-DNA interactions and has implications for understanding biological processes in living cells.
A team from the University of Pennsylvania has demonstrated a new method to deliver safer and more cost-effective therapeutic antibodies using messenger RNAs. The technique involves injecting modified mRNAs into cells, which then produce the therapeutic proteins in a controlled manner.
A team of researchers from the National Institute of Standards and Technology (NIST) has discovered at least 47 possible start codons in DNA, which can trigger protein synthesis. This finding challenges the long-held assumption that only a small number of three-letter sequences in mRNA could initiate translation.
Researchers compared six methods for single-cell RNA sequencing and found that some commercial kits are ten times more expensive than homemade versions. The choice of method depends on the experiment's conditions and demands. This study is valuable for further developing the technology, particularly in the Human Cell Atlas project.
A novel gene therapy technique, called charge-altering releasable transporters (CARTs), has been developed to deliver messenger RNA (mRNA) into cells. This method overcomes the challenge of delivering mRNA through cell membranes and shows promise for treating diseases by inserting therapeutic proteins.
Researchers at Salk Institute use mRNA therapy to deliver instructions for clotting protein, achieving normal clotting and minimal immune response in mice. The therapy shows potential as a cost-effective and safer alternative to existing treatments for hemophilia B and other genetic diseases.
A new Zika vaccine candidate has shown promising results in preclinical tests, protecting mice and monkeys with a single dose of mRNA-based vaccine. The innovative approach induces strong immune responses without adverse events, offering a potential solution to the global fight against Zika virus.
A novel mRNA vaccine has shown promise in protecting mice and monkeys against Zika virus infection. The vaccine, which uses messenger RNA to produce Zika virus proteins, was found to be highly effective in preventing the virus in both animal models.
Researchers from Chinese Academy of Sciences found that BCAS2 plays a crucial role in alternative mRNA splicing during mouse spermatogenesis, leading to impaired meiosis initiation. The study provides evidence for the importance of alternative splicing machinery in regulating germ cell development.
Researchers at Hokkaido University have created a new technology that can precisely control gene expression by light illumination, overcoming existing limitations. The method uses ultraviolet and blue light to start and stop protein production in embryos, enabling precise timing and duration of gene expression.
Researchers have characterized the structure of a macromolecular complex involved in mRNA transport, showing how RNAs are recognized and bound by binding proteins in the nucleus. The complex allows for the specific recognition and transport of mRNAs from the cell nucleus to the cytoplasm.
Dr. Scarlett Shell is awarded a $1.1 million NSF CAREER Award to investigate the molecular mechanisms of bacteria's stress response, which could lead to new treatments for infectious diseases like tuberculosis. Her work aims to enrich educational experiences for students and inspire careers in science.
Researchers from Lomonosov Moscow State University demonstrate how an evolutionary ancient mechanism of protein biosynthesis helps a cell resist stress. They developed a technique called FLERT, which allows studying the impact of cell stress on protein synthesis in a short-time scale.
Researchers have identified a new adaptor protein on the microtubule roadway that helps motors navigate proteins to their correct destinations. This discovery challenges previous assumptions about motor function and has implications for understanding diseases such as cancer and cardiac disease.
Researchers at Ludwig-Maximilians-Universität München discovered a mechanism to recycle bacterial ribosomes stalled on messenger RNAs lacking termination codons. This process, involving the protein ArfA, has emerged as a promising target for developing new antibiotics.
Researchers discovered that neural stem cells serve as RNA highways, transporting proteins and messenger RNAs to the endfeet. FMRP was found to be responsible for controlling mRNA movement and is linked to autism-related disorders.
Researchers have discovered new compounds that are more stable and effective than their natural equivalents, leading to a better understanding of protein biosynthesis in cells. This could help design better therapeutics and improve patient outcomes.
A team of scientists has discovered that N6-methyladenosine (m6A) regulates gene expression to determine the sex of fruit flies by controlling the Sex-lethal (Sxl) gene. Alternative splicing allows only female mRNA to be made into a functional protein.
Researchers at the Centre for Genomic Regulation have identified a new pathway to therapy discovery for Huntington's disease. The study found that blocking the activity of messenger RNA (mRNA) is enough to revert alterations associated with the disease.
Researchers have discovered that distinct conformations of a protein essential for spliceosome assembly on mRNA precursors significantly influence splicing efficiency. The findings suggest that different structural configurations adopted by the large subunit of U2AF regulate splicing operations, affecting protein synthesis rates and fi...
Researchers at Berkeley Lab discovered a complex system of cell regulation that acts as quality control for genetic information transport out of the nucleus. They found that proteins associated with aberrant strands of genetic code are regulated, enabling gateway proteins to recognize and block them from exiting the nucleus.
Researchers have discovered vigilin, a 'lock keeper' protein in liver cells that regulates fat release and influences transport proteins. The study found a strong correlation between vigilin levels and fatty liver percentage.
Researchers found that messenger molecules in flatworms have alternate forms with varying tail lengths, affecting gene expression. The study provides insights into stem cell regulation and tissue regeneration.
A recent SISSA/CNR-IOM study reconstructed the cleavage process for group II introns using computer simulations, shedding light on the human spliceosome's complex mechanism. The research provides valuable information for fighting diseases related to aberrant splicing, such as cancer and neurodegenerative disorders.
Inflammatory myofibroblastic tumors (IMTs) are linked to a deficiency in nonsense-mediated RNA decay (NMD), which deactivates the cell's quality control system and leads to increased inflammation. This finding may lead to new treatments for rare masses of immune cells.
Scientists at MIT and HHMI use a new imaging technique to observe short-lived enzyme clusters that play a central role in triggering mRNA production and controlling gene transcription. These clusters, which remain stable for up to 24 seconds, can significantly impact gene expression.
Researchers have developed a method called 'LIGR-Seq' to explore the functions of non-coding RNAs in human cells. The study revealed new roles for small nucleolar RNAs in regulating protein-coding mRNA stability and abundance.
A new study by the IBS Center for RNA Research has found that poly(A) tail length is not linearly correlated with translation efficiency in somatic cells. The researchers used two techniques to compare poly(A) tail length and translation efficiency, finding a correlation between the two in a limited range.
Researchers at HKUST elucidated the dynamics of backtracking in RNA polymerase II, revealing a stepwise process that detects mis-incorporated RNA and corrects errors. The study provides insight into fundamental mechanisms of transcription and may help understand human diseases and aging related to transcription infidelity.
Researchers found that UPF3A protein plays critical role in RNA regulation and male fertility, potentially leading to new treatments for infertility and various genetic diseases. The study also reveals the importance of NMD pathway in eliminating faulty mRNAs and preventing disease.
A team of researchers at UT Southwestern Medical Center has identified a second role for RNA-binding proteins, which may contribute to neurological diseases such as autism and epilepsy. The study suggests that these proteins play a key regulatory role in translating messenger RNA into proteins.
Researchers found proofreading molecules apply physical tension to RNA, preventing splicing errors and enabling alternative splicing sites. This mechanism regulates splice site choice, shifting the perspective on the realm of possible activities for this class of enzymes.
A new study published in Nature finds that an extra letter in RNA, m1A, regulates gene expression and is linked to increased protein synthesis. Thousands of genes are decorated by this modification, allowing cells to control the expression of proteins needed for key biological processes.
A team of scientists has uncovered greater intricacy in protein signaling than previously understood, shedding light on the nature of genetic production. The research found that both protein synthesis and mRNA production are highly regulated processes, with different patterns and responses to outside stimuli.
Researchers at OIST discovered a molecular mechanism involved in storing and burning fat. They found that mice lacking two specific genes remain lean even after eating a high-fat diet due to increased expression of Ucp1, which helps convert stored fat into heat.
Researchers at the University of Zurich have made a groundbreaking discovery that the nucleus acts as a passive filter to regulate gene activity, reducing random noise. By visualizing subtle physiological details with microscopic dyes, they were able to detect and predict the activity of individual genes in human cells.
Researchers at Arizona State University have created a worldwide resource to explore genes' deep and hidden messages, specifically the untranslated elements (UTRs) of the human genome. The UTRome library contains over 1,400 human 3'UTRs and is freely available for researchers to study gene regulation and disease.
Researchers have identified a key mechanism in regulating cell survival by controlling mRNA stability, shedding light on programmed cell death mechanisms. The study suggests that the CCR4-NOT complex plays a vital role in maintaining cellular integrity and that its component protein CNOT3 is crucial for cell viability.
Researchers identified 30 genes influencing ageing process across three species, finding that blocking these genes extended lifespan by at least five percent. The bcat-1 gene, which degrades branched-chain amino acids, was found to be particularly influential in extending nematode lifespan.
Researchers found that ribosomes can translate the 'untranslated region' of mRNA, producing small proteins whose functions are unknown. This discovery opens up new questions about cancer cell growth and how cells respond to stress.
Researchers at UofSC have identified a molecular pathway that promotes nerve regeneration in the central nervous system, bridging the recovery gap between peripheral and central nerves. The discovery could lead to new treatments for spinal cord and brain injuries.
Researchers at EMBL Grenoble have found a way to identify and silence 'jumping genes' that can alter the genetic code, using tiny RNA molecules called piRNA. These piRNAs guide proteins to destroy the genes, preventing uncontrolled changes in DNA.
Decaying RNA molecules provide a snapshot of how proteins are produced, with one end decaying while the other serves as a template for translation. Researchers have discovered that an enzyme degrading mRNA follows closely behind ribosomes, pausing at set points to allow translation to complete before degradation begins.
A new study found that an increase in CELF2 expression drives widespread changes in mRNA splicing during T-cell development, leading to physiologically important changes in proteins. The research provides unprecedented insight into the regulation of splicing during thymic development and reveals a biologic role for CELF2 in human T cells.
Researchers have developed a new fluorescence microscopy technique that shows where and when proteins are produced in individual cells. The technique allows direct observation of messenger RNA molecules being translated into proteins, shedding light on protein synthesis irregularities contributing to human diseases.
Researchers have discovered that the three-dimensional structures of mRNAs determine their stability and efficiency inside cells. This knowledge could help explain minor mutations causing neurodegenerative diseases.
Scientists have found evidence that ribosomes are not just passive translators of DNA but also have their own genetic information and may be responsible for creating proteins. The discovery challenges traditional views on the evolution of life and suggests a new spin on feeling kinship with other creatures.
A team of researchers discovered a protein called Rqc2 that specifies which amino acids are added to stalled proteins, blurring the lines of what we thought proteins could do. The study suggests potential implications for neurodegenerative diseases such as Alzheimer's, ALS, or Huntington's.
Researchers discovered that Ranbp9 controls the correct processing of mRNA molecules after their synthesis from thousands of genes involved in sperm production. This finding places Ranbp9 as a master regulator of sperm production.
Researchers at UMass Chan Medical School will explore the molecular basis of Fragile X syndrome, a genetic disorder affecting 1 in 4,000 males and females. They aim to identify therapeutic targets by investigating three molecules that slow down mRNA translation in mice.
Researchers from ETH Zurich have discovered a new form of innate immune defence against certain RNA viruses, including those causing hepatitis C, yellow fever, and dengue fever. The NMD system, which is a quality control mechanism in cells, also serves as a general virus restriction mechanism in plants.
Duke University researchers found that stressed cells slow down protein production, reshuffle their workload, and clean up misfolded proteins. This response mechanism could shed light on diseases caused by misfolded proteins.