Virginia Tech researchers create supramolecular complexes with multiple capabilities, including new DNA binding properties and solar energy conversion potential. The complexes are formed by connecting metal-based molecules using polyazine ligands, allowing for the creation of diverse systems with unique properties.
The study identified 46 genes overexpressed in tumor endothelium, up to ten fold, and 33 genes expressed at significantly lower levels, revealing a different environment for tumor growth. The researchers believe endothelial cells are promising therapeutic targets to halt cancer cell growth.
A consortium of researchers found that isocitrate lyase (ICL) enables the tuberculosis bacterium to use fatty acids as energy. Disabling ICL crippled the bacterium in its persistent phase, suggesting a potential target for TB therapies. Current treatments are often ineffective due to the bug's ability to persist in the body.
A UBC research team led by Prof. Chris Overall discovered a protein that reduces inflammation and halts the flow of white blood cells. The discovery, published in Science, may lead to new treatments for chronic inflammatory diseases such as arthritis and lung disease.
Chemist David L. Van Vranken receives Arthur C. Cope Scholar Award for his studies of protein reactivity patterns, which have led to the development of new drugs targeting cancer and other diseases. His research has also shed light on the effects of aging and environmental factors on proteins in the body.
Columbia University researchers have identified a target molecule called RAGE that contributes to cellular damage in diseases like diabetes, cancer, and Alzheimer's. Blocking RAGE has shown promise in halting or reversing cellular damage in animal studies.
Researchers have identified the protein that transports glutamate, a key player in brain function, offering a potential new target for treating diseases such as Alzheimer's and Parkinson's. The discovery could lead to therapies that either reduce or increase glutamate release, depending on the specific condition.
A new study reveals that gadolinium zirconate is highly resistant to radiation, outlasting ceramic materials currently considered for plutonium disposal by millions of years. This finding makes it a leading candidate for the immobilization of plutonium, a nuclear contaminant with a long half-life.
A newly identified protein called palladin is being explored for its influence on biological processes including cancer spread and wound healing. Palladin appears to play a critical role in determining cell shape via the actin cytoskeleton, with different forms of the protein involved in tight adhesion and movement.
Deep breathing reduces adverse effects of methacholine on healthy lung function by 85%, potentially providing therapeutic options for asthmatics. The study suggests that deep breaths stretch lung tissue, releasing a protective chemical to keep airways open.
Researchers found that cortisol levels remained steady or rose in some people after discussing positive relationship history, despite expecting a decrease. Women who experienced this were more likely to be divorced from their husbands.
Researchers at UC Irvine have discovered a protein called calsenilin that can offset calcium imbalances in brain cells, which contribute to the development of early-onset familial Alzheimer's disease. This finding may lead to pharmaceutical therapies and preventive measures to halt the progression of this neurological disorder.
Scientists have successfully implanted the lens of a sighted fish into cavefish, resulting in the growth of a normal eye. This breakthrough may provide new avenues for understanding the genetic factors involved in eye growth and development, potentially leading to improved treatments for certain forms of blindness. Further research is ...
Researchers at CU-Boulder have discovered a second underwater church in the ancient port city of Aperlae, suggesting it was a magnet for pilgrims traveling to and from the Holy Land. The settlement, which likely supported around 1,000 people, featured multiple churches, public baths, and self-sustaining agriculture.
A study of over 5,000 children's stories found that girls with aggressive themes tend to exhibit behavioral problems at home and school. Researchers suggest engaging children in play to help them work through issues, rather than inhibiting it.
Researchers discovered a simple geometric explanation for protein spiral shapes, which could aid in understanding protein functions and structures. The finding uses mathematical ideas to optimize protein shape for maximum 'thickness,' leading to the natural occurrence of helical motifs in proteins.
A study found that antibodies in patients with primary Sjogren's syndrome bind to small nerve endings, blocking transmission and causing severe dryness of the eyes and mouth. Researchers hope to use this discovery to develop new treatments for autoimmune diseases.
A new study by researchers at Dartmouth College found that fertilized lakes in Ontario, Canada, exhibit unpredictable algal composition and abundance fluctuations from year to year. This unpredictability makes it challenging for lake managers to make accurate predictions for planning management and research efforts.
Researchers discovered how E. coli O157:H7 causes massive cell death in humans, leading to organ failure and death. The bacteria's verotoxins trigger programmed cell death through a Bcl-2 protein sequence, offering potential new treatments for food poisoning.
Researchers at University of Toronto have identified a common principle underlying brain cell death in neurodegenerative disorders. They propose a 'one-hit' model, where cells die after a single catastrophic event, rather than gradual damage over time.
Scientists have identified mating behavior in Candida albicans, a fungus long thought to reproduce only by splitting itself. This discovery promises to accelerate research into the fungus and enable researchers to better understand its biology and identify new drug targets.
Scientists at UCSF have identified a molecule, S1P, that guides the union of two primordial heart tubes in zebrafish embryos. This discovery sheds light on the critical role of S1P in human heart development and may provide insights into other cellular processes such as wound healing.
A team of scientists at Cornell University has discovered a genetic connection between the evolution of plump fruits and vegetables and the growth of human cancer cells. The study identified a single gene called ORFX that plays a key role in plant fruit development, similar to the human oncogene c-H-ras p21.
Scientists at the University of Illinois have discovered a way to spontaneously assemble chemicals into ribbon-like tubules that resemble bacterial cell walls. These micrometer-sized tubules have potential applications in drug delivery systems and as templates for synthesizing inorganic nanostructured materials.
Researchers at Rosetta Inpharmatics used Flexjet DNA microarray technology to analyze the role of changes in chromosome number on gene expression, showing large-scale biases that affect cellular processes. The study provides a novel tool for evaluating aneuploidy and its potential applicability to human cancer cells.
A team of scientists at UCSF has identified five proteins that trigger the immune system to attack cancer cells, marking them for swift destruction by NK cells. The discovery increases the number of known targets for drugs or vaccines to boost the immune system's natural cancer-fighting ability.
A new TB drug candidate, PA-824, has been shown to be effective against MDR strains of the bacteria. The compound, developed by PathoGenesis Corporation with assistance from NIAID's Laboratory of Host Defenses, works by preventing MTB from forming an important fatty acid component of its cell walls.
The Kaposi's sarcoma virus employs a novel strategy to evade the immune system by removing sentries on cell surfaces and shipping them for destruction. Researchers identified two viral genes that reduce MHC-1 proteins at the cell surface, allowing the virus to spread more widely.
Scientists have created a novel dinucleotide molecule that appears to outlast existing treatments in cells. The integrase inhibitor has the potential to prevent HIV infection by blocking its ability to replicate in non-infected human cells.
Researchers have found a genetic link between IKK-gamma gene and the rare human disease incontinentia pigmenti, which affects skin and its derivatives. The discovery provides a nearly perfect mouse model of the disease, enabling thorough study and development of diagnostic and screening tests.
Researchers found that macrophages can recognize foreign cells using the CD47 protein, not MHC class I as previously thought. This discovery challenges an important dogma and has implications for autoimmune diseases and ovarian cancer.
Researchers study energy consumption in insect brains to better understand human brain function and develop more effective treatments for stroke patients. The team's findings could also improve our understanding of state-of-the-art scanning techniques like MRI and PET.
A new study published in Nature magazine suggests that warmer temperatures and changing precipitation patterns are affecting the growth rates of white spruce trees in Alaska. The researchers found that drought-like conditions are inhibiting tree growth, leading to a reduced capacity for these trees to absorb carbon from the atmosphere.
The UCSD Superfund program will conduct projects on 20 toxic contaminants, studying their effects on humans, animals, and the environment. Researchers will use molecular biology and recombinant DNA technology to develop tools for evaluating health risks and minimizing hazardous risks.
A breakthrough in nanolithography transforms dip-pen nanolithography into a parallel process, paving the way to mass-producing tiny nanostructures. The new eight-pen nanoplotter can create identical patterns with consistent line widths and requires only one feedback system.
A University of Florida research team discovered parts of the Antarctic ice sheet were unstable during Northern Hemisphere warming spikes. The findings suggest polar ice can undergo huge and rapid changes tied to climate, implying potential future instability.
Researchers from OSU discovered that some Hawaiian sea mounts were influenced by the existence of a mid-ocean ridge subducted under present-day Siberia. The findings provide more evidence on how volcanic hot spots interact with tectonic plates.
Researchers found that blind naked mole-rats disperse from their natal colonies to seek new partners and form new colonies, challenging the assumption that inbreeding is the norm for these eusocial creatures. The study also revealed that outbreeding is the preferred breeding system of choice for mole-rats.
Researchers at NYU and MIT have created a peptide-based scaffold that supports living nerve cells, enabling the growth of functional synapses. This breakthrough discovery offers new hope for repairing damaged nervous systems, including spinal cord injuries.
Researchers at Cincinnati Children's Hospital Medical Center have identified eotaxin as a critical protein in the development of food allergies. By blocking eotaxin, new drugs may prevent allergic reactions in the gastrointestinal tract, providing hope for those affected by food allergies.
Researchers have produced complete maps of CO emission in IC 10, a nearby dwarf irregular galaxy. This observation may offer insights into the formation of stars in the early universe. The team discovered that molecular gas generally lies near dense atomic hydrogen and young, recently formed stars.
Researchers identified two natural human antibodies that restored myelin sheath and promoted nervous system repair in mice with demyelinating diseases. The discovery holds promise for developing new treatments for conditions like multiple sclerosis.
The FDA has approved a new cancer treatment using microscopic glass beads that deliver localized radiation to liver tumors. The treatment involves injecting radioactive glass beads into the liver, where they kill malignant cells with minimal side effects.
Researchers propose a 10-year effort to understand Arabidopsis genes and their interactions. The goal is to build a complete "wiring diagram" of the plant's biological pathways and create a 'clickable plant' for interactive exploration.
Compressing coronary angiograms for delivery over telephone or computer lines can lead to diagnostic errors, according to researchers. Image quality is progressively lost with increasing compression, making it difficult for clinicians to detect subtle diagnostic features.
Researchers discovered how brain fills in missing information to help us perceive objects, even when they're partially blocked. This process allows for consistency and continuity in our visual world, enabling us to recognize shapes and objects accurately.
The $16.3 million grant will fund a Neuroscience Mutagenesis Facility to create at least 50 new mouse models annually for neural diseases such as epilepsy and neurodegenerative disorders. The program aims to address the 'phenotype gap' in human disease study by utilizing powerful genetic tools like genome-wide mutagenesis.
A NYU team has developed a molecule with switchable chirality by adding copper ions to methionine, which can be repeatedly switched and polarize light in opposite directions. This discovery could have significant implications for molecular computing and chiral material applications.
A study found that recently detoxified male alcoholics experience significant cognitive and motor deficits, particularly in gait and balance. These impairments can lead to an increased risk of falls and may be linked to the 'premature aging hypothesis,' where the brains of older alcoholics resemble those of non-drinkers.
Researchers have identified a compound in tobacco that inhibits an enzyme that breaks down key brain chemicals, potentially offering protection against Parkinson's disease. The discovery opens up new avenues of research and may lead to the development of neuroprotective compounds.
Scientists at the University of Michigan School of Dentistry have developed a method to create bones from skin and gum tissue cells, which can be used to replace missing bone in living rats. The engineered cells not only deliver bone-forming proteins but also participate directly in bone formation.
Astronomers used Chandra to survey the Hubble Deep Field North, detecting six galaxies that defy expectations with their high rate of star formation and giant black holes. The discovery indicates that only 15% of submillimeter sources can be luminous X-ray sources.
Researchers have successfully created genetically engineered mice that cannot produce their own vitamin C, a nutrient essential for growth and healthy tissues. These 'humanized' mice will aid in understanding vitamin C's role in diseases such as heart disease and cancer.
A new UF study contradicts dire predictions that prenatal cocaine exposure leads to misbehavior in toddlers. Researchers found no significant behavioral problems in cocaine-exposed children, suggesting poverty and environment may be the cause.
Researchers at Oregon State University have discovered a new class of chemicals called 'bruchins' that signal a plant to form a benign tumor, helping prevent insect infestation. The unusual chemical can induce tumor formation even at low levels, with precise effects on the plant.
Researchers found that mice with a missing gene for Protein Kinase A drank twice as much alcohol and recovered in about 65 minutes from intoxication. The study suggests PKA may play a role in regulating voluntary consumption of alcohol and sensitivity to its effects.
A team of biologists at UCSD identified three genes that produce the 'double flower' abnormality, which is prized for its attractiveness. Normal flowers consist of four rings or whorls; when these genes are mutated, petals, stamens and carpels are converted into sepals, resulting in a double-flower character.
The Howard Hughes Medical Institute has selected 48 talented researchers to join its investigator program, including 12 in computational biology. The new recruits will contribute to biomedical advances in areas like genomics and cognitive neuroscience.
Scientists have pinpointed the first gene in fruit fly Drosophila that is a target of an alternate control molecule, TRF1. This discovery opens up new avenues for understanding how gene expression is regulated, with potential implications for complex organisms like humans.
The Canadian Arthritis Network hosted a conference showcasing advancements in arthritis research and one-stop services for industry and government. The event featured key developments in therapeutics, diagnostics, and devices.