Articles tagged with Blood
Researchers at Michigan State University have identified how MRSA absorbs human fatty acids to resist antimicrobials, providing a new target for developing more effective treatments. By inhibiting the cell membrane's ability to produce lipids, scientists may improve the efficacy of existing antibacterial agents like triclosan.
A new film, 'Voices from the Mine', sheds light on the human costs of artisanal diamond mining in Sierra Leone, where miners face poverty and hardship despite the industry's $250 million annual value. The film highlights the need for a more nuanced understanding of the diamond trade, particularly among consumers and policy makers.
A new biomarker, CKAP4, has been identified in patients with stage I lung cancer, offering a potential non-invasive diagnostic marker that could improve patient outcomes. The sensitivity of serum CKAP4 was found to be higher than current sero-diagnostic markers.
A new study uses the COstatus monitor to directly measure cardiac output in neonates, providing a more accurate and less invasive way to gauge heart function. The results show that cardiac output can be precisely measured in the first two weeks of life with no adverse events.
Researchers at UTA are investigating the biochemical mechanism of ovarian hormones regulating cholesterol balance in the blood, aiming to open up new therapeutic avenues for treating cardiovascular disease. The study may lead to preventive treatments and customized therapies.
Researchers at the University of Cincinnati discovered that female mosquitoes bite not only to get protein but also to quench their thirst during a drought. Dehydration prompted as many as 30 percent of female mosquitoes to seek a blood meal, increasing the risk of disease transmission.
Researchers found that mid-back muscle decline is associated with increased kyphosis curvature, but not low-back muscle decline. Targeted resistance exercises may help prevent kyphosis progression
A new study by University of Gothenburg researchers identifies a superior blood-based biomarker for assessing subtle brain injury after sports-related concussions. The protein neurofilament light (NfL) levels were found to correlate with the severity of concussion and the duration of post-concussive symptoms.
A new DNA method efficiently screens vampire bat blood meal and faecal samples to determine which domestic animals they feed on, while also assessing population structure. This technique may aid in preventing rabies exposure by identifying animal hosts at risk.
A new study finds nearly one in four blood bank supplies contain malaria parasites, putting children and pregnant women at risk. The lack of sensitive diagnostic technology exacerbates the issue, highlighting the need for better vigilance and screening practices to keep blood banks safe.
Research reveals vampire bats' reliance on their genome and microbiome for survival on a low-energy diet. The study shows that the bat's microbiome helps compensate for the lack of vitamins and fatty substances in their blood-based diet.
In a study on Baltimore neighborhoods, researchers found that mosquito bites vary by socioeconomic status, with rats being the primary blood meal source in lower-income areas. Humans and cats are also bitten, but proportionally more frequently in higher-income neighborhoods due to human behavior.
A new blood test has been developed to predict tuberculosis (TB) development in high-risk individuals, such as those living with active TB, up to two years before its onset. The 'RISK4' signature measures the expression levels of four genes associated with inflammatory responses and shows improved accuracy compared to existing tests.
A new blood test has been developed to detect early indicators of Alzheimer's disease, measuring the relative amounts of pathological and healthy amyloid-beta forms in the blood. The test was found to reliably detect signs of the disease on average eight years before diagnosis, with an overall diagnostic accuracy of 86%.
Researchers have identified genetic variants associated with type 2 diabetes and blood sugar levels in a large Chinese population study. The findings suggest that these variants can reduce gene activity, leading to elevated blood sugar levels. Further analysis is needed to understand the role of these variants in human insulin secretion.
A study from the University of Iowa found that pre-pregnant women with higher fitness levels had a 21% lower risk of developing gestational diabetes. Moderate physical activity, such as brisk walking, can help reduce this risk.
A follow-up study of infected but asymptomatic individuals reveals parasite levels drop quickly after infection onset. Despite low levels at day 28, the study suggests that these individuals pose a shorter transmission risk to communities aiming for malaria elimination.
The BIABooster device characterizes DNA in blood circulation with new precision and sensitivity, identifying promising signatures for cancer monitoring. It has been shown to detect DNA up to a concentration of 10 fg/μL with precisions of 20% and 3%.
Researchers have identified a specific sugar found on aggressive breast cancer cells that can be used as a biomarker to detect high-risk patients. This discovery aims to improve screening for early-stage breast cancer patients, reducing unnecessary treatments such as chemotherapy or radiation.
A study by Michigan Medicine and Rutgers New Jersey Medical School found Flint childhood blood lead levels decreased from 11.8% in 2006 to 3.2% in 2016, with a historic low of 1.15 micrograms per deciliter in 2016. A random spike in blood lead levels was also observed between 2010 and 2011.
The new instrument increases the sensitivity of optical mammography by up to 1000-fold, allowing for earlier detection of breast cancer. This advancement offers a safer and more gentle alternative to traditional X-ray imaging, which is often limited by patient age, weight, or other factors.
Researchers found that tuberculosis patients with lower blood concentrations of key medications are more likely to be contagious. This discovery highlights the need for routine checks and potentially increased dosages to control the spread of the disease.
Researchers studying cavefish found that they can live healthy lives with high blood sugar levels, contrary to what is seen in humans. The fish have insulin resistance but no apparent harm from chronically elevated glucose levels.
Yogalakshmi Rajendran, an Assistant Professor at the University of California, San Francisco, received the fellowship for her clinical application of autologous blood products in regenerative dentistry and NIH-funded study on oral cavity microflora.
A study published by the British Heart Foundation found that premature hearts are less able to cope with exercise, leading to increased risk of heart failure. Researchers compared the heart function of adults born prematurely to those carried to term and discovered a significant difference in blood leaving the heart during exercise.
A new study from the University of Eastern Finland found that high levels of omega-6 fatty acids in the blood are associated with a lower risk of premature death. The research also showed that this association is not limited to cardiovascular disease, but may also apply to other conditions such as diabetes.
Researchers found that participants on the 5:2 diet cleared triglyceride from a meal more efficiently than those on daily calorie restriction, reducing an important risk factor for cardiovascular disease. The study also showed a greater reduction in systolic blood pressure in participants on the 5:2 diet.
A study estimates that historical lead exposure may be responsible for 256,000 premature deaths from cardiovascular disease each year in the USA. The study found that low-level lead exposure increases the risk of premature death, especially from cardiovascular disease.
The MOMENTUM 3 clinical trial found that advanced heart-failure patients who received a centrifugal-flow circulatory pump had significantly lower rates of pump-related blood clots and stroke compared to those receiving an axial flow pump. Patients who received the centrifugal-flow pump also had fewer re-operations due to device malfunc...
A study from Umea University found that people who use moist snuff have significantly higher levels of protein cornulin in their blood. Lifestyle factors can influence background levels, and the researchers hope to find disease-detecting proteins in the future.
Researchers at Walter and Eliza Hall Institute have identified a unique molecular signature in the blood that could detect aggressive lung cancer and predict response to immunotherapy, offering new hope for patients with limited treatment options.
Research analysis of blood mediators in type 1 diabetes and kidney disease patients reveals 10 elevated proteins, with TNF-alpha family and IL-6 significantly impacting 40% of patients. This study suggests personalized medicine approach to target specific inflammatory mediators for effective treatment.
Physicians and biomedical engineers create patient-specific models to predict complications and optimize treatment decisions. The approach has led to improved patient outcomes, such as Bernice Belcher's successful open heart surgery.
Scientists at Martin-Luther-Universität Halle-Wittenberg create albumin-based gels, which could be used to produce drug-delivery implants. The gels' structure and properties were altered by modifying solution pH and temperature conditions.
The American College of Physicians (ACP) recommends less intensive blood sugar control targets for most patients with type 2 diabetes, aiming for an A1C range of 7-8% rather than 6.5-7%. This approach prioritizes symptom management over intensive treatment to balance benefits and harms.
The new edition includes quality management, reflecting the rapidly evolving field of bone marrow transplantation. The standards have been developed through international consensus and are recognized globally among transplantation professionals.
A new study introduces a holistic 3D numerical simulation model of the human heart, taking into account the mutual interaction between blood flow and individual components. The model reveals complex effects of heart strings on the mitral valve, shedding light on potential strategies for preventing cardiac problems.
Researchers found the Asian tiger mosquito vanished from Palmyra Atoll following rat eradication, as humans became the sole host for mosquitoes to feed on. The study highlights a potential new approach to combatting mosquito-borne diseases by eradicating key hosts.
Researchers developed a method to obtain critical information about cardiac function using machines that help failing hearts circulate blood. The new approach may pave the way to self-contained mechanical circulatory support systems for patients suffering from cardiogenic shock after a heart attack.
Researchers found a potential link between varicose veins and deep venous thrombosis, but more research is needed to confirm the association. The study also suggests that varicose veins may be associated with an increased risk of peripheral artery disease and pulmonary embolism.
A new study reveals that nearly one in four PICC placements are made for less than five days, resulting in complications such as blocked lines, infections, blood clots, and serious kidney problems. This raises concerns about the risks associated with short-term IV device use.
A recent study published in the Journal of Thrombosis and Thrombolysis found that prolonged TV viewing increases the risk of venous thromboembolism, a potentially fatal condition. The research, which analyzed data from over 15,000 Americans, suggests that even regular exercise is not enough to offset the risks of sedentary behavior.
Research reveals that high blood pressure impairs the body's response to hypoxia, limiting oxygen delivery to vital organs and tissues. Middle-aged men with high blood pressure were found to have reduced blood flow to the brain and leg muscles during low-oxygen conditions.
The vampire bat's unique blood-based diet requires specific genetic and microbial adaptations, including enhanced iron assimilation and immunity, to tackle nutritional and non-nutritional challenges posed by blood meals. The findings suggest that the bats' microbiome plays a crucial role in their defense against viral infections.
A recent study has found that people over 65 with chronic kidney disease and atrial fibrillation are at increased risk of stroke when taking blood thinners. The researchers estimate that half a million UK adults fall into this category, highlighting the need for cautious prescribing practices.
A study published in PLOS Medicine found that perfluoroalkyl substances (PFASs) may interfere with human body weight regulation, leading to greater weight gain after dieting. Higher blood levels of PFASs were linked with lower resting metabolic rates, which can result in slower metabolism and increased calorie burn.
A ketone ester supplement has been shown to lower blood sugar levels in healthy individuals by reducing spikes in sugar consumption. The study used a single drink containing 75 grams of sugar and found that the ketone drink reduced the blood sugar spike compared to a placebo.
Researchers found a clear link between low arachidonic acid levels and retinopathy of prematurity (ROP) in extremely premature babies. Providing the children with arachidonic acid may help reduce the risk of ROP and minimize blindness.
A new blood test, T2Candida Panel, detects candidemia with high accuracy, reducing time to diagnosis by nearly two days. The test shows promise in speeding up treatment and potentially improving patient survival rates.
A new study found that lower sodium levels in the blood, known as hyponatremia, are related to declines in cognitive function with advancing age. Slightly lower serum sodium levels were associated with increased risk of cognitive impairment and decline over time, while high serum sodium was also linked to cognitive decline.
A study published in Neurology suggests that strokes can compromise the blood-ocular barrier, causing gadolinium to leak into the eye. This phenomenon could potentially provide valuable information about stroke severity and guide treatment.
A study published in JAMA found that patients with a patent foramen ovale (PFO) are at increased risk of stroke after non-cardiac surgery. The researchers analyzed data from over 150,000 patients and found that approximately 3.2% of those with a PFO experienced a stroke within 30 days, compared to 0.5% without one.
The blood test measures a specific peptide to inform scientists of Alzheimer's disease presence with 90% accuracy. It has the potential to accelerate therapeutic strategies development by speeding up patient selection for new drug trials.
Research suggests that migraine is associated with an increased risk of cardiovascular diseases in both men and women. The study found a positive association between migraine and heart attack, stroke, blood clots, and irregular heart rate, particularly among women.
A recent study found that blood clots in the lungs are extremely rare in patients who experience fainting and visit the emergency department. The researchers analyzed data from over 1.6 million adults across four countries, revealing a surprisingly low frequency of pulmonary embolism among those with syncope.
Researchers found that tranexamic acid prevents blood loss after vaginal births and postpartum hemorrhage among women with operative vaginal deliveries or episiotomies. The study, presented at the Society for Maternal-Fetal Medicine's annual meeting, suggests TXA should be considered for women at risk of PPH.
A new study of 5,000 older people in the UK found that those with diabetes experience steeper rates of cognitive decline compared to those with normal blood sugar control. The study suggests that efforts to delay diabetes onset and control blood sugar levels may prevent subsequent progression of brain function decline.
A study by MUSC Health found that using a mechanical ISDD and educating staff led to a nearly four-fold decrease in contaminated blood cultures. This reduction resulted in improved accurate diagnoses, decreased antibiotic use, and cost savings.
Researchers developed stable, self-disrupting microbubbles to carry oxygen in the blood, reducing the risk of embolism. The microbubbles were shown to increase survival rates in rodents with cardiac arrest, providing a potential lifesaving treatment.
A study found that pediatric cancer patients' microbiome diversity can predict the risk of developing blood infections, suggesting a link between gut health and bloodstream infections. The researchers argue that prevention and treatment strategies may depend on the source of infection, rather than relying solely on central line hygiene.