Researchers found that statins have a double impact on lipid levels, with the wealthy experiencing a greater decline in cholesterol levels compared to the poor. This has contributed to expanding social disparities in cardiovascular disease treatment.
A new study by University of Pennsylvania researchers found that common biological processes like insulin metabolism influence the body's daily clock, reversing previous assumptions about one-way communication. The findings suggest potential new treatments for metabolic disorders tied to circadian cycles.
A new study reveals a molecular circuit involving heme that helps maintain proper metabolism in the body, providing insights into metabolic disorders like obesity and diabetes. The research identifies Rev-erbα as a key player in regulating heme levels, which is crucial for maintaining energy balance.
A new study by University of Pennsylvania School of Medicine reveals that nearly half of people in foreclosure report depressive symptoms, with 37% meeting criteria for major depression. The authors urge policymakers to tie health interventions to their response to the housing crisis.
Researchers have identified a new molecular mechanism underlying Anaphase B, a previously understudied stage of cell division. The discovery has implications for understanding chromosome abnormalities and their link to cancer.
Researchers found that Wnt2 and Wnt2b molecules are crucial for specifying lung progenitor cells in the foregut region. Without these molecules, animals fail to develop lungs, highlighting their importance in treating respiratory diseases. The study's findings also suggest a connection between pulmonary and cardiac development.
Researchers have documented remarkable vision improvements in three young adults with Leber Congenital Amaurosis after receiving gene therapy. The patients continue to experience increased sensitivity to light, and one patient was able to read an illuminated clock for the first time at 1 year after treatment.
A new study from the University of Pennsylvania School of Medicine found that weightlifting can help reduce lymphedema symptoms in breast cancer survivors. The research challenges traditional advice and suggests a slowly progressive weight-lifting routine can be beneficial for women with lymphedema.
A team at the University of Pennsylvania School of Medicine has identified a new class of drug-like inhibitors for Alzheimer's disease, specifically targeting tau protein clumping. The discovery, using a large NIH library, reveals 285 compounds with potential interest and focuses on ATPZs that effectively block fibril formation.
Researchers found that individual fibers in a fibrin blood clot align with each other when stretched, causing the clot to stretch and decrease in volume. This unusual property is made possible by protein unfolding, which exposes hydrophobic parts of the molecule and expels water.
A new study reveals that specialized blood cells have bone-forming potential and can contribute to abnormal bone growth in rare genetic disorders like fibrodysplasia ossificans progressiva. This discovery has significant implications for understanding FOP and other conditions where bone forms outside the skeleton.
A protein called Pdx1 plays a previously unknown regulatory role in the development of immature endocrine system cells, ultimately giving rise to pancreatic islet cells. This discovery may facilitate beta-cell growth in labs and lead to new therapies for diabetes.
A new study reveals that three cell-signaling pathways work simultaneously to direct pancreas and liver progenitor cells to mature into their final state. The research provides insight into the basis of tissue development and how it can be manipulated for regeneration and development from embryonic stem cells.
Researchers have discovered two new structures involving the central component of an enzyme important to the complement system of the immune response. These findings may pave the way for more efficient therapeutics for diseases such as age-related macular degeneration, rheumatoid arthritis, and systemic lupus erythematosus.
A study presented at ENDO 2009 found that ghrelin infusions increased calorie intake by 51% in older women with frailty, improving growth hormone levels and overall health outcomes. Larger follow-up studies will investigate the therapeutic potential of ghrelin or mimetic agents for this population.
New research challenges standard assumptions about the timing of mobile DNA insertions in humans. Jumping gene insertions are found to occur during embryogenesis after fertilization, rather than in eggs and sperm cells. This discovery has implications for understanding genetic diseases, cancer, and the development of new genes.
Researchers found that a high-fat diet increases the risk of liver cancer in genetically susceptible mice, while switching to a low-fat diet reverses this outcome. The study could lead to screening methods for precancerous conditions and cancer prevention strategies related to obesity.
Researchers at the University of Pennsylvania School of Medicine have found that metformin can enhance the effectiveness of vaccines by boosting numbers of cancer-fighting T cells. This resulted in a larger population of memory immune cells that were able to fight off a tumor at a later time.
A study published in Nature Genetics found that men with two copies of the KITLG gene have a 4.5-fold higher risk of testicular cancer, while those with two copies of the SPRY4 gene have a 1.48-fold higher risk. The discovery sheds light on genetic factors contributing to the disease and may help identify critical environmental factors.
The shift towards oral chemotherapy agents poses risks of non-adherence, which can lead to increased healthcare costs and reduced efficacy. Studies show that non-adherence is often linked to financial constraints, education issues, and side effects, highlighting the need for innovative strategies to improve patient compliance.
A new study found that retail clinics are more likely to be located in higher-income areas, making it difficult for poor and underserved communities to access medical care. The clinics' location may be an adjunct to existing traditional medical care rather than addressing unmet needs.
A new study by the University of Pennsylvania School of Medicine found that women with chest pain are less likely to receive recommended treatments, such as aspirin and nitroglycerin, from paramedics. This disparity in care may be due to differences in symptom interpretation or patient communication, emphasizing the importance of direc...
A long-term study confirms the efficacy of CT scans in ruling out serious cardiovascular disease in patients with chest pain, with no cases of heart attacks or cardiac stents needed within a year after negative scans. The test streamlines the process, providing faster and less expensive evaluation options.
A large study at Penn Medicine has detected variations in central nervous system genes that contribute to the genetic risk of autism. The research found a particular genetic variation linked to an increased risk of autism spectrum disorder in children.
Researchers at the University of Pennsylvania School of Medicine have discovered a new target for maintaining healthy blood pressure. Mice that lack the receptor for PG F2-alpha, a type of prostaglandin, have lower blood pressure and less atherosclerosis than their non-mutant counterparts.
A new MRI technique accurately predicts specific genetic mutations in human brain tumors, a breakthrough that could lead to better diagnosis and treatment of glioblastoma. By measuring blood flow to the tumor, researchers can identify patients with high-risk mutations that require targeted therapies.
The online tool provides a roadmap for managing health after treatment, addressing late effects of cancer therapies and promoting informed discussions with healthcare teams. Researchers surveyed 3,343 individuals who created OncoLife plans, reporting high user satisfaction and encouragement to share their plans with providers.
Researchers at the University of Pennsylvania School of Medicine have found a way to change one cell type into another by flooding it with specific messenger RNAs from another cell type. This approach, called Transcriptome induced phenotype remodeling (TIPeR), offers the possibility for a new type of cell-based therapy for neurodegener...
Researchers at the University of Pennsylvania have found a new way to combat malaria by trapping parasites inside host cells. They identified an enzyme called calpain-1, which parasites use to break out of infected cells, and developed a method to block it, leaving parasites trapped.
The current system shifts liability solely to healthcare providers, even when they follow vendor instructions and software faults cause errors. The 'learned intermediary' doctrine holds physicians and other clinicians responsible for identifying HIT errors, despite the potential for fatal consequences.
A team of Penn biochemists designed a simple and robust oxygen-transporting protein using design principles inspired by nature. They successfully created the protein, which can transport oxygen, using a set of simple design principles.
The Hospital of the University of Pennsylvania reduced CLABSI rates from over 30 cases per month to less than five using a combination of leadership initiatives, electronic surveillance, checklists, and process improvements. The hospital's Toyota Production System also helped streamline care and reduce variation.
Researchers at University of Pennsylvania School of Medicine have engineered transplantable living nerve tissue that encourages and guides regeneration in an animal model. The lab-grown nerves successfully promoted nerve regeneration after injury by acting as a 'living scaffold' for host axons to regenerate across the damage site.
A new study from University of Pennsylvania School of Medicine identifies genes associated with the BRCA1 protein and their involvement in the DNA repair pathway. MERIT40, a previously unknown protein, was found to work with BRCA1-RAP80 complex to achieve DNA repair.
A new study by the University of Pennsylvania School of Medicine finds that many Americans face challenges accessing specialized medical care during time-sensitive emergencies. Hospitals in rural areas often lack resources, including staff and equipment, to provide adequate care.
Researchers have identified a master protein that maintains epithelial cell normality and prevents cancer cells from metastasizing. The Epithelial Splicing Regulatory Protein (ESRP) plays a crucial role in regulating gene splicing, and its dysregulation can lead to cancer cell migration and tissue fibrosis.
Researchers at Penn Medicine have developed a biomarker test that can confirm or rule out Alzheimer's disease by measuring cerebrospinal fluid concentrations of amyloid beta42 peptide and tau protein. The test accurately predicted the conversion from mild cognitive impairment to Alzheimer's disease in 81.8% of cases.
A new study published in Academic Emergency Medicine found that African-American patients wait about an hour longer for hospital beds than patients of other races. The findings suggest that disparities in emergency department length of stay may explain some of the poorer health outcomes seen in black populations.
A recent study at the University of Pennsylvania School of Medicine reveals that immature cells in blood vessels deep within skeletal muscle orchestrate aberrant bone formation. Cells from the inflammatory response to injury trigger skeleton-stimulating proteins to transform muscle tissue into bone.
A team of researchers, led by Mark Kahn, has discovered that CCM is caused by leaky junctions between cells in the lining of blood vessels, linked to mutated or missing proteins in a novel biochemical process called Heart-of-glass (HEG)-CCM pathway.
A new University of Pennsylvania School of Medicine study found that two-thirds of psychiatric patients referred for care following an emergency room visit are met with voicemail or long waits. Only 10% of calls resulted in an appointment scheduled within two weeks.
African populations are still evolving due to natural selection, with lactose tolerance and genetic variation influenced by diseases like malaria. Penn genetics researcher Sarah Tishkoff presents her findings on human evolutionary history in Africa.
A recent Penn study showed that sleep strengthens neural connections in the brain, leading to improved memory formation. The research discovered that a key molecule called NMDAR plays a crucial role in this process, allowing calcium ions to flow into cells and trigger enzymes that strengthen connections during sleep.
Researchers have generated altered immune cells that target mesothelin, a protein highly expressed on cancer cells, shrinking and sometimes eradicating large tumors in mice. The approach shows promise for immunotherapies against certain tumors.
Researchers used electronic medical records to evaluate drug therapies, finding results comparable to randomized clinical trials in nine out of 17 outcomes. The study suggests enormous amounts of information within EMR databases can expand healthcare knowledge.
A Penn study found a genetic link between Parkinson's disease genes and manganese poisoning, with the PARK9 protein protecting cells from toxic effects. Manganese poisoning is an environmental risk factor for a Parkinson's-like syndrome.
Researchers at University of Pennsylvania School of Medicine discovered that Ebola virus disables tetherin protein to prevent its inhibition, allowing the virus to spread. Understanding this mechanism may facilitate the development of therapeutics to slow down viral replication.
Researchers discovered that evolutionary changes produced improvements in molecules generating electrical signals in nerves between 550 and 400 million years ago. These innovations contributed to the evolutionary success and diversity of vertebrate animals. The study also found that the same electrical signaling molecules are an effect...
A new study found that breast cancer survivors are unsatisfied with the post-cancer care they receive from their primary care physicians, highlighting the need for more coordinated care. Patients advocate for educational interventions and specialized clinics to address late effects of treatments and prevent disease recurrences.
Researchers led by Nancy Speck identified the location and developmental timeline of bone marrow stem cell formation in mouse embryos. Understanding this process may help manipulate embryonic stem cells to generate new blood cells for therapy.