Researchers have introduced polyproline as an effective cryoprotectant for monolayers of cells, doubling cell recovery after freezing compared to dimethyl sulfoxide. The proline/polyproline combination minimizes solvent exposure and retains cell functions.
A new study found that normothermic machine perfusion can evaluate kidney quality and suitability for transplantation. Four out of five kidneys assessed by the technique functioned immediately after transplantation.
Maintaining at least low levels of physical activity throughout middle age was associated with lower prevalence and incidence of joint symptoms later in life. The potential protective effect of physical activity on joint symptoms was stronger in obese women than in under or normal weight women.
A Pediatric Pulmonology study of 376 infants found that increasing hair nicotine levels were associated with prior parent-reported smoking exposure and potential increased risks of wheeze and asthma. Higher levels of hair nicotine were also linked to smoking in pregnancy, although associations at older ages were non-significant.
A new study examines how opioids affect proteins in the brain beyond opioid receptors, revealing potential analgesic and toxic effects. The researchers found that certain synthetic opioids inhibit serotonin transporters, which may contribute to their pain-relieving properties but also increase the risk of serotonin syndrome.
Scientists at Fudan University have designed a high-rate and long-life lithium-ion battery with improved low-temperature performance. The battery system features a cold-enduring hard-carbon anode and a powerful lithium-rich cathode, with the initial lithiation step integrated.
Large racial disparities were found in the survival of patients with ovarian, colon, and breast cancers in the United States. Black women had consistently worse survival compared to white women, despite similar stage distributions. The five-year net survival for black women was lower than for white women in all three types of cancer.
Research indicates that being overweight or obese can lead to poorer RA treatment outcomes and higher mortality risk. Studies show that patients with healthy weights are more likely to achieve remission, while those who are overweight or obese face a 25-47% lower chance of sustained remission despite similar treatments.
A recent study of 27,940 Chinese newborns found that low vitamin D levels at birth were associated with a higher risk of autism spectrum disorders (ASDs) at age 3. The risk was significantly increased in each lower quartile of vitamin D level compared to the highest quartile.
Large corporations are investing less in science, with publications by company scientists declining across industries since 1980. The value attributed to scientific research has dropped, while technical knowledge remains stable, suggesting a shift towards commercializing existing knowledge.
A new study published in the British Journal of Clinical Pharmacology demonstrates pain relief in humans using a Trk inhibitor. The study involved 20 participants and compared the inhibitor with pregabalin, ibuprofen, and placebo.
Research suggests that US arthritis prevalence is much higher than current estimates, especially among younger adults. The study found that 91.2 million US adults are affected by arthritis, with a significant impact on healthcare costs and productivity.
Low rates of routine HIV testing were reported in emergency departments and acute medical units in the UK and US, with operational and patient-specific factors hindering uptake. The study identifies providers' fears about offering HIV testing as a major barrier, stemming from perceived lack of knowledge about HIV.
A new study found that both alcohol consumption and metabolic factors contribute to the risk of severe liver disease in the general population. The research, published in Hepatology, suggests that considering both factors together can improve risk assessment and detection of individuals at high risk of progressive liver disease.
A strong link has been found between childhood obesity and mass media exposure in European countries. Parents are advised to limit TV viewing and computer use to 1.5 hours a day for children over four years old to promote healthy development.
Female gender and personal burnout linked to impaired sleep quality among shift-work nurses. Working in psychiatric settings with long cycle shifts and daytime dysfunction also associated with burnout.
A study found that individuals with lower education levels experienced worse pain and function after two years if they lived in impoverished communities undergoing total knee replacement. Conversely, educational level was unrelated to outcomes in wealthier areas.
A recent study of publicly available regulatory documents found that biosimilars have a comparable safety profile to their originators. The analysis identified only minor differences in safety concerns for most substances, with the exception of infliximab, where more issues were reported.
Researchers have discovered a new marker, Ratiometric thrombin-Activatable Cell Penetrating Peptide, to identify joints with established arthritis and predict subsequent swelling. This imaging tool may help clinicians monitor arthritis development and progression, enabling early intervention.
A study comparing diabetes foot care regions in England found that areas with comprehensive services had significantly lower rates of major amputations. The introduction of key services, including podiatry staffing and orthotist availability, led to improved outcomes.
A new study reveals barriers to routine HIV testing in emergency departments and acute medical units in the UK and US. The analysis found that operational and patient-specific factors hindered HIV testing coverage, while commitment from medical staff and local specialist providers facilitated its offer.
A recent survey found that 16%-48% of participants believed vaginal birth was harmful to sexuality, despite research contradicting these claims. Individuals who endorsed these beliefs were more likely to hold negative attitudes toward female genitalia and rely on reality-based information.
Research suggests that mothers who were overweight or obese before pregnancy face a higher risk of compromised neurodevelopmental outcomes in their children, including Attention Deficit Hyperactivity Disorder and Autism Spectrum Disorder. Maintaining a healthy weight during pregnancy may also be crucial for optimal brain development.
A study published in Autism Research found a correlation between shorter time intervals between pregnancies and increased risk of Autism Spectrum Disorder in second-born children. The researchers suggested that couples planning pregnancy should discuss their options with a trusted doctor or healthcare provider.
A recent study found that opening windows or doors reduces carbon dioxide levels in bedrooms, correlating with improved subjective sleep assessments. Lower CO2 levels also associated with better objective sleep measures, including efficiency and awakenings.
A recent study published in the Journal of Child Psychology and Psychiatry reveals that cognitive-behavioral sleep interventions are most effective for adolescents with higher levels of anxiety and depressive symptoms. These findings suggest that sleep improvement treatments can be a useful tool in addressing mental health issues.
Researchers investigated the effects of synthetic cannabinoid JWH-018, finding initial impairments in neurocognitive function and subjective feelings of high. The results suggest that common use scenarios may not be fully represented by the low drug concentrations used in the trial.
A new analysis of published studies found a 45% increased risk of congenital heart defects in IVF-conceived children compared to spontaneously conceived children. The study included 25,856 children from IVF and 287,995 from spontaneous conception, finding 1.30% and 0.68% cases of congenital heart defects respectively.
A study of community-dwelling individuals aged 70-90 found that leaving the house daily lowered mortality risk, independent of social, functional, or medical factors. Daily outings facilitated exposure to beneficial experiences and allowed resilient individuals to remain engaged despite physical limitations.
Experts utilize cutting-edge imaging techniques to create a 3D virtual model of cells, enabling scientists, students, and the public to explore and interact with 'real' cell data. This approach may improve understanding of cellular processes and enhance learning, research, and public engagement.
The Global Hyperaccumulator Database contains data on 721 species of plants capable of absorbing high amounts of metal compounds. The database aims to facilitate the identification and utilization of these hyperaccumulators for environmental cleanup, particularly in mining-affected areas.
A new review examines veterinary antibiotic use and its impact on soil resistance, highlighting the need for tighter controls. Recent studies show increased concentrations of antibiotics and diversity of resistant genes in animal manure and treated soils.
A recent study found that approximately one-fifth of cancer patients develop PTSD several months after diagnosis. Researchers emphasize the need for early identification and treatment to improve psychological well-being and quality of life.
A new study indicates that the common eastern froglet can carry infections without experiencing mortality, which hinders efforts to reintroduce threatened species. The frog's wide distribution and high densities suggest it plays a key role in maintaining disease levels within ecosystems.
A new Journal of the American Geriatrics Society article calls for increased research on elder abuse among US Military Veterans, who face high risk due to known risk factors. The study highlights the need for a national scope and partnerships with federal agencies to improve care and prevent abuse.
A new analysis found an approximate 80% increased risk of spontaneous preterm birth when women conceive through in vitro fertilization. This risk is significant enough to warrant ultrasound cervical screening to apply preventive strategies.
The article examines how science influenced policy debates on climate change, highlighting the role of institutions in connecting scientists to decision makers. Climate change is one of humanity's greatest threats, with the scientific community playing a central role in understanding its nature and assessing options for addressing it.
A recent study found that poor academic performance at age 16 significantly increases the risk of suicide attempt, with those in the lowest GPA quartile facing a near five-fold higher risk. Researchers followed 26,315 Swedish individuals from age 16 to 46 and controlled for potential confounding factors.
Researchers developed a new model of HIV infection in microglia using CRISPR/Cas9 gene editing technology, which will aid in understanding how the virus damages the brain and developing anti-HIV therapies. The model also offers a means to evaluate therapeutic strategies targeting the virus in challenging host cells.
A new study of 4886 SLE patients and 24,430 controls found a higher proportion of dementia among SLE patients (1.56% vs. 0.51%) and a 51% higher likelihood of developing dementia after adjustments.
The article attributes Trump's victory to a rejection of the Democratic Party by working-class voters in the Rust Belt, citing institutions like labor unions as key factors. The author argues that regional characteristics and institutions connected these voters to national politics, explaining unusual voting behavior in 2016.
Researchers found that supervised exercise accelerated ulcer healing time by 22 weeks compared to compression therapy alone. The study suggests benefits for patients with venous leg ulcers, including cost savings.
A recent study found that dietary isoflavone intake was associated with an elevated risk of advanced prostate cancer, but not non-advanced cases. Isoflavones are a type of phytoestrogen found in soybeans and other plants.
A study of 6,309 community-dwelling Medicare enrollees found that whites were 1.4 times more likely to receive rehabilitation services than blacks. Despite racial differences in service use, there was no difference in functional improvement.
A study of 90 adults with type 2 diabetes found female gender, elevated blood sugar levels, neuropathic pain, and fatigue to be linked to sleep disturbance. Clinicians should prioritize females in sleep-related assessments and include symptoms like pain and fatigue in comprehensive evaluations.
Researchers identified 71 low-value general surgical procedures, with the highest impact interventions including inguinal hernia repair and routine endoscopy in asymptomatic patients. Experts emphasize the importance of maximizing patient care value through precise treatments and challenging existing dogma that 'more is better'.
A study found that lavender aromatherapy reduced preoperative anxiety in ambulatory surgery patients. The effect was modest but showed promise as a potential tool for managing anxiety in the operating room setting.
A study of 21,103 children found no significant differences in emotional and mental health difficulties between those with lesbian or gay parents and those with heterosexual parents. However, children of bisexual parents experienced greater difficulties, which disappeared after accounting for minority stress among bisexual parents.
A new study found significant disparities in survival rates for patients with different types of human papillomavirus (HPV)-associated cancers. The findings highlight the need for improved HPV vaccination, cancer screening, and treatment access to address these disparities.
Wind turbines placed along mountain ridges might disrupt bat foraging and navigation patterns. Bats often use these areas for open-space foraging and launching into the sky, attracting them to wind turbines.