Articles tagged with Blood
Scientists have developed a new compound, ZTA-261, which selectively binds to the thyroid hormone receptor beta (THRβ) to treat lipid disorders. Mice administered the drug showed decreased lipid levels in the liver and blood with fewer side effects compared to existing compounds.
A University of Michigan-led study found that higher levels of metals in blood and urine are associated with a greater risk for ALS and shorter survival. Occupational exposure to metals was also linked to increased metal levels, emphasizing the need for accounting for environmental factors when evaluating overall exposure risk.
A national multicenter study found that younger women and those with non-malignant diseases had a higher chance of successful pregnancies after allogeneic hematopoietic cell transplantation. The study analyzed data from 2,654 women who underwent transplantation between 2003 and 2018.
A clinical trial found that fish oil supplements slowed neuronal integrity breakdown in older adults with the APOE4 gene variant, a risk factor for Alzheimer's disease. The study showed no benefit for all older adults, but suggested omega-3 fatty acids may be useful for prevention.
Researchers discovered elevated levels of neurofilament light chain protein in Parkinson's disease and dementia with Lewy bodies, suggesting potential early detection methods. The study found different protein patterns between the prodromal stage and established diseases.
A study by Michigan Medicine found that over- or under-dosing anticoagulants can result in serious health conditions, most often occurring after the initial prescription. The researchers evaluated five years of prescribing data and found that nearly 70% of alerts to off-label dosing occurred during a follow-up visit.
A head-to-head comparison of six commercial blood tests found that some are accurate enough to replace spinal taps and brain scans in patients with cognitive impairment. The analysis, led by Suzanne Schindler at Washington University School of Medicine, identified reliable tests for diagnosing Alzheimer's disease.
A recent study published in ESC Heart Failure found that kidney dysfunction can be used as a criterion to stratify patients requiring implantable defibrillators. The research identified two key independent predictors for the risk of sudden cardiac death: left ventricular ejection fraction and estimated glomerular filtration rate.
Researchers studied Alzheimer disease blood biomarkers and found a strong association with incident all-cause dementia risk. Biomarker levels increased with age and were linked to dementia starting in midlife.
Researchers found high diagnostic accuracy for identifying Alzheimer's disease using amyloid probability score 2 blood test and p-tau217 levels. The study suggests blood tests could influence clinical care, warranting further evaluation.
A recent study has identified a blood protein called fibrin as the root cause of developmental delays and brain damage in preterm infants. The researchers found that fibrin interferes with a cell-signaling pathway essential for neuron creation, particularly in the cerebellum.
Researchers found a significant association between the KIT M541L variant and mastocytosis diagnosis in patients with systemic and cutaneous mastocytosis. The variant was identified in 19 individuals, mostly diagnosed with systemic mastocytosis, but without significant differences in symptomatology.
A recent study at the University of Missouri discovered that oxytocin and corticotropin-releasing hormone cause the brainstem to become overactive, leading to hypertension. This finding can help develop targeted drugs to reduce high blood pressure in sleep apnea patients.
A recent study published in Journal of Clinical Oncology has shown that the Stockholm3 prostate cancer blood test is equally effective in detecting clinically significant cancer across different ethnic groups, including African Americans and Asians. The test reduces unnecessary biopsies by 45% while maintaining high detection rates.
A recent study by University of California - Riverside researchers has discovered that lice are a significant threat to free-range chicken populations, causing skin lesions and disrupting healthy behaviors. The study's findings have implications for states like California, where all egg production is cage-free.
A new study reveals that about two percent of the population develop autoantibodies against type 1 interferons, making them more susceptible to severe viral infections. The autoantibodies remain detectable in the blood for life and are associated with a compromised type 1 interferon system.
A new study published in Hypertension journal suggests that both 30-year and 10-year risk predictions should be considered when making high blood pressure treatment decisions. The researchers compared two risk prediction tools and found that long-term, 30-year risk may be more important than short-term, 10-year risk for informing medic...
A recent study published in Nature Medicine confirms the health benefits of a diet high in unsaturated plant fats, such as the Mediterranean diet. The research used lipidomics to measure diet-related fat changes in the blood and link them to disease risk.
A Swedish researchers have created a questionnaire test that quickly identifies individuals at high risk of heart attack. The test has been shown to be as accurate as blood tests and blood pressure measurements, detecting 65% of those at the highest risk of cardiovascular disease.
Researchers found a correlation between high homocysteine levels and the severity of obstructive sleep apnea. The study suggests that measuring homocysteine could help clinicians predict the risk of developing severe apnea, enabling early intervention and prevention.
A recent study published in JAMA found that transgender women on hormone therapy have drastically lower PSA levels, which may lead to delayed diagnosis and treatment of prostate cancer. The researchers analyzed Veterans Health Administration records and recommended caution when interpreting PSA values in transgender women.
Researchers discovered a step-by-step process of calcification in aortic valves, revealing two defense mechanisms: osteopontin and collagen fibers. The study provides new insights into understanding cardiovascular calcification and potential therapeutic applications.
Researchers developed a portable lab-on-a-chip device that uses blood to generate electricity and measure its conductivity, enabling quick and convenient diagnostics. The device has been shown to accurately assess various health parameters and detect medical conditions, opening doors to remote healthcare.
A new study from the University of Oklahoma found that measuring circulating microRNAs is likely as effective as measuring blood sugar levels in determining how young people with type 2 diabetes will fare. The study also found a 20% decrease in beta cell function during the first six months of treatment.
Researchers discuss primary hepatic angiosarcoma, a rare mesenchymal liver tumor, and its poor prognosis compared to hepatocellular carcinoma. Diagnosing PHA is critical due to its similar clinical presentation to HCC.
Scientists are conducting a clinical trial to explore the use of anti-retroviral medications Ritonavir and Lopinavir as a potential treatment for brain tumors in patients with Neurofibromatosis 2. The study aims to determine if these drugs can help reduce tumor growth and survival in NF2 patients.
Researchers developed two clinical ageing clocks, PCAge and LinAge, that use blood tests, a urine test, and a health questionnaire to estimate future mortality risk. These clocks show significant predictive efficacy in characterising individual future ageing trajectories.
Researchers have developed a method to deliver drugs to specific areas of the body using ultrasound waves, triggering drug release from stable nanocarriers. The approach is made both safe and efficient for the first time, paving the way for clinical trials.
A team of researchers has developed a simple blood test that uses artificial intelligence (AI) to predict Parkinson's disease up to seven years before the onset of symptoms. The test analyzes a panel of eight blood-based biomarkers with concentrations altered in patients with Parkinson's, providing a diagnosis with 100% accuracy.
Researchers at the University of Auckland have developed a new metric to measure global cerebrovascular pulsatility transmission using 4D flow MRI technology. This innovation provides a comprehensive measure of small vessel pulsatility risk, linking it to brain conditions like Alzheimer's disease and dementia.
A new study has found that patients diagnosed with schizophrenia or another psychotic disorder are three times more likely to have Bartonella DNA in their blood than adults without these disorders. The study suggests a potential role for vector-borne pathogens, such as fleas and ticks, in mental illness.
Researchers developed DiFC, a two-color diffuse flow cytometry system that detects rare cancer cells in the bloodstream without invasive methods. The technology provides insights into cancer progression and response to treatments by studying different subpopulations of cancer cells simultaneously.
Patients with atrial fibrillation who took low doses of direct oral anticoagulants experienced more bleeding episodes during the first three months of treatment. High blood levels of the medications were also associated with an increased risk of bleeding events.
Researchers developed an AI-driven liquid biopsy to identify lung cancer through DNA fragment patterns in the blood, demonstrating a high negative predictive value of 99.8%. The test could quadruple lung cancer detection rates and prevent thousands of deaths if implemented nationwide.
Researchers at UCLA have identified a key protein MYCT1 that enables blood stem cells to sense and interpret signals from their environment. The study's findings could lead to the development of methods to expand blood stem cells in a lab dish, making life-saving transplants more available.
Researchers at UC Davis Health discovered that mesalamine can replace good bacteria's work in fighting Candida albicans in the gut. The study found that mesalamine maintains a low oxygen environment that prevents fungal growth, reducing the risk of invasive candidiasis.
Researchers at Texas A&M University developed vessel-chip technology to create a platform for preclinical drug discovery, reducing the need for animal testing. The system mimics human circulatory systems using tissue-engineered microfluidic devices.
A University of Houston researcher has developed a new method to detect cancer using PANORAMA imaging and fluorescent imaging, achieving a 98.7% accuracy rate. The method analyzes the number and cargo of small EVs in patients' blood samples, allowing for early detection and improved treatment efficacy.
A clinical trial led by Mount Sinai researchers shows zodasiran, an RNA inhibitor targeting ANGPTL3, significantly reduces various types of cholesterol and triglycerides. The therapy also lowers apolipoprotein B, a lipid-transporting protein linked to heart disease.
Research finds insulin levels correlate with triglycerides, ApoB, non-HDL cholesterol, and free cholesterol in women with atherosclerotic coronary disease. The study suggests these laboratory-associated flags indicate early coronary atherosclerosis in both diabetic and non-diabetic women.
Researchers at the State University of Campinas found that daily consumption of jaboticaba peel improved glucose metabolism even after meals. The study showed lower post-prandial glycemia and less inflammation in volunteers with obesity and metabolic syndrome.
A team of researchers led by Dr. Ahmed discovered that two FDA-approved antibiotics can induce heart regeneration in mammals, showing promise for treating heart failure. The study found that the antibiotics improved cardiac output and reduced fibrotic scar tissue, suggesting a potential new therapy.
A study published in JAMA Surgery found that bariatric surgery significantly reduces the risk of breast cancer in women with obesity, particularly those with high blood insulin levels. The results show a 32% lower risk overall and a 52% lower risk for women with high insulin levels at the start of the study.
Researchers at UC Santa Cruz discovered a secondary population of platelets that appears with aging, exhibiting hyperreactive behavior and unique molecular properties. This 'shortcut' pathway bypasses normal differentiation processes, producing problematic cells that can cause blood clotting diseases.
A University of Saskatchewan researcher is building tiny pseudo-organs from stem cells to help diagnose and treat Alzheimer's disease. These 'mini-brains' more accurately reflect a fully-fledged adult human brain, allowing for closer examination of neurological conditions.
Researchers developed a synthetic biomarker technology that can differentiate between prior Zika and dengue virus infections. The technology, using epitope surrogates, correctly identified people previously infected with Zika virus 85.3% of the time.
Researchers at Duke University have developed a synthetic molecule that mimics the effects of compounds in the saliva of blood-sucking critters, providing a dual-action anti-clotting function. The new molecule can be swiftly reversed, enabling clotting to resume when needed after treatment.
A new study suggests that countries should prioritize tuberculosis treatment for exposed individuals with evidence of TB infection, regardless of age—except in high-burden settings, where all exposed individuals should be considered for treatment. Preventive treatment can stop latent TB infections from developing into deadly TB disease.
Researchers have developed a new imaging technique that rapidly and accurately identifies cancerous tissues in breast samples. The method uses machine learning algorithms trained on hyperspectral dark-field microscopy data to pinpoint regions of invasive ductal carcinoma and invasive mucinous carcinoma.
A new screening algorithm combining maternal history, ultrasound data and several tests for blood markers may predict most preeclampsia cases in the first trimester of pregnancy. The study found that personalized risk-based treatment decisions may improve adherence to preventative measures.
Researchers developed a non-invasive imaging technique to visualize cardiac micro-vessels in high resolution, enabling better understanding of cardiovascular diseases. The study improves diagnosis and treatment of conditions like microvascular coronary disease and cardiomyopathies.
Researchers at UCLA Health have developed a potential biomarker for stroke risk using a network of inflammatory molecules in the blood. The study, published in the journal Stroke, found that patients with higher concentrations of these molecules had an 84% chance of experiencing a stroke during their lifetime.
Scientists have identified a shared gene module in people with depression and cardiovascular disease, providing new markers for both conditions. The study found that genes involved in inflammation are associated with both diseases, explaining why they often occur together.
Adults with type 1 diabetes who use modern hybrid insulin pumps experience significant improvements in blood sugar levels, reducing the risk of organ damage by up to three hours per day. The treatment also reduces the time spent with low blood sugar levels and is associated with high patient satisfaction.
Researchers at Gladstone Institutes have identified a blood coagulation protein, fibrin, as the culprit behind toxic inflammation and neuron loss after a major head injury. This finding can inform new treatment strategies for traumatic brain injuries, which often lead to dementia, depression, and difficulty concentrating.
Scientists have identified a consistent signature of multiple sclerosis in the blood of patients years before they develop symptoms. The discovery, published in Nature Medicine, could lead to earlier diagnosis and treatment of the disease, affecting nearly 1 million people in the US.
Researchers found that individuals from certain racial and ethnic groups are less likely to be eligible for Alzheimer's disease clinical trials due to lower amyloid levels at early stages of the disease. Amyloid buildup in the brain varies across different populations, contributing to underrepresentation in clinical trials.
Researchers discovered that certain bacteria, including Salmonella enterica and Escherichia coli, are attracted to human serum, which contains the amino acid serine. This phenomenon, known as bacterial vampirism, allows the bacteria to navigate towards the source of blood in under a minute.
Researchers mapped the distribution of lone star ticks, a dominant tick species in Georgia, to identify areas with high prevalence. The study found that these regions contain sweet spots for lone star ticks, including forested areas of mid-elevation and soils retaining moisture but not swampy.
Researchers analyzed blood stem cells in mice with prior sepsis and found they were fully recovered but failed to respond to a second inflammatory stimulus, leading to inefficient immune cell production.