Articles tagged with Proteomics
A new technique called cycleHCR uses DNA barcodes to track hundreds of RNA and protein molecules in single cells within thick biological samples. This allows researchers to decipher how genes function in different parts of an organism, how they enable development, and how they might be altered in diseases.
Researchers discovered that sulfur bacteria from the Desulfobacteraceae family work together like a team to break down diverse organic compounds. By analyzing six strains, they found similar molecular strategies and a highly energy-efficient central metabolism pathway, enabling them to thrive in oxygen-free environments.
A team of researchers has identified a new chronic blood clotting disorder, VITT-like monoclonal gammopathy of thrombotic significance (MGTS), characterized by antibodies similar to those causing vaccine-induced immune thrombocytopenia and thrombosis (VITT). The disorder can lead to severe symptoms despite treatment with full-dose bloo...
Researchers identified 14 proteins and 2 metabolites associated with prediabetes progression to diabetes, including DCXR and GSTA3. Inflammation and immune system pathways also play a key role in glucose homeostasis.
The UK Biobank has launched a groundbreaking study to measure over 5,400 proteins in 600,000 samples, offering unprecedented insights into disease development and progression. This massive dataset will enable researchers to explore how changes in protein levels influence diseases and develop personalized treatments.
Researchers have developed a method that precisely defines the locations of proteins within cells, revealing their relationships with one another. The team created a high-resolution map that organizes proteins according to their compartmentalization, providing crucial insights into cellular organization and response to infections.
A recent study has identified distinct features in two types of brain cells, intratelencephalic (IT) neurons and pyramidal tract (PT) neurons, which may affect their vulnerability to neurodevelopmental conditions. The research highlights the importance of understanding how these brain cells exchange information through their synapses.
Researchers have identified two new deubiquitinases, USP53 and USP54, which play a crucial role in removing polyubiquitin tags from proteins. This study suggests that mutations in the USP53 gene are associated with paediatric cholestasis, highlighting the potential for targeted treatment.
Researchers are analyzing RNA and DNA amplification in breast cancer cases to identify potential biomarkers. Funding will support the study from September 2024 to March 2025.
Researchers have identified shared critical pathways in retinitis pigmentosa disease models using advanced proteomics techniques. This study suggests that disease-modifying treatments could benefit patients with all forms of the disease, regardless of the underlying mutation.
The study found a close correspondence between high levels of stress and disease in Indigenous populations and elevated immunoglobulins and C-reactive protein in their teeth. This new method provides a record of a person's health status from birth to early adulthood, offering valuable insights into past human experiences.
A new study in ACS Pharmacology & Translational Science investigates the molecular mechanisms behind Efavirenz's negative effects on brain function. The research reveals that the drug alters lipid metabolism and downregulates certain enzymes, which could lead to the development of new drugs to block its negative activity.
Researchers at Macquarie University discovered that oral cancer cells use protein interactions to block the immune response, offering new clues for treatment. The study found that a protein called STAT3 and its partner proteins may be involved in pathways that help cancer avoid the immune system.
Recent advancements in high-throughput proteomics have unveiled new insights into protein involvement in various cancers. The review explores four key techniques, including mass spectrometry and next-generation tissue microarrays, highlighting their strengths and limitations for large-scale molecular analyses.
Researchers have developed user-friendly tools to analyze spatial proteomics data, enabling biologists to understand how cells communicate with each other. The study sheds light on cellular mechanisms behind synaptic partner matching and immune system coordination, paving the way for new discoveries in biology.
A study by researchers from Brazil and Germany found that a surface protein on Aspergillus fumigatus spores suppresses the release of pro-inflammatory substances by immune cells, making it easier for the fungus to infect the body. The enzyme glycosylasparaginase plays a crucial role in this process.
A team of chemists at Scripps Research has mapped over 300 small molecule-reactive cancer proteins and their binding sites, revealing key protein targets that can be disrupted with certain chemical compounds to halt cancer cell growth. The findings have the potential to lead to more effective and precise cancer treatments.
A marine natural product derivative, MPA-CF3, targets host factor COPZ1 to inhibit enterovirus A71 replication. The study demonstrates a concentration-dependent inhibition of EV-A71 replication and suggests a unique antiviral mechanism of action.
A study by TUM researchers discovered four subtypes of Amyotrophic Lateral Sclerosis (ALS) with different molecular processes, including sex differences. The findings suggest repurposing an approved cancer drug targeting the MAPK pathway as a promising therapeutic approach for ALS.
A new study from Washington State University found that just a few days on a night shift schedule can disrupt protein rhythms related to blood glucose regulation and energy metabolism. This dysregulation may lead to chronic metabolic conditions such as diabetes and obesity.
A study by Dr. Yamamoto et al. discovered 200 types of proteins, including β2-m, adsorbed onto blood purification devices in dialysis patients. These proteins, such as lysozyme, are involved in amyloid fibril formation and may contribute to the disease progression.
Researchers identified mechanisms that cause ponatinib to harm the heart and found a promising treatment that could reverse this process. The treatment protects heart cells without diminishing the tumor-fighting efficacy of the drug.
A new study reveals critical patterns of protein fatty acid attachment in C. elegans, a microscopic worm offering insights into fundamental biological processes. The findings highlight the link between protein modification and specific fat metabolic pathways, with vast implications for human health.
Researchers found that the complement system remains activated in Long Covid patients, causing cell damage and tissue destruction. This abnormal activity can lead to thromboinflammation and other symptoms of the condition.
A team of scientists identified VAP as a molecular anchor that stabilizes mitochondria near synapses in dendrites, supporting memory formation and plasticity. The discovery links VAP to ALS-linked protein and suggests that mitochondrial stabilization is critical for neuronal function and health.
Researchers have identified a new mechanism for removing RNA-protein crosslinks induced by aldehydes, which can damage cellular function. This discovery sheds light on the effects of aldehydes on human cells and may be particularly important for maintaining cell function in older individuals.
Researchers at Chalmers University of Technology have shown that graphene oxide nanoflakes can reduce the accumulation of misfolded amyloid peptides in yeast cells, which are similar to human neurons affected by Alzheimer's disease. This suggests that graphene oxide may hold great potential for treating neurodegenerative diseases.
The Keck School of Medicine of USC has launched a five-year, $50.3 million multi-omics study to better understand the causes and prevention of various diseases, including NAFLD, in underrepresented racial and ethnic groups.
Giovanni Maglia's breakthrough allows for simple handheld device protein sequencing with nanopore technology. Single-stranded proteins can be transported through the tiny hole in the same way as DNA strands.
Researchers found a high incidence of systemic amyloidosis in Japanese squirrels, characterized by severe glomerular amyloid deposition. The study suggests that fibrinogen Aα-chain is a precursor protein and the amino acid sequence plays a crucial role in maintaining protein stability.
Researchers at the University of Oxford have developed a nanopore-based method to detect post-translational modification variants in proteins. The technique uses directional water flow and measures electrical current disruptions, enabling precise analysis of complex biological processes.
Researchers from Osaka University identified ten blood proteins associated with mortality in severe burns, including HBA1, TTR, and SERPINF2. These proteins may serve as targets for developing new treatment methods for burns, offering a promising direction for future research.
Researchers at UC San Diego found that squid employ RNA recoding to change amino acids in molecular motors, improving their function in colder waters. This process allows cephalopods to adapt to changing environmental conditions and survive in a broad range of ocean temperatures.
Researchers used cancer proteomics data to identify gene candidates for therapeutic targeting, focusing on protein kinases in uterine endometrial cancer cells. Public molecular resources and multi-omics data analysis can prioritize genes of interest for future studies.
Seer researchers identified four structurally distinct protein isoforms that were differentially expressed in non-small cell lung cancer patients. These findings suggest that these protein isoforms may play a role in NSCLC disease pathogenesis, potentially leading to the development of new diagnostic markers or therapeutic targets.
Researchers found 270 distinct differentially methylated regions (DMRs) in AD brains compared to normal controls, validating their key findings using an independent cohort. The study offers a novel approach to investigating the relationship between DNA methylation and gene/protein expression.
The study reveals unexpected mechanisms that enable Aromatoleum aromaticum EbN1 T to adapt to changing environments. By analyzing its metabolic network, researchers developed a model to predict growth under diverse conditions.
Researchers at Tokyo University of Agriculture and Technology discovered a novel amyloid protein, α-S1 casein, which can cause disease in humans. The study found that overexpression and N-terminal truncation of α-S1-casein led to its formation as an amyloid protein.
Researchers at UC San Diego School of Medicine identified a novel molecular pathway that causes gout and its progression to joint tissue erosion. The findings position lubricin as a novel therapeutic target for both the prevention and treatment of the disease.
A high-throughput analysis of 26 medically important snakes in sub-Saharan Africa reveals the benefits of an integrated approach to understanding their venom composition and function. The study provides a solid foundation for further research on snake biology and antivenom development.
A study published in Journal of Clinical Immunology found that four proteins - WFDC2, GDF15, CHI3L1, and KRT19 - are associated with severe COVID-19 progression. These proteins may serve as biomarkers to predict prognosis in patients with critical COVID-19.
Researchers have developed a unique resource for understanding the impact of early life environmental exposures on health. The study, which analyzed data from 1,301 mother-child pairs, identified associations between 92 in pregnancy and 116 in childhood with molecular profiles at different levels.
MU researchers, including Jay J. Thelen and Dong Xu, are exploring genetic modification to increase seed oil production in camelina and pennycress for biofuel use in the aviation industry. The team aims to create a sustainable 'green energy' source as an alternative to petroleum-based fossil fuels.
The new technology provides unparalleled understanding of proteins, mapping modifications that were difficult to detect. This will advance our understanding of protein function and regulation in health and disease.
A new sample preparation method called 'water droplet-in-oil' (WinO) has been developed to improve efficiency in single-cell proteomics. The technique reduces sample loss and increases throughput by up to 10-fold compared to conventional methods.
The Mount Sinai Hospital has been awarded $4.2 million over five years to establish a Proteogenomic Data Analysis Center, which will help identify potential biomarkers and drug targets for cancer and new insights into cancer biology.
Researchers have developed a new mass spectrometry-based method to study the functionality of microbiota, enabling a broader understanding of gut microbiota dynamics. The new method produces reliable results without fluctuation and is freely accessible for the research community.
A recent study published in ACS Omega analyzed protein levels in semen of men who recovered from COVID-19 and found significant reductions in sperm count, motility, and normally shaped sperm. The researchers also detected changes in fertility-related proteins such as semenogelin 1 and prosaposin.
Researchers at Gladstone Institutes have developed a novel method for identifying genetic variants that are likely to play important roles in congenital heart disease. The study leverages interactions between proteins to pinpoint candidate genes, including GLYR1, which is involved in turning other genes on and off.
Researchers are developing new methods to identify and characterize unknown proteins, including those with multiple forms and modifications. Artificial intelligence-based tools are also helping predict protein structures and functions, providing clues to their roles in health and disease.
Roswell Biotechnologies has developed a molecular electronics sensor on a semiconductor chip, enabling real-time detection of single molecules for diverse applications including drug discovery, diagnostics, and DNA sequencing. The platform offers unlimited scalability in sensor pixel density and high resolution measurements.
Researchers have discovered two proteins, IGF-1 and IGFBP5, in urine samples that are significantly lower after a concussion. These biomarkers could help diagnose concussion and monitor recovery. The study suggests that urine testing could be an early and inexpensive way to detect concussions.
The Human Proteoform Project aims to characterize known proteoforms and discover new ones, ultimately establishing a comprehensive Human Proteome Atlas. This atlas will enable researchers to accelerate biomedical research and discovery, leading to improved diagnosis and treatment of diseases.
Researchers at the University of Helsinki and the University of Eastern Finland found six candidate drugs with antiviral effects against SARS-CoV-2. The study used a combination of modern technologies to identify protein targets for repurposed drugs, suggesting that existing compounds could be faster and safer alternatives.
Researchers develop DNA Nanoswitch Calipers to measure distances within single molecules using force, enabling the identification of single proteins in samples. This technique creates a unique 'fingerprint' that can be used to identify known molecules or infer structural information about unknown ones.
Researchers create maps of senescence in heart and lung cells, comparing different types of senescent cells across the lifespan. The goal is to understand how senescent cells contribute to age-related diseases and develop therapies called senolytics.
A new study developed a successful approach for identifying proteins in different types of neurons in the brain of a living animal. The technique uses a virus to tag neighboring proteins, allowing researchers to analyze the entire proteome inside living neurons.