Articles tagged with Blood
Researchers found a protein marker for schizophrenia risk in immune cells, with alpha defensin levels significantly elevated in patients and discordant twin pairs. This discovery could lead to the development of a simple blood test to evaluate schizophrenia risk.
Researchers have created the first outline of aortic arch development and identified the role of the gene unc45a in forming AVMs. The study provides new understanding into how these congenital circulatory defects develop, shedding light on genetic and physiological factors that contribute to their formation.
Researchers discovered a strong association between elevated fetuin-A levels and the development of type 2 diabetes in older adults. The study found that higher fetuin-A levels were associated with a significantly increased risk of diabetes, with the strongest association seen in the third highest quartile of fetuin-A levels.
A recent study published in The Lancet found that extracorporeal life support (ELS) combined with conventional CPR significantly improves survival rates in adult hospital patients who experience cardiac arrest. ELS enhances coronary blood flow and keeps heart tissue alive, leading to better 30-day and 1-year survival outcomes.
Researchers have developed a treatment using hydrogen sulfide to induce reversible metabolic hibernation, significantly improving survival rates for rats after extreme blood loss. The study found that 75% of treated rats survived at least two weeks compared to 23-14% in control groups.
A study of 3258 patients found that low blood levels of vitamin D were associated with a higher risk of death from cardiovascular causes and all causes. Individuals with lower vitamin D levels had higher rates of mortality, including those due to coronary artery disease, hypertension, and cardiovascular events.
Researchers have developed a method to classify liver toxins using gene-expression profiling of blood samples, improving the precision of compound classification. The study highlights the importance of 'phenotypic anchoring' in linking gene expression data analysis to traditional measures of toxicology.
A long-term study has found that childhood stress can increase the risk of developing allergies, with higher levels of stress-related peptide VIP detected in children who experienced life events like moving house or parental separation. Researchers also found a link between stress and immune system regulation, but not severe illnesses ...
A five-year clinical trial has shown that computer-assisted dosage of blood thinning drugs is at least as safe and reliable as those provided by expert medical professionals. The study involved over 13,000 patients and nearly 400,000 INR tests, confirming the effectiveness of computer-assisted dosage.
Researchers have identified potential biomarkers for growth hormone that could aid in detecting doping in athletes. Several proteins increased or decreased in the blood of mice treated with growth hormone, offering new possibilities for testing.
Research from the University of Pennsylvania reveals that hyponatremia is associated with worse right heart function and poorer patient outcomes in PAH patients. The study found that low serum sodium levels are linked to higher mortality rates, hospitalization rates, and severity of right heart failure.
Aortic aneurysms affect 5% of Americans, with a mortality rate of up to 80%. Researchers at Carnegie Mellon University are developing a computational system to predict when ruptures will occur. The tool aims to provide physicians with a more scientific understanding of the relationship between blood flow and vascular disease.
Research suggests that low levels of vitamin D are associated with a higher risk of heart attack in men. A study of 454 men found that those with vitamin D deficiency had an increased risk compared to those with sufficient levels.
A new study from Michigan Medicine found that nearly half of heart surgery patients experience sustained high glucose levels, even without a history of diabetes. Patients with obesity, older age, and high blood sugar levels two days after surgery are most likely to need temporary insulin treatment.
Treating acute heart attacks with thrombus aspiration results in improved 1-year clinical outcomes, including lower cardiac death rates and fewer non-fatal heart attacks. This innovative approach to treatment appears to be more effective than traditional percutaneous coronary intervention (PCI) alone.
A retrospective cohort study of 10,000 patients aged 65 and older found that only 20% received thromboprophylaxis to prevent life-threatening venous thrombosis after discharge. Elderly patients have a 70% lower risk of dying within 3 months if they take an anticoagulant drug.
Researchers found an avian malaria parasite in a Spotted Owl from Oregon, sparking concerns about the bird's immune health and conservation status. The study highlights the need for further research into blood-borne pathogens in wild bird populations.
A new analysis suggests that healthy postmenopausal women with normal blood cholesterol levels are at no increased short-term risk for heart attack when taking hormone therapy. Women with a low LDL to HDL ratio have an even lower risk of heart attack or death from hormone therapy.
A study funded by the National Institutes of Health found that reducing early blockages in bloodsstream access does not increase the likelihood that the access will function adequately for long-term treatments. Fistulas are the preferred type of access since they clot less often, experience fewer infections, and are less costly.
Sixteen- and 17-year-olds are more likely to experience donation-related complications such as fainting and bruising compared to older donors. Complications were found in 10.7% of donations by teens, with injuries from fainting being uncommon but severe enough to require medical care.
Researchers discovered a link between high oxidized LDL levels and increased risk of developing metabolic syndrome, which can lead to heart disease. Those with the highest levels of oxidized LDL were 3.5 times more likely to develop metabolic syndrome over five years.
A study has found a possible connection between long-term marijuana use and an increased risk of heart attacks and strokes. Heavy marijuana users showed significant increases in apolipoprotein C-III levels, which may be related to the delayed breakdown of triglycerides.
A new study reveals that diet and lifestyle are not the only factors influencing blood protein levels, with genetics playing a significant role. The study identified variations in genes associated with key proteins like HDL cholesterol and interleukins, which play roles in inflammatory diseases.
A study found that low vitamin D levels and high parathyroid hormone levels are associated with depression in older adults. The researchers measured blood levels of vitamin D and parathyroid hormone and assessed symptoms of depression among 1,282 community residents.
A study found that children's blood lead concentrations at age 6 are associated with reduced IQ and gray matter volume in the prefrontal cortex, highlighting a critical period of vulnerability. Research suggests that even lower levels of lead exposure can result in measurable deficits in cognitive development and behavioral problems.
A team of researchers from the University of Pittsburgh School of Medicine has identified a unique combination of blood proteins that distinguish IPF patients from normal controls with extraordinary sensitivity and precision. The five protein signature may help monitor lung fibrosis, detect disease progression, and evaluate treatment e...
Researchers in the Netherlands used Luminol to detect traces of blood on surfaces in their haemodialysis unit, highlighting infection risks. The results suggest that Luminol can be used as part of a hospital infection control regimen to monitor cleaning and disinfection procedures.
The US Department of Homeland Security has developed a wearable hood for emergency escape with 15-minute chemical protection. The EH-15 mask provides protection against chemicals and biologics, has a three-year shelf life, and highly efficient particulate filters.
Scientists are developing a new proteomics project to identify biomarkers for chronic liver disease, which could help predict the progression of the disease and lead to early interventions. The technology aims to detect liver disease via blood test, with potential applications in other diseases and commercialization.
Researchers found that multislice CT scans (MSCT) combined with D-dimer measurement were as effective as using MSCT alone and venous ultrasonography of the leg in detecting pulmonary embolism. This approach eliminates the need for venous ultrasonography, making it a cost-effective diagnostic strategy.
A recent meta-analysis of 15 studies involving over 70,000 participants identified six new genes linked to type 2 diabetes. The study, published in Nature Genetics, confirms that insulin-producing cells play a crucial role in the disease's development.
Researchers have discovered a protein profile in the blood that can help diagnose and treat chronic sinusitis with a totally objective test. This breakthrough may aid in more effective management of the disease, which is characterized by recurring nasal congestion, difficulty breathing, and sinus pressure.
A study of 804 individuals with early Parkinson's disease found that those with higher blood urate levels were less likely to progress and required dopaminergic therapy. The association suggests that urate may protect dopamine-producing neurons, potentially leading to the development of new therapies.
Research found that medial breast tumors primarily receive blood from internal mammary vessels, while lateral tumors have a more complex blood supply. This study supports the use of MRI for analyzing breast cancer's impact on surrounding anatomy, particularly vascular supply and lymphatic drainage.
During WWII, physiologists developed altitude chambers to study high-altitude effects on humans. They trained animals to parachute and discovered techniques to prevent decompression sickness and hypoxia. These innovations paved the way for pressurized aircraft and safer air travel.
Cornell researchers have identified 63 proteins in male mosquitoes' seminal fluid that can suppress female appetite for mammalian blood and stimulate egg production. The study's findings could lead to novel strategies to prevent dengue virus spread, a disease affecting 50 million people annually.
A tiny variation in the CHI3L1 gene increases blood levels of YKL-40, a biomarker for asthma. The genetic variation also lowers YKL-40 levels and protects against asthma. Researchers found similar connections between the CHI3L1 variations, YKL-40 levels and asthma susceptibility in three genetically diverse populations.
A recent Université Laval study reveals that omega-3 intake during the last months of pregnancy has a positive impact on an infant's sensory, cognitive, and motor development. The study found a strong correlation between DHA concentration in umbilical cord blood and infant visual acuity and cognitive development.
Researchers discovered that atypical antipsychotic drugs like olanzapine can disrupt energy metabolism in male rats, leading to increased blood sugar levels and abdominal fat storage. The study suggests that these changes may occur earlier than previously thought and could have implications for human health.
Researchers found that a common asthma medication can improve smell function in individuals with biochemistry-based hyposmia. The study used 369 participants and showed significant improvements in over 70% of patients, with no correlation between blood levels and treatment efficacy.
A new blood test, NuroPro, measures 59 protein biomarkers to distinguish between Parkinson's, Alzheimer's and other neurodegenerative diseases. The test has been welcomed by researchers but larger studies are needed to confirm its effectiveness.
Scientists report proteins in alligator blood may provide powerful new antibiotics to combat diabetic ulcers, severe burns, and antibiotic-resistant infections. Additionally, experts foresee 10 years of R&D to make solar energy competitive with petroleum.
A UCI-led study found that coronary calcium detection is a significant predictor of heart attack and disease for diverse groups. The non-invasive procedure uses CT scanning to detect calcium deposits in coronary arteries, which can be valuable for promoting overall cardiac health.
Researchers developed a technique to extract small amounts of hemolymph from fruit flies, which could expedite understanding of neural physiology and disease mechanisms. The new method is more efficient and precise than traditional methods, allowing for individual organism analysis.
A study published in Neurology found that Hispanics with even small amounts of plaque build-up in the carotid artery are up to four times more likely to suffer or die from a stroke or heart attack. The study also highlights the importance of measuring plaque thickness by ultrasound as a simple tool for guiding stroke prevention therapies.
In a phase II trial, patients with varicose veins treated with Varisolve foam experienced no neurological, visual or cardiac changes. The study used carbon dioxide-based foam and monitored patients with heart defects for potential risks.
A reliable blood test for Parkinson's disease could revolutionize care and research, according to a new study. The test uses a 'metabolomic profile' to identify unique changes in dozens of small molecules in serum that are linked to the disease.
A large-scale study published in the American Heart Association rapid access journal report found that cigarette smoking is a significant predictor of stroke in Chinese men. Researchers analyzed data from over 170,000 participants and found that smokers were 2-3 times more likely to suffer an ischemic stroke compared to never-smokers.
The NHLBI has published its first US clinical practice guidelines for von Willebrand Disease, a condition that affects 1 in 100 to 1,000 people. The guidelines provide recommendations for screening, diagnosis, and treatment of the three major types of VWD, emphasizing proper diagnosis and treatment to prevent complications.
A new study by researchers at the University of Illinois Chicago has identified a crucial enzyme for bacterial growth in blood, offering a potential target for antibiotics. The study found that most E. coli bacteria strains cannot grow in human blood if they lack a specific gene involved in nucleotide biosynthesis.
Researchers at Indiana University School of Medicine have isolated biomarkers in the blood that identify mood disorders, providing an objective tool for diagnosing and assessing the severity of illness. The discovery may alter the way bipolar illness is diagnosed and treated, offering a new approach to psychiatric treatment.
A new approach identifies five genes involved in myelination and six genes involved in growth factor signaling as potential biomarkers for high and low mood states. The study suggests that blood biomarkers may offer an informative window into brain functioning and disease state.
A study examining long-term outcomes following blood clots found that patients with pulmonary embolism are at higher risk of experiencing recurrent clotting, major bleeding episodes, or death. The research also highlights the need for better anticoagulation strategies to reduce complications in the community setting.
Scientists at the University of Leicester have developed new Doppler ultrasound techniques to detect emboli, reducing intra-operative and post-operative stroke rates by 96% and 99.3%, respectively. The 30-day death/stroke rate has also fallen from 6% to 2.6%.
A new portable detection system developed by PNNL can accurately detect toxic lead and other heavy metals in blood, urine, and saliva samples. The device is field-deployable, battery-operated, and provides quicker results than current state-of-the-art mass spectrometry systems.
A new study found that vehicle interlocks significantly reduce DWIs among first-time offenders, with a 60% lower risk of repeat offenses. This economic benefit is substantial, saving $3 for every dollar spent on interlocks.
Crocodilians divert blood through a special vessel called the left aorta to bypass their lungs during digestion. This unique system enables them to secrete gastric acid at an unprecedented rate, facilitating digestion and survival. By shunting CO2-rich blood straight to the stomach, crocodilians maintain optimal digestive conditions.
Researchers identify genetic mutations in MTHFR and Factor V as significant contributors to blood clots and tissue injury in the placenta. These mutations may lead to increased risks of preterm birth, intrauterine growth restriction, and preeclampsia.
A collaborative analysis of 18 prospective studies found no link between circulating sex hormones and prostate cancer risk. High levels of male sex hormones were previously thought to be a risk factor, but the results indicate that testosterone and estrogen do not play a significant role in prostate cancer development.
A novel treatment for DVT uses a fiber-binding agent to clear clots rapidly and safely, with 90% of patients experiencing complete resolution of symptoms after six months. The therapy reduces the risk of bleeding and post-thrombotic syndrome, enabling patients to resume normal activity within a week.