Articles tagged with Blood Plasma
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A new study by Dr. Brian Stansfield and Dr. Jessica Gancar found a clear linear relationship between mortality and red blood cell transfusion volume in newborns on ECMO, with a 14% decrease in survival chances for every transfusion. The study suggests that reducing transfusion volumes may improve outcomes.
Researchers developed a new method using smartphone vibration motor and camera to monitor blood clots, with accuracy similar to commercially available techniques. The device can be used at home, making it easier for patients to test their PT/INR levels, potentially reducing the need for frequent clinical visits.
Paczesny will explore biomarkers and a new type of immune cell to identify and regulate acute lung injury after BMT. She aims to improve understanding of signaling mechanisms in lung injury after BMT, particularly as they relate to idiopathic pneumonia syndrome.
A study of 14 high-risk children found that convalescent plasma provided expected antibody levels without safety concerns. The therapy's effectiveness declined over time, highlighting the need for early administration.
A recent University at Buffalo-led study found that nearly 1 in 7 COVID patients in ICU experienced severe bleeding when given full-dose blood thinners. The research compared the safety and effectiveness of two blood clot treatment strategies, finding that a smaller dose was equally effective but carried less bleeding risk.
A new international study shows that convalescent plasma, containing antibodies from recovered individuals, reduces mortality by 15% in patients hospitalized with COVID-19, particularly those with pre-existing conditions. The treatment is most effective for patients with type A or AB blood and those with co-existing diseases.
Sophie Paczesny's research aims to validate biomarker panels that help doctors predict chronic GVHD risk and adjust immune suppression treatments accordingly. The study uses machine learning algorithms to analyze stored plasma and blood cell samples from over 1,300 BMT recipients.
Researchers at RCSI University of Medicine and Health Sciences have developed a new method to enhance wound healing using 3D printing of platelet-rich plasma. The technique showed promising results in improving vascularisation and reducing fibrosis, leading to faster and more successful wound healing.
Conservatives believe bodily markets violate human body sanctity, while liberals see them as exploitative. This study found liberals support laws punishing buyers over sellers, whereas conservatives back laws punishing both parties.
Researchers have identified metabolic signatures in blood plasma that can predict a patient's response to chemotherapy and prognosis. This discovery enables physicians to personalize treatment and enhance its efficiency, leading to improved outcomes for patients with gynecologic tumors.
Researchers identified two distinct clusters of patients with Prurigo nodularis: those with increased inflammation and those with a higher likelihood of spinal disease. This study suggests that personalized treatment approaches can be tailored to specific patient profiles.
A USF Health study reveals that fibrinogen can directly interact with neurons, leading to inflammation and neurodegeneration in Alzheimer's disease and traumatic brain injury. The researchers found that blocking the binding of fibrinogen to its receptors may alleviate short-term memory problems associated with these diseases.
A new study examines why people object to bodily markets, revealing that both liberals and conservatives consider these markets morally wrong due to different reasons. Liberals believe commercialization can be exploitative, while conservatives view it as violating the sanctity of the human body.
A recent study published in Annals of the Rheumatic Diseases reveals a link between systemic lupus erythematosus and an altered gut microbiome. Researchers at Osaka University identified two species of Streptococcus bacteria significantly increased in SLE patients, which can affect the body's functions by altering plasma metabolites. T...
Scientists at Karolinska Institutet have discovered a carbohydrate called mannose as a biomarker for severe COVID-19 disease severity. The study found that glycolysis and glutaminolysis play a crucial role in SARS-CoV-2's spread and growth, providing potential new therapeutic strategies.
Researchers have identified a way to restore the effectiveness of drugs in clinical trials for treating AML by using human alpha(1)-acid glycoprotein (AGP) as a 'decoy' to bind and inhibit FLT3-mutated leukemia cells. The approach has potential for improving patient outcomes, particularly for patients with FLT3-mutated AML.
Researchers found that saliva protein adsorption is influenced by biomaterial surface properties, countering previous studies. The study lays groundwork for improving medical and dental implants' success by controlling the adsorption of proteins from blood plasma.
Researchers analyzed plasma and single immune cells from nearly 200 COVID-19 patients and found metabolic changes associated with disease severity. The study's findings could lead to better therapies targeting immune-metabolic changes in severe disease cases.
Studies on mice and septic patients show that a specific B lymphocyte subpopulation produces large amounts of CD39, leading to increased adenosine levels and reduced macrophage activity. This results in heightened susceptibility to opportunistic infections, with survivors experiencing a sevenfold higher risk of severe infections.
A NIH study published in The New England Journal of Medicine found that administering convalescent plasma to outpatients with early symptoms of COVID-19 did not prevent disease progression. The trial, which enrolled over 500 participants, showed a significant reduction of less than 2% in disease progression.
A large retrospective study found that convalescent plasma from recovered COVID-19 patients can improve the likelihood of survival among blood cancer patients hospitalized with the virus. The therapy, which involves transfusing plasma rich in antibodies, was associated with a lower death rate compared to those who did not receive it.
A new study published in JAMA Oncology found that convalescent plasma therapy improved survival rates in COVID-19 patients with blood cancers. The analysis showed a 48% reduced risk of death for these patients, with even greater benefits for those hospitalized in intensive care or requiring mechanical ventilation.
A study by University of Nottingham researchers found that people donate Covid-19 plasma because they want to show gratitude for surviving the virus and feel morally obligated to help others. The main barrier to donating was a fear of needles, with generic fears also playing a significant role.
A 72-year-old immunodeficient patient was cured of severe COVID-19 after receiving a single infusion of her son-in-law's convalescent plasma. The infusion resulted in an extremely high rise in her neutralizing antibody titers, which persisted for four days.
A randomized control trial of 16 weeks showed that a low-fat, plant-based diet increased metabolism and reduced body weight in overweight participants regardless of their ABO blood type. The study found no association between blood type and the effects of the diet on body fat, plasma lipids, or glycemic control.
Researchers from Hackensack Meridian Center for Discovery and Innovation and University of Michigan have created a portable 'lab on a chip' that can identify COVID-19 antibodies in human blood in just 15 minutes, significantly faster than current methods.
Researchers found that antibody levels in recovered COVID-19 patients drop rapidly, making convalescent plasma a potential treatment option if collected during a specific window of time after recovery.
A longitudinal study of COVID-19 convalescent plasma donors found that antibodies against the virus decline within three months of symptom onset. Donating plasma within this timeframe ensures higher antibody titers, which are essential for effective treatment.
A nationwide study of convalescent plasma as a treatment for COVID-19 will be conducted at Vanderbilt University Medical Center. The randomized trial aims to test whether infusions of plasma can help hospitalized patients with COVID-19.
A preliminary analysis of 300+ COVID-19 patients treated with convalescent plasma suggests the treatment is safe and effective. The results show that patients who received plasma early in their illness had a lower mortality rate compared to those who did not.
A team of researchers from the University of Pittsburgh, Michigan Medicine, and Stanford Medicine are conducting a study to evaluate whether convalescent plasma can prevent the progression of COVID-19 illness in patients with mild symptoms. The goal is to understand the immunologic impact of anti-SARS-CoV-2 antibodies on the disease af...
A new study reveals that exercise conveys its benefits to the brain through circulating blood factors, improving cognitive function and regenerative effects in aged mice. GPLD1, a protein abundant in exercised mice's plasma, is identified as a potential mediator of this effect.
Despite anecdotal evidence, scientists lack conclusive data on convalescent plasma's benefits for COVID-19 patients. The use of convalescent plasma has been explored in previous outbreaks, but well-designed clinical trials are now underway to test its efficacy.
A new study suggests that plasma exchange can rejuvenate tissues and reverse signs of aging in mice by diluting old blood plasma. The technique shows promise for improving health in older people and treating age-associated diseases. Researchers are now finalizing clinical trials to explore its potential in humans.
A study from North Carolina State University has identified blood plasma metabolite markers that can aid in ALS diagnosis, rule out environmental neurotoxin involvement, and predict disease progression. Elevated creatine levels and decreased creatinine and methylhistidine were found in ALS patients.
Researchers at Colorado State University used riboflavin and UV light to eliminate a large amount of SARS-CoV-2 virus from plasma and whole-blood products, demonstrating its feasibility as a pathogen reduction technology.
Using convalescent plasma from recovered patients can provide instant, short-term fortification against COVID-19. This approach has shown effectiveness in previous pandemics and outbreaks of viral infections such as Ebola and SARS-CoV.
Researchers have identified a new type of antigen-presenting immune cell that plays a crucial role in the immune response to respiratory virus infections. This discovery could explain how convalescent plasma boosts immune responses and offers new therapeutic opportunities for treating viral infections.
A team of Johns Hopkins experts has developed a comprehensive guidebook for convalescent plasma therapy, a treatment that leverages immune system components found in the plasma portion of blood from people who have recovered from COVID-19 illness. The guide outlines protocols and guidelines for hospitals to rapidly scale up their abili...
Researchers found that plasma monitoring by RT-PCR-based EGFR mutation test can rapidly identify NSCLC patients resistant to osimertinib treatment due to different types of mutations. The study suggests that fluctuating levels of EGFR sensitizing mutations in plasma reflect tumor burden.
Researchers at UBC's Okanagan campus developed a method to separate protein from blood plasma using electricity, enabling disease detection through levitated plasma proteins. The technology uses machine-learning and predictive models to accurately diagnose diseases like opioid addictions in just five minutes.
A large-scale trial found that reducing steroid dosage and eliminating plasma exchange did not impact long-term survival for ANCA-associated vasculitis patients. Patients who received lower doses of steroids had fewer serious infections compared to those on higher doses.
A new study published by sphingotec demonstrates that biomarker bio-ADM identifies high-risk patients for septic shock and those requiring immediate life-saving therapeutic intervention. Elevated bio-ADM levels are associated with prolonged ICU stays, fatal outcomes, and distortions in endothelial function.
A new study has found that a father's low-protein diet can affect the quality of his sperm and impact the long-term cardiovascular health of his offspring. The study used mouse models to show that a poor-quality diet altered genetic information carried in sperm, changing blood vessel formation in developing fetuses.
A new test measures protein albumin proportions in blood plasma and serum samples to establish their integrity, addressing concerns about degraded samples producing spurious results. The study highlights the importance of proper sample handling and storage conditions to maintain reliability in medical research.
Researchers found that Sherpas increase their oxygen-carrying capacity by increasing plasma volume, keeping blood viscosity low. This feature underlies Sherpa adaptation to high altitude, distinct from Andeans.
Researchers at the University of Michigan have developed a new method for detecting RNA fragments in blood plasma that were invisible to traditional methods. This breakthrough has potential applications in cancer detection, autoimmune side-effects monitoring, and understanding human gene activity.
A team of researchers from Germany has successfully developed a new method for creating wound-healing tissue scaffolds using plasma protein. The scaffold can be attached or detached from a surface and retains the properties of the protein, making it suitable for various biomedical applications such as blood coagulation and drug screening.
Researchers have identified six proteins associated with early-stage non-alcoholic fatty liver disease (NAFLD), a condition that can progress to end-stage liver cirrhosis. The discovery of protein PIGR as a candidate biomarker for liver damage tests offers a promising new diagnostic tool.
Researchers used fidget spinners to separate blood plasma with high purity in just four to seven minutes, setting up a potential solution for resource-limited regions. The method, which uses the spinner's centrifugal force, can detect clinically relevant concentrations of viral proteins in only a drop of blood.
A new study found that transfusions of packed red blood cells stored for 22 days or more are associated with a 5% increase in mortality risk in trauma patients. The study suggests that patients who require massive transfusions may benefit from receiving fresh stored packed red blood cells, or those stored for 14 days or less.
Researchers found that chewing vitamin-supplemented gum increased levels of water-soluble vitamins in saliva and plasma. The study validated the concept of gum as an effective delivery system for at least some vitamins.
A national clinical trial found that prehospital plasma transfusion can reduce mortality in traumatically injured patients with severe bleeding. The study, published in the New England Journal of Medicine, showed a 9.8% increase in survival rates among patients who received two units of plasma during air medical transport.
Researchers have identified specific lipid species in the blood and liver that correlate with healthy or fatty liver states. These findings suggest that measuring individual lipid species may provide a more accurate diagnosis of metabolic diseases such as NAFLD, diabetes, obesity, and metabolic syndrome.
Research from the University of Eastern Finland found a link between higher serum vitamin D levels and lower plasma cholesterol levels in primary school children. Children with sufficient vitamin D levels had lower total and LDL cholesterol levels compared to those with insufficient levels.
The study used LC-HRMS/MS to identify two main metabolites of Nitroproston in rat plasma: 1,3-GDN and PGE2. In human whole blood, Nitroproston biodegradation rate was the slowest, occurring more rapidly in whole blood. This suggests that metabolism is mainly associated with RBC fractions.
A study of US hospital inpatient discharges from 1993 to 2014 found a decrease in red blood cell and plasma transfusions between 2011 and 2014. This trend may be attributed to the implementation of restrictive transfusion practices aimed at improving patient outcomes and conserving blood.
Researchers have created an engineered form of ADAMTS-13 (BAX 930) to restore the missing enzyme in patients with congenital thrombotic thrombocytopenic purpura (TTP), a rare and life-threatening blood disease. The therapy was found to be safe and effective, with no allergic reactions or serious adverse events.
Researchers identified a protein, TIMP2, that had the same effect when injected into older mice. The findings could lead to new treatments for age-associated declines in mental ability.
A study from Massachusetts General Hospital found that a widely adopted blood transfusion practice may not benefit patients without traumatic injuries and may even be harmful. The practice, which involves giving patients more plasma than red blood cells during massive transfusions, was previously studied only in trauma patients.