Articles tagged with Blood
Research reveals that oxytocin is ingested by intestinal villiated epithelial cells via RAGE receptors after gut closure. This mechanism enables oxytocin to be orally administered as a medication and/or nutrient supplement in milk, promoting social brain development and communication.
A study published in JAMA found that biomarkers indicating diminished ovarian reserve were not associated with reduced fertility in women aged 30-44 attempting natural conception. Low AMH or high FSH levels were not linked to lower fecundability or cumulative probability of conceiving.
A new study published in Mayo Clinic Proceedings has found that individuals with lower serum calcium levels are more likely to experience sudden cardiac arrest. The research, which analyzed data from over 200 SCA cases and 445 control subjects, suggests that even normal-range serum calcium levels may pose a risk for SCA.
A study published in JAMA found that older adults taking blood-thinning medications are at a higher risk of hematuria-related complications, including emergency department visits and hospitalizations. The prevalence and severity of these complications are largely unknown, highlighting the need for further research.
A recent study published in The Journal of Nutrition found that adolescents consuming the least amount of vitamin K1 were at a higher risk for unhealthy enlargement of their heart's major pumping chamber. This association was independent of other factors such as physical activity and blood pressure.
The nation's public cord blood banks provide benefits for patients and the research community, outweighing costs. Researchers recommend standardizing payment and encouraging diverse collection practices to strengthen the system.
A new study published in the Journal of the American Medical Association found that genetic testing can help set safe doses of common blood thinner warfarin. The study showed that patients who received warfarin dosing guided by their genetic makeup had a 27% reduction in adverse events, including bleeding and blood clots.
A new study found that genetic testing can help determine the optimal dose of warfarin, reducing major bleeding, blood clots, and warfarin overdose. The study used genetic variants to guide warfarin dosing in patients undergoing joint replacement surgery.
Researchers discovered intricate finger-like structures with suckers on the tip of the saliva tube, a previously unknown feature. This finding adds to our understanding of the African tsetse fly's unique feeding mechanism and its role in spreading human sleeping sickness.
A study confirms that blood metal ion levels can predict patients with low risk of ARMD (Adverse Reactions to Metal Debris) after metal-on-metal hip replacement. Using implant-specific cutoff points identifies all but 2.8% of ARMD cases, outperforming fixed regulatory authority thresholds.
A recent study published in Neurology found that both high and low levels of magnesium in blood may increase the risk of developing dementia. The research involved 9,569 participants who were followed for eight years, with those having high or low magnesium levels showing a 30% higher risk of dementia compared to the middle group.
Researchers at Aarhus University have uncovered how PCSK9 breaks down LDL receptors, leading to higher LDL cholesterol and increased risk of blood clots. The new knowledge enables the development of more efficient and cheaper PCSK9-inhibiting medicine.
A new trial found that continuous glucose monitoring during pregnancy reduces the number of babies born larger than average, need for intensive care, and pre-eclampsia rates. Birth outcomes improved significantly for mothers using the device compared to traditional finger-prick tests.
A new study suggests that nearly 11% of Medicare participants with diabetes have very low blood sugar levels indicating over-treatment. However, only 14% of these patients had a reduction in blood sugar medication refills in the next six months.
A study suggests that walkable neighborhoods reduce the risk of prediabetes among immigrant populations, with higher incidence rates found in less walkable areas. The research found significant differences in prediabetes development across ethnic groups, with some populations experiencing reduced risks in high walkability areas.
A new study suggests that correcting vitamin D deficiency in young and middle-age women can reduce their future risk of multiple sclerosis. Deficient levels of vitamin D were found to be associated with a higher risk of developing MS, with a 39% decrease in risk for each 50 nmol/L increase.
The new Canadian guideline recommends one-time ultrasonography screening for abdominal aortic aneurysms in men aged 65-80, while not screening women or older men. The guideline is based on evidence from randomized controlled trials and aims to reduce mortality, rupture, and emergency procedures.
A 67-year-old man developed cyanide poisoning after taking apricot kernel extract daily for five years, exceeding safe levels by 25 times. The case highlights the risks of consuming unregulated herbal supplements and the importance of proper medical evaluation.
A recent study discovered that cortisol levels in horses showing signs of compromised welfare were lower than those without such issues. This challenges the conventional view of cortisol as a sole indicator of stress and highlights the need for alternative measures to assess equine welfare.
Children who lived near the World Trade Center on 9/11 are showing early signs of increased risk for future heart disease due to exposure to toxic chemicals. Blood tests revealed elevated levels of artery-hardening fats in their blood, linked to higher blood levels of perfluoroalkyl substances (PFASs).
Lower levels of alcohol may decrease the risk of developing an abdominal aortic aneurysm until approximately 15-20 g/day, according to a large analysis of published studies. The study found that quitting smoking remains the most effective way for people to stay healthy and active for longer.
A study of over two million Swedish siblings found an association between height and risk of venous thromboembolism, with shorter participants experiencing a lower risk. The study suggests that gravity may play a role in the increased risk for taller individuals.
Researchers developed a combined 'liquid biopsy' that detected markers from both DNA and protein products of DNA, showing twice the accuracy of detection as DNA alone. The test identified early-stage pancreatic cancer in 64% of patients, improving on the 30% detection rate achieved with DNA testing alone.
A pilot study found changes in blood-based miRNAs associated with gene regulation in veterans affected with combat-related PTSD. The research suggests that these molecules could serve as candidate biomarkers for screening and understanding trauma-related psychiatric disorders.
A recent CARBS study showed that salacia extract reduces appetite and manages blood sugar levels by improving glycemic indices and gut hormones in healthy overweight/obese individuals. The proprietary extract, OmniLean, also reduces spikes in blood sugar and hunger pangs.
Peter Vitiello receives NIH grant to investigate oxygen-sensitive molecules influencing lung growth in premature infants. The research aims to reduce the burden of lasting lung disease, which can have life-long effects.
A new study found that at least 30-45% of athletes surveyed at top events acknowledged using banned doping techniques, while official biological tests only detected 0.5-3.6% of cases. The study used a randomized response method to ensure anonymity and honesty from respondents.
Researchers have found that bacterial cell wall constituents can cause abnormal clotting, leading to inflammation in Type 2 diabetes. A new treatment option involves using LPS-binding protein (LBP) to reverse this process, offering a new approach to treating the disease.
A new study has confirmed the safety and efficacy of a rapid algorithm to rule-out and rule-in myocardial infarction. The algorithm uses high-sensitivity cardiac troponin blood concentrations to diagnose patients with acute chest pain, allowing for quicker triage and early initiation of evidence-based therapy.
Researchers found that extremely high HDL levels are associated with a higher mortality rate than normal levels. Men with extremely high levels had a 106% higher mortality rate, while women had a 68% higher mortality rate. The study suggests that the focus on HDL as an important health indicator may need to be revised.
Researchers used a molecular adsorbent recirculating system (MARS) to provide time for healing or transplant in patients with severe acute liver failure. The study found improved survival rates and recovery of liver function in patients who received MARS therapy.
Researchers found that certain gut bacteria, such as Bacteroides and Clostridium, can predict brain metabolites like serotonin and myo-inositol, which are altered in individuals with autism. The study suggests a potential mechanism by which the gut microbiome communicates with the brain through cortisol.
A new study suggests that clinical signs, such as gastrointestinal problems and septic arthritis, are better indicators of mortality in neonatal calves with diarrhea than blood pH levels. The research found that these clinical signs were significant determinants of mortality, while blood pH levels were only a predictor when they droppe...
Researchers identified genetically targetable alterations in 66% of patients with cancer of unknown primary (CUP), a rare disease. The study used circulating tumor DNA in blood samples to detect these alterations, which could be targeted using existing FDA-approved drugs or therapies currently under investigation.
A yearlong study found that well-designed online education can decrease nonadministration rates of prescribed blood thinners to prevent venous thromboembolism. Nurses who completed an interactive education module showed a greater reduction in non-administration rates compared to those who received traditional voice-over instruction.
A new blood test can detect miniscule amounts of cancer DNA released into the blood, allowing for rapid detection of genetic mutations. This test has the potential to be personalized to recognize mutations unique to individual cancers.
A single-center study in Brazil found Zika virus infection associated with a diverse spectrum of serious neurologic syndromes, including Guillain-Barré syndrome and encephalitis. The study suggests serologic and molecular testing as an alternative diagnostic strategy in developing countries.
Researchers developed a test that detects Zika virus presence in blood in minutes, using gold nanorods on paper. The test relies on an immune response caused by the virus and doesn't require refrigeration, making it suitable for resource-limited settings.
A new study introduces a finger prick test for patients with rheumatoid arthritis and other autoimmune conditions taking adalimumab, enabling easy monitoring of drug levels without full blood draws. This method simplifies therapeutic drug monitoring, potentially benefiting patient care.
A new portable platform enables sensitive and rapid diagnostic testing in resource-limited settings, detecting telltale markers of disease as accurately as the most sensitive tests on the market. The D4 assay can identify a disease biomarker in as few as 15 minutes.
Researchers studied lizard venom to discover novel compounds with potential in treating stroke and deep-vein thrombosis. The study identified selective action on fibrinogen chains, a targeted approach successful for snake venom treatments.
A study published in the Journal of Clinical Investigation reveals that genetic abnormalities contribute to thiazide-induced hyponatremia, a condition causing low sodium levels. Researchers identified patients with this side effect who exhibited persistent subtle differences in blood and urine tests even after medication was stopped.
Researchers at the University of Cincinnati developed a novel device that can stimulate sweat glands on a small patch of skin, allowing for non-invasive biomarker testing. The device can predict sweat amounts, which is essential for understanding hormone or chemical measurements.
Researchers identified a cluster of immunoresolvents in blood that activate immune cells, enhancing the immune system's ability to fight bacterial infections. This new profiling procedure has potential applications in distinguishing between cancerous and healthy tissue.
Researchers at Stanford University School of Medicine have identified biomarkers associated with chronic fatigue syndrome severity by analyzing 17 immune-system signaling proteins. These findings suggest that inflammation is a powerful driver of the disease and may lead to improved diagnosis and treatment options.
The program will train staff at 20 health centers to offer group visits for diabetes patients, partnering with Care Message to implement a text messaging system. The goal is to consolidate services into one visit, provide education, and social support to help patients manage their blood sugar levels.
Scientists at UAlberta and McGill University have discovered a direct link between calcium and cholesterol, finding that a lack of calcium can hide cholesterol from the cell's machinery. This discovery could pave the way for new treatments for high blood cholesterol and heart disease.
A genetic predisposition to higher blood calcium levels is associated with an increased risk of coronary artery disease and heart attack. The study used mendelian randomization to examine the association between serum calcium levels and CAD, finding a link between the two.
Researchers found that memantine significantly reduced blood levels of neuron-specific enolase, a marker of neuronal damage, in patients with moderate TBI. The study also showed marked improvements in Glasgow Coma Scale scores on day 3, indicating potential therapeutic benefits.
Researchers have developed a blood test that can detect amyloid beta plaques in the brain, a key characteristic of Alzheimer's disease. The test measures levels of three different amyloid subtypes and has been shown to be highly accurate in identifying individuals with altered levels of amyloid in their brains.
A new saliva test developed by Johns Hopkins researchers matches the performance of a widely used blood test for diagnosing hepatitis E virus infection. The test has the potential to ease and speed up research into the disease, which affects an estimated 20 million people worldwide each year.
Researchers at University at Buffalo successfully tested a pre-hospital intervention that raises blood pressure in simulated trauma victims experiencing blood loss. Face cooling was shown to increase and maintain blood pressure during the simulation.
Researchers found elevated levels of two brain injury markers, neurofilament light chain and tau, in active professional fighters compared to retired fighters or non-fighters. These markers may signify permanent traumatic brain injury with long-term consequences.
Researchers at ETH Zurich developed a soft artificial heart made from silicone that mimics the human heart's form and function. The device lasts only 3,000 beats but paves the way for future improvements in artificial hearts.
A new therapy, idarucizumab, has been shown to rapidly reverse the effects of the blood thinner dabigatran in patients with life-threatening bleeding or emergency surgery needs. The study found that idarucizumab was able to stop bleeding within 2.5 hours and allow surgery to begin at a median of 1.6 hours after administration.
Forensic scientists at Nagoya University have successfully extracted human DNA from mosquitoes' stomachs and amplified it using PCR techniques. The team found that human DNA remained viable in mosquito blood for up to two days after feeding, providing a new tool for crime scene investigators.
Researchers discovered that sea spiders use gut peristalsis to move blood and oxygen throughout their bodies, not hearts. This unique system allows for efficient gas transport and highlights the diversity of solutions in animal physiology.
A new circular RNA marker has been identified in blood and lung tissue, associated with increased cell proliferation, migration, and invasion. High expression of this marker may improve lung cancer screening and detection at late stages.
Researchers at NIST have measured the vapor pressure of delta-9 tetrahydrocannabinol (THC), a fundamental property for developing accurate marijuana breathalyzers. The study uses PLOT-cryo technology to capture and analyze THC molecules, providing crucial groundwork for manufacturers.
A recent analysis of US dialysis facility data found that central venous catheters are associated with the most bloodstream infections in hemodialysis patients. Staphylococcus aureus was the most commonly isolated pathogen, with 40% of isolates resistant to antibiotic methicillin.