Articles tagged with Blood
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
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Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
A Mayo Clinic study reveals women with mitral valve prolapse and severe leakage often receive less aggressive treatment than men, with a higher risk of mortality. The underestimation of cardiac enlargement in women may be the primary reason for these disparities, highlighting the need for more precise evaluation and treatment strategies.
A new study published in the FASEB Journal suggests that the quality of HDL cholesterol, not just its type, matters for good health. Researchers found that high levels of poor-quality 'good' HDL can increase heart disease risk.
A study in China has identified the first cases of human granulocytic anaplasmosis (HGA), a tick-borne infectious disease. The investigation found that transmission was likely from person to person through blood and respiratory secretion exposure, rather than tick bites.
University of Michigan researchers have developed a simple method for detecting contaminants in heparin, a blood-thinning drug used to prevent and treat blood clots. The new method uses potentiometric polyanion sensors to distinguish pure heparin from tainted heparin containing oversulfated chondroitin sulfate.
Researchers found that patients who received both intravenous thrombolysis and endovascular interventions experienced significantly lower mortality and greater improvement in neurological ability. The study suggests that combining these treatments could be a game-changer for stroke patients, especially those under 80 years old.
Researchers have identified a new biomarker for heart failure, resistin, which can independently predict an individual's risk of developing the condition. Resistin levels were found to increase the risk of new-onset heart failure by 38% and were a stronger predictor than other inflammatory markers.
Research highlights increased risk of post-MI death among African-American patients with acute myocardial infarction and previously treated depression. Persistent depressive symptoms at the time of MI hospitalization may indicate a more severe or recurrent condition.
A diuretic has been found to reduce the risk of heart failure in women with a preserved ejection fraction, according to a study published in Circulation. The medication, chlorthalidone, was shown to be effective in reducing the occurrence of heart failure in people with a wide range of left ventricular ejection fractions.
Researchers identified associations between single nucleotide polymorphisms (SNPs) and altered blood folate, homocysteine, and DNA uracil concentrations in Puerto Rican adults. These findings suggest that SNPs may increase the risk for cancer by causing DNA breakage.
A large study of nearly 11,000 adults suggests that obstructive sleep apnea may be a risk factor for sudden cardiac death, particularly in patients with low nighttime oxygen saturation. The study found that severe cases of OSA were associated with an increased risk of SCD, independent of other established risk factors.
Research suggests that flu vaccination can lower the risk of venous thrombotic embolism (VTE) in people with cardiovascular disease. The protective effect was more pronounced in those under 52 years old. Further studies are needed to confirm this relationship and explore underlying mechanisms.
A team of Johns Hopkins biochemists identified five key proteins that may form the basis of an accurate early warning test for impending heart attacks. The test could provide advance warning to paramedics and physicians during the critical window before ischemia causes substantial heart tissue damage, allowing for urgent treatment to p...
Researchers have discovered that the apelin protein can help regulate blood sugar levels in individuals with type II diabetes. Activation of this second pathway improves glucose regulation and offers a potential new treatment option.
A study published by researchers in Japan found that Double Balloon Endoscopy (DBE) was effective in diagnosing small intestinal lesions in patients with obscure GI bleeding, with a sensitivity of 92.7%. DBE also showed therapeutic benefits for most patients, and the technique was more sensitive than capsule endoscopy in certain cases.
Researchers at Monell Center found that changes in blood triglyceride levels after a high-fat meal can indicate susceptibility to diet-induced obesity. The study suggests that such a simple blood test could be used to identify individuals at risk, particularly children, and target obesity prevention resources.
Researchers have identified molecular signals causing abnormal changes in the peritoneum, a lining used in peritoneal dialysis. Disrupting these signals may help maintain PD's effectiveness and offer new hope for former PD patients seeking alternative treatments.
The study delves into the Old Frisian compensation tariffs, which linked financial compensation to injuries and insults, preventing blood feuds. Nijdam's research reveals a unique body-centred model of honor that emphasizes the interconnectedness of the human body and surroundings.
University of Houston professors Matthew Franchek and Ralph Metcalfe receive a $2.8 million NIH grant to create a pulseless total artificial heart (TAH) with advanced control systems. The device aims to improve reliability and adjust to physiological needs, offering hope for those waiting for a heart transplant.
A new, simpler diagnostic method for detecting blood clots in the leg has been shown to be as effective as a more complex method. The study found that compression ultrasonography was highly accurate, with rates of detection equivalent to whole-leg ultrasonography.
A Mayo Clinic-led study found that the first generation of a stool DNA test detected 20% of colorectal cancer and precancerous polyps, compared to fecal blood tests. The test's limitations include sample degradation and low sensitivity, but second-generation tests improved detection rates.
A recent study by the American College of Radiology found that core needle breast biopsies are safe for patients taking anticoagulants. The study showed that lumps or bruising occurred in 34% of women taking blood thinners, compared to 26.5% of those not on medications.
Researchers identified two new genes and confirmed a third's role in increased uric acid levels, associated with up to 40-fold gout risk. Genetic testing may one day identify individuals at risk before symptoms develop.
A new study found that warfarin, commonly used to prevent blood clotting, increases the risk of brain hemorrhage and death if a hemorrhagic stroke occurs. The study showed that people taking warfarin with an INR above three had twice as much initial bleeding as those not on the drug.
Naren Vyavahare aims to extend the durability of bioprosthetic heart valves beyond 20 years through chemical linking of neomycin to tissue. Improved durability will enable surgeons to implant valves in younger patient populations with reduced risk of failure.
A study by Dr. David Spence found that 95% of patients with asymptomatic carotid stenosis can manage without surgery, benefiting from improved medical treatment and lifestyle modifications. Patients with microemboli are the exception, requiring revascularization to reduce stroke risk
A study found that healthy individuals with elevated uric acid levels have a higher risk of developing kidney disease, particularly in women and those with hypertension. The researchers recommend initiating clinical trials to assess the potential of uric acid-lowering drugs for preventing kidney disease.
Researchers are developing a simple blood test to diagnose Alzheimer's disease by identifying biomarkers in the blood. The study aims to provide an early and accurate diagnosis, allowing for effective treatment to be given sooner.
Johns Hopkins researchers have successfully suppressed levels of the 'hunger hormone' ghrelin in pigs using a minimally invasive procedure. The method, called GACE, produces an effect similar to bariatric surgery by lowering appetite and promoting significant weight loss.
A new $10 million clinical trial is testing a treatment that can chew up deep vein thrombosis (DVT) clots and administer clot-busting drugs, with the goal of preventing long-term complications like post-thrombotic syndrome (PTS). The trial aims to provide a safer, quicker and more effective approach to treatment.
A 35-year-old woman suffered a stroke due to a blood clot caused by a heart defect and birth control pills. She received an interventional neuroradiologist-guided catheter delivery of tPA, resulting in immediate and dramatic improvement. Her stroke score improved from 13 to 1 after treatment.
A recent study by the American Academy of Neurology found that people with migraines are more likely to develop venous thrombosis or blood clots in their veins. The research, which involved 574 participants in Italy, revealed a significant association between migraine and increased risk of blood clots.
A team of researchers at Wake Forest University School of Medicine has been awarded a $9.3 million grant from the National Heart, Lung, and Blood Institute to investigate blood lipoproteins and their role in preventing coronary heart disease. The study aims to identify molecular events regulating cholesterol transport in blood.
A multicenter clinical trial funded by the Juvenile Diabetes Research Foundation found that continuous glucose monitoring significantly improved blood sugar control in patients with type 1 diabetes. HbA1c levels decreased by an average of 0.53% in patients aged 25 and older, while improvements were not observed in younger age groups.
The new statistical model incorporates serum sodium and MELD scores to prioritize the sickest patients, reducing mortality by 7% among those with low sodium levels. Mayo Clinic's improved tool aims to ensure timely transplants for those with advanced liver disease.
The new guidelines focus on improving diagnostic accuracy and prognostic evaluation of patients with PE. In high-risk cases, immediate thrombolytic treatment is recommended to save lives, while in low-risk cases, anticoagulants are used to prevent future episodes.
Researchers at Boston University School of Medicine have observed a non-invasive MR imaging healing mechanism for asymptomatic carotid plaque rupture. The study, published in Circulation, shows that not all plaque ruptures are symptomatic and highlights the importance of monitoring vulnerable plaques.
A 9-year study in sheep found that the likelihood of BSE transmission via blood transfusion was 36% for BSE and 43% for scrapie. Researchers warn that up to 4,000 people could be carrying vCJD in the UK, posing a risk through infected blood.
A recent study found that blood transfusions can transmit a variant of mad cow disease (vCJD) to humans with high efficiency, particularly when donors are in the later stages of infection. The research suggests that blood from BSE- and scrapie-infected sheep could be used effectively in non-human experiments to develop diagnostic tests.
A study by Baylor College of Medicine found that reducing uric acid levels in teens with high blood pressure lowered blood pressure to normal in most cases. Allopurinol, a medication typically used for gout, showed promise as a potential treatment for high blood pressure.
A new study suggests that processing red tomatoes with heat and fat can increase the absorption of lycopene, a naturally occurring pigment linked to cancer prevention. The researchers found that the bent molecular form of lycopene is more easily absorbed into the bloodstream than its linear form.
Researchers found a 26% increased risk of death among individuals with low blood levels of vitamin D. The study suggests that adequate vitamin D levels may be crucial in preventing cardiovascular disease.
Researchers from Royal Free and University College London Medical School used Mendelian randomization to examine the association between CRP levels and type 2 diabetes risk. They found that elevated CRP levels in the blood are unlikely to cause diabetes, challenging previous research suggesting a potential causal link.
Researchers at UCLA and Intrinsic LifeSciences have developed the first method to directly measure hepcidin, a hormone that regulates iron absorption. The new blood test will help clinicians diagnose conditions like anemia of chronic disease and hemochromatosis more efficiently.
A University of Georgia study reveals that common herbs and spices can inhibit tissue damage and inflammation caused by high blood sugar. The extracts of 24 herbs and spices were found to block the formation of AGE compounds, which contribute to aging and diabetes.
A study found that babies born to mothers living in the Seveso area after a 1976 chemical accident are six times more likely to have altered thyroid function. Maternal exposure to dioxins has been shown to damage the function of their babies' thyroid gland.
Researchers have discovered that hyperactive immune resistance contributes to age-dependent macular degeneration (AMD), the leading cause of blindness in Western countries. The study found that patients with AMD had an entire immune system hyperactive, which may lead to permanent inflammation and vision loss.
Researchers found that the apolipoprotein B100 (ApoB)/apolipoprotein A1 (Apo A1) ratio was almost twice as powerful a predictor of heart attack risk as traditional cholesterol ratios. This discovery could lead to improved cardiovascular disease prevention and treatment strategies.
A recent study found high levels of IL-6 in affected individuals over a decade before nervous system symptoms began to manifest. This discovery challenges current understanding of the physiological basis of Huntington's disease and may lead to new early intervention strategies.
Young adults with prehypertension are more likely to develop coronary artery calcium and atherosclerosis later in life. Researchers also found that low-molecular-weight heparin may prevent blood clots after knee arthroscopy, particularly for those undergoing meniscectomy.
Studies found that patients with Huntington's disease have higher levels of immune-system signaling molecules, called cytokines, in their brain tissue. This suggests that the protein produced by the Huntington's disease genetic mutation is causing an overactive immune response, leading to damage to neurons in the brain.
Researchers found that nuclear stress tests can detect diastolic dysfunction with a high specificity rate, identifying patients at risk of heart failure. The test plots out the heartbeat and measures the left ventricle filling pressure, providing a prognostic value in predicting diastolic dysfunction.
A study found that male mice are more susceptible to blood clots due to sex-specific growth hormone secretion patterns. The researchers used a mouse model of thrombosis and discovered that pulsatile GH secretion in males protects against clot formation, while continuous GH secretion in females has the opposite effect.
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.
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.
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 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.