Researchers developed a novel gene delivery approach using scaffold/matrix attachment region (S/MAR) to enhance long-term transgene expression in proliferating cells. The modified vectors were able to establish colonies and maintain stable transgene expression in HeLa cells.
A Chinese study found very low rates of blood glucose monitoring among nearly 19,000 patients with type 2 diabetes before and after initiating basal insulin treatment. The data showed an increase in mean SMBG frequency after 6 months, but the percentage of patients who never monitored their blood glucose remained high.
Researchers developed a quality control method to evaluate pharmacological activity and effectiveness of different MβCD preparations. The new method identified differences in average molecular weight and side chain methylation among MβCD samples from different vendors and batches.
A roundtable discussion featuring Dr. Daniele Piomelli, U.S. Rep. Dana Rohrabacher, and Lori Ajax explored the intersection of medicine, law, and society regarding cannabis. The panelists shared their perspectives on topics including addiction risk, business operations, and cancer pain relief.
Research reveals that breast milk components vary with mother's circadian rhythm, potentially impacting infant health. The study suggests that this variation can produce circadian stimuli improving the well-being of breastfed infants.
A new study uses gene transfer to block the expression of an enzyme that breaks down alcohol, leading to increased acetaldehyde levels and potential treatment for alcoholism. The approach has strong proof-of-concept data and bodes well for future development of a genetic therapy.
Researchers use digital holographic microscopy to detect microorganisms and evidence of life in Enceladus water plumes. A universal biosignature is also proposed to detect biological systems on ocean worlds like Enceladus.
Researchers have found that titanium dioxide nanoparticles released from metal implants can interfere with bone formation and resorption, resulting in adverse effects. The review calls for further research to characterize the biological, physical, and chemical interactions between titanium dioxide nanoparticles and bone-forming cells.
Clinical evidence supports the use of mesenchymal stem cell transplantation to treat Crohn's disease-related fistulas, offering a safe and effective approach. The unique advantages of MSCs include ease of collection, low immunogenicity, and immunoregulatory activity.
Researchers found that the success of transplanting stem cells into the brain to regenerate tissue damaged by stroke depends on the maturity of the neuronal precursor cells used. Mid-differentiated cells were most likely to mature and become neurons, according to the study published in Tissue Engineering.
Researchers identified five specific warning behaviors in the Berlin attacker prior to the 2016 attack, which could inform future threat assessments. The study explores how better awareness of these signs and understanding of perpetrator radicalization might improve prevention.
A new study suggests that primary care providers' failure to discuss sexual orientation and behaviors with MSM is a significant barrier to accessing PrEP. The researchers found that improved communication would allow for more open discussion about health risks and preventive interventions.
A new study has demonstrated the potential of using a frequency distribution-based index of brain functional connectivity as a biomarker for detecting Alzheimer's disease and mild cognitive impairment. The findings show good accuracy across databases and test sites, offering promise for widespread clinical usage.
A meta-analysis of studies found frequent sperm aberrations and lower fertility rates among men after undergoing Roux-en-Y gastric bypass procedures. Researchers identified elevated estrogen hormone levels and deficient vitamin D as potential factors contributing to semen abnormalities and reduced fertility.
A new study published in LGBT Health suggests that alternative cervical cancer screening methods, such as HPV self-sampling, can increase screening rates among transgender men. The research found that over half of participants preferred HPV self-sampling and had not received a Pap smear within the previous three years.
Researchers developed a drug treatment that prevents bladder wall remodeling, significantly improving bladder compliance in dogs with spinal cord injuries. The study found long-term benefits for animals treated with the broad spectrum MMP inhibitor GM6001.
Researchers present a comprehensive overview of novel approaches to combating metastatic colorectal cancer, highlighting the potential of immunotherapies and targeted biological agents. The article discusses recent progress and future prospects for these treatments, including combination therapies and overcoming drug resistance.
A recent study of over 5 years of pediatric patients treated for sports concussion found that magnetic resonance imaging (MRI) revealed structural changes to the brain related to persistent symptoms. However, the study indicated that MRI in children with persistent symptoms after concussion rarely identified brain injury.
The Harvard-Osher Center for Integrative Medicine has partnered with The Journal of Alternative and Complementary Medicine (JACM) to showcase cutting-edge mind-body research. Recent studies explored the impact on telomere length, group-based clinical interventions, and electronic apps for veterans' mental health.
Researchers found that hypothermia can limit cell death and dynamin levels in mice with cerebral blockage. This suggests that dynamin may be a potential drug target for stroke-related neuronal cell death.
A retrospective study of nearly 1,100 patients with severe TBI found that ICP monitoring was associated with a significant decrease in mortality rates, but no improvement in favorable outcomes. The study also showed that ICP monitoring was linked to more aggressive therapy.
Researchers found that NS1 suppresses the body's immune responses to viral infection, suggesting a new approach to combat influenza A virus infection. The study proposes developing a live attenuated vaccine based on an engineered influenza A virus lacking NS1 and designing antiviral drugs targeting NS1.
A study of 43 patients with pancreatic ductal adenocarcinoma found two preoperative factors strongly predictive of poor prognosis, regardless of tumor stage. These biomarkers, C-reactive protein/albumin ratio and prognostic nutritional index, may help plan treatment strategies to improve patient outcomes.
A phase 3 trial found that biosimilar insulin lispro (SAR342434) has comparable efficacy and safety to Humalog in adults with type 1 diabetes. The study's findings support the use of biosimilars as a cost-effective alternative for insulin treatment.
Scientists have successfully generated dopaminergic neurons in a non-human primate model using induced pluripotent stem cells (iPSCs) derived from adult marmoset monkeys. This breakthrough advances the use of marmosets as a model for Parkinson's disease, enabling the development of regenerative medicine approaches.
Research examines how gastric emptying rates affect postprandial glucose levels and incretin hormone secretion. The study reveals the gastrointestinal tract's contribution to insulin regulation in individuals with type 2 diabetes.
A study found that extended-release guanfacine only showed a small reduction in tic severity among children with chronic tic disorders, with no significant difference between the drug and placebo. The medication was associated with common side effects such as fatigue, dry mouth, and headache.
Researchers Thomas Arnold and Matthias Scheutz outline three general guidelines for developing soft robotic technology within the context of social human-robot interaction. The guidelines aim to address potential risks such as misplaced emotional attachments and personally destructive behavior by users.
Researchers discovered a single nucleotide polymorphism in the hepcidin promoter gene associated with increased susceptibility to extrapulmonary tuberculosis. This genetic variation leads to decreased hepcidin production, impairing macrophage function and allowing M. tuberculosis to spread to other areas of the body.
A comprehensive treatment framework is presented to guide the management of children with PANS/PANDAS, focusing on psychiatric interventions, infection prevention, and immunomodulatory therapies. The guidelines aim to improve symptom relief, functioning, and adherence to therapeutic interventions.
Researchers designed a multi-chambered soft pneumatic actuator that generates cyclical motion and exhibits several advantages. The actuator can be used in environments sensitive to electromagnetic fields or flammable liquids without risk of bursting.
A new study found that the Service Intensity Add-on payment for in-person routine home hospice care can increase visits by nurses or social workers during a patient's last week of life. The payment, added to Medicare/Medicaid coverage in 2016, led to a 21.6% increase in average SIA payments and potential disparities reduction.
The new journal will publish interdisciplinary research using systems biology and network medicine to personalize patient treatment. It aims to address the need for authoritative information on systems medicine and its integration in clinical care.
Researchers have developed novel secreted reporter proteins that can be detected for several months after infusion into the liver, demonstrating potential for monitoring therapeutic gene delivery and ongoing expression. The findings show promise for scaling up this method to humans.
Researchers have successfully delivered a gene therapy to the brains of mice with mucopolysaccharidosis type 1, preventing neurologic deficits. The noninvasive intranasal approach shows promise for treating genetic disorders affecting the brain.
A comprehensive look at chemical sensitivity reveals its role in diseases like obesity, diabetes, and depression. The issue explores the mechanisms behind these conditions and the impact of commercial interests on environmental medicine.
The National Institutes of Health has instituted a policy to consider sex as a biological variable in funded research, with recommendations provided by coauthors Terri Lynn Cornelison and Janine Austin Clayton. Guidelines include including both male and female subjects in studies and generalizing findings appropriately.
Researchers developed two types of titanium implants with fine and coarse textures using electron beam melting and direct metal laser sintering. The study found substantial differences in mechanical testing results, including improved osseointegration and torsional properties for the fine-textured implants.
A new special issue of Big Data highlights the risks associated with big data, including discrimination, lack of diversity, and bias. The issue discusses strategies for making decision-making 'discrimination-aware' and emphasizes the importance of considering ethical issues in model development.
Researchers found significant dose-dependent changes in cortical neural networks after radiotherapy for brain tumors, affecting global network effects and cognitive processing.
A new study found that nearly 25% of socioeconomically marginalized women stopped breastfeeding after one month compared to about 7% of those in the privileged group. The reasons for early cessation differed between the two groups, with skin-to-skin contact and other factors identified as targets for interventions.
Researchers used fMRI to analyze brain activity in children with ASD, identifying relationships between emotional lability and neuronal activity in two brain regions. The study suggests that differences in neuronal network interactions may play a role in emotion regulation variability in individuals with ASD.
Research suggests that anti-Muslim sentiment can promote discrimination, limiting Muslim communities' social resources and social cohesion, which may lead to radicalization. Promoting community capacity building could be an effective strategy to improve health and limit radicalization.
A new study from the Kennedy Krieger Institute found that acupuncture interventions can lead to improved behavior, attention span, sleep quality, and reduced parenting stress in young children with autism spectrum disorder. Most parents reported a positive relationship with their child after participating in the intervention.
Researchers found that increasing roasting levels reduced antioxidant and anti-inflammatory activities in coffee extracts, with chlorogenic acid varying by roast level. The study suggests some beneficial compounds may be affected by the roasting process.
The article presents Elon Musk's vision for a self-sustaining city on Mars, requiring significant improvements in transportation costs. The CEO of SpaceX discusses the advantages of using Mars as a hub for a multi-planetary species, including its planetary options and system architecture.
A study of US children found that lower-income kids tend to be heavier than their upper-class peers. However, the quality and proximity of playgrounds had no significant association with childhood obesity.
Research reveals mast cells can contribute to severe dengue disease by increasing vasculature permeability, providing insights into pathogenesis and potential treatments. Mast cell activation mechanisms also affect local immune responses during dengue transmission.
Research published in The Journal of Alternative and Complementary Medicine found that vaporized cannabis oil can produce cancer-causing compounds when heated. Formaldehyde levels were found to exceed the daily exposure limit with just one inhalation, highlighting potential health risks.
A new study found that oral prednisone reduced immune responses to AAV-based gene delivery, resulting in a 60% decrease in cytotoxic T cell infiltrates. The treatment also increased PD-L2 levels, which induce programmed T-cell death, suggesting a potential therapeutic benefit for gene therapy.