Researchers found that nearly a third of HIV's immune target sites were 'pre-adapted' to the newly-infected partner, suggesting vaccine designers focus on conserved viral proteins. The study builds upon previous research using computer models and emphasizes the importance of finding this balance in vaccine development.
Researchers found that chimpanzees choose to cooperate five times more frequently than compete, using various strategies to overcome competition. The study suggests shared roots of human cooperation with other primates and provides insight into human evolution.
A longitudinal study found that infants' spatial reasoning abilities measured as young as six months predict their math skills at four years of age. The researchers also discovered that individual differences in spatial aptitude are present earlier than previously thought, highlighting the potential for early intervention to improve ma...
Activated B cells play a crucial role in the formation of immune memory, with some cells persisting for months after initial exposure. The study reveals that while plasmablasts dominate early responses to infections or vaccinations, activated B cells take center stage later on.
Researchers recorded neural activity in human striatum, a key structure compromised in Parkinson's disease. The study provides new understanding of pathophysiology and potential treatments for PD.
Researchers at Emory Vaccine Center have identified molecular characteristics of T cells that expand after PD-1 inhibition, paving the way for rational design of combination therapies. The study reveals distinct co-stimulatory molecules and receptors on these revived T cells, which could be targets for drugs.
Researchers found lifestyle modification programs, modeled on diabetes prevention programs, resulted in weight reduction and additional metabolic benefits such as reduced blood sugar, blood pressure, and cholesterol levels. Programs with maintenance components showed larger benefits.
Transgenic Huntington's disease monkeys exhibit a range of symptoms, including motor problems, neurodegeneration, emotional dysregulation, and immune system changes. The study strengthens the use of HD monkeys as a model for evaluating emerging treatments before human clinical trials.
Researchers in Iquitos, Peru, found that fever reduces human mobility by 30% and increases time spent closer to home. Asymptomatic individuals play a significant role in disease transmission, highlighting the need for revised surveillance and control strategies.
A team of researchers has obtained detailed structural information on KDM5 histone demethylase inhibitors, which could inform the design of more potent and selective anticancer drugs. The study found that these inhibitors can stop the growth of certain breast cancer cells, particularly those with specific genetic markers.
A new study found that patient navigation and financial incentives were ineffective in improving HIV suppression among hospitalized patients with HIV infection and substance use. The research suggests that other approaches are needed to address the complex issues surrounding this vulnerable population.
Scientists have found that antibodies developed in response to dengue virus can cross-react with and neutralize Zika virus, but also enhance its infection in laboratory experiments. These findings suggest a complex relationship between the two viruses and offer potential insights for vaccine design and treatment.
Researchers from Emory University School of Medicine have discovered that chymase inhibitors could extend cell survival after a heart attack. The study found that suppressing chymase activity can prevent late death of heart muscle cells, which occurs several days after blood flow is restored.
Scientists have discovered that Zika virus can infect and replicate in immune cells from the placenta without killing them. This finding may explain how the virus passes through the placenta of a pregnant woman to infect developing brain cells in her fetus.
The HAMMER project aims to identify host features associated with malaria resilience and develop interventions to enhance it. By studying the malaria parasite Plasmodium knowlesi in humans and non-human primates, researchers hope to create new therapeutic strategies for severe malaria cases.
Researchers have developed a method to selectively functionalize unreactive carbon-hydrogen bonds in alkanes, a key step towards revolutionizing organic synthesis. The breakthrough enables the transformation of simple molecules into valuable chemicals with controlled site selectivity and chirality.
Researchers have discovered a type of antibiotic-resistant bacteria that looks susceptible to colistin, but actually ignores treatment. The strain, called R/S, has a genetically identical subpopulation of resistant bacteria lurking within it, making diagnosis challenging.
Researchers developed DNA-based tension sensors to study T cell interactions. They found that T cells use precise mechanical tugs to test whether a cell is a friend or foe, with stronger tugs indicating a foreign invader. This discovery could aid in the development of immune therapies for cancer and treatments for autoimmune diseases.
Researchers found that probiotics tighten gut permeability and dampen inflammatory signals that drive immune cells to break down bone. Probiotic supplements protected female mice from bone density loss after ovarian removal.
Research discovered that individuals with coronary artery disease exhibit higher baseline troponin levels independently of stress or chest pain, indicating repeated ischemic events. Mental stress tests revealed a significant increase in troponin levels, even after the event, suggesting psychological triggers play a role
Scientists developed triple-stage nanoparticles that improve tumor penetration and release cisplatin in acidic conditions, enhancing its efficacy while reducing toxic side effects. The delivery system demonstrated significant improvements in anti-tumor activity against various cancer models.
A new mathematical model suggests that competition for social status is a key driver of declining fertility rates worldwide. As the cost of achieving social status increases, people invest more in material goods and less in children, leading to lower family sizes.
Competition among malaria parasite strains in human hosts can influence the spread of drug resistance, according to a new study. The research found that when hosts are co-infected with drug-resistant and drug-sensitive strains, both strains are competitively suppressed, potentially leading to the emergence of resistant strains.
Research published in Nature found that brief restriction of amino acids can dampen intestinal inflammation in mice, mediated by the GCN2 molecule. Mice fed low protein diets or lacking GCN2 were protected from colitis-like symptoms.
A study on Bengalese finches found that dopamine levels in a specific region of the brain are crucial for correcting vocal errors. The research suggests that dopamine plays a vital role in sensory-motor learning, which underlies skills such as speaking and singing.
Researchers found that deleting the huntingtin gene in adult mice does not lead to lethal consequences, offering hope for treatment strategies involving gene silencing. The study suggests that gene suppression or editing strategies may be safe for adults, but further research is needed to understand the long-term effects.
A study published in JAMA found that severe anemia is associated with a significantly increased risk of necrotizing enterocolitis (NEC) in premature infants. The researchers discovered this link after analyzing data from over 600 VLBW infants enrolled in the study.
Researchers propose a novel framework to uncover hidden patterns of transmission and identify super spreaders in epidemics. Asymptomatic carriers can play a significant role in spreading diseases, and understanding their contribution is crucial for targeted interventions.
Scientists at Yerkes National Primate Research Center have successfully tested an immunotherapy agent that can push SIV out of its hideouts in infected monkeys. The treatment, which combines PD-1 blockade with antiretroviral therapy, resulted in more rapid viral suppression and active antiviral T cells.
The Zika epidemic underscores the importance of prioritizing vaccine development for pregnant women, who face specific challenges in clinical trials and labeling guidelines. Researchers highlight the need for a pregnancy-specific ethical framework, standardized measurement of outcomes, and more baseline data to optimize vaccine safety ...
A single dose of zoledronic acid inhibited bone loss in HIV-infected patients and reduced the risk of fractures. The study found a significant reduction in bone loss with treatment, while men showed greater protection against bone loss than women.
A study published in Nature Microbiology found that Akkermansia muciniphila and other anaerobic bacteria temporarily bloom in response to injury, contributing to wound healing. The researchers suggest exploiting these microbes as treatments for inflammatory bowel disease.
Researchers found that defective epigenetic reprogramming in embryos can lead to abnormal repetitive behaviors and changes in brain wiring in adulthood. Studies using genetically engineered mice showed that the enzyme KDM1A plays a crucial role in regulating gene expression during development.
New studies show that cells in mouse mammary tissue compare notes and share chemical signals before making a move. This collective communication process increases the accuracy of cell sensing, allowing cells to detect subtle changes in their environment.
The study found that oxytocin promotes consoling behavior in prairie voles, characterized by calming contact directed at a distressed individual. This discovery has significant implications for understanding and treating psychiatric disorders like autism spectrum disorder and schizophrenia.
A recent study published in the Journal of Neuroscience found that songbirds' vocal muscles can change their function to produce different sound parameters, similar to a trained opera singer. The research, led by Samuel Sober, shows that the bird's brain directs complex changes in muscle combinations to create complex songs.
Depression patients with systemic inflammation have elevated glutamate levels in motivation regions of the brain, which may guide personalized treatment. Elevated glutamate and myo-inositol levels are associated with anhedonia and slow motor function, suggesting a potential target for depression treatment.
A study reveals that stress hormone cortisol's inhibitory effects on the immune system may be hundreds of millions of years old. GR, a glucocorticoid receptor, can adopt different shapes to bind DNA, highlighting the importance of protein flexibility in evolving new functions.
A landmark Phase II study by Winship Cancer Institute led to the approval of daratumumab for multiple myeloma patients who have received at least three prior treatments. The drug showed an overall response rate of nearly 30% and demonstrated single-agent activity in a novel monoclonal antibody treatment.
A systems biology study of over 400 volunteers found that certain molecular signatures predict strong immune responses to seasonal flu vaccines in both young and elderly individuals. The researchers identified a distinct signature associated with long-lasting antibody responses, which may guide the development of more effective vaccines.
Researchers create spatiotemporal genomic analysis (SAGA) technique to study differences in cellular behavior, including cell migration and response to chemotherapy. This approach may lead to new treatments that hamper metastasis.
Researchers have developed a rolling DNA-based motor that's 1,000 times faster than any other synthetic DNA motor, offering potential for real-world applications in disease diagnostics. The new motor uses a burnt-bridge mechanism to guide its movement, allowing it to travel one centimeter in seven days.
High levels of inflammation markers in blood are connected to stubborn symptoms of depression, such as anhedonia. Researchers believe blocking inflammation or its effects on the brain may reverse anhedonia in depressed individuals who fail to respond to antidepressants.
Research reveals that infants can make transitive inferences about social dominance by 10-13 months of age, demonstrating an ability to reason logically. The study's findings suggest that this skill is evolutionarily important and may be shared with other animals.
Scientists have developed a novel combination treatment using IL-21 to repair the immune system in HIV-infected individuals. The study found that IL-21 reduced residual inflammation and improved the reconstitution of Th17 and Th22 cells, critical for intestinal immunity.
A new Emory University study reveals racial differences in physician trust, with black and Latino patients showing lower trust compared to white patients. The research highlights unique traits within each race that impact trust, dispelling the assumption that people of color share similar views on physicians.
A recent study published in PNAS has shed light on the mechanism of action of HigB, a bacterial toxin that contributes to antibiotic resistance. The researchers found that HigB selectively degrades specific mRNAs, leading to the formation of persister cells that are tolerant to antibiotics.
Researchers at Emory University's Winship Cancer Institute have discovered a potential anticancer drug in orange lichens, called parietin. The pigment kills human leukemia cells and inhibits the growth of cancer cell lines, including lung and head and neck tumors.
Ramanujan's original taxi-cab number, 1729, contains hidden meanings that relate to elliptic curves and K3 surfaces. Mathematicians have found a 'magic key' in his formula that can reveal secrets of these objects.
The study found that fungi change the nutritional and medicinal chemistry of milkweed leaves, affecting monarch caterpillars' susceptibility to parasitic infections. The dosage and nutrient phosphorous levels also play crucial roles in determining the outcome.