A study found that family members of ICU patients tend to be overly optimistic about recovery prospects, even when faced with poor prognoses. The researchers suggest that this optimism serves as a coping mechanism in high-stress situations, and may lead to caregiver decisions that do not reflect the patient's values.
A powerful new imaging technique called High Definition Fiber Tracking (HDFT) has been developed to clearly see for the first time neural connections broken by traumatic brain injury. HDFT scans have identified disruptions in neural pathways, allowing researchers to pinpoint breaks in the cables and quantify the proportion of fibers lost.
A Pittsburgh study found that regional differences in Medicare drug spending are primarily due to the use of more expensive brand-name drugs, rather than volume. The study suggests that promoting the use of generic medications could lower out-of-pocket costs for patients and save Medicare money.
Scientists at the University of Pittsburgh School of Medicine have discovered that injecting stem cells from young, healthy animals into rapidly aging mice can improve their health and increase their lifespan. The study found that stem cell dysfunction is a major contributor to the aging process.
Researchers found that Th17 cells, a specialized immune cell group, can confer immunological advantage against infectious organisms. The approach uses protein complexes in the cell membrane as antigens, offering potential for simplified vaccination and broader coverage against diverse bacterial strains.
A team of researchers has pinpointed an amino acid variation in the immune response gene DRB1 as a key factor in ulcerative colitis. This association was confirmed using sophisticated association techniques and suggests that the gene plays a significant role in determining the human immune response to extracellular antigens.
A Pitt study found that EMS workers' perceptions of workplace safety culture are associated with negative patient and provider safety outcomes. The analysis of 412 surveys showed that individual EMS worker perceptions impact composite measures of patient and provider safety outcomes.
A recent study by University of Pittsburgh researchers found that fatigue and poor sleep quality among emergency medical services (EMS) workers are associated with higher rates of injuries, medical errors, and safety-compromising behaviors. The study suggests that improving sleep quality and reducing fatigue may be key targets for inte...
Researchers find that toxic byproducts from unsaturated fat breakdown lead to severe inflammation, cell death, and multi-system organ failure in obese acute pancreatitis patients. The study provides new insight into how fat can induce complications after sudden inflammatory illnesses.
A panel of blood proteins can predict patient survival in idiopathic pulmonary fibrosis, guiding treatment plans and identifying those in urgent need of a lung transplant. The biomarker panel has predictive power that may also help design more effective research trials.
Studies of older adults reveal distinct immunologic patterns associated with physical and cognitive resilience, which could help identify individuals at risk for illness. The findings suggest that the immune system undergoes dynamic changes with age, influencing function.
Researchers found that melatonin delayed the onset of symptoms by 19% and reduced mortality by 18% in a mouse model of Huntington's disease. The hormone was shown to target mitochondria, reducing programmed cell death, and increasing neuroprotection when administered.
A University of Pittsburgh study found that introducing new vaccines can decrease vaccine availability by up to two-thirds due to storage and transportation issues. Computational models can forecast the impact of new vaccine introduction and identify potential disruptions.
Researchers at the University of Pittsburgh have identified a powerful molecular pathway regulating the liver's insulin management and new glucose production. FOX06, a protein family member, plays a crucial role in glucose production, leading to improved blood sugar levels when inhibited.
A new study from the University of Pittsburgh School of Medicine found that anti-reflux surgery can preserve lung function in patients with end-stage pulmonary disease both before and after transplantation. The procedure was associated with improved lung function, reduced episodes of acute rejection and pneumonia, and may help extend t...
The Pitt team discovered molecular changes in the brains of women with major depressive disorder, including reduced BDNF and GABA gene expression. These findings replicate changes seen in a mouse model, providing new insights into depression's biological mechanisms.
Researchers at the University of Pittsburgh Cancer Institute have identified the small tumor protein (sT) as the oncoprotein that triggers Merkel Cell Carcinoma (MCC), a rare but deadly skin cancer. The discovery could improve diagnosis and understanding of MCC, potentially shedding light on other cancers.
Researchers at the University of Pittsburgh School of Medicine identified a molecular pathway that helps explain how an enzyme elevated in asthma patients contributes to inflammation and mucus production. The study reveals unique interactions between biological molecules that could be targeted to develop new asthma treatments.
Dental enamel's unique structure is formed through a complex biomineralization process. The Pitt team identified the role of amelogenin in self-assembling into higher-order structures that guide mineral particles into parallel arrays, leading to highly mineralized enamel.
J. Craig Venter will receive the Dickson Prize in Medicine for his groundbreaking contributions to human genome mapping and synthetic biology, including the completion of the first draft of the human genome and construction of a synthetic bacterium. The award recognizes his innovative work as a scientist, researcher, and entrepreneur.
A new study from the University of Pittsburgh found that medically treated GERD patients with mild or no symptoms are at a higher risk for developing esophageal cancer. The research suggests that even asymptomatic patients may benefit from Barrett's esophagus screening to prevent cancerous transformation.
A team of researchers has discovered that stored transfusion blood can accumulate 'free' hemoglobin and microparticles that react quickly with nitric oxide, leading to blood vessel constriction and hypertension. The findings suggest that a new approach to blood storage may be necessary to prevent complications.
Researchers at the University of Pittsburgh School of Medicine developed a new method for scoring illness severity in post-cardiac arrest patients, showing improved survival rates and neurologic outcomes. The study found that objective data available to clinicians during initial evaluation can better predict patient outcomes.
A new study found that people diagnosed with type 1 diabetes can expect to live up to 15 years longer than previously thought. The study, published in the American Diabetes Association's 71st Scientific Sessions, analyzed data from a 30-year prospective study and found a significant improvement in life expectancy among participants.
A randomized study found outpatient care for low-risk patients with pulmonary embolism to be as safe and effective as inpatient care. The study showed reduced rates of recurrent venous thromboembolism, major bleeding, and death in outpatient patients.
A study by the University of Pittsburgh found that gay, lesbian, and bisexual youth experience higher rates of bullying, abuse, and missing school due to fear. They are also more likely to suffer from psychological problems, substance abuse, and other issues.
Researchers found that new neurons in adult monkeys take more than six months to mature, which challenges the notion that this process is related to the effectiveness of antidepressant medications. This finding suggests that the human brain may experience even longer maturation periods due to its larger size.
Pitt researchers created a mouse model of major depressive disorder (MDD) using a rare genetic mutation. The model exhibits alterations in brain anatomy, gene expression, behavior, and increased infant mortality, supporting the role of the genetic variant in MDD development.
A new study from the University of Pittsburgh School of Medicine reveals that tinnitus is caused by a lack of inhibition in key neural pathways of the brain's auditory center. The research suggests that increasing GABA-mediated inhibition may be an effective treatment for tinnitus, and a potential new approach to drug development.
Researchers from UPCI and Pitt will present over 80 posters, talks, and tutorials on various cancer studies, including the effects of immunomodulatory derivatives on blood cell production pathways and the role of inflammatory mediators in immune system dysfunction. Additionally, they will discuss the development of vaccines targeting p...
A University of Pittsburgh study found that teenagers who spent more time listening to music were 8.3 times more likely to be depressed, compared to those who read books the most, which had a protective effect against depression. The study used an intensive 'real-life' methodology and involved 106 adolescent participants.
An intensivist-led approach to caring for brain dead donors can lead to a greater likelihood of recovering organs for transplant. This team-based care involves monitoring and managing donor bodies to optimize organ function and increase the pool of available organs.
A new oral drug intended to protect healthy tissue from radiation effects has been found safe for use in advanced non-small cell lung cancer patients. The agent, called manganese superoxide dismutase plasmid liposome, boosted antioxidant levels and reduced inflammation without protecting tumor cells.
A University of Pittsburgh study found that if eligible patients filled prescriptions through a $4 generic drug program, the societal savings could amount to nearly $6 billion. The study examined a large group of people who used generic medications or their brand-name counterparts and found that less than 6% used the discount programs.
According to a new study from the University of Pittsburgh School of Medicine, only one out of 1,900 people met the American Heart Association's definition of ideal cardiovascular health. The study evaluated 1,933 participants and found that less than 10% met five or more criteria for heart-healthy behaviors.
Two projects will test BCI technology in patients with spinal cord injuries, allowing them to control computer cursors and prosthetic limbs using their thoughts. The projects aim to gain a better understanding of how to train and motivate patients who will benefit from BCI technology.
A study conducted at four US intensive care units found that caregivers who hadn't discussed life support measures with critically ill patients took nearly two weeks longer to make decisions. Patients' loved ones were also more confident as surrogate decision-makers when they perceived high-quality communication with physicians.
A team of researchers led by the University of Pittsburgh School of Medicine has confirmed that a gene from the measles virus plays a key role in the development of Paget's disease of bone. The study found that osteoclasts in affected patients express a viral protein, leading to characteristic bone lesions and increased risk of fracture.
Alzheimer's disease researchers found that deadly plaques interact with cellular proteins to reduce blood flow and signal molecules in the brain. The study suggests that blocking specific interactions could slow neuronal degeneration and protect nitric oxide production.
Breast cancers that arise sporadically likely start with defects of DNA repair mechanisms, allowing environmentally triggered mutations to accumulate. This deficiency could set the stage for cancer development, increasing risk with age as DNA damage accumulates.
A new study published in the New England Journal of Medicine found that there is significant variation in prescription spending across hospital-referral regions in the US. Despite high spending, some areas still prescribe unnecessary medications to seniors, leading to complications and increased healthcare costs.
A new study combining stereotactic body radiotherapy (SBRT) with chemotherapy Cetuximab effectively controls and treats recurrent head and neck cancers. The regimen reduces treatment time while minimizing debilitating side effects.
Researchers found that NSAIDs like aspirin trigger programmed cell death in abnormal stem cells, preventing colon cancer. This discovery could lead to new strategies for protecting people at high risk of the disease.
A team led by Judith Yanowitz has discovered a protein that plays a key role in choosing where genetic material gets swapped between maternal and paternal chromosomes during egg and sperm formation. This discovery sheds light on the roots of chromosomal errors and gene diversity, with potential implications for understanding infertility.
A recent study by the Pitt/Iowa team reveals that a structural molecule and cellular pump influence pneumonia severity. Excess cardiolipin disrupts surfactant function, leading to tissue damage.
Researchers found that fat-derived stem cells are safe to use in breast tissue reconstruction after mastectomy as long as there is no evidence of active cancer. The study suggests that dormant cancer cells are not sensitive to the growth signals sent by the stem cells.
A quick-dissolving vaginal film containing a powerful anti-HIV drug is being developed by researchers at the University of Pittsburgh. The film could provide an alternative dosage form that releases the drug faster and more efficiently than existing gel formulations, potentially leading to better protection from HIV infection.
A survey of 61 EMS agencies found wide variation in perceptions of workplace safety culture, with air-medical agencies tending to score higher across all domains. The study provides benchmarking data for EMS agencies and a reliable tool to evaluate safety within their agencies.
Research reveals that breastfeeding significantly reduces mothers' risk of developing type 2 diabetes later in life. Mothers who did not breastfeed had a 56% lower rate compared to those who breastfed, highlighting the benefits of lactation on maternal health.
Researchers found that vitamin D can reduce the production of a protein driving an allergic response in cystic fibrosis patients and increase production of proteins promoting tolerance. The findings support a potential clinical trial to prevent or treat Allergic Bronchopulmonary Aspergillosis (ABPA) in these patients.