Researchers have made a significant breakthrough in understanding the mechanisms of amyotrophic lateral sclerosis (ALS), a progressive neurodegenerative disorder. The study found that ezogabine treatment can reduce motor neuron excitability in ALS patients, suggesting a potential new therapy for the disease.
A new study by MassGeneral Hospital for Children finds that breastfeeding mothers are more likely to quit smoking when they have access to evidence-based assistance. The CEASE program, which trains pediatric office staff to screen and support smoking families, provides nicotine replacement prescriptions and referrals to state quitlines.
Researchers have used magnetoencephalography to measure magnetite levels in the human brain, which could lead to new studies on its role in neurodegenerative diseases. The study found greater accumulation of magnetite in the brains of older individuals, primarily in the hippocampus.
A Phase 3 clinical trial shows that lanadelumab injections significantly reduce the number of hereditary angioedema attacks, with improvements in quality of life. The treatment also outperforms placebo in reducing attack frequency and severity.
Physicians Amir Mohareb and Louise Ivers condemn the Saudi-led coalition's attacks on healthcare facilities and services in Yemen, exacerbating outbreaks of infectious diseases and starvation. The authors stress the need for international humanitarian agencies to investigate attacks on medical personnel and facilities.
A recent study from Massachusetts General Hospital found no association between urate manipulation and blood pressure, suggesting that treating neurodegenerative disorders with elevated urate levels may not increase the risk of hypertension. The study used phase 2 clinical trial results and animal model studies to support its findings.
Researchers identified specific CD8 T cell states associated with patient response to checkpoint immunotherapy for melanoma. The study found that tumors responding to therapy had a higher proportion of stem-cell-like memory CD8 T cells, while non-responding tumors had more dysfunctional/exhausted T cells.
Patients receiving minimally invasive radical hysterectomy for early-stage cervical cancer have an increased risk of death compared to those treated with open surgery. A long-term analysis of nationwide databases found a 9.1% risk of death in the minimally invasive group, significantly higher than the 5.3% risk in the open surgery group.
A study found that one month of abstinence from cannabis improved memory functions among adolescents and young adults, including the ability to learn and recall new information. Cognitive improvement occurred largely during the first week of abstinence, suggesting that abstaining from cannabis helps young people learn efficiently.
A combination of buprenorphine and samidorphan has shown significant symptom reduction in patients with major depression, with no evidence of dependence or withdrawal. The trials suggest a new class of antidepressants with a novel mechanism of action could have a significant impact for patients with persistent symptoms.
Targeting immune checkpoints in microglia may reduce neuroinflammation in neurodegenerative diseases. Dysregulation of these checkpoints is linked to diseases such as Alzheimer's, Parkinson's, and ALS.
A study published in Molecular Psychiatry has identified two subanesthetic doses of ketamine as effective in reducing symptoms of treatment-resistant depression. The doses of 0.5 mg/kg and 1.0 mg/kg showed significant symptom improvement, while lower doses did not produce the same results.
Researchers at Massachusetts General Hospital report significant hair regrowth in a 13-year-old patient with total alopecia and eczema after treatment with dupilumab. The drug's mechanism of targeting an immune system pathway overactive in eczema may also induce hair growth in other alopecia patients.
A Massachusetts General Hospital-led study found that regular aspirin use can significantly reduce the risk of developing primary liver cancer. The study analyzed data from over 133,000 participants and found a 49% reduction in relative risk for those taking two or more standard-dose tablets a week.
Massachusetts General Hospital researchers are studying the interaction between the gut microbiome and its effects on autism spectrum disorders. The goal is to identify biomarkers that can predict the development of ASD in genetically predisposed infants.
Massachusetts General Hospital is participating in a clinical trial to evaluate the effectiveness of ZMapp, an experimental Ebola treatment. The hospital aims to enhance its biothreats preparedness and provide access to life-saving therapeutics for patients with confirmed Ebola or high-risk exposure.
A study by Massachusetts General Hospital researchers found elevated glial activation in the brains of fibromyalgia patients, correlating with fatigue levels. The results suggest that neuroinflammation may be a potential treatment target for the condition.
Researchers genetically engineered olfactory ensheathing cells to carry an anticancer drug, reducing tumor growth and improving survival in a mouse model. The treatment delivered the medication directly to glioblastoma cells while sparing healthy tissue, leading to a significant reduction in tumor size and prolonged survival.
A Massachusetts General Hospital study found that health plans and network servers were the sources of the highest number of breached patient records, with breaches involving health plans accounting for 63% of all breached records. The study analyzed data breaches from 2010 to 2017 and found that the greatest number of patient records ...
Researchers at MassGeneral Hospital for Children found that microglia play a crucial role in shaping behavior during adolescence, with different effects in males and females. The study suggests that this process could improve understanding of normal behavioral changes and neuropsychiatric disorders that emerge during adolescence.
Massachusetts General Hospital researchers discovered that extracellular RNA in urine can serve as a source of biomarkers for muscular dystrophy. This non-invasive assay allows for the monitoring of systemic diseases and may reduce or eliminate the need for muscle biopsies, enabling early identification of therapeutic response.
The FRESH program has shown that young women in South Africa are more likely to be infected with HIV due to socioeconomic factors such as gender inequality and economic dependence. The program also identified biologic factors contributing to a higher risk of HIV infection, including hormonal levels and bacterial microbiome composition.
A Massachusetts General Hospital study shows that exercise induces neurogenesis and improves cognition in a mouse model of Alzheimer's disease. Exercise mimics the beneficial effects of physical activity on cognitive function by creating a more hospitable brain environment for new neurons to survive.
A study by Massachusetts General Hospital researchers found that the abnormal form of tau associated with Alzheimer's disease disrupts communication between a neuron's nucleus and cytoplasm. This disruption leads to brain cell dysfunction and death, contributing to neuronal loss in Alzheimer's disease.
Researchers at Massachusetts General Hospital discovered how NF-2 gene mutations lead to hyper-responsiveness to growth factor signaling, driving out-of-control cellular proliferation. This phenomenon is mediated by macropinocytosis, a process that enables cells to engulf fluids and nutrients from their environment.
Researchers from Massachusetts General Hospital found that immune cells responding to a stroke or brain injury in an animal model are more likely to come from the skull's bone marrow. Microscopic channels were discovered in the skull's inner layer, allowing inflammatory cells to migrate directly to the brain surface.
A study defines mechanisms behind focused-ultrasound-assisted treatment of brain tumors, improving drug delivery across the blood-brain barrier and into abnormal tumor tissues. The approach enhances permeability of endothelial cells lining tumor blood vessels, increasing cellular uptake of anti-cancer drugs.
Research suggests that the amygdala is involved in a person's ability to attend to the whites of another person's widened eyes, crucial for social functioning. The amygdala does not directly compute fear but rather acts as a context-sensitive sentinel for learning threat and reward.
Researchers at Massachusetts General Hospital have developed a novel approach to deep supercooling, allowing water-based solutions to remain liquid at temperatures below 0°C. This technique, dubbed 'deep supercooling,' may enable safe preservation of blood cells, tissues, and organs for extended periods.
The study reveals how a fusion protein found in cancer cells enhances target gene expression by converting microsatellite repeats into active enhancers. Blocking this process prevents tumor growth.
A Massachusetts General Hospital research team has developed a system that incorporates neuroinflammation into their 'Alzheimer's in a dish' model, fully replicating the disease's pathology. The system includes neural cell death and glial cells that provide immune functions.
Researchers created a female mouse model with limited MECP2 gene expression, extending lifespan and reducing symptoms. The study suggests that partial reactivation of the inactive X chromosome may be therapeutic for Rett syndrome.
Patients taking ritonavir-boosted protease inhibitors may experience worsening heart failure and cardiovascular death compared to those on non-protease-inhibitor regimens. The study found a doubled risk of hospital readmission within 30 days and increased cardiovascular death within two years.
A Massachusetts-based study found that opioid overdose events decreased during pregnancy but increased in the postpartum period, particularly when fewer resources were available to mothers with substance use disorder. The research team developed a unique dataset linking statewide resources and found that women with opioid use disorder ...
A study found that amyloid beta protein in the brain traps and prevents herpes virus particles, protecting against infection. Chronic herpes infection may accelerate Alzheimer's progression by inducing overproduction of A-beta and causing inflammation.
Primary care physicians can play a crucial role in addressing the opioid overdose crisis by expanding access to medication-assisted treatment. Buprenorphine treatment has been shown to be effective in treating opioid use disorder, but its adoption is hindered by misconceptions and barriers. Expanding primary care buprenorphine treatmen...
Researchers found that increased in utero folic acid exposure was associated with changes in later brain development, predicting a reduced risk for symptoms of psychosis. These findings suggest that prenatal folic acid fortification may be an important intervention in preventing severe mental illnesses like schizophrenia.
A study by Massachusetts General Hospital investigators found that patients believed allergic to penicillin have significantly increased risks of contracting MRSA and C. difficile. The increased risk can be attributed to the use of broad-spectrum alternative antibiotics, which contribute to antibiotic resistance and virulent infections.
Long-term follow-up of BCG vaccine trial participants shows significant clinical benefits, including near-normal blood sugar levels, which persist for up to five years. The study reveals a novel metabolic mechanism that increases cellular glucose consumption, leading to improved insulin sensitivity.
A study of 829 adolescents found that both short sleep duration and poor sleep efficiency are associated with increased abdominal fat deposition and cardiometabolic risk. In contrast, longer sleep duration and higher efficiency were linked to reduced waist circumference, lower blood pressure, and improved HDL cholesterol levels.
A recent study published in Psychosomatic Medicine found that mindfulness meditation and relaxation response programs have unique effects on the brain. The mindfulness program improved self-compassion and rumination, while the relaxation response program strengthened coupling between neural regions associated with deliberate control.
Researchers identified Klf9 as a key factor mediating the detrimental effects of chronic stress on neuronal connectivity and fear responses. Silencing Klf9 expression protected mice from stress-induced changes in dendritic spines and behavior.
Researchers at Massachusetts General Hospital identify SMCHD1 as critical regulator of X chromosome inactivation, allowing genes to be suppressed. The study's findings have implications for treating diseases associated with misfolded chromatin and hold promise for reactivating the inactive X chromosome.
A study found that increasing omega-3 fatty acids in mothers during pregnancy and lactation reduced weight gain and metabolic disruptions in infant mice fed a high-fat diet. This suggests that a balanced ratio of omega-6/omega-3 fats is critical for reducing the lifetime risk of obesity in children.
A new study published in the Journal of General Internal Medicine found that even residents with no initial sleep problems experience significant deteriorating sleep quality and daytime alertness during residency. The study suggests that all residents are at risk, regardless of initial sleep status.
A study found that virtual follow-up visits for hypertension care had similar outcomes to in-person office visits, with no significant difference in blood pressure control or need for specialty visits. This innovation could expand access to primary care services while reducing healthcare utilization.
Researchers found that combined vascular risk factors and high brain amyloid levels predict faster cognitive decline in clinically normal older individuals. Vascular risk remained a strong predictor of cognitive decline even when controlling for other biomarkers.
Using MR spectroscopy imaging, researchers found that a novel IDH1 inhibitor reduced levels of the oncometabolite 2HG in patients with IDH1-mutated gliomas. The study showed a potential metabolic reprogramming of the tumor in response to treatment.
A new automated system has been developed to identify patients at risk for ventilator-associated pneumonia, outperforming traditional manual surveillance methods. The system uses an algorithm to analyze electronic health records and was found to be 100% accurate in detecting ventilator-associated events.
A study by Massachusetts General Hospital found that patients with chronic sciatica have elevated levels of a neuroinflammation marker in the spinal cord and nerve roots. The study suggests that blocking neuroinflammation may be a viable treatment option for these patients, particularly those who benefit from steroid injections.