A five-year study in Germany found that early ultrasound screening reduced the number of subsequent hip operations from 147 to around 80-100. However, the effectiveness depends on timely screening before six weeks of age.
Researchers use seismographic data to produce a sharp image of the planet's interior, revealing giant spouts of heat known as mantle plumes. The findings confirm the existence of these column-like structures, which are believed to cause island chains like Hawaii and Iceland.
Researchers at Max Planck Institute and Leibniz Institute have identified key metal homeostasis proteins in a hyperaccumulator plant species, paving the way for cost-effective cleanup technologies. These proteins play a crucial role in detoxifying metals in roots and shoots, allowing plants to accumulate heavy metals in their leaves wh...
Researchers have identified c-myc as a key regulator of hormone-dependent prostate cancer cell growth, potentially leading to new treatment targets. Meanwhile, a novel approach using regulatory T cells has shown promise in controlling graft-versus-host disease, while a study on mast cells reveals their role in allergic diarrhea and pot...
Researchers found that mast cells are required for experimental oral allergen-induced diarrhea, which is dependent on serotonin and platelet-activating factor signaling. Blocking these pathways could lead to new treatments for gastrointestinal allergy.
A recent study found that participants in surgery conferences were more likely to discuss medical errors as errors and attribute them to a specific cause. In contrast, conference leaders for medicine conferences missed opportunities to use explicit language in error discussion. The study highlights the need for a culture shift in ackno...
The new device detects subtle changes in cells before tumor formation, enabling early detection and potentially improved treatment outcomes. It can image small breasts and axillary lymph nodes, and works without breast compression, making it more comfortable for patients.
Researchers at Duke University Medical Center have identified a brain area, the posterior cingulate cortex, that plays a crucial role in weighing costs and benefits for decision-making. This region is also linked to neurological disorders such as Alzheimer's disease, obsessive-compulsive disorder, and schizophrenia.
A yeast model study has identified a key link between alpha-synuclein protein overexpression and Parkinson's disease, shedding light on the protein's role in neurodegeneration. The research found that doubling the expression of alpha-synuclein gene in yeast cells led to toxic inclusion bodies causing cell death and neurodegeneration.
A study using MRI technology found significantly higher levels of excitatory neurotransmitter glutamate and lower levels of inhibitory neurotransmitter GABA in the frontal region of children with ADHD. This imbalance may contribute to poor impulse control and other behavioral issues associated with the condition.
A study by Michigan Medicine found that seeking a second opinion for breast cancer may significantly alter diagnosis and treatment plans. The research, led by Dr. Amy Rochester Guest, suggests that patients with complex cases or those who are diagnosed with both breasts affected benefit most from consulting specialized teams.
Researchers have developed a device, known as a micromechanosensor, that allows for rapid detection of botulism toxins, which can cut detection time from days to minutes. This could lead to more effective treatment and lower mortality rates among those afflicted.
A recent study found that over 20% of patients with estrogen-negative breast cancer had a complete pathologic response to treatment, compared to just 5% in estrogen-positive cancers. The researchers suggest that endocrine therapies may be a more effective initial treatment for these patients.
Obese adults who lost 7% of their weight and did moderate-intensity physical exercise for six months improved their major blood vessel function by approximately 80 percent, regardless of type 2 diabetes status. This improvement in blood vessel function reduced the risk of developing arteriosclerosis and coronary heart disease.
Researchers found that c-myc promotes androgen-independent growth in prostate cancer cells, slowing growth with downregulation. This suggests a physiological role for c-myc in prostate cancer and offers a possible therapeutic target.
A new study found that moderate alcohol intake may promote brain atrophy, which can lead to lower cognition and reduced extremity function. The research, published by the American Heart Association, used magnetic resonance imaging (MRI) to assess brain abnormalities in middle-aged adults.
The Lancet editorial calls for a complete ban on smoking in the UK, citing health risks and addiction concerns. If implemented, such a ban could lead to 300,000 quitters and save 150,000 lives annually.
The McGill Centre for Intellectual Property Policy has received a $3 million grant from the Social Sciences and Humanities Research Council of Canada to examine patent systems and their impact on society. The research aims to inform policy-makers in Canada and globally about how to balance industry interests with societal benefits.
Mandel School researchers have developed a prevention model for developmental problems in adopted children. The 'Prevention, Assessment, Referral and Transition' model will be tested on 80 families over six months and 12 months.
Researchers created a modified poliovirus that targets and destroys cancer cells in the brain, but spares normal brain tissue. The virus uses a rhinovirus genetic element to trigger gene expression in cancer cells, but malfunctions in normal neurons due to lack of co-factors.
Esophageal manometry is a diagnostic tool that helps identify esophageal diseases like gastroesophageal reflux disease, heartburn, and swallowing problems. The new guidelines provide a standardized approach to performing the test, improving data sharing and interpretation among physicians.
Researchers found that low to moderate alcohol consumption is associated with decreases in brain size, but does not lower stroke risk. The study involved 1,909 men and women aged 55+, and used MRI scans to measure brain changes linked to increased stroke risk.
The American Medical Association highlights the growing importance of migraine prevention, which can reduce attack frequency and severity. Preventive therapy has shown dramatic results in patients transitioning from acute to combination acute and preventive therapy.
Researchers used seismic signals and computer analysis to derive outlines of possible secondary faults in the San Andreas Fault zone. The study's findings suggest that continued drilling will encounter significant structures before reaching the fault zone.
Researchers have developed a protocol to expand regulatory T cells ex vivo, which can induce tolerance to donor tissue and control graft-versus-host disease. This approach may lead to the development of new clinical trials using CD4+CD25+ regulatory T cells.
Researchers used baker's yeast to model Parkinson's disease, showing how a small amount of alpha-synuclein protein can cause deadly clusters. The study may lead to improved quality-control mechanisms in cells that normally dispose of misfolded proteins.
Understanding insulin-regulatory pathways is crucial to identifying health-enhancing and disease-endangering manipulations. Research has identified components of key insulin-controlled signaling pathways, including IRS1 and IRS2, which regulate body growth, glucose homeostasis, and female fertility.
Researchers found that exposing mice to Notch signal and donor material before transplantation stimulates an immune response, significantly increasing transplant acceptance. The approach targets T suppressor cells, promoting their expansion and reducing T helper cell activity.
Researchers immunized six rhesus macaques with a combination of SARS-CoV vectors, showing strong neutralizing capacity against the virus. The vaccine induced both antibody and cell-mediated immune responses, providing protection against subsequent exposure.
A new form of coronavirus was genetically altered to resemble parts of the SARS virus, then injected into rhesus macaques. The results showed strong immune responses against SARS in all immunized animals, suggesting a potential protective vaccine.
Researchers alter a single gene in fruit flies to adapt them to different environments, resulting in distinct pheromones that influence mating behavior. The change leads to potential sexual isolation, a crucial step in the emergence of a new species.
Breast cancer tumors that become resistant to tamoxifen over-produce a protein called MTA-1, which can be used to predict treatment outcomes and guide therapy selection. Testing for MTA-1 prior to treatment may help devise more aggressive strategies to combat breast cancer.
A new method for estimating true HIV/AIDS incidence has been proposed using population surveys, which may provide more accurate results than conventional estimates. The study found that HIV-1 prevalence was around 25% higher according to conventional UNAIDS/WHO estimates than data obtained from population surveys.
The HART study found HPV testing was more sensitive than cytology for detecting pre-malignant cells, but less specific. Surveillance at 12 months was as effective as immediate colposcopy for women with minimal abnormalities. This approach could improve detection rates of cervical cancer without increasing colposcopy referrals.