Scientists have developed a new imaging technique that enables the identification of proteins in cells by analyzing their energy flow. This technique, known as coherent two-dimensional infrared spectroscopy (2DIR), has been successfully tested in laboratory experiments and holds promise for improving protein analysis and discovery.
A team of researchers has developed a method to separate parasitic organisms from their host cells using fluorescent proteins, allowing for more detailed studies. The approach yielded the identification of 509 proteins in the parasites, providing valuable characteristics such as fatty acid degrading enzymes.
Researchers have successfully created new strains of infectious proteins called prions by mixing infectious prions from one species with normal prion proteins from another. This breakthrough could provide insight into the risk of prion diseases spreading between species and has significant implications for public health.
Researchers at Penn State have developed a computational method to trace evolutionary histories of proteins back to cells or viruses, aiming to settle the debate on which came first. The new approach uses phylogenetic profiles and tree-like diagrams to provide clearer insights into retroelement evolution.
Scientists have successfully detected changes in protein-water networks during protein folding using terahertz absorption spectroscopy. This technique allows for the observation of protein dynamics on a picosecond time scale, revealing new insights into the complex interactions between proteins and water molecules.
Researchers develop powerful tool for investigating gene function using siRNA and lentiviral vectors. The method enables long-term down-regulation of specific target genes in various cell types, facilitating cancer cell biology studies.
Researchers have developed a haplotype map of the human genome to study genetic diseases. The Cold Spring Harbor Protocols journal provides step-by-step instructions for analyzing HapMap data using tools like the Genome Browser and DDDP methods.
A new study found that elderly men with higher IGF-1 bioactivity have a significantly lower mortality rate compared to those with low bioactivity. The researchers used a new method to measure IGF-1 function, which revealed the association between high circulating IGF-1 bioactivity and extended survival.
Researchers at Carnegie Mellon University have developed a software toolbox that can automatically analyze protein patterns in human tissues. This tool can help identify biomarkers useful for cancer diagnosis and therapy, enabling a better understanding of how cells work and advancing disease detection.
Researchers developed a nano-bio-chip device that analyzes saliva to detect proteins associated with heart attack, offering a non-invasive and rapid diagnostic tool. The test can identify current heart attacks and predict future risk, potentially saving lives and preventing damage from cardiac disease.
Researchers at Uppsala University found that protein signal transfer may occur within small proteins, contradicting a previous study using statistical methods. Experiments showed nearby parts of the protein interact more than distant parts.
Researchers at the Wellcome Trust Sanger Institute have developed a novel method to identify weak and transient protein interactions. By analyzing over 6000 experiments in mammalian cells, they discovered 17 new pairs of interactions that could lead to novel therapeutic opportunities for diseases such as cancer, diabetes, and growth.
Researchers at UTMB have identified distinct subtypes of asthma using protein profiling, which could lead to tailored treatments. The study found four different asthma subtypes, including one associated with severe and treatment-resistant disease, offering new hope for more effective asthma therapies.
Cold Spring Harbor Protocols features methods to observe protein dynamics, including inserting lac operator sequences into mammalian cells and performing immunohistochemistry in whole mouse embryos. These techniques allow researchers to examine chromatin structure and protein activity during replication and transcription.
A Canadian research team uses IBM's World Community Grid to accelerate the analysis of cancer research data, unlocking insights into protein function and potential cancer-fighting drugs. With over 86 million images of proteins captured in 14.5 million experiments, this initiative aims to improve cancer diagnosis and treatment.
Researchers at UMass Medical School have identified a new pathway for cancer cell growth and survival, providing a blueprint for the design of novel anticancer agents. The study found that targeting the Hsp90 chaperone in the mitochondria can induce massive tumor cell death while sparing normal cells.
Eva Harth's system delivers drugs to specific intracellular compartments, including the brain, and reaches tumors in the lungs, brain, and spinal cord. It also enables delivery of peptides, proteins, DNA, and smaller chemical compounds.
A new study published in Science journal reveals the genetic makeup and biology of Giardia lamblia, a parasite causing diarrhea that affects millions. The research may lead to better diagnostic tools and treatments for giardiasis.
Heldwein's research aims to understand how herpesviruses enter host cells using structural and biophysical approaches. Her work has identified the shape of one protein that allows viruses to gain entry into cells.
Researchers have discovered that 'good' cholesterol can undergo detrimental changes in protein composition, making it 'bad' for the heart. The study identifies previously unrecognized proteins that play an important role in maintaining heart health.
Researchers discovered that increasing the body's ability to absorb amyloid-beta in the blood leads to a decrease in brain levels, halting symptoms. A modified version of the sLRP protein showed promise in mice and humans, promising a new treatment option for Alzheimer's.
Scientists have developed a novel approach to probing protein folding energy, revealing the slope and height of the energy barrier proteins must overcome. This method has the potential to shed light on how amino acid sequences affect protein function and how diseases arise from misfolding.
Scientists have developed a method to amplify vCJD prions from human brain tissue extracts, enabling recognition by existing detection methods. This breakthrough could aid in confirming whether someone is infected with variant CJD, crucial for preventing further disease spread through infected blood donations.
Researchers have developed a method to amplify prions from brain tissue samples using normal blood cells, improving detection test sensitivity. This breakthrough may lead to a blood test for screening individuals at risk of passing variant CJD through blood transfusion or surgery.
Scientists have discovered a single protein that can inhibit aging, which could hold implications for human longevity and treatment of diseases. The technique used to make the inhibiting proteins opens the possibility of developing new therapeutics.
The National Institute of Standards and Technology (NIST) has developed a new reference material for peptide analysis, which will improve the performance and reliability of experiments to measure peptides in biomolecular samples. The peptide standards project committee designed three synthetic peptides with varying lengths and net char...
Researchers at Johns Hopkins created a publicly available database on phosphorylation events in proteins, known as PhosphoMotif Finder. The database contains nearly all chemical changes nature makes by adding phosphate to proteins manufactured in human cells.
Two reliable methods are presented for creating and detecting specific proteins, as well as characterizing the activities of specific genes during embryonic development. The methods involve attaching a GST tag to a protein of interest or using a reporter protein to visualize gene expression in transgenic mouse embryos.
A team of researchers has developed a technique to identify and structurally characterize glycans, assemblies of sugars attached to proteins on cancer cell surfaces, which may lead to the development of diagnostic tools or therapeutic agents specifically targeting them.
A new method developed by Professor Jarl Wikberg at Uppsala University allows for the precise analysis of retroviral protein interactions with small molecules. This enables the prediction of effective drug candidates against various HIV-strain resistance.
The researchers created an inexpensive method to screen for millions of different biomolecules using tiny customizable particles. The technology has the potential to make possible the development of low-cost clinical bedside diagnostics and could be used for disease monitoring, drug discovery, or genetic profiling.
Nuno Bandeira's award-winning protein analysis technique allows scientists to study highly modified proteins in snake venom, potentially leading to breakthroughs in drug development and cancer research. The technique surpasses current methods by providing a completely automated approach to identify amino acid sequences and modifications.
A study has identified three proteins that can predict chronic lung rejection in transplant patients, offering new hope for early intervention and prevention. The proteins, which form a 'biosignature' of organ rejection, were found using advanced high-tech tools and analysis techniques.
Researchers analyzed thousands of proteins from brain tissue samples to find novel changes related to cocaine addiction. The study reveals profound effects on brain function and identifies potential new targets for medication development.
Cornell researchers have extended a top-down approach to analyze larger proteins containing over 2,000 amino acids, providing more efficient identification and revealing protein modifications. The new technique rivals the commonly used bottom-up approach, offering a complete picture of each protein and its modifications.
The latest issue of Cold Spring Harbor Protocols highlights over 50 new RNA interference methods for researchers to study gene functions in model organisms. These protocols provide detailed guidelines for handling embryonic stem cells, visualizing programmed cell death, and preparing cells for microscopic imaging.
Researchers have developed imaging methods to track gene expression and protein production in individual cells, providing precise data on single molecular events. This breakthrough enables the study of low-abundance proteins and sheds light on cellular regulation.
Researchers at Scripps Research Institute developed a new high-throughput screening methodology to analyze the functional elements of TRPM8 ion channel protein. This breakthrough could lead to the discovery of new pain therapies by identifying amino acid residues involved in menthol's interaction with ion channels.
Researchers at Yale University have developed a novel proteomic analysis method to diagnose and monitor preeclampsia. The study identified specific fragments of albumin and serpina-1 as characteristic biomarkers for the condition.
Dr. Culbertson is developing universally applicable methods for detecting and identifying proteins and peptides in very small sample volumes without tagging molecules. His goal is to miniaturize chemical analysis instrumentation for point-of-care diagnostics, improving disease detection and treatment.
Researchers found that women with preeclampsia and elevated uric acid levels had a nearly seven-fold increased risk of premature delivery and delivered nearly four weeks earlier than those with normal uric acid levels. High blood pressure without protein in the urine also linked to early delivery risks.
Researchers found that small prions are significantly more infectious than large ones, yet there is a lower size limit beyond which infectivity is lost. The study's findings suggest that treatments targeting large prion deposits may do more harm than good by releasing the most infectious particles.
Researchers create lab method to detect active anthrax proteins in blood samples with extremely low levels of concentration. The new system produces unambiguous results in about an hour, significantly faster than current methods.
Scientists successfully detected mad cow proteins in the blood of infected hamsters using a novel method called protein misfolding cyclic amplification (PMCA). The breakthrough could lead to a more effective test for detecting prions in cattle and human blood, reducing the risk of transmission through food and organ transplants.
The W.M. Keck Foundation has awarded a total of $25 million to 10 young scientists for groundbreaking research on human disease mechanisms. The recipients include Dr. Lu Chen, who aims to create functional synapses to reverse age-related cognitive decline.
Gene amplification is a common process in cancer cells that can lead to increased production of genes like MITF, which regulates tissue development and tumor progression. Researchers found an over-expression of MITF in melanoma tissue microarrays using the AQUA technology, correlating with decreased patient survival.
Researchers at UCI create a new method to rapidly discover antigens for vaccines, enabling the expression of hundreds of proteins in just one week. This technique addresses the bottleneck in processing large amounts of data from genome sequences, allowing for faster vaccine development and improved safety.
A Stanford researcher has devised a method to identify potential drug compounds using a network of over 150,000 home computers and innovative algorithms. The method accurately predicts how well molecules will bind to a given protein, which is crucial in drug development.
Scientists create cell chips using temperature-driven changes in a material, enabling the creation of custom-designed devices for experiments and medical applications. The technology has the potential to revolutionize tissue engineering and medical diagnostics by providing a low-cost, efficient way to create complex devices.
Researchers have used a bioinformatics approach to identify additional microRNA targets in fruit fly Drosophila, increasing the number of known targets from three to over 60. The study provides an important step towards understanding how microRNAs affect protein composition in animal cells.
The study reveals that nitric oxide alters protein interactions, leading to new insights into the underlying causes of disease and potential new therapies. The findings suggest that NO regulates a broad spectrum of cellular reactions, potentially underlining some disease symptoms.
The Von Liebig Center has awarded funding to six University of California, San Diego (UCSD) faculty projects, focusing on commercializing innovative technologies. Two projects in the Bioengineering department aim to improve cooling fan efficiency and detect infectious agents using electric field-induced fluctuation methods.
The Virtual Mass Spectrometry Laboratory (VMSL) is an interactive educational tool that allows students to learn how to solve real problems in various scientific disciplines. The system connects students to data files from four mass spectrometers, enabling them to analyze compounds and proteins using different instruments.
The team uses near-field Raman microscopy to illuminate nano-sized structures with light, allowing them to identify material composition and structure. This technique has the potential to revolutionize biology by enabling scientists to understand cell membrane function and develop designer medicines.
Researchers at PNNL have identified nearly twice as many proteins in human blood serum as previously known, including low-abundance proteins that play crucial roles in cell signaling. The study provides a significant advance in understanding the proteome of blood serum and its potential applications in disease diagnosis.
A new, high-throughput mass spectrometer has been developed at the Pacific Northwest National Laboratory, providing unparalleled sensitivity and accuracy. This system enables the thorough identification and characterization of proteins, which is crucial for understanding cellular function, disease progression, and treatment options.
The partnership aims to advance biomedical research through collaboration between biologists and mathematicians/scientists. The new awards will support projects in areas such as disease modeling, HIV dynamics, and bioinformatics.
Researchers are using nature's existing engineering networks to develop more efficient and sustainable methods for engineering organisms. This approach allows for the introduction of desirable traits without stressing the organism, making it a promising area of research for biosensors, enzyme development, and future medical applications.
Researchers from the University at Buffalo have developed a programmable 'Sugazyme' that can efficiently attach unnatural amino acids to proteins. The technology has the potential to aid researchers working in proteomics by expanding the amino-acid repertoire for protein synthesis.
Researchers successfully determined the subcellular localization of over 2700 yeast proteins using a high-throughput method. By predicting the localization of all 6100 yeast proteins, Dr. Snyder and colleagues provided insight into nearly half of previously uncharacterized yeast proteins.