Articles tagged with Dna Binding Proteins
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Scientists at Mays Cancer Center found that altering androgen receptor multivalent interactions may lead to new treatments for prostate cancer. The study suggests that precise levels of these interactions are crucial for proper hormone-induced gene expression.
Researchers discovered NSMF protein's role in alleviating DNA replication stress by displacing weakly bound RPA proteins and promoting phosphorylation. This mechanism accelerates relief of replication stress, offering a new direction for treating various diseases, including cancer and age-related conditions.
Mayo Clinic researchers found that cells expressing PD-1 and PD-L1 within a certain distance of each other can predict the success of immunotherapy in patients with colorectal cancer. This spatial analysis may help select patients most likely to benefit from treatment, improving outcomes and minimizing unnecessary treatments.
A Purdue University research team has revealed complex new details about the function of a key protein shared by mammals, including humans. The study shows that DNA methylation plays an important role in how young, unformed mammalian cells divide and develop into more specialized cells.
A study published in Science has identified 135 previously unknown genes associated with pigmentation, shedding light on the regulation of melanin production in humans. The research could help protect lighter-skinned individuals from skin cancer and develop new treatments for vitiligo and other pigmentation diseases.
Researchers discovered that STING, a critical immune regulator, can act as an ion channel to control immune responses. This new function allows STING to translate danger signals into ion flow, activating various defense mechanisms.
A study published in Neuron reveals that hundreds of proteins and mRNA molecules are found in the wrong place in nerve cells affected by Motor Neurone Disease, a condition that causes paralysis. The researchers found that mislocalisation affects many more proteins than first thought, especially those involved in RNA binding.
Researchers have developed a new way to identify proteins based on their amino acid content, which can predict protein function and facilitate the development of new biological drugs. The method shows promise in cancer research, where it can help design more targeted treatments by linking survivin and PRC2 proteins.
Dr. John H. Bushweller's team at UVA Cancer Center is developing novel drugs to block abnormal proteins that cause pediatric leukemia. The new approach aims to improve efficacy and reduce toxicity, potentially leading to better patient outcomes.
Researchers discovered that MSH2-MSH3 plays a crucial role in selecting the right DNA repair process by interacting with other proteins during DSB repair. This interaction facilitates error-free homologous recombination and blocks error-prone polymerase theta-mediated end-joining.
Researchers discovered a mechanism that helps explain the link between reduced levels of protein PKMzeta and neurological disorders. The study used epigenetics to show that hypermethylation of the gene regulates its expression.
Researchers used ancestral sequence reconstruction to study protein interactions in cyanobacteria, finding that they can evolve independently of direct selection pressure. The discovery challenges classical evolutionary theory and suggests that fortuitous compatibility may be the basis for a significant fraction of cellular interactions.
Researchers at the CNIO have elucidated a key point about how cohesin attaches to DNA and forms loops. The study suggests that NIPBL is not necessary for cohesin to bind to DNA, but only for it to move and form DNA loops. This finding may be important in understanding Cornelia de Lange syndrome.
Researchers found that protein modifier SUMO plays a key role in cellular adaptation to simulated microgravity. The study identified 37 proteins that physically interact with SUMO, including those involved in DNA damage repair and energy production.
Scientists at UC Riverside identify microRNA as a key player in plant temperature responses and growth, revealing its essential role in sensing environmental changes. The discovery has significant implications for increasing crop yields in diverse environments and adapting to climate change.
A DNA designer drug restored levels of stathmin-2, a protein necessary for motor neurons to function, in both mouse and human studies. This finding could lead to clinical trials to delay paralysis in ALS patients by maintaining stathmin-2 levels.
Researchers used C-trap technology to investigate how different DNA repair proteins identify and bind to their respective forms of damage. They found that some proteins arrived at the damage site together and departed together, while others showed surprising variability in their association and dissociation patterns. The study provides...
Researchers at Rice University have discovered a new way protein structures communicate with each other to regulate hormone activity. This finding could lead to improved therapies for breast cancer and other diseases.
Researchers developed a novel technology to engineer proteins targeting specific DNA sequences, offering a new approach to gene therapies. The system generates engineered zinc fingers that bind to any given sequence of DNA, potentially treating diseases caused by genetic mutations.
Researchers at St. Jude Children's Research Hospital used a next-generation protein degradation technology to study CTCF, revealing its functional insights into transcription regulation. The AID2 system overcame limitations of previous approaches, identifying specific zinc finger domains responsible for CTCF-dependent transcription.
Scientists at IRB Barcelona have detailed the atomic scale mechanism of action for FoxH1, a key transcription factor in embryonic development and cancer. The study reveals an unusual binding mechanism to compacted DNA, shedding light on its role in disease progression.
Researchers at Cornell University discover how to modulate the affinity of Cas proteins, enabling precise gene editing and reducing off-target effects. By modifying guide RNAs, they can tune Cas removal, contributing to future CRISPR applications.
Researchers at the University Hospital Bonn have discovered a new function of CRISPR/Cas9 gene scissors, which produce small signal molecules that bind to proteins, activating an emergency response. This discovery opens up new possibilities for treating diseases using CRISPR technology.
Scientists have identified a protein complex called Ku that helps human cells detect viral DNA, and discovered how viral proteins can block this detection. The findings offer a new approach to improving the response to infections caused by viruses like monkeypox.
Scientists at King's College London and the University of Bath have made a groundbreaking discovery about a molecule that plays a crucial role in nerve cell development. The study found that this molecule, known as SNRNP70, is not only present in the nucleus but also in the cytoplasm of nerve cells, where it shapes messenger RNA strand...
Scientists at NTU Singapore have successfully modified a plant protein to increase vegetable oil yield. By improving the binding affinity of WRI1, the team was able to enhance oil accumulation in seeds by 15-18% under laboratory conditions.
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.
A new study reveals that the emergence of a new gene called PGBD1 is linked to the evolution of a new structure in nerve cells. PGBD1 controls paraspeckles, tiny structures that act like traps for RNAs and proteins, and its regulation is crucial for nerve cell development.
A team of researchers has identified over 250 gene activators in human cells, expanding our understanding of transcriptional regulation and its role in cancer. The study also reveals new insights into how proteins interact with each other to regulate gene expression, potentially leading to the development of targeted therapies.
Researchers at Uppsala University found that DNA-binding proteins often bind to similar sequences before finding their target, contradicting previous assumptions about gene regulation. This discovery explains how these proteins can rapidly adapt to changing environments without getting stuck on specific sequences.
Researchers at MUSC have discovered that hnRNP E1, a tumor suppressor protein, not only binds RNA but also DNA to maintain genome integrity and sense or prevent DNA damage. The protein's binding is sequence- and structure-specific, suggesting its potential role in preventing cancer metastasis.
Researchers found that Atf1 and Rst2 transcription factors reciprocally bind to DNA in fission yeast cells responding to glucose scarcity. This unique mechanism prevents both proteins from binding alone and integrates independent activation pathways.
Researchers at UNC Lineberger Comprehensive Cancer Center have uncovered a new mechanism that activates specific genes, leading to cancer development. They found that a mutation in two unrelated genes can promote a process called liquid-liquid phase separation, which enables the formation of compartments with varying physical properties.
Researchers developed new microscopy approach to directly observe transcription factor proteins sliding along DNA and their binding mechanisms. The study reveals that these proteins frequently miss their target site, employing a 'hopping' mechanism to trade thorough scanning for speed.
Researchers discovered that proteins use the DNA's three-dimensional structure as a type of keyhole to select specific binding sites, rather than just patterns in the genome's code. Over 80% of proteins bind to a specific shape pattern in the genome, which helps explain how they avoid confusing different sequences.
Scientists in China have derived a formula to calculate the end-to-end distance of semiflexible polymers, including DNA and RNA, accounting for their stretchiness. This method enables researchers to estimate the flexibility of segments of DNA, crucial for its biological function.
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.
Researchers have found that C2H2-zinc finger proteins control genes in new and surprising ways, interacting with multiple other proteins to regulate gene expression. This discovery could lead to more accurate interpretation of individual genomes and improve our understanding of disease.
The study reveals that p53's RNA-binding capacity plays a crucial role in controlling mRNA translation, with some mutant forms of the protein even promoting tumour growth. By binding to MDMX mRNA, p53 can suppress its own negative regulator, highlighting a previously unknown mechanism of action for this essential tumour suppressor.
A study reveals that stress hormone cortisol's inhibitory effects on the immune system may be hundreds of millions of years old. GR, a glucocorticoid receptor, can adopt different shapes to bind DNA, highlighting the importance of protein flexibility in evolving new functions.
A team of researchers led by Professor Karl-Peter Hopfner has clarified the structure and function of Mot1, a Swi2/Snf2 remodeler that regulates gene expression by removing TBP from DNA. This process enables genes to be transcribed into messenger RNA.
Researchers developed a new theoretical model to explain protein-DNA interactions, revealing optimal concentrations of binding proteins and auxiliary binding sites. The findings provide insight into gene regulation and its connection to diseases like cancer.
Biochemists at North Carolina State University have developed a new understanding of how bacterial proteins make life-or-death decisions by controlling DNA binding. The findings could lead to new targets for drugs to disrupt bacterial decision-making processes and related diseases.
Yale researchers found that gene regulation plays a crucial role in shaping differences between species. By mapping DNA binding sites and analyzing regulatory regions, they discovered functional differences in yeast species, shedding light on the balance between gene content and regulation.
Researchers at the University of Manchester are exploring the role of p63 in cleft palate development. By investigating how this protein works during normal development and how it is disrupted in cleft palate, the study aims to improve understanding of the condition and potential therapies.
Researchers found that human p53 and Cep-1, a roundworm protein, bind to similar DNA sequences in their respective genomes but in different conformations. The study suggests that both proteins exist primarily as tetramers under normal circumstances, leading to a new understanding of how they interact with DNA.
Researchers discovered the YB-1 protein's Cold Shock domain, resembling a bucket with handle and two ears, attaches DNA to its binding site. The domain alone forms weak bonds to DNA, contradicting previous measurements of complete protein strength.
Researchers have created protein microarrays that can measure the function of thousands of proteins, enabling rapid screening of small-molecule drug candidates and profiling of enzymes in cells. The technique preserves protein function and functionality, allowing for creation of 'protein snapshots' of cells.
Researchers have identified a family of proteins that bind to human sperm, which may help explain why sperm that haven't passed through the epididymis fertilize eggs poorly. The discovery could lead to identifying potential targets for male contraception, including a contraceptive vaccine.
A new molecular engineering technique, inspired by centuries-old concept of principal axes of inertia, can help researchers identify functional regions on proteins crucial for drug delivery. This method may aid in developing molecular-modeling software to streamline the search process.
A Brandeis University researcher has mapped the structure of ephemeral protein 'switches' that play a critical role in transforming mild-mannered bacteria into lethal parasites. This finding raises the prospect of a novel kind of antibiotic to combat growing resistance among many bacteria.
Scientists have produced the first three-dimensional images of the protein complex that initiates DNA transcription, revealing critical components and their interactions. The research provides insights into how transcriptional factors work together to regulate gene expression.
Researchers have identified a new mechanism for regulating gene expression that could help scientists understand developmental birth defects and other medical conditions. The TRA-1 protein plays a critical role in binding to DNA and controlling mRNA movement, which affects protein production during embryo development.
A study published in Molecular Cell reveals that the mutated tumor suppressor gene ARF prevents cellular transformation by blocking p53 degradation, allowing it to stop tumor cell growth. Researchers found that mutations in ARF's Exon 2 are linked to cancer, impairing its ability to localize and block p53 export.
Researchers identified SLBP1 and SLBP2 proteins in frog oocytes, which act as biochemical switches triggering histone synthesis crucial for embryogenesis. The study provides new insights into the process of embryogenesis and its relation to stored RNA activation.
Researchers have isolated a bacterial protein that allows Helicobacter pylori to attach to the gastric lining, a key step in developing a vaccine against peptic ulcers and gastric cancer. The discovery of BabA protein, found on the surface of H. pylori, could lead to an effective, cheap vaccine that boosts immunity after every exposure.
Two repair proteins, Fpg and UvrA, have been found to 'block the road' to replication by physically attaching themselves to damaged DNA, preventing mutations. This discovery offers new insights into natural DNA repair mechanisms and potential avenues for cancer prevention.
Researchers discover byssal threads in marine mussels, which feature a mix of collagenous and elastin-like properties. The unique structure of these threads may inspire the development of biomimetic materials with improved stretchiness and toughness.
Researchers have discovered how key molecules interact in the major pathway regulating cell division. Disrupting this pathway may force cancer cells to divide prematurely, favoring their death. A class of molecules that inhibit Cdc25C has also been identified, suggesting a potential target for cancer therapies.
Researchers at Johns Hopkins University discovered that RNA- and DNA-binding proteins have the same shape, a configuration of three coils called alpha helices. This similarity suggests that the protein could be an ancient ancestral form of other proteins crucial to embryonic development.